misc/physfs/src/archiver_iso9660.c
author unc0rr
Sat, 20 Oct 2012 00:20:39 +0400
branchphysfslayer
changeset 7768 13e2037ebc79
permissions -rw-r--r--
Try using PhysicsFS. First step: break frontend.
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/*
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 * ISO9660 support routines for PhysicsFS.
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 *
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 * Please see the file LICENSE.txt in the source's root directory.
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 *
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 *  This file written by Christoph Nelles.
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 */
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/* !!! FIXME: this file needs Ryanification. */
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/*
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 * Handles CD-ROM disk images (and raw CD-ROM devices).
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 *
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 * Not supported:
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 * - RockRidge
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 * - Non 2048 Sectors
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 * - UDF
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 *
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 * Deviations from the standard
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 * - Ignores mandatory sort order
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 * - Allows various invalid file names
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 *
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 * Problems
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 * - Ambiguities in the standard
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 */
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#define __PHYSICSFS_INTERNAL__
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#include "physfs_internal.h"
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#if PHYSFS_SUPPORTS_ISO9660
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#include <time.h>
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/* cache files smaller than this completely in memory */
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#define ISO9660_FULLCACHEMAXSIZE 2048
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/* !!! FIXME: this is going to cause trouble. */
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#pragma pack(push)  /* push current alignment to stack */
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#pragma pack(1)     /* set alignment to 1 byte boundary */
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/* This is the format as defined by the standard
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typedef struct
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{
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    PHYSFS_uint32 lsb;
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    PHYSFS_uint32 msb;
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} ISOBB32bit; // 32byte Both Byte type, means the value first in LSB then in MSB
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typedef struct
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{
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    PHYSFS_uint16 lsb;
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    PHYSFS_uint16 msb;
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} ISOBB16bit; // 16byte Both Byte type, means the value first in LSB then in MSB
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*/
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/* define better ones to simplify coding (less if's) */
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#if PHYSFS_BYTEORDER == PHYSFS_LIL_ENDIAN
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#define ISOBB32bit(name) PHYSFS_uint32 name; PHYSFS_uint32 __dummy_##name;
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#define ISOBB16bit(name) PHYSFS_uint16 name; PHYSFS_uint16 __dummy_##name;
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#else
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#define ISOBB32bit(name) PHYSFS_uint32 __dummy_##name; PHYSFS_uint32 name;
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#define ISOBB16bit(name) PHYSFS_uint16 __dummy_##name; PHYSFS_uint16 name;
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#endif
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typedef struct
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{
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    char year[4];
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    char month[2];
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    char day[2];
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    char hour[2];
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    char minute[2];
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    char second[2];
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    char centisec[2];
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    PHYSFS_sint8 offset; /* in 15min from GMT */
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} ISO9660VolumeTimestamp;
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typedef struct
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{
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    PHYSFS_uint8 year;
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    PHYSFS_uint8 month;
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    PHYSFS_uint8 day;
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    PHYSFS_uint8 hour;
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    PHYSFS_uint8 minute;
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    PHYSFS_uint8 second;
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    PHYSFS_sint8 offset;
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} ISO9660FileTimestamp;
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typedef struct
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{
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  unsigned existence:1;
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  unsigned directory:1;
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  unsigned associated_file:1;
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  unsigned record:1;
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  unsigned protection:1;
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  unsigned reserved:2;
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  unsigned multiextent:1;
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} ISO9660FileFlags;
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typedef struct
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{
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    PHYSFS_uint8 length;
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    PHYSFS_uint8 attribute_length;
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    ISOBB32bit(extent_location)
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    ISOBB32bit(data_length)
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    ISO9660FileTimestamp timestamp;
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    ISO9660FileFlags file_flags;
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    PHYSFS_uint8 file_unit_size;
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    PHYSFS_uint8 gap_size;
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    ISOBB16bit(vol_seq_no)
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    PHYSFS_uint8 len_fi;
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    char unused;
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} ISO9660RootDirectoryRecord;
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/* this structure is combined for all Volume descriptor types */
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typedef struct
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{
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    PHYSFS_uint8 type;
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    char identifier[5];
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    PHYSFS_uint8 version;
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    PHYSFS_uint8 flags;
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    char system_identifier[32];
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    char volume_identifier[32];
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    char unused2[8];
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    ISOBB32bit(space_size)
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    PHYSFS_uint8 escape_sequences[32];
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    ISOBB16bit(vol_set_size)
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    ISOBB16bit(vol_seq_no)
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    ISOBB16bit(block_size)
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    ISOBB32bit(path_table_size)
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/*    PHYSFS_uint32 path_table_start_lsb; // why didn't they use both byte type?
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    PHYSFS_uint32 opt_path_table_start_lsb;
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    PHYSFS_uint32 path_table_start_msb;
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    PHYSFS_uint32 opt_path_table_start_msb;*/
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#if PHYSFS_BYTEORDER == PHYSFS_LIL_ENDIAN
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    PHYSFS_uint32 path_table_start;
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    PHYSFS_uint32 opt_path_table_start;
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    PHYSFS_uint32 unused6;
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    PHYSFS_uint32 unused7;
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#else
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    PHYSFS_uint32 unused6;
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    PHYSFS_uint32 unused7;
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    PHYSFS_uint32 path_table_start;
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    PHYSFS_uint32 opt_path_table_start;
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#endif
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    ISO9660RootDirectoryRecord rootdirectory;
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    char set_identifier[128];
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    char publisher_identifier[128];
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    char preparer_identifer[128];
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    char application_identifier[128];
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    char copyright_file_identifier[37];
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    char abstract_file_identifier[37];
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    char bibliographic_file_identifier[37];
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    ISO9660VolumeTimestamp creation_timestamp;
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    ISO9660VolumeTimestamp modification_timestamp;
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    ISO9660VolumeTimestamp expiration_timestamp;
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    ISO9660VolumeTimestamp effective_timestamp;
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    PHYSFS_uint8 file_structure_version;
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    char unused4;
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    char application_use[512];
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    char unused5[653];
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} ISO9660VolumeDescriptor;
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typedef struct
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{
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    PHYSFS_uint8 recordlen;
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    PHYSFS_uint8 extattributelen;
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    ISOBB32bit(extentpos)
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    ISOBB32bit(datalen)
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    ISO9660FileTimestamp recordtime;
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    ISO9660FileFlags flags;
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    PHYSFS_uint8 file_unit_size;
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    PHYSFS_uint8 interleave_gap;
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    ISOBB16bit(volseqno)
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    PHYSFS_uint8 filenamelen;
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    char filename[222]; /* This is not exact, but makes reading easier */
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} ISO9660FileDescriptor;
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typedef struct
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{
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    ISOBB16bit(owner)
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    ISOBB16bit(group)
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    PHYSFS_uint16 flags; /* not implemented*/
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    ISO9660VolumeTimestamp create_time; /* yes, not file timestamp */
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    ISO9660VolumeTimestamp mod_time;
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    ISO9660VolumeTimestamp expire_time;
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    ISO9660VolumeTimestamp effective_time;
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    PHYSFS_uint8 record_format;
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    PHYSFS_uint8 record_attributes;
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    ISOBB16bit(record_len)
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    char system_identifier[32];
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    char system_use[64];
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    PHYSFS_uint8 version;
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    ISOBB16bit(escape_len)
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unc0rr
parents:
diff changeset
   193
    char reserved[64];
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unc0rr
parents:
diff changeset
   194
    /** further fields not implemented */
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unc0rr
parents:
diff changeset
   195
} ISO9660ExtAttributeRec;
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unc0rr
parents:
diff changeset
   196
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unc0rr
parents:
diff changeset
   197
#pragma pack(pop)   /* restore original alignment from stack */
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unc0rr
parents:
diff changeset
   198
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unc0rr
parents:
diff changeset
   199
typedef struct
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parents:
diff changeset
   200
{
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unc0rr
parents:
diff changeset
   201
    PHYSFS_Io *io;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   202
    PHYSFS_uint32 rootdirstart;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   203
    PHYSFS_uint32 rootdirsize;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   204
    PHYSFS_uint64 currpos;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   205
    int isjoliet;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   206
    char *path;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   207
    void *mutex;
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unc0rr
parents:
diff changeset
   208
} ISO9660Handle;
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unc0rr
parents:
diff changeset
   209
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   210
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   211
typedef struct __ISO9660FileHandle
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parents:
diff changeset
   212
{
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parents:
diff changeset
   213
    PHYSFS_sint64 filesize;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   214
    PHYSFS_uint64 currpos;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   215
    PHYSFS_uint64 startblock;
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unc0rr
parents:
diff changeset
   216
    ISO9660Handle *isohandle;
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unc0rr
parents:
diff changeset
   217
    PHYSFS_uint32 (*read) (struct __ISO9660FileHandle *filehandle, void *buffer,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   218
            PHYSFS_uint64 len);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   219
    int (*seek)(struct __ISO9660FileHandle *filehandle,  PHYSFS_sint64 offset);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   220
    void (*close)(struct __ISO9660FileHandle *filehandle);
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unc0rr
parents:
diff changeset
   221
    /* !!! FIXME: anonymouse union is going to cause problems. */
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unc0rr
parents:
diff changeset
   222
    union
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   223
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   224
        /* !!! FIXME: just use a memory PHYSFS_Io here, unify all this code. */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   225
        char *cacheddata; /* data of file when cached */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   226
        PHYSFS_Io *io; /* handle to separate opened file */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   227
    };
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   228
} ISO9660FileHandle;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   229
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   230
/*******************************************************************************
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unc0rr
parents:
diff changeset
   231
 * Time conversion functions
13e2037ebc79 Try using PhysicsFS.
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parents:
diff changeset
   232
 ******************************************************************************/
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unc0rr
parents:
diff changeset
   233
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   234
static PHYSFS_sint64 iso_mktime(ISO9660FileTimestamp *timestamp)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   235
{
13e2037ebc79 Try using PhysicsFS.
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parents:
diff changeset
   236
    struct tm tm;
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parents:
diff changeset
   237
    tm.tm_year = timestamp->year;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   238
    tm.tm_mon = timestamp->month - 1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   239
    tm.tm_mday = timestamp->day;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   240
    tm.tm_hour = timestamp->hour;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   241
    tm.tm_min = timestamp->minute;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   242
    tm.tm_sec = timestamp->second;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   243
    /* Ignore GMT offset for now... */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   244
    return mktime(&tm);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   245
} /* iso_mktime */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   246
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   247
static int iso_atoi2(char *text)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   248
{
13e2037ebc79 Try using PhysicsFS.
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parents:
diff changeset
   249
    return ((text[0] - 40) * 10) + (text[1] - 40);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   250
} /* iso_atoi2 */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   251
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   252
static int iso_atoi4(char *text)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   253
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   254
    return ((text[0] - 40) * 1000) + ((text[1] - 40) * 100) +
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   255
           ((text[2] - 40) * 10) + (text[3] - 40);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   256
} /* iso_atoi4 */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   257
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   258
static PHYSFS_sint64 iso_volume_mktime(ISO9660VolumeTimestamp *timestamp)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   259
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   260
    struct tm tm;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   261
    tm.tm_year = iso_atoi4(timestamp->year);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   262
    tm.tm_mon = iso_atoi2(timestamp->month) - 1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   263
    tm.tm_mday = iso_atoi2(timestamp->day);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   264
    tm.tm_hour = iso_atoi2(timestamp->hour);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   265
    tm.tm_min = iso_atoi2(timestamp->minute);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   266
    tm.tm_sec = iso_atoi2(timestamp->second);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   267
    /* this allows values outside the range of a unix timestamp... sanitize them */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   268
    PHYSFS_sint64 value = mktime(&tm);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   269
    return value == -1 ? 0 : value;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   270
} /* iso_volume_mktime */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   271
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   272
/*******************************************************************************
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   273
 * Filename extraction
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   274
 ******************************************************************************/
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   275
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   276
static int iso_extractfilenameISO(ISO9660FileDescriptor *descriptor,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   277
        char *filename, int *version)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   278
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   279
    *filename = '\0';
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   280
    if (descriptor->flags.directory)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   281
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   282
        strncpy(filename, descriptor->filename, descriptor->filenamelen);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   283
        filename[descriptor->filenamelen] = '\0';
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   284
        *version = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   285
    } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   286
    else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   287
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   288
        /* find last SEPARATOR2 */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   289
        int pos = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   290
        int lastfound = -1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   291
        for(;pos < descriptor->filenamelen; pos++)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   292
            if (descriptor->filename[pos] == ';')
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   293
                lastfound = pos;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   294
        BAIL_IF_MACRO(lastfound < 1, PHYSFS_ERR_NO_SUCH_PATH /* !!! FIXME: PHYSFS_ERR_BAD_FILENAME */, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   295
        BAIL_IF_MACRO(lastfound == (descriptor->filenamelen -1), PHYSFS_ERR_NO_SUCH_PATH /* !!! PHYSFS_ERR_BAD_FILENAME */, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   296
        strncpy(filename, descriptor->filename, lastfound);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   297
        if (filename[lastfound - 1] == '.')
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   298
            filename[lastfound - 1] = '\0'; /* consume trailing ., as done in all implementations */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   299
        else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   300
            filename[lastfound] = '\0';
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   301
        *version = atoi(descriptor->filename + lastfound);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   302
    } /* else */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   303
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   304
    return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   305
} /* iso_extractfilenameISO */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   306
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   307
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   308
static int iso_extractfilenameUCS2(ISO9660FileDescriptor *descriptor,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   309
        char *filename, int *version)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   310
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   311
    PHYSFS_uint16 tmp[128];
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   312
    PHYSFS_uint16 *src;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   313
    int len;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   314
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   315
    *filename = '\0';
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   316
    *version = 1; /* Joliet does not have versions.. at least not on my images */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   317
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   318
    src = (PHYSFS_uint16*) descriptor->filename;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   319
    len = descriptor->filenamelen / 2;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   320
    tmp[len] = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   321
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   322
    while(len--)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   323
        tmp[len] = PHYSFS_swapUBE16(src[len]);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   324
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   325
    PHYSFS_utf8FromUcs2(tmp, filename, 255);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   326
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   327
    return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   328
} /* iso_extractfilenameUCS2 */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   329
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   330
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   331
static int iso_extractfilename(ISO9660Handle *handle,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   332
        ISO9660FileDescriptor *descriptor, char *filename,int *version)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   333
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   334
    if (handle->isjoliet)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   335
        return iso_extractfilenameUCS2(descriptor, filename, version);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   336
    else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   337
        return iso_extractfilenameISO(descriptor, filename, version);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   338
} /* iso_extractfilename */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   339
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   340
/*******************************************************************************
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   341
 * Basic image read functions
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   342
 ******************************************************************************/
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   343
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   344
static int iso_readimage(ISO9660Handle *handle, PHYSFS_uint64 where,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   345
                         void *buffer, PHYSFS_uint64 len)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   346
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   347
    BAIL_IF_MACRO(!__PHYSFS_platformGrabMutex(handle->mutex), ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   348
    int rc = -1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   349
    if (where != handle->currpos)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   350
        GOTO_IF_MACRO(!handle->io->seek(handle->io,where), ERRPASS, unlockme);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   351
    rc = handle->io->read(handle->io, buffer, len);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   352
    if (rc == -1)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   353
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   354
        handle->currpos = (PHYSFS_uint64) -1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   355
        goto unlockme;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   356
    } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   357
    handle->currpos += rc;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   358
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   359
    unlockme:
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   360
    __PHYSFS_platformReleaseMutex(handle->mutex);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   361
    return rc;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   362
} /* iso_readimage */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   363
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   364
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   365
static PHYSFS_sint64 iso_readfiledescriptor(ISO9660Handle *handle,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   366
                                            PHYSFS_uint64 where,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   367
                                            ISO9660FileDescriptor *descriptor)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   368
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   369
    PHYSFS_sint64 rc = iso_readimage(handle, where, descriptor,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   370
                                     sizeof (descriptor->recordlen));
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   371
    BAIL_IF_MACRO(rc == -1, ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   372
    BAIL_IF_MACRO(rc != 1, PHYSFS_ERR_CORRUPT, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   373
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   374
    if (descriptor->recordlen == 0)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   375
        return 0; /* fill bytes at the end of a sector */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   376
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   377
    rc = iso_readimage(handle, where + 1, &descriptor->extattributelen,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   378
            descriptor->recordlen - sizeof(descriptor->recordlen));
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   379
    BAIL_IF_MACRO(rc == -1, ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   380
    BAIL_IF_MACRO(rc != 1, PHYSFS_ERR_CORRUPT, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   381
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   382
    return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   383
} /* iso_readfiledescriptor */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   384
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   385
static void iso_extractsubpath(char *path, char **subpath)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   386
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   387
    *subpath = strchr(path,'/');
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   388
    if (*subpath != 0)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   389
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   390
        **subpath = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   391
        *subpath +=1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   392
    } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   393
} /* iso_extractsubpath */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   394
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   395
/*
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   396
 * Don't use path tables, they are not necessarily faster, but more complicated
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   397
 * to implement as they store only directories and not files, so searching for
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   398
 * a file needs to branch to the directory extent sooner or later.
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   399
 */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   400
static int iso_find_dir_entry(ISO9660Handle *handle,const char *path,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   401
                              ISO9660FileDescriptor *descriptor, int *exists)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   402
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   403
    char *subpath = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   404
    PHYSFS_uint64 readpos, end_of_dir;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   405
    char filename[255];
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   406
    char pathcopy[256];
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   407
    char *mypath;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   408
    int version = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   409
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   410
    strcpy(pathcopy, path);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   411
    mypath = pathcopy;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   412
    *exists = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   413
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   414
    readpos = handle->rootdirstart;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   415
    end_of_dir = handle->rootdirstart + handle->rootdirsize;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   416
    iso_extractsubpath(mypath, &subpath);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   417
    while (1)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   418
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   419
        BAIL_IF_MACRO(iso_readfiledescriptor(handle, readpos, descriptor), ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   420
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   421
        /* recordlen = 0 -> no more entries or fill entry */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   422
        if (!descriptor->recordlen)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   423
        {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   424
            /* if we are in the last sector of the directory & it's 0 -> end */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   425
            if ((end_of_dir - 2048) <= (readpos -1))
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   426
                break; /* finished */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   427
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   428
            /* else skip to the next sector & continue; */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   429
            readpos = (((readpos - 1) / 2048) + 1) * 2048;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   430
            continue;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   431
        } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   432
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   433
        readpos += descriptor->recordlen;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   434
        if (descriptor->filenamelen == 1 && (descriptor->filename[0] == 0
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   435
                || descriptor->filename[0] == 1))
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   436
            continue; /* special ones, ignore */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   437
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   438
        BAIL_IF_MACRO(
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   439
            iso_extractfilename(handle, descriptor, filename, &version),
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   440
            ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   441
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   442
        if (strcmp(filename, mypath) == 0)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   443
        {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   444
            if ( (subpath == 0) || (subpath[0] == 0) )
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   445
            {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   446
                *exists = 1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   447
                return 0;  /* no subpaths left and we found the entry */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   448
            } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   449
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   450
            if (descriptor->flags.directory)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   451
            {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   452
                /* shorten the path to the subpath */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   453
                mypath = subpath;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   454
                iso_extractsubpath(mypath, &subpath);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   455
                /* gosub to the new directory extent */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   456
                readpos = descriptor->extentpos * 2048;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   457
                end_of_dir = readpos + descriptor->datalen;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   458
            } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   459
            else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   460
            {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   461
                /* we're at a file but have a remaining subpath -> no match */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   462
                return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   463
            } /* else */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   464
        } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   465
    } /* while */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   466
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   467
    return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   468
} /* iso_find_dir_entry */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   469
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   470
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   471
static int iso_read_ext_attributes(ISO9660Handle *handle, int block,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   472
                                   ISO9660ExtAttributeRec *attributes)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   473
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   474
    return iso_readimage(handle, block * 2048, attributes,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   475
                         sizeof(ISO9660ExtAttributeRec));
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   476
} /* iso_read_ext_attributes */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   477
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   478
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   479
static int ISO9660_flush(PHYSFS_Io *io) { return 1;  /* no write support. */ }
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   480
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   481
static PHYSFS_Io *ISO9660_duplicate(PHYSFS_Io *_io)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   482
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   483
    BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, NULL);  /* !!! FIXME: write me. */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   484
} /* ISO9660_duplicate */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   485
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   486
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   487
static void ISO9660_destroy(PHYSFS_Io *io)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   488
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   489
    ISO9660FileHandle *fhandle = (ISO9660FileHandle*) io->opaque;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   490
    fhandle->close(fhandle);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   491
    allocator.Free(io);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   492
} /* ISO9660_destroy */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   493
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   494
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   495
static PHYSFS_sint64 ISO9660_read(PHYSFS_Io *io, void *buf, PHYSFS_uint64 len)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   496
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   497
    ISO9660FileHandle *fhandle = (ISO9660FileHandle*) io->opaque;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   498
    return fhandle->read(fhandle, buf, len);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   499
} /* ISO9660_read */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   500
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   501
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   502
static PHYSFS_sint64 ISO9660_write(PHYSFS_Io *io, const void *b, PHYSFS_uint64 l)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   503
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   504
    BAIL_MACRO(PHYSFS_ERR_READ_ONLY, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   505
} /* ISO9660_write */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   506
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   507
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   508
static PHYSFS_sint64 ISO9660_tell(PHYSFS_Io *io)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   509
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   510
    return ((ISO9660FileHandle*) io->opaque)->currpos;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   511
} /* ISO9660_tell */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   512
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   513
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   514
static int ISO9660_seek(PHYSFS_Io *io, PHYSFS_uint64 offset)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   515
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   516
    ISO9660FileHandle *fhandle = (ISO9660FileHandle*) io->opaque;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   517
    return fhandle->seek(fhandle, offset);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   518
} /* ISO9660_seek */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   519
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   520
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   521
static PHYSFS_sint64 ISO9660_length(PHYSFS_Io *io)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   522
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   523
    return ((ISO9660FileHandle*) io->opaque)->filesize;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   524
} /* ISO9660_length */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   525
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   526
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   527
static const PHYSFS_Io ISO9660_Io =
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   528
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   529
    CURRENT_PHYSFS_IO_API_VERSION, NULL,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   530
    ISO9660_read,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   531
    ISO9660_write,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   532
    ISO9660_seek,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   533
    ISO9660_tell,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   534
    ISO9660_length,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   535
    ISO9660_duplicate,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   536
    ISO9660_flush,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   537
    ISO9660_destroy
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   538
};
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   539
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   540
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   541
/*******************************************************************************
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   542
 * Archive management functions
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   543
 ******************************************************************************/
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   544
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   545
static void *ISO9660_openArchive(PHYSFS_Io *io, const char *filename, int forWriting)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   546
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   547
    char magicnumber[6];
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   548
    ISO9660Handle *handle;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   549
    int founddescriptor = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   550
    int foundjoliet = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   551
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   552
    assert(io != NULL);  /* shouldn't ever happen. */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   553
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   554
    BAIL_IF_MACRO(forWriting, PHYSFS_ERR_READ_ONLY, NULL);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   555
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   556
    /* Skip system area to magic number in Volume descriptor */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   557
    BAIL_IF_MACRO(!io->seek(io, 32769), ERRPASS, NULL);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   558
    BAIL_IF_MACRO(!io->read(io, magicnumber, 5) != 5, ERRPASS, NULL);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   559
    if (memcmp(magicnumber, "CD001", 6) != 0)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   560
        BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, NULL);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   561
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   562
    handle = allocator.Malloc(sizeof(ISO9660Handle));
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   563
    GOTO_IF_MACRO(!handle, PHYSFS_ERR_OUT_OF_MEMORY, errorcleanup);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   564
    handle->path = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   565
    handle->mutex= 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   566
    handle->io = NULL;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   567
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   568
    handle->path = allocator.Malloc(strlen(filename) + 1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   569
    GOTO_IF_MACRO(!handle->path, PHYSFS_ERR_OUT_OF_MEMORY, errorcleanup);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   570
    strcpy(handle->path, filename);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   571
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   572
    handle->mutex = __PHYSFS_platformCreateMutex();
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   573
    GOTO_IF_MACRO(!handle->mutex, ERRPASS, errorcleanup);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   574
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   575
    handle->io = io;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   576
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   577
    /* seek Primary Volume Descriptor */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   578
    GOTO_IF_MACRO(!io->seek(io, 32768), PHYSFS_ERR_IO, errorcleanup);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   579
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   580
    while (1)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   581
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   582
        ISO9660VolumeDescriptor descriptor;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   583
        GOTO_IF_MACRO(io->read(io, &descriptor, sizeof(ISO9660VolumeDescriptor)) != sizeof(ISO9660VolumeDescriptor), PHYSFS_ERR_IO, errorcleanup);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   584
        GOTO_IF_MACRO(strncmp(descriptor.identifier, "CD001", 5) != 0, PHYSFS_ERR_UNSUPPORTED, errorcleanup);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   585
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   586
        if (descriptor.type == 255)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   587
        {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   588
            /* type 255 terminates the volume descriptor list */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   589
            if (founddescriptor)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   590
                return handle; /* ok, we've found one volume descriptor */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   591
            else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   592
                GOTO_MACRO(PHYSFS_ERR_CORRUPT, errorcleanup);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   593
        } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   594
        if (descriptor.type == 1 && !founddescriptor)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   595
        {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   596
            handle->currpos = io->tell(io);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   597
            handle->rootdirstart =
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   598
                    descriptor.rootdirectory.extent_location * 2048;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   599
            handle->rootdirsize =
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   600
                    descriptor.rootdirectory.data_length;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   601
            handle->isjoliet = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   602
            founddescriptor = 1; /* continue search for joliet */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   603
        } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   604
        if (descriptor.type == 2 && !foundjoliet)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   605
        {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   606
            /* check if is joliet */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   607
            PHYSFS_uint8 *s = descriptor.escape_sequences;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   608
            int joliet = !(descriptor.flags & 1)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   609
                    && (s[0] == 0x25)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   610
                    && (s[1] == 0x2F)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   611
                    && ((s[2] == 0x40) || (s[2] == 0x43) || (s[2] == 0x45));
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   612
            if (!joliet)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   613
                continue;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   614
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   615
            handle->currpos = io->tell(io);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   616
            handle->rootdirstart =
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   617
                    descriptor.rootdirectory.extent_location * 2048;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   618
            handle->rootdirsize =
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   619
                    descriptor.rootdirectory.data_length;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   620
            handle->isjoliet = 1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   621
            founddescriptor = 1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   622
            foundjoliet = 1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   623
        } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   624
    } /* while */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   625
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   626
    GOTO_MACRO(PHYSFS_ERR_CORRUPT, errorcleanup);  /* not found. */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   627
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   628
errorcleanup:
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   629
    if (handle)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   630
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   631
        if (handle->path)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   632
            allocator.Free(handle->path);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   633
        if (handle->mutex)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   634
            __PHYSFS_platformDestroyMutex(handle->mutex);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   635
        allocator.Free(handle);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   636
    } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   637
    return NULL;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   638
} /* ISO9660_openArchive */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   639
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   640
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   641
static void ISO9660_closeArchive(PHYSFS_Dir *opaque)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   642
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   643
    ISO9660Handle *handle = (ISO9660Handle*) opaque;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   644
    handle->io->destroy(handle->io);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   645
    __PHYSFS_platformDestroyMutex(handle->mutex);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   646
    allocator.Free(handle->path);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   647
    allocator.Free(handle);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   648
} /* ISO9660_closeArchive */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   649
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   650
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   651
/*******************************************************************************
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   652
 * Read functions
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   653
 ******************************************************************************/
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   654
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   655
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   656
static PHYSFS_uint32 iso_file_read_mem(ISO9660FileHandle *filehandle,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   657
                                       void *buffer, PHYSFS_uint64 len)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   658
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   659
    /* check remaining bytes & max obj which can be fetched */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   660
    const PHYSFS_sint64 bytesleft = filehandle->filesize - filehandle->currpos;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   661
    if (bytesleft < len)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   662
        len = bytesleft;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   663
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   664
    if (len == 0)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   665
        return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   666
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   667
    memcpy(buffer, filehandle->cacheddata + filehandle->currpos, (size_t) len);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   668
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   669
    filehandle->currpos += len;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   670
    return (PHYSFS_uint32) len;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   671
} /* iso_file_read_mem */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   672
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   673
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   674
static int iso_file_seek_mem(ISO9660FileHandle *fhandle, PHYSFS_sint64 offset)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   675
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   676
    BAIL_IF_MACRO(offset < 0, PHYSFS_ERR_INVALID_ARGUMENT, 0);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   677
    BAIL_IF_MACRO(offset >= fhandle->filesize, PHYSFS_ERR_PAST_EOF, 0);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   678
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   679
    fhandle->currpos = offset;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   680
    return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   681
} /* iso_file_seek_mem */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   682
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   683
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   684
static void iso_file_close_mem(ISO9660FileHandle *fhandle)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   685
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   686
    allocator.Free(fhandle->cacheddata);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   687
    allocator.Free(fhandle);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   688
} /* iso_file_close_mem */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   689
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   690
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   691
static PHYSFS_uint32 iso_file_read_foreign(ISO9660FileHandle *filehandle,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   692
                                           void *buffer, PHYSFS_uint64 len)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   693
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   694
    /* check remaining bytes & max obj which can be fetched */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   695
    const PHYSFS_sint64 bytesleft = filehandle->filesize - filehandle->currpos;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   696
    if (bytesleft < len)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   697
        len = bytesleft;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   698
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   699
    const PHYSFS_sint64 rc = filehandle->io->read(filehandle->io, buffer, len);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   700
    BAIL_IF_MACRO(rc == -1, ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   701
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   702
    filehandle->currpos += rc; /* i trust my internal book keeping */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   703
    BAIL_IF_MACRO(rc < len, PHYSFS_ERR_CORRUPT, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   704
    return rc;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   705
} /* iso_file_read_foreign */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   706
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   707
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   708
static int iso_file_seek_foreign(ISO9660FileHandle *fhandle,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   709
                                 PHYSFS_sint64 offset)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   710
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   711
    BAIL_IF_MACRO(offset < 0, PHYSFS_ERR_INVALID_ARGUMENT, 0);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   712
    BAIL_IF_MACRO(offset >= fhandle->filesize, PHYSFS_ERR_PAST_EOF, 0);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   713
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   714
    PHYSFS_sint64 pos = fhandle->startblock * 2048 + offset;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   715
    BAIL_IF_MACRO(!fhandle->io->seek(fhandle->io, pos), ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   716
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   717
    fhandle->currpos = offset;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   718
    return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   719
} /* iso_file_seek_foreign */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   720
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   721
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   722
static void iso_file_close_foreign(ISO9660FileHandle *fhandle)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   723
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   724
    fhandle->io->destroy(fhandle->io);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   725
    allocator.Free(fhandle);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   726
} /* iso_file_close_foreign */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   727
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   728
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   729
static int iso_file_open_mem(ISO9660Handle *handle, ISO9660FileHandle *fhandle)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   730
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   731
    fhandle->cacheddata = allocator.Malloc(fhandle->filesize);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   732
    BAIL_IF_MACRO(!fhandle->cacheddata, PHYSFS_ERR_OUT_OF_MEMORY, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   733
    int rc = iso_readimage(handle, fhandle->startblock * 2048,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   734
                           fhandle->cacheddata, fhandle->filesize);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   735
    GOTO_IF_MACRO(rc < 0, ERRPASS, freemem);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   736
    GOTO_IF_MACRO(rc == 0, PHYSFS_ERR_CORRUPT, freemem);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   737
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   738
    fhandle->read = iso_file_read_mem;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   739
    fhandle->seek = iso_file_seek_mem;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   740
    fhandle->close = iso_file_close_mem;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   741
    return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   742
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   743
freemem:
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   744
    allocator.Free(fhandle->cacheddata);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   745
    return -1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   746
} /* iso_file_open_mem */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   747
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   748
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   749
static int iso_file_open_foreign(ISO9660Handle *handle,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   750
                                 ISO9660FileHandle *fhandle)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   751
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   752
    int rc;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   753
    fhandle->io = __PHYSFS_createNativeIo(handle->path, 'r');
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   754
    BAIL_IF_MACRO(!fhandle->io, ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   755
    rc = fhandle->io->seek(fhandle->io, fhandle->startblock * 2048);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   756
    GOTO_IF_MACRO(!rc, ERRPASS, closefile);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   757
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   758
    fhandle->read = iso_file_read_foreign;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   759
    fhandle->seek = iso_file_seek_foreign;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   760
    fhandle->close = iso_file_close_foreign;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   761
    return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   762
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   763
closefile:
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   764
    fhandle->io->destroy(fhandle->io);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   765
    return -1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   766
} /* iso_file_open_foreign */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   767
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   768
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   769
static PHYSFS_Io *ISO9660_openRead(PHYSFS_Dir *opaque, const char *filename,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   770
                                   int *exists)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   771
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   772
    PHYSFS_Io *retval = NULL;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   773
    ISO9660Handle *handle = (ISO9660Handle*) opaque;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   774
    ISO9660FileHandle *fhandle;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   775
    ISO9660FileDescriptor descriptor;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   776
    int rc;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   777
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   778
    fhandle = allocator.Malloc(sizeof(ISO9660FileHandle));
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   779
    BAIL_IF_MACRO(fhandle == 0, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   780
    fhandle->cacheddata = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   781
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   782
    retval = allocator.Malloc(sizeof(PHYSFS_Io));
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   783
    GOTO_IF_MACRO(retval == 0, PHYSFS_ERR_OUT_OF_MEMORY, errorhandling);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   784
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   785
    /* find file descriptor */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   786
    rc = iso_find_dir_entry(handle, filename, &descriptor, exists);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   787
    GOTO_IF_MACRO(rc, ERRPASS, errorhandling);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   788
    GOTO_IF_MACRO(!*exists, PHYSFS_ERR_NO_SUCH_PATH, errorhandling);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   789
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   790
    fhandle->startblock = descriptor.extentpos + descriptor.extattributelen;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   791
    fhandle->filesize = descriptor.datalen;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   792
    fhandle->currpos = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   793
    fhandle->isohandle = handle;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   794
    fhandle->cacheddata = NULL;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   795
    fhandle->io = NULL;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   796
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   797
    if (descriptor.datalen <= ISO9660_FULLCACHEMAXSIZE)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   798
        rc = iso_file_open_mem(handle, fhandle);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   799
    else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   800
        rc = iso_file_open_foreign(handle, fhandle);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   801
    GOTO_IF_MACRO(rc, ERRPASS, errorhandling);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   802
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   803
    memcpy(retval, &ISO9660_Io, sizeof (PHYSFS_Io));
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   804
    retval->opaque = fhandle;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   805
    return retval;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   806
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   807
errorhandling:
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   808
    if (retval) allocator.Free(retval);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   809
    if (fhandle) allocator.Free(fhandle);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   810
    return NULL;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   811
} /* ISO9660_openRead */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   812
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   813
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   814
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   815
/*******************************************************************************
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   816
 * Information gathering functions
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   817
 ******************************************************************************/
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   818
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   819
static void ISO9660_enumerateFiles(PHYSFS_Dir *opaque, const char *dname,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   820
                                   int omitSymLinks,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   821
                                   PHYSFS_EnumFilesCallback cb,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   822
                                   const char *origdir, void *callbackdata)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   823
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   824
    ISO9660Handle *handle = (ISO9660Handle*) opaque;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   825
    ISO9660FileDescriptor descriptor;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   826
    PHYSFS_uint64 readpos;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   827
    PHYSFS_uint64 end_of_dir;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   828
    char filename[130]; /* ISO allows 31, Joliet 128 -> 128 + 2 eol bytes */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   829
    int version = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   830
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   831
    if (*dname == '\0')
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   832
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   833
        readpos = handle->rootdirstart;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   834
        end_of_dir = readpos + handle->rootdirsize;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   835
    } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   836
    else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   837
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   838
        printf("pfad %s\n",dname);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   839
        int exists = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   840
        BAIL_IF_MACRO(iso_find_dir_entry(handle,dname, &descriptor, &exists), ERRPASS,);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   841
        BAIL_IF_MACRO(!exists, ERRPASS, );
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   842
        BAIL_IF_MACRO(!descriptor.flags.directory, ERRPASS,);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   843
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   844
        readpos = descriptor.extentpos * 2048;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   845
        end_of_dir = readpos + descriptor.datalen;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   846
    } /* else */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   847
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   848
    while (1)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   849
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   850
        BAIL_IF_MACRO(iso_readfiledescriptor(handle, readpos, &descriptor), ERRPASS, );
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   851
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   852
        /* recordlen = 0 -> no more entries or fill entry */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   853
        if (!descriptor.recordlen)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   854
        {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   855
            /* if we are in the last sector of the directory & it's 0 -> end */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   856
            if ((end_of_dir - 2048) <= (readpos -1))
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   857
                break;  /* finished */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   858
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   859
            /* else skip to the next sector & continue; */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   860
            readpos = (((readpos - 1) / 2048) + 1) * 2048;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   861
            continue;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   862
        } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   863
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   864
        readpos +=  descriptor.recordlen;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   865
        if (descriptor.filenamelen == 1 && (descriptor.filename[0] == 0
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   866
                || descriptor.filename[0] == 1))
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   867
            continue; /* special ones, ignore */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   868
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   869
        strncpy(filename,descriptor.filename,descriptor.filenamelen);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   870
        iso_extractfilename(handle, &descriptor, filename, &version);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   871
        cb(callbackdata, origdir,filename);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   872
    } /* while */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   873
} /* ISO9660_enumerateFiles */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   874
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   875
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   876
static int ISO9660_stat(PHYSFS_Dir *opaque, const char *name, int *exists,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   877
                        PHYSFS_Stat *stat)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   878
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   879
    ISO9660Handle *handle = (ISO9660Handle*) opaque;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   880
    ISO9660FileDescriptor descriptor;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   881
    ISO9660ExtAttributeRec extattr;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   882
    BAIL_IF_MACRO(iso_find_dir_entry(handle, name, &descriptor, exists), ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   883
    if (!*exists)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   884
        return 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   885
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   886
    stat->readonly = 1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   887
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   888
    /* try to get extended info */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   889
    if (descriptor.extattributelen)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   890
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   891
        BAIL_IF_MACRO(iso_read_ext_attributes(handle,
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   892
                descriptor.extentpos, &extattr), ERRPASS, -1);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   893
        stat->createtime = iso_volume_mktime(&extattr.create_time);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   894
        stat->modtime = iso_volume_mktime(&extattr.mod_time);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   895
        stat->accesstime = iso_volume_mktime(&extattr.mod_time);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   896
    } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   897
    else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   898
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   899
        stat->createtime = iso_mktime(&descriptor.recordtime);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   900
        stat->modtime = iso_mktime(&descriptor.recordtime);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   901
        stat->accesstime = iso_mktime(&descriptor.recordtime);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   902
    } /* else */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   903
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   904
    if (descriptor.flags.directory)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   905
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   906
        stat->filesize = 0;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   907
        stat->filetype = PHYSFS_FILETYPE_DIRECTORY;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   908
    } /* if */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   909
    else
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   910
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   911
        stat->filesize = descriptor.datalen;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   912
        stat->filetype = PHYSFS_FILETYPE_REGULAR;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   913
    } /* else */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   914
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   915
    return 1;
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   916
} /* ISO9660_stat */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   917
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   918
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   919
/*******************************************************************************
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   920
 * Not supported functions
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   921
 ******************************************************************************/
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   922
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   923
static PHYSFS_Io *ISO9660_openWrite(PHYSFS_Dir *opaque, const char *name)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   924
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   925
    BAIL_MACRO(PHYSFS_ERR_READ_ONLY, NULL);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   926
} /* ISO9660_openWrite */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   927
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   928
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   929
static PHYSFS_Io *ISO9660_openAppend(PHYSFS_Dir *opaque, const char *name)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   930
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   931
    BAIL_MACRO(PHYSFS_ERR_READ_ONLY, NULL);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   932
} /* ISO9660_openAppend */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   933
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   934
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   935
static int ISO9660_remove(PHYSFS_Dir *opaque, const char *name)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   936
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   937
    BAIL_MACRO(PHYSFS_ERR_READ_ONLY, 0);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   938
} /* ISO9660_remove */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   939
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   940
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   941
static int ISO9660_mkdir(PHYSFS_Dir *opaque, const char *name)
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   942
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   943
    BAIL_MACRO(PHYSFS_ERR_READ_ONLY, 0);
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   944
} /* ISO9660_mkdir */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   945
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   946
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   947
const PHYSFS_Archiver __PHYSFS_Archiver_ISO9660 =
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   948
{
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   949
    {
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   950
        "ISO",
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   951
        "ISO9660 image file",
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   952
        "Christoph Nelles <evilazrael@evilazrael.de>",
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   953
        "http://www.evilazrael.de/",
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   954
    },
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   955
    ISO9660_openArchive,        /* openArchive() method    */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   956
    ISO9660_enumerateFiles,     /* enumerateFiles() method */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   957
    ISO9660_openRead,           /* openRead() method       */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   958
    ISO9660_openWrite,          /* openWrite() method      */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   959
    ISO9660_openAppend,         /* openAppend() method     */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   960
    ISO9660_remove,             /* remove() method         */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   961
    ISO9660_mkdir,              /* mkdir() method          */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   962
    ISO9660_closeArchive,       /* closeArchive() method   */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   963
    ISO9660_stat                /* stat() method           */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   964
};
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   965
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   966
#endif  /* defined PHYSFS_SUPPORTS_ISO9660 */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   967
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   968
/* end of archiver_iso9660.c ... */
13e2037ebc79 Try using PhysicsFS.
unc0rr
parents:
diff changeset
   969