diff -r 9afb44f030b6 -r 9d1d0fa8db02 misc/physfs/src/archiver_qpak.c --- a/misc/physfs/src/archiver_qpak.c Wed Feb 27 16:12:22 2013 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,119 +0,0 @@ -/* - * QPAK support routines for PhysicsFS. - * - * This archiver handles the archive format utilized by Quake 1 and 2. - * Quake3-based games use the PkZip/Info-Zip format (which our zip.c - * archiver handles). - * - * ======================================================================== - * - * This format info (in more detail) comes from: - * http://debian.fmi.uni-sofia.bg/~sergei/cgsr/docs/pak.txt - * - * Quake PAK Format - * - * Header - * (4 bytes) signature = 'PACK' - * (4 bytes) directory offset - * (4 bytes) directory length - * - * Directory - * (56 bytes) file name - * (4 bytes) file position - * (4 bytes) file length - * - * ======================================================================== - * - * Please see the file LICENSE.txt in the source's root directory. - * - * This file written by Ryan C. Gordon. - */ - -#define __PHYSICSFS_INTERNAL__ -#include "physfs_internal.h" - -#if PHYSFS_SUPPORTS_QPAK - -#define QPAK_SIG 0x4B434150 /* "PACK" in ASCII. */ - -static UNPKentry *qpakLoadEntries(PHYSFS_Io *io, PHYSFS_uint32 fileCount) -{ - UNPKentry *entries = NULL; - UNPKentry *entry = NULL; - - entries = (UNPKentry *) allocator.Malloc(sizeof (UNPKentry) * fileCount); - BAIL_IF_MACRO(entries == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL); - - for (entry = entries; fileCount > 0; fileCount--, entry++) - { - if (!__PHYSFS_readAll(io, &entry->name, 56)) goto failed; - if (!__PHYSFS_readAll(io, &entry->startPos, 4)) goto failed; - if (!__PHYSFS_readAll(io, &entry->size, 4)) goto failed; - entry->size = PHYSFS_swapULE32(entry->size); - entry->startPos = PHYSFS_swapULE32(entry->startPos); - } /* for */ - - return entries; - -failed: - allocator.Free(entries); - return NULL; -} /* qpakLoadEntries */ - - -static void *QPAK_openArchive(PHYSFS_Io *io, const char *name, int forWriting) -{ - UNPKentry *entries = NULL; - PHYSFS_uint32 val = 0; - PHYSFS_uint32 pos = 0; - PHYSFS_uint32 count = 0; - - assert(io != NULL); /* shouldn't ever happen. */ - - BAIL_IF_MACRO(forWriting, PHYSFS_ERR_READ_ONLY, NULL); - - BAIL_IF_MACRO(!__PHYSFS_readAll(io, &val, 4), ERRPASS, NULL); - if (PHYSFS_swapULE32(val) != QPAK_SIG) - BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, NULL); - - BAIL_IF_MACRO(!__PHYSFS_readAll(io, &val, 4), ERRPASS, NULL); - pos = PHYSFS_swapULE32(val); /* directory table offset. */ - - BAIL_IF_MACRO(!__PHYSFS_readAll(io, &val, 4), ERRPASS, NULL); - count = PHYSFS_swapULE32(val); - - /* corrupted archive? */ - BAIL_IF_MACRO((count % 64) != 0, PHYSFS_ERR_CORRUPT, NULL); - count /= 64; - - BAIL_IF_MACRO(!io->seek(io, pos), ERRPASS, NULL); - - entries = qpakLoadEntries(io, count); - BAIL_IF_MACRO(!entries, ERRPASS, NULL); - return UNPK_openArchive(io, entries, count); -} /* QPAK_openArchive */ - - -const PHYSFS_Archiver __PHYSFS_Archiver_QPAK = -{ - { - "PAK", - "Quake I/II format", - "Ryan C. Gordon ", - "http://icculus.org/physfs/", - }, - QPAK_openArchive, /* openArchive() method */ - UNPK_enumerateFiles, /* enumerateFiles() method */ - UNPK_openRead, /* openRead() method */ - UNPK_openWrite, /* openWrite() method */ - UNPK_openAppend, /* openAppend() method */ - UNPK_remove, /* remove() method */ - UNPK_mkdir, /* mkdir() method */ - UNPK_closeArchive, /* closeArchive() method */ - UNPK_stat /* stat() method */ -}; - -#endif /* defined PHYSFS_SUPPORTS_QPAK */ - -/* end of qpak.c ... */ -