misc/quazip/unzip.c
author belphegorr <szabibibi@gmail.com>
Sat, 21 Jul 2012 01:53:17 +0300
changeset 7259 b630df7ac843
parent 5752 ea95ee97c805
permissions -rw-r--r--
Added localization
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/* unzip.c -- IO for uncompress .zip files using zlib
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   Version 1.01e, February 12th, 2005
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   Copyright (C) 1998-2005 Gilles Vollant
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   Read unzip.h for more info
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   Modified by Sergey A. Tachenov to integrate with Qt.
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*/
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/* Decryption code comes from crypt.c by Info-ZIP but has been greatly reduced in terms of
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compatibility with older software. The following is from the original crypt.c. Code
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woven in by Terry Thorsen 1/2003.
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*/
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/*
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  Copyright (c) 1990-2000 Info-ZIP.  All rights reserved.
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  See the accompanying file LICENSE, version 2000-Apr-09 or later
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  (the contents of which are also included in zip.h) for terms of use.
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  If, for some reason, all these files are missing, the Info-ZIP license
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  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html
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*/
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/*
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  crypt.c (full version) by Info-ZIP.      Last revised:  [see crypt.h]
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  The encryption/decryption parts of this source code (as opposed to the
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  non-echoing password parts) were originally written in Europe.  The
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  whole source package can be freely distributed, including from the USA.
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  (Prior to January 2000, re-export from the US was a violation of US law.)
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 */
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/*
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  This encryption code is a direct transcription of the algorithm from
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  Roger Schlafly, described by Phil Katz in the file appnote.txt.  This
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  file (appnote.txt) is distributed with the PKZIP program (even in the
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  version without encryption capabilities).
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "zlib.h"
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#include "unzip.h"
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#ifdef STDC
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#  include <stddef.h>
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#  include <string.h>
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#  include <stdlib.h>
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#endif
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#ifdef NO_ERRNO_H
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    extern int errno;
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#else
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#   include <errno.h>
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#endif
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#ifndef local
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#  define local static
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#endif
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/* compile with -Dlocal if your debugger can't find static symbols */
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#ifndef CASESENSITIVITYDEFAULT_NO
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#  if !defined(unix) && !defined(CASESENSITIVITYDEFAULT_YES)
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#    define CASESENSITIVITYDEFAULT_NO
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#  endif
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#endif
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#ifndef UNZ_BUFSIZE
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#define UNZ_BUFSIZE (16384)
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#endif
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#ifndef UNZ_MAXFILENAMEINZIP
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#define UNZ_MAXFILENAMEINZIP (256)
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#endif
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#ifndef ALLOC
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# define ALLOC(size) (malloc(size))
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#endif
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#ifndef TRYFREE
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# define TRYFREE(p) {if (p) free(p);}
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#endif
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#define SIZECENTRALDIRITEM (0x2e)
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#define SIZEZIPLOCALHEADER (0x1e)
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const char unz_copyright[] =
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   " unzip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";
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/* unz_file_info_interntal contain internal info about a file in zipfile*/
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typedef struct unz_file_info_internal_s
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{
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    uLong offset_curfile;/* relative offset of local header 4 bytes */
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} unz_file_info_internal;
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/* file_in_zip_read_info_s contain internal information about a file in zipfile,
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    when reading and decompress it */
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typedef struct
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{
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    char  *read_buffer;         /* internal buffer for compressed data */
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    z_stream stream;            /* zLib stream structure for inflate */
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    uLong pos_in_zipfile;       /* position in byte on the zipfile, for fseek*/
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    uLong stream_initialised;   /* flag set if stream structure is initialised*/
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    uLong offset_local_extrafield;/* offset of the local extra field */
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    uInt  size_local_extrafield;/* size of the local extra field */
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    uLong pos_local_extrafield;   /* position in the local extra field in read*/
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    uLong crc32;                /* crc32 of all data uncompressed */
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    uLong crc32_wait;           /* crc32 we must obtain after decompress all */
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    uLong rest_read_compressed; /* number of byte to be decompressed */
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    uLong rest_read_uncompressed;/*number of byte to be obtained after decomp*/
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    zlib_filefunc_def z_filefunc;
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    voidpf filestream;        /* io structore of the zipfile */
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    uLong compression_method;   /* compression method (0==store) */
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    uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
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    int   raw;
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} file_in_zip_read_info_s;
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/* unz_s contain internal information about the zipfile
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*/
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typedef struct
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{
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    zlib_filefunc_def z_filefunc;
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    voidpf filestream;        /* io structore of the zipfile */
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    unz_global_info gi;       /* public global information */
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    uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
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    uLong num_file;             /* number of the current file in the zipfile*/
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    uLong pos_in_central_dir;   /* pos of the current file in the central dir*/
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    uLong current_file_ok;      /* flag about the usability of the current file*/
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    uLong central_pos;          /* position of the beginning of the central dir*/
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    uLong size_central_dir;     /* size of the central directory  */
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    uLong offset_central_dir;   /* offset of start of central directory with
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                                   respect to the starting disk number */
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    unz_file_info cur_file_info; /* public info about the current file in zip*/
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    unz_file_info_internal cur_file_info_internal; /* private info about it*/
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    file_in_zip_read_info_s* pfile_in_zip_read; /* structure about the current
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                                        file if we are decompressing it */
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    int encrypted;
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#    ifndef NOUNCRYPT
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    unsigned long keys[3];     /* keys defining the pseudo-random sequence */
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    const unsigned long* pcrc_32_tab;
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#    endif
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} unz_s;
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#ifndef NOUNCRYPT
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#include "crypt.h"
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#endif
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/* ===========================================================================
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     Read a byte from a gz_stream; update next_in and avail_in. Return EOF
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   for end of file.
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   IN assertion: the stream s has been sucessfully opened for reading.
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*/
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local int unzlocal_getByte OF((
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    const zlib_filefunc_def* pzlib_filefunc_def,
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    voidpf filestream,
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    int *pi));
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local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi)
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    const zlib_filefunc_def* pzlib_filefunc_def;
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    voidpf filestream;
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    int *pi;
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{
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    unsigned char c;
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    int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);
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    if (err==1)
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    {
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        *pi = (int)c;
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        return UNZ_OK;
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    }
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    else
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    {
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        if (ZERROR(*pzlib_filefunc_def,filestream))
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            return UNZ_ERRNO;
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        else
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            return UNZ_EOF;
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    }
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}
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/* ===========================================================================
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   Reads a long in LSB order from the given gz_stream. Sets
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*/
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local int unzlocal_getShort OF((
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    const zlib_filefunc_def* pzlib_filefunc_def,
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    voidpf filestream,
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    uLong *pX));
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local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX)
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    const zlib_filefunc_def* pzlib_filefunc_def;
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    voidpf filestream;
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    uLong *pX;
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{
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    uLong x ;
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    int i;
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    int err;
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    err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
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    x = (uLong)i;
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    if (err==UNZ_OK)
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        err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
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    x += ((uLong)i)<<8;
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    if (err==UNZ_OK)
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        *pX = x;
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    else
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        *pX = 0;
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    return err;
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}
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local int unzlocal_getLong OF((
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    const zlib_filefunc_def* pzlib_filefunc_def,
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    voidpf filestream,
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    uLong *pX));
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local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX)
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    const zlib_filefunc_def* pzlib_filefunc_def;
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    voidpf filestream;
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    uLong *pX;
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{
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    uLong x ;
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    int i;
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    int err;
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    err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
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    x = (uLong)i;
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    if (err==UNZ_OK)
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        err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
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    x += ((uLong)i)<<8;
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    if (err==UNZ_OK)
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        err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
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    x += ((uLong)i)<<16;
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    if (err==UNZ_OK)
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        err = unzlocal_getByte(pzlib_filefunc_def,filestream,&i);
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    x += ((uLong)i)<<24;
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    if (err==UNZ_OK)
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        *pX = x;
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    else
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        *pX = 0;
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    return err;
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}
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/* My own strcmpi / strcasecmp */
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local int strcmpcasenosensitive_internal (fileName1,fileName2)
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    const char* fileName1;
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    const char* fileName2;
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{
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    for (;;)
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    {
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        char c1=*(fileName1++);
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        char c2=*(fileName2++);
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        if ((c1>='a') && (c1<='z'))
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            c1 -= 0x20;
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        if ((c2>='a') && (c2<='z'))
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            c2 -= 0x20;
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        if (c1=='\0')
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            return ((c2=='\0') ? 0 : -1);
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        if (c2=='\0')
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            return 1;
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        if (c1<c2)
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            return -1;
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        if (c1>c2)
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            return 1;
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    }
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}
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#ifdef  CASESENSITIVITYDEFAULT_NO
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#define CASESENSITIVITYDEFAULTVALUE 2
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#else
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#define CASESENSITIVITYDEFAULTVALUE 1
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#endif
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#ifndef STRCMPCASENOSENTIVEFUNCTION
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#define STRCMPCASENOSENTIVEFUNCTION strcmpcasenosensitive_internal
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#endif
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/*
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   Compare two filename (fileName1,fileName2).
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   If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
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   If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
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                                                                or strcasecmp)
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   If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
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        (like 1 on Unix, 2 on Windows)
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*/
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extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity)
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    const char* fileName1;
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    const char* fileName2;
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    int iCaseSensitivity;
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{
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    if (iCaseSensitivity==0)
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        iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
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   314
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    if (iCaseSensitivity==1)
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        return strcmp(fileName1,fileName2);
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   317
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    return STRCMPCASENOSENTIVEFUNCTION(fileName1,fileName2);
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}
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#ifndef BUFREADCOMMENT
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#define BUFREADCOMMENT (0x400)
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#endif
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   324
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/*
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  Locate the Central directory of a zipfile (at the end, just before
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    the global comment)
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   328
*/
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   329
local uLong unzlocal_SearchCentralDir OF((
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   330
    const zlib_filefunc_def* pzlib_filefunc_def,
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    voidpf filestream));
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   332
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local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream)
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    const zlib_filefunc_def* pzlib_filefunc_def;
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    voidpf filestream;
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{
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    unsigned char* buf;
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    uLong uSizeFile;
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    uLong uBackRead;
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    uLong uMaxBack=0xffff; /* maximum size of global comment */
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    uLong uPosFound=0;
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   342
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    if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)
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        return 0;
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   345
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   346
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    uSizeFile = ZTELL(*pzlib_filefunc_def,filestream);
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   348
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    if (uMaxBack>uSizeFile)
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        uMaxBack = uSizeFile;
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   351
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    buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
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   353
    if (buf==NULL)
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   354
        return 0;
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   355
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    uBackRead = 4;
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   357
    while (uBackRead<uMaxBack)
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    {
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   359
        uLong uReadSize,uReadPos ;
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   360
        int i;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   361
        if (uBackRead+BUFREADCOMMENT>uMaxBack)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   362
            uBackRead = uMaxBack;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   363
        else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   364
            uBackRead+=BUFREADCOMMENT;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   365
        uReadPos = uSizeFile-uBackRead ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   366
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   367
        uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   368
                     (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   369
        if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   370
            break;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   371
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   372
        if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   373
            break;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   374
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   375
        for (i=(int)uReadSize-3; (i--)>0;)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   376
            if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   377
                ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   378
            {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   379
                uPosFound = uReadPos+i;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   380
                break;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   381
            }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   382
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   383
        if (uPosFound!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   384
            break;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   385
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   386
    TRYFREE(buf);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   387
    return uPosFound;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   388
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   389
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   390
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   391
  Open a Zip file. path contain the full pathname (by example,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   392
     on a Windows NT computer "c:\\test\\zlib114.zip" or on an Unix computer
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   393
     "zlib/zlib114.zip".
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   394
     If the zipfile cannot be opened (file doesn't exist or in not valid), the
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   395
       return value is NULL.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   396
     Else, the return value is a unzFile Handle, usable with other function
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   397
       of this unzip package.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   398
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   399
extern unzFile ZEXPORT unzOpen2 (file, pzlib_filefunc_def)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   400
    voidpf file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   401
    zlib_filefunc_def* pzlib_filefunc_def;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   402
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   403
    unz_s us;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   404
    unz_s *s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   405
    uLong central_pos,uL;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   406
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   407
    uLong number_disk;          /* number of the current dist, used for
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   408
                                   spaning ZIP, unsupported, always 0*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   409
    uLong number_disk_with_CD;  /* number the the disk with central dir, used
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   410
                                   for spaning ZIP, unsupported, always 0*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   411
    uLong number_entry_CD;      /* total number of entries in
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   412
                                   the central dir
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   413
                                   (same than number_entry on nospan) */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   414
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   415
    int err=UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   416
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   417
    if (unz_copyright[0]!=' ')
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   418
        return NULL;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   419
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   420
    if (pzlib_filefunc_def==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   421
        fill_qiodevice_filefunc(&us.z_filefunc);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   422
    else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   423
        us.z_filefunc = *pzlib_filefunc_def;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   424
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   425
    us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   426
                                                 file,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   427
                                                 ZLIB_FILEFUNC_MODE_READ |
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   428
                                                 ZLIB_FILEFUNC_MODE_EXISTING);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   429
    if (us.filestream==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   430
        return NULL;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   431
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   432
    central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   433
    if (central_pos==0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   434
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   435
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   436
    if (ZSEEK(us.z_filefunc, us.filestream,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   437
                                      central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   438
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   439
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   440
    /* the signature, already checked */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   441
    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   442
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   443
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   444
    /* number of this disk */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   445
    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   446
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   447
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   448
    /* number of the disk with the start of the central directory */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   449
    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   450
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   451
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   452
    /* total number of entries in the central dir on this disk */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   453
    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   454
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   455
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   456
    /* total number of entries in the central dir */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   457
    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   458
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   459
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   460
    if ((number_entry_CD!=us.gi.number_entry) ||
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   461
        (number_disk_with_CD!=0) ||
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   462
        (number_disk!=0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   463
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   464
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   465
    /* size of the central directory */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   466
    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   467
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   468
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   469
    /* offset of start of central directory with respect to the
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   470
          starting disk number */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   471
    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   472
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   473
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   474
    /* zipfile comment length */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   475
    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   476
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   477
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   478
    if ((central_pos<us.offset_central_dir+us.size_central_dir) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   479
        (err==UNZ_OK))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   480
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   481
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   482
    if (err!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   483
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   484
        ZCLOSE(us.z_filefunc, us.filestream);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   485
        return NULL;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   486
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   487
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   488
    us.byte_before_the_zipfile = central_pos -
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   489
                            (us.offset_central_dir+us.size_central_dir);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   490
    us.central_pos = central_pos;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   491
    us.pfile_in_zip_read = NULL;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   492
    us.encrypted = 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   493
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   494
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   495
    s=(unz_s*)ALLOC(sizeof(unz_s));
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   496
    *s=us;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   497
    unzGoToFirstFile((unzFile)s);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   498
    return (unzFile)s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   499
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   500
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   501
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   502
extern unzFile ZEXPORT unzOpen (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   503
    voidpf file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   504
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   505
    return unzOpen2(file, NULL);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   506
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   507
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   508
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   509
  Close a ZipFile opened with unzipOpen.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   510
  If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   511
    these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   512
  return UNZ_OK if there is no problem. */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   513
extern int ZEXPORT unzClose (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   514
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   515
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   516
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   517
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   518
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   519
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   520
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   521
    if (s->pfile_in_zip_read!=NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   522
        unzCloseCurrentFile(file);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   523
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   524
    ZCLOSE(s->z_filefunc, s->filestream);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   525
    TRYFREE(s);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   526
    return UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   527
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   528
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   529
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   530
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   531
  Write info about the ZipFile in the *pglobal_info structure.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   532
  No preparation of the structure is needed
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   533
  return UNZ_OK if there is no problem. */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   534
extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   535
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   536
    unz_global_info *pglobal_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   537
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   538
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   539
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   540
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   541
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   542
    *pglobal_info=s->gi;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   543
    return UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   544
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   545
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   546
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   547
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   548
   Translate date/time from Dos format to tm_unz (readable more easilty)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   549
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   550
local void unzlocal_DosDateToTmuDate (ulDosDate, ptm)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   551
    uLong ulDosDate;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   552
    tm_unz* ptm;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   553
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   554
    uLong uDate;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   555
    uDate = (uLong)(ulDosDate>>16);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   556
    ptm->tm_mday = (uInt)(uDate&0x1f) ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   557
    ptm->tm_mon =  (uInt)((((uDate)&0x1E0)/0x20)-1) ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   558
    ptm->tm_year = (uInt)(((uDate&0x0FE00)/0x0200)+1980) ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   559
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   560
    ptm->tm_hour = (uInt) ((ulDosDate &0xF800)/0x800);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   561
    ptm->tm_min =  (uInt) ((ulDosDate&0x7E0)/0x20) ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   562
    ptm->tm_sec =  (uInt) (2*(ulDosDate&0x1f)) ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   563
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   564
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   565
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   566
  Get Info about the current file in the zipfile, with internal only info
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   567
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   568
local int unzlocal_GetCurrentFileInfoInternal OF((unzFile file,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   569
                                                  unz_file_info *pfile_info,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   570
                                                  unz_file_info_internal
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   571
                                                  *pfile_info_internal,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   572
                                                  char *szFileName,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   573
                                                  uLong fileNameBufferSize,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   574
                                                  void *extraField,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   575
                                                  uLong extraFieldBufferSize,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   576
                                                  char *szComment,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   577
                                                  uLong commentBufferSize));
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   578
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   579
local int unzlocal_GetCurrentFileInfoInternal (file,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   580
                                              pfile_info,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   581
                                              pfile_info_internal,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   582
                                              szFileName, fileNameBufferSize,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   583
                                              extraField, extraFieldBufferSize,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   584
                                              szComment,  commentBufferSize)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   585
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   586
    unz_file_info *pfile_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   587
    unz_file_info_internal *pfile_info_internal;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   588
    char *szFileName;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   589
    uLong fileNameBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   590
    void *extraField;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   591
    uLong extraFieldBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   592
    char *szComment;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   593
    uLong commentBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   594
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   595
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   596
    unz_file_info file_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   597
    unz_file_info_internal file_info_internal;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   598
    int err=UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   599
    uLong uMagic;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   600
    uLong uSeek=0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   601
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   602
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   603
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   604
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   605
    if (ZSEEK(s->z_filefunc, s->filestream,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   606
              s->pos_in_central_dir+s->byte_before_the_zipfile,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   607
              ZLIB_FILEFUNC_SEEK_SET)!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   608
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   609
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   610
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   611
    /* we check the magic */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   612
    if (err==UNZ_OK) {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   613
        if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   614
            err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   615
        else if (uMagic!=0x02014b50)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   616
            err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   617
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   618
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   619
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   620
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   621
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   622
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version_needed) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   623
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   624
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   625
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.flag) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   626
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   627
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   628
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.compression_method) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   629
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   630
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   631
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.dosDate) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   632
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   633
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   634
    unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   635
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   636
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.crc) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   637
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   638
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   639
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   640
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   641
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   642
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   643
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   644
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   645
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_filename) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   646
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   647
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   648
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_extra) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   649
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   650
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   651
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.size_file_comment) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   652
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   653
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   654
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.disk_num_start) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   655
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   656
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   657
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.internal_fa) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   658
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   659
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   660
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info.external_fa) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   661
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   662
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   663
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   664
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   665
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   666
    uSeek+=file_info.size_filename;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   667
    if ((err==UNZ_OK) && (szFileName!=NULL))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   668
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   669
        uLong uSizeRead ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   670
        if (file_info.size_filename<fileNameBufferSize)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   671
        {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   672
            *(szFileName+file_info.size_filename)='\0';
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   673
            uSizeRead = file_info.size_filename;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   674
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   675
        else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   676
            uSizeRead = fileNameBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   677
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   678
        if ((file_info.size_filename>0) && (fileNameBufferSize>0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   679
            if (ZREAD(s->z_filefunc, s->filestream,szFileName,uSizeRead)!=uSizeRead)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   680
                err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   681
        uSeek -= uSizeRead;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   682
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   683
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   684
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   685
    if ((err==UNZ_OK) && (extraField!=NULL))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   686
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   687
        uLong uSizeRead ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   688
        if (file_info.size_file_extra<extraFieldBufferSize)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   689
            uSizeRead = file_info.size_file_extra;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   690
        else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   691
            uSizeRead = extraFieldBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   692
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   693
        if (uSeek!=0) {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   694
            if (ZSEEK(s->z_filefunc, s->filestream,uSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   695
                uSeek=0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   696
            else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   697
                err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   698
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   699
        if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   700
            if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   701
                err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   702
        uSeek += file_info.size_file_extra - uSizeRead;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   703
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   704
    else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   705
        uSeek+=file_info.size_file_extra;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   706
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   707
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   708
    if ((err==UNZ_OK) && (szComment!=NULL))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   709
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   710
        uLong uSizeRead ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   711
        if (file_info.size_file_comment<commentBufferSize)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   712
        {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   713
            *(szComment+file_info.size_file_comment)='\0';
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   714
            uSizeRead = file_info.size_file_comment;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   715
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   716
        else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   717
            uSizeRead = commentBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   718
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   719
        if (uSeek!=0) {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   720
            if (ZSEEK(s->z_filefunc, s->filestream,uSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   721
                uSeek=0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   722
            else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   723
                err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   724
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   725
        if ((file_info.size_file_comment>0) && (commentBufferSize>0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   726
            if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   727
                err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   728
        uSeek+=file_info.size_file_comment - uSizeRead;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   729
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   730
    else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   731
        uSeek+=file_info.size_file_comment;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   732
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   733
    if ((err==UNZ_OK) && (pfile_info!=NULL))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   734
        *pfile_info=file_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   735
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   736
    if ((err==UNZ_OK) && (pfile_info_internal!=NULL))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   737
        *pfile_info_internal=file_info_internal;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   738
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   739
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   740
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   741
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   742
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   743
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   744
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   745
  Write info about the ZipFile in the *pglobal_info structure.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   746
  No preparation of the structure is needed
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   747
  return UNZ_OK if there is no problem.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   748
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   749
extern int ZEXPORT unzGetCurrentFileInfo (file,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   750
                                          pfile_info,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   751
                                          szFileName, fileNameBufferSize,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   752
                                          extraField, extraFieldBufferSize,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   753
                                          szComment,  commentBufferSize)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   754
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   755
    unz_file_info *pfile_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   756
    char *szFileName;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   757
    uLong fileNameBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   758
    void *extraField;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   759
    uLong extraFieldBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   760
    char *szComment;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   761
    uLong commentBufferSize;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   762
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   763
    return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   764
                                                szFileName,fileNameBufferSize,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   765
                                                extraField,extraFieldBufferSize,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   766
                                                szComment,commentBufferSize);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   767
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   768
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   769
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   770
  Set the current file of the zipfile to the first file.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   771
  return UNZ_OK if there is no problem
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   772
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   773
extern int ZEXPORT unzGoToFirstFile (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   774
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   775
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   776
    int err=UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   777
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   778
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   779
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   780
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   781
    s->pos_in_central_dir=s->offset_central_dir;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   782
    s->num_file=0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   783
    err=unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   784
                                             &s->cur_file_info_internal,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   785
                                             NULL,0,NULL,0,NULL,0);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   786
    s->current_file_ok = (err == UNZ_OK);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   787
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   788
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   789
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   790
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   791
  Set the current file of the zipfile to the next file.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   792
  return UNZ_OK if there is no problem
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   793
  return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   794
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   795
extern int ZEXPORT unzGoToNextFile (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   796
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   797
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   798
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   799
    int err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   800
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   801
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   802
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   803
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   804
    if (!s->current_file_ok)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   805
        return UNZ_END_OF_LIST_OF_FILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   806
    if (s->gi.number_entry != 0xffff)    /* 2^16 files overflow hack */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   807
      if (s->num_file+1==s->gi.number_entry)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   808
        return UNZ_END_OF_LIST_OF_FILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   809
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   810
    s->pos_in_central_dir += SIZECENTRALDIRITEM + s->cur_file_info.size_filename +
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   811
            s->cur_file_info.size_file_extra + s->cur_file_info.size_file_comment ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   812
    s->num_file++;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   813
    err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   814
                                               &s->cur_file_info_internal,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   815
                                               NULL,0,NULL,0,NULL,0);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   816
    s->current_file_ok = (err == UNZ_OK);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   817
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   818
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   819
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   820
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   821
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   822
  Try locate the file szFileName in the zipfile.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   823
  For the iCaseSensitivity signification, see unzipStringFileNameCompare
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   824
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   825
  return value :
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   826
  UNZ_OK if the file is found. It becomes the current file.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   827
  UNZ_END_OF_LIST_OF_FILE if the file is not found
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   828
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   829
extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   830
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   831
    const char *szFileName;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   832
    int iCaseSensitivity;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   833
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   834
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   835
    int err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   836
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   837
    /* We remember the 'current' position in the file so that we can jump
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   838
     * back there if we fail.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   839
     */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   840
    unz_file_info cur_file_infoSaved;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   841
    unz_file_info_internal cur_file_info_internalSaved;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   842
    uLong num_fileSaved;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   843
    uLong pos_in_central_dirSaved;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   844
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   845
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   846
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   847
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   848
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   849
    if (strlen(szFileName)>=UNZ_MAXFILENAMEINZIP)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   850
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   851
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   852
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   853
    if (!s->current_file_ok)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   854
        return UNZ_END_OF_LIST_OF_FILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   855
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   856
    /* Save the current state */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   857
    num_fileSaved = s->num_file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   858
    pos_in_central_dirSaved = s->pos_in_central_dir;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   859
    cur_file_infoSaved = s->cur_file_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   860
    cur_file_info_internalSaved = s->cur_file_info_internal;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   861
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   862
    err = unzGoToFirstFile(file);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   863
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   864
    while (err == UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   865
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   866
        char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   867
        err = unzGetCurrentFileInfo(file,NULL,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   868
                                    szCurrentFileName,sizeof(szCurrentFileName)-1,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   869
                                    NULL,0,NULL,0);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   870
        if (err == UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   871
        {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   872
            if (unzStringFileNameCompare(szCurrentFileName,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   873
                                            szFileName,iCaseSensitivity)==0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   874
                return UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   875
            err = unzGoToNextFile(file);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   876
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   877
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   878
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   879
    /* We failed, so restore the state of the 'current file' to where we
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   880
     * were.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   881
     */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   882
    s->num_file = num_fileSaved ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   883
    s->pos_in_central_dir = pos_in_central_dirSaved ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   884
    s->cur_file_info = cur_file_infoSaved;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   885
    s->cur_file_info_internal = cur_file_info_internalSaved;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   886
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   887
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   888
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   889
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   890
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   891
///////////////////////////////////////////
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   892
// Contributed by Ryan Haksi (mailto://cryogen@infoserve.net)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   893
// I need random access
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   894
//
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   895
// Further optimization could be realized by adding an ability
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   896
// to cache the directory in memory. The goal being a single
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   897
// comprehensive file read to put the file I need in a memory.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   898
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   899
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   900
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   901
typedef struct unz_file_pos_s
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   902
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   903
    uLong pos_in_zip_directory;   // offset in file
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   904
    uLong num_of_file;            // # of file
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   905
} unz_file_pos;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   906
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   907
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   908
extern int ZEXPORT unzGetFilePos(file, file_pos)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   909
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   910
    unz_file_pos* file_pos;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   911
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   912
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   913
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   914
    if (file==NULL || file_pos==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   915
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   916
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   917
    if (!s->current_file_ok)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   918
        return UNZ_END_OF_LIST_OF_FILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   919
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   920
    file_pos->pos_in_zip_directory  = s->pos_in_central_dir;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   921
    file_pos->num_of_file           = s->num_file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   922
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   923
    return UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   924
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   925
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   926
extern int ZEXPORT unzGoToFilePos(file, file_pos)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   927
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   928
    unz_file_pos* file_pos;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   929
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   930
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   931
    int err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   932
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   933
    if (file==NULL || file_pos==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   934
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   935
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   936
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   937
    /* jump to the right spot */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   938
    s->pos_in_central_dir = file_pos->pos_in_zip_directory;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   939
    s->num_file           = file_pos->num_of_file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   940
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   941
    /* set the current file */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   942
    err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   943
                                               &s->cur_file_info_internal,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   944
                                               NULL,0,NULL,0,NULL,0);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   945
    /* return results */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   946
    s->current_file_ok = (err == UNZ_OK);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   947
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   948
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   949
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   950
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   951
// Unzip Helper Functions - should be here?
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   952
///////////////////////////////////////////
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   953
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   954
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   955
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   956
  Read the local header of the current zipfile
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   957
  Check the coherency of the local header and info in the end of central
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   958
        directory about this file
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   959
  store in *piSizeVar the size of extra info in local header
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   960
        (filename and size of extra field data)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   961
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   962
local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   963
                                                    poffset_local_extrafield,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   964
                                                    psize_local_extrafield)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   965
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   966
    uInt* piSizeVar;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   967
    uLong *poffset_local_extrafield;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   968
    uInt  *psize_local_extrafield;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   969
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   970
    uLong uMagic,uData,uFlags;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   971
    uLong size_filename;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   972
    uLong size_extra_field;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   973
    int err=UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   974
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   975
    *piSizeVar = 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   976
    *poffset_local_extrafield = 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   977
    *psize_local_extrafield = 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   978
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   979
    if (ZSEEK(s->z_filefunc, s->filestream,s->cur_file_info_internal.offset_curfile +
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   980
                                s->byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   981
        return UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   982
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   983
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   984
    if (err==UNZ_OK) {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   985
        if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   986
            err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   987
        else if (uMagic!=0x04034b50)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   988
            err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   989
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   990
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   991
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   992
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   993
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   994
    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   995
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   996
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   997
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uFlags) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   998
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   999
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1000
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1001
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1002
    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1003
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1004
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1005
    if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1006
                         (s->cur_file_info.compression_method!=Z_DEFLATED))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1007
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1008
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1009
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* date/time */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1010
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1011
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1012
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* crc */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1013
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1014
    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1015
                              ((uFlags & 8)==0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1016
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1017
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1018
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size compr */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1019
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1020
    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1021
                              ((uFlags & 8)==0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1022
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1023
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1024
    if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uData) != UNZ_OK) /* size uncompr */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1025
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1026
    else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1027
                              ((uFlags & 8)==0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1028
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1029
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1030
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1031
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_filename) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1032
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1033
    else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1034
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1035
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1036
    *piSizeVar += (uInt)size_filename;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1037
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1038
    if (unzlocal_getShort(&s->z_filefunc, s->filestream,&size_extra_field) != UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1039
        err=UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1040
    *poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1041
                                    SIZEZIPLOCALHEADER + size_filename;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1042
    *psize_local_extrafield = (uInt)size_extra_field;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1043
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1044
    *piSizeVar += (uInt)size_extra_field;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1045
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1046
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1047
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1048
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1049
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1050
  Open for reading data the current file in the zipfile.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1051
  If there is no error and the file is opened, the return value is UNZ_OK.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1052
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1053
extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1054
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1055
    int* method;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1056
    int* level;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1057
    int raw;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1058
    const char* password;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1059
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1060
    int err=UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1061
    uInt iSizeVar;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1062
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1063
    file_in_zip_read_info_s* pfile_in_zip_read_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1064
    uLong offset_local_extrafield;  /* offset of the local extra field */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1065
    uInt  size_local_extrafield;    /* size of the local extra field */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1066
#    ifndef NOUNCRYPT
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1067
    char source[12];
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1068
#    else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1069
    if (password != NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1070
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1071
#    endif
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1072
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1073
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1074
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1075
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1076
    if (!s->current_file_ok)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1077
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1078
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1079
    if (s->pfile_in_zip_read != NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1080
        unzCloseCurrentFile(file);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1081
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1082
    if (unzlocal_CheckCurrentFileCoherencyHeader(s,&iSizeVar,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1083
                &offset_local_extrafield,&size_local_extrafield)!=UNZ_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1084
        return UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1085
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1086
    pfile_in_zip_read_info = (file_in_zip_read_info_s*)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1087
                                        ALLOC(sizeof(file_in_zip_read_info_s));
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1088
    if (pfile_in_zip_read_info==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1089
        return UNZ_INTERNALERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1090
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1091
    pfile_in_zip_read_info->read_buffer=(char*)ALLOC(UNZ_BUFSIZE);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1092
    pfile_in_zip_read_info->offset_local_extrafield = offset_local_extrafield;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1093
    pfile_in_zip_read_info->size_local_extrafield = size_local_extrafield;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1094
    pfile_in_zip_read_info->pos_local_extrafield=0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1095
    pfile_in_zip_read_info->raw=raw;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1096
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1097
    if (pfile_in_zip_read_info->read_buffer==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1098
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1099
        TRYFREE(pfile_in_zip_read_info);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1100
        return UNZ_INTERNALERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1101
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1102
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1103
    pfile_in_zip_read_info->stream_initialised=0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1104
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1105
    if (method!=NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1106
        *method = (int)s->cur_file_info.compression_method;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1107
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1108
    if (level!=NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1109
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1110
        *level = 6;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1111
        switch (s->cur_file_info.flag & 0x06)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1112
        {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1113
          case 6 : *level = 1; break;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1114
          case 4 : *level = 2; break;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1115
          case 2 : *level = 9; break;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1116
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1117
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1118
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1119
    if ((s->cur_file_info.compression_method!=0) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1120
        (s->cur_file_info.compression_method!=Z_DEFLATED))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1121
        err=UNZ_BADZIPFILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1122
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1123
    pfile_in_zip_read_info->crc32_wait=s->cur_file_info.crc;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1124
    pfile_in_zip_read_info->crc32=0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1125
    pfile_in_zip_read_info->compression_method =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1126
            s->cur_file_info.compression_method;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1127
    pfile_in_zip_read_info->filestream=s->filestream;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1128
    pfile_in_zip_read_info->z_filefunc=s->z_filefunc;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1129
    pfile_in_zip_read_info->byte_before_the_zipfile=s->byte_before_the_zipfile;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1130
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1131
    pfile_in_zip_read_info->stream.total_out = 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1132
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1133
    if ((s->cur_file_info.compression_method==Z_DEFLATED) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1134
        (!raw))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1135
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1136
      pfile_in_zip_read_info->stream.zalloc = (alloc_func)0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1137
      pfile_in_zip_read_info->stream.zfree = (free_func)0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1138
      pfile_in_zip_read_info->stream.opaque = (voidpf)0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1139
      pfile_in_zip_read_info->stream.next_in = (voidpf)0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1140
      pfile_in_zip_read_info->stream.avail_in = 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1141
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1142
      err=inflateInit2(&pfile_in_zip_read_info->stream, -MAX_WBITS);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1143
      if (err == Z_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1144
        pfile_in_zip_read_info->stream_initialised=1;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1145
      else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1146
      {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1147
        TRYFREE(pfile_in_zip_read_info);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1148
        return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1149
      }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1150
        /* windowBits is passed < 0 to tell that there is no zlib header.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1151
         * Note that in this case inflate *requires* an extra "dummy" byte
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1152
         * after the compressed stream in order to complete decompression and
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1153
         * return Z_STREAM_END.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1154
         * In unzip, i don't wait absolutely Z_STREAM_END because I known the
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1155
         * size of both compressed and uncompressed data
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1156
         */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1157
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1158
    pfile_in_zip_read_info->rest_read_compressed =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1159
            s->cur_file_info.compressed_size ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1160
    pfile_in_zip_read_info->rest_read_uncompressed =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1161
            s->cur_file_info.uncompressed_size ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1162
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1163
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1164
    pfile_in_zip_read_info->pos_in_zipfile =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1165
            s->cur_file_info_internal.offset_curfile + SIZEZIPLOCALHEADER +
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1166
              iSizeVar;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1167
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1168
    pfile_in_zip_read_info->stream.avail_in = (uInt)0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1169
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1170
    s->pfile_in_zip_read = pfile_in_zip_read_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1171
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1172
#    ifndef NOUNCRYPT
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1173
    if (password != NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1174
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1175
        int i;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1176
        s->pcrc_32_tab = get_crc_table();
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1177
        init_keys(password,s->keys,s->pcrc_32_tab);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1178
        if (ZSEEK(s->z_filefunc, s->filestream,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1179
                  s->pfile_in_zip_read->pos_in_zipfile +
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1180
                     s->pfile_in_zip_read->byte_before_the_zipfile,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1181
                  SEEK_SET)!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1182
            return UNZ_INTERNALERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1183
        if(ZREAD(s->z_filefunc, s->filestream,source, 12)<12)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1184
            return UNZ_INTERNALERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1185
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1186
        for (i = 0; i<12; i++)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1187
            zdecode(s->keys,s->pcrc_32_tab,source[i]);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1188
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1189
        s->pfile_in_zip_read->pos_in_zipfile+=12;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1190
        s->encrypted=1;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1191
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1192
#    endif
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1193
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1194
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1195
    return UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1196
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1197
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1198
extern int ZEXPORT unzOpenCurrentFile (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1199
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1200
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1201
    return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1202
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1203
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1204
extern int ZEXPORT unzOpenCurrentFilePassword (file, password)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1205
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1206
    const char* password;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1207
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1208
    return unzOpenCurrentFile3(file, NULL, NULL, 0, password);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1209
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1210
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1211
extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1212
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1213
    int* method;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1214
    int* level;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1215
    int raw;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1216
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1217
    return unzOpenCurrentFile3(file, method, level, raw, NULL);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1218
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1219
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1220
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1221
  Read bytes from the current file.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1222
  buf contain buffer where data must be copied
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1223
  len the size of buf.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1224
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1225
  return the number of byte copied if somes bytes are copied
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1226
  return 0 if the end of file was reached
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1227
  return <0 with error code if there is an error
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1228
    (UNZ_ERRNO for IO error, or zLib error for uncompress error)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1229
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1230
extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1231
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1232
    voidp buf;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1233
    unsigned len;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1234
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1235
    int err=UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1236
    uInt iRead = 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1237
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1238
    file_in_zip_read_info_s* pfile_in_zip_read_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1239
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1240
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1241
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1242
    pfile_in_zip_read_info=s->pfile_in_zip_read;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1243
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1244
    if (pfile_in_zip_read_info==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1245
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1246
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1247
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1248
    if ((pfile_in_zip_read_info->read_buffer == NULL))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1249
        return UNZ_END_OF_LIST_OF_FILE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1250
    if (len==0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1251
        return 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1252
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1253
    pfile_in_zip_read_info->stream.next_out = (Bytef*)buf;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1254
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1255
    pfile_in_zip_read_info->stream.avail_out = (uInt)len;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1256
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1257
    if ((len>pfile_in_zip_read_info->rest_read_uncompressed) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1258
        (!(pfile_in_zip_read_info->raw)))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1259
        pfile_in_zip_read_info->stream.avail_out =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1260
            (uInt)pfile_in_zip_read_info->rest_read_uncompressed;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1261
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1262
    if ((len>pfile_in_zip_read_info->rest_read_compressed+
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1263
           pfile_in_zip_read_info->stream.avail_in) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1264
         (pfile_in_zip_read_info->raw))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1265
        pfile_in_zip_read_info->stream.avail_out =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1266
            (uInt)pfile_in_zip_read_info->rest_read_compressed+
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1267
            pfile_in_zip_read_info->stream.avail_in;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1268
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1269
    while (pfile_in_zip_read_info->stream.avail_out>0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1270
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1271
        if ((pfile_in_zip_read_info->stream.avail_in==0) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1272
            (pfile_in_zip_read_info->rest_read_compressed>0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1273
        {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1274
            uInt uReadThis = UNZ_BUFSIZE;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1275
            if (pfile_in_zip_read_info->rest_read_compressed<uReadThis)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1276
                uReadThis = (uInt)pfile_in_zip_read_info->rest_read_compressed;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1277
            if (uReadThis == 0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1278
                return UNZ_EOF;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1279
            if (ZSEEK(pfile_in_zip_read_info->z_filefunc,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1280
                      pfile_in_zip_read_info->filestream,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1281
                      pfile_in_zip_read_info->pos_in_zipfile +
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1282
                         pfile_in_zip_read_info->byte_before_the_zipfile,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1283
                         ZLIB_FILEFUNC_SEEK_SET)!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1284
                return UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1285
            if (ZREAD(pfile_in_zip_read_info->z_filefunc,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1286
                      pfile_in_zip_read_info->filestream,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1287
                      pfile_in_zip_read_info->read_buffer,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1288
                      uReadThis)!=uReadThis)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1289
                return UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1290
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1291
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1292
#            ifndef NOUNCRYPT
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1293
            if(s->encrypted)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1294
            {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1295
                uInt i;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1296
                for(i=0;i<uReadThis;i++)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1297
                  pfile_in_zip_read_info->read_buffer[i] =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1298
                      zdecode(s->keys,s->pcrc_32_tab,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1299
                              pfile_in_zip_read_info->read_buffer[i]);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1300
            }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1301
#            endif
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1302
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1303
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1304
            pfile_in_zip_read_info->pos_in_zipfile += uReadThis;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1305
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1306
            pfile_in_zip_read_info->rest_read_compressed-=uReadThis;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1307
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1308
            pfile_in_zip_read_info->stream.next_in =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1309
                (Bytef*)pfile_in_zip_read_info->read_buffer;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1310
            pfile_in_zip_read_info->stream.avail_in = (uInt)uReadThis;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1311
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1312
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1313
        if ((pfile_in_zip_read_info->compression_method==0) || (pfile_in_zip_read_info->raw))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1314
        {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1315
            uInt uDoCopy,i ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1316
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1317
            if ((pfile_in_zip_read_info->stream.avail_in == 0) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1318
                (pfile_in_zip_read_info->rest_read_compressed == 0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1319
                return (iRead==0) ? UNZ_EOF : iRead;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1320
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1321
            if (pfile_in_zip_read_info->stream.avail_out <
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1322
                            pfile_in_zip_read_info->stream.avail_in)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1323
                uDoCopy = pfile_in_zip_read_info->stream.avail_out ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1324
            else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1325
                uDoCopy = pfile_in_zip_read_info->stream.avail_in ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1326
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1327
            for (i=0;i<uDoCopy;i++)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1328
                *(pfile_in_zip_read_info->stream.next_out+i) =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1329
                        *(pfile_in_zip_read_info->stream.next_in+i);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1330
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1331
            pfile_in_zip_read_info->crc32 = crc32(pfile_in_zip_read_info->crc32,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1332
                                pfile_in_zip_read_info->stream.next_out,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1333
                                uDoCopy);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1334
            pfile_in_zip_read_info->rest_read_uncompressed-=uDoCopy;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1335
            pfile_in_zip_read_info->stream.avail_in -= uDoCopy;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1336
            pfile_in_zip_read_info->stream.avail_out -= uDoCopy;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1337
            pfile_in_zip_read_info->stream.next_out += uDoCopy;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1338
            pfile_in_zip_read_info->stream.next_in += uDoCopy;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1339
            pfile_in_zip_read_info->stream.total_out += uDoCopy;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1340
            iRead += uDoCopy;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1341
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1342
        else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1343
        {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1344
            uLong uTotalOutBefore,uTotalOutAfter;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1345
            const Bytef *bufBefore;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1346
            uLong uOutThis;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1347
            int flush=Z_SYNC_FLUSH;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1348
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1349
            uTotalOutBefore = pfile_in_zip_read_info->stream.total_out;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1350
            bufBefore = pfile_in_zip_read_info->stream.next_out;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1351
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1352
            /*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1353
            if ((pfile_in_zip_read_info->rest_read_uncompressed ==
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1354
                     pfile_in_zip_read_info->stream.avail_out) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1355
                (pfile_in_zip_read_info->rest_read_compressed == 0))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1356
                flush = Z_FINISH;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1357
            */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1358
            err=inflate(&pfile_in_zip_read_info->stream,flush);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1359
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1360
            if ((err>=0) && (pfile_in_zip_read_info->stream.msg!=NULL))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1361
              err = Z_DATA_ERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1362
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1363
            uTotalOutAfter = pfile_in_zip_read_info->stream.total_out;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1364
            uOutThis = uTotalOutAfter-uTotalOutBefore;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1365
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1366
            pfile_in_zip_read_info->crc32 =
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1367
                crc32(pfile_in_zip_read_info->crc32,bufBefore,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1368
                        (uInt)(uOutThis));
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1369
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1370
            pfile_in_zip_read_info->rest_read_uncompressed -=
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1371
                uOutThis;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1372
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1373
            iRead += (uInt)(uTotalOutAfter - uTotalOutBefore);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1374
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1375
            if (err==Z_STREAM_END)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1376
                return (iRead==0) ? UNZ_EOF : iRead;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1377
            if (err!=Z_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1378
                break;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1379
        }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1380
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1381
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1382
    if (err==Z_OK)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1383
        return iRead;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1384
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1385
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1386
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1387
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1388
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1389
  Give the current position in uncompressed data
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1390
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1391
extern z_off_t ZEXPORT unztell (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1392
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1393
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1394
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1395
    file_in_zip_read_info_s* pfile_in_zip_read_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1396
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1397
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1398
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1399
    pfile_in_zip_read_info=s->pfile_in_zip_read;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1400
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1401
    if (pfile_in_zip_read_info==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1402
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1403
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1404
    return (z_off_t)pfile_in_zip_read_info->stream.total_out;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1405
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1406
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1407
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1408
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1409
  return 1 if the end of file was reached, 0 elsewhere
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1410
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1411
extern int ZEXPORT unzeof (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1412
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1413
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1414
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1415
    file_in_zip_read_info_s* pfile_in_zip_read_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1416
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1417
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1418
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1419
    pfile_in_zip_read_info=s->pfile_in_zip_read;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1420
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1421
    if (pfile_in_zip_read_info==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1422
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1423
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1424
    if (pfile_in_zip_read_info->rest_read_uncompressed == 0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1425
        return 1;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1426
    else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1427
        return 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1428
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1429
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1430
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1431
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1432
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1433
  Read extra field from the current file (opened by unzOpenCurrentFile)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1434
  This is the local-header version of the extra field (sometimes, there is
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1435
    more info in the local-header version than in the central-header)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1436
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1437
  if buf==NULL, it return the size of the local extra field that can be read
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1438
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1439
  if buf!=NULL, len is the size of the buffer, the extra header is copied in
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1440
    buf.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1441
  the return value is the number of bytes copied in buf, or (if <0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1442
    the error code
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1443
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1444
extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1445
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1446
    voidp buf;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1447
    unsigned len;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1448
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1449
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1450
    file_in_zip_read_info_s* pfile_in_zip_read_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1451
    uInt read_now;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1452
    uLong size_to_read;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1453
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1454
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1455
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1456
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1457
    pfile_in_zip_read_info=s->pfile_in_zip_read;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1458
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1459
    if (pfile_in_zip_read_info==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1460
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1461
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1462
    size_to_read = (pfile_in_zip_read_info->size_local_extrafield -
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1463
                pfile_in_zip_read_info->pos_local_extrafield);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1464
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1465
    if (buf==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1466
        return (int)size_to_read;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1467
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1468
    if (len>size_to_read)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1469
        read_now = (uInt)size_to_read;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1470
    else
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1471
        read_now = (uInt)len ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1472
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1473
    if (read_now==0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1474
        return 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1475
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1476
    if (ZSEEK(pfile_in_zip_read_info->z_filefunc,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1477
              pfile_in_zip_read_info->filestream,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1478
              pfile_in_zip_read_info->offset_local_extrafield +
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1479
              pfile_in_zip_read_info->pos_local_extrafield,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1480
              ZLIB_FILEFUNC_SEEK_SET)!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1481
        return UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1482
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1483
    if (ZREAD(pfile_in_zip_read_info->z_filefunc,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1484
              pfile_in_zip_read_info->filestream,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1485
              buf,read_now)!=read_now)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1486
        return UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1487
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1488
    return (int)read_now;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1489
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1490
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1491
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1492
  Close the file in zip opened with unzipOpenCurrentFile
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1493
  Return UNZ_CRCERROR if all the file was read but the CRC is not good
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1494
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1495
extern int ZEXPORT unzCloseCurrentFile (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1496
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1497
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1498
    int err=UNZ_OK;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1499
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1500
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1501
    file_in_zip_read_info_s* pfile_in_zip_read_info;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1502
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1503
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1504
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1505
    pfile_in_zip_read_info=s->pfile_in_zip_read;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1506
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1507
    if (pfile_in_zip_read_info==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1508
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1509
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1510
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1511
    if ((pfile_in_zip_read_info->rest_read_uncompressed == 0) &&
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1512
        (!pfile_in_zip_read_info->raw))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1513
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1514
        if (pfile_in_zip_read_info->crc32 != pfile_in_zip_read_info->crc32_wait)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1515
            err=UNZ_CRCERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1516
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1517
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1518
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1519
    TRYFREE(pfile_in_zip_read_info->read_buffer);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1520
    pfile_in_zip_read_info->read_buffer = NULL;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1521
    if (pfile_in_zip_read_info->stream_initialised)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1522
        inflateEnd(&pfile_in_zip_read_info->stream);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1523
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1524
    pfile_in_zip_read_info->stream_initialised = 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1525
    TRYFREE(pfile_in_zip_read_info);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1526
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1527
    s->pfile_in_zip_read=NULL;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1528
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1529
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1530
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1531
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1532
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1533
/*
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1534
  Get the global comment string of the ZipFile, in the szComment buffer.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1535
  uSizeBuf is the size of the szComment buffer.
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1536
  return the number of byte copied or an error code <0
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1537
*/
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1538
extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1539
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1540
    char *szComment;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1541
    uLong uSizeBuf;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1542
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1543
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1544
    uLong uReadThis ;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1545
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1546
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1547
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1548
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1549
    uReadThis = uSizeBuf;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1550
    if (uReadThis>s->gi.size_comment)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1551
        uReadThis = s->gi.size_comment;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1552
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1553
    if (ZSEEK(s->z_filefunc,s->filestream,s->central_pos+22,ZLIB_FILEFUNC_SEEK_SET)!=0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1554
        return UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1555
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1556
    if (uReadThis>0)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1557
    {
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1558
      *szComment='\0';
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1559
      if (ZREAD(s->z_filefunc,s->filestream,szComment,uReadThis)!=uReadThis)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1560
        return UNZ_ERRNO;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1561
    }
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1562
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1563
    if ((szComment != NULL) && (uSizeBuf > s->gi.size_comment))
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1564
        *(szComment+s->gi.size_comment)='\0';
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1565
    return (int)uReadThis;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1566
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1567
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1568
/* Additions by RX '2004 */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1569
extern uLong ZEXPORT unzGetOffset (file)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1570
    unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1571
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1572
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1573
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1574
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1575
          return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1576
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1577
    if (!s->current_file_ok)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1578
      return 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1579
    if (s->gi.number_entry != 0 && s->gi.number_entry != 0xffff)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1580
      if (s->num_file==s->gi.number_entry)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1581
         return 0;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1582
    return s->pos_in_central_dir;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1583
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1584
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1585
extern int ZEXPORT unzSetOffset (file, pos)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1586
        unzFile file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1587
        uLong pos;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1588
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1589
    unz_s* s;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1590
    int err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1591
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1592
    if (file==NULL)
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1593
        return UNZ_PARAMERROR;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1594
    s=(unz_s*)file;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1595
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1596
    s->pos_in_central_dir = pos;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1597
    s->num_file = s->gi.number_entry;      /* hack */
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1598
    err = unzlocal_GetCurrentFileInfoInternal(file,&s->cur_file_info,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1599
                                              &s->cur_file_info_internal,
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1600
                                              NULL,0,NULL,0,NULL,0);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1601
    s->current_file_ok = (err == UNZ_OK);
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1602
    return err;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
  1603
}