src/archiver_iso9660.c
author Ryan C. Gordon <icculus@icculus.org>
Tue, 20 Mar 2012 15:38:12 -0400
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parent 1129 d81afe4b0a97
child 1247 4ea4710d4863
permissions -rw-r--r--
Reworked the error reporting API. Now we use error codes instead of strings. This is based on work originally done by Christoph Nelles.
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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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#if (defined PHYSFS_SUPPORTS_ISO9660)
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#define __PHYSICSFS_INTERNAL__
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#include "physfs_internal.h"
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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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    char reserved[64];
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    /** further fields not implemented */
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} ISO9660ExtAttributeRec;
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#pragma pack(pop)   /* restore original alignment from stack */
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typedef struct
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{
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    PHYSFS_Io *io;
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    PHYSFS_uint32 rootdirstart;
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    PHYSFS_uint32 rootdirsize;
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    PHYSFS_uint64 currpos;
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    int isjoliet;
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    char *path;
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    void *mutex;
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} ISO9660Handle;
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typedef struct __ISO9660FileHandle
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{
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    PHYSFS_sint64 filesize;
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    PHYSFS_uint64 currpos;
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    PHYSFS_uint64 startblock;
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    ISO9660Handle *isohandle;
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    PHYSFS_uint32 (*read) (struct __ISO9660FileHandle *filehandle, void *buffer,
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            PHYSFS_uint64 len);
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    int (*seek)(struct __ISO9660FileHandle *filehandle,  PHYSFS_sint64 offset);
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    void (*close)(struct __ISO9660FileHandle *filehandle);
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    /* !!! FIXME: anonymouse union is going to cause problems. */
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    union
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    {
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        /* !!! FIXME: just use a memory PHYSFS_Io here, unify all this code. */
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        char *cacheddata; /* data of file when cached */
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        PHYSFS_Io *io; /* handle to separate opened file */
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    };
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} ISO9660FileHandle;
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/*******************************************************************************
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 * Time conversion functions
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 ******************************************************************************/
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static PHYSFS_sint64 iso_mktime(ISO9660FileTimestamp *timestamp)
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{
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    struct tm tm;
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    tm.tm_year = timestamp->year;
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    tm.tm_mon = timestamp->month - 1;
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    tm.tm_mday = timestamp->day;
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    tm.tm_hour = timestamp->hour;
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    tm.tm_min = timestamp->minute;
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    tm.tm_sec = timestamp->second;
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    /* Ignore GMT offset for now... */
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    return mktime(&tm);
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} /* iso_mktime */
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static int iso_atoi2(char *text)
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{
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    return ((text[0] - 40) * 10) + (text[1] - 40);
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} /* iso_atoi2 */
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static int iso_atoi4(char *text)
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{
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    return ((text[0] - 40) * 1000) + ((text[1] - 40) * 100) +
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           ((text[2] - 40) * 10) + (text[3] - 40);
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} /* iso_atoi4 */
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static PHYSFS_sint64 iso_volume_mktime(ISO9660VolumeTimestamp *timestamp)
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{
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    struct tm tm;
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    tm.tm_year = iso_atoi4(timestamp->year);
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    tm.tm_mon = iso_atoi2(timestamp->month) - 1;
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    tm.tm_mday = iso_atoi2(timestamp->day);
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    tm.tm_hour = iso_atoi2(timestamp->hour);
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    tm.tm_min = iso_atoi2(timestamp->minute);
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    tm.tm_sec = iso_atoi2(timestamp->second);
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    /* this allows values outside the range of a unix timestamp... sanitize them */
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    PHYSFS_sint64 value = mktime(&tm);
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    return value == -1 ? 0 : value;
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} /* iso_volume_mktime */
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/*******************************************************************************
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 * Filename extraction
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 ******************************************************************************/
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static int iso_extractfilenameISO(ISO9660FileDescriptor *descriptor,
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        char *filename, int *version)
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{
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    *filename = '\0';
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    if (descriptor->flags.directory)
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    {
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        strncpy(filename, descriptor->filename, descriptor->filenamelen);
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        filename[descriptor->filenamelen] = '\0';
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        *version = 0;
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    } /* if */
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    else
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    {
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        /* find last SEPARATOR2 */
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        int pos = 0;
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        int lastfound = -1;
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        for(;pos < descriptor->filenamelen; pos++)
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            if (descriptor->filename[pos] == ';')
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                lastfound = pos;
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        BAIL_IF_MACRO(lastfound < 1, PHYSFS_ERR_NO_SUCH_PATH /* !!! FIXME: PHYSFS_ERR_BAD_FILENAME */, -1);
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        BAIL_IF_MACRO(lastfound == (descriptor->filenamelen -1), PHYSFS_ERR_NO_SUCH_PATH /* !!! PHYSFS_ERR_BAD_FILENAME */, -1);
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        strncpy(filename, descriptor->filename, lastfound);
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        if (filename[lastfound - 1] == '.')
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            filename[lastfound - 1] = '\0'; /* consume trailing ., as done in all implementations */
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        else
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            filename[lastfound] = '\0';
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        *version = atoi(descriptor->filename + lastfound);
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    } /* else */
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    return 0;
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} /* iso_extractfilenameISO */
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   306
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   307
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static int iso_extractfilenameUCS2(ISO9660FileDescriptor *descriptor,
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        char *filename, int *version)
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{
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    PHYSFS_uint16 tmp[128];
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    PHYSFS_uint16 *src;
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    int len;
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   314
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    *filename = '\0';
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    *version = 1; /* Joliet does not have versions.. at least not on my images */
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   317
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    src = (PHYSFS_uint16*) descriptor->filename;
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    len = descriptor->filenamelen / 2;
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    tmp[len] = 0;
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   321
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    while(len--)
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        tmp[len] = PHYSFS_swapUBE16(src[len]);
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   324
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    PHYSFS_utf8FromUcs2(tmp, filename, 255);
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diff changeset
   326
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   327
    return 0;
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   328
} /* iso_extractfilenameUCS2 */
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   329
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   330
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   331
static int iso_extractfilename(ISO9660Handle *handle,
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        ISO9660FileDescriptor *descriptor, char *filename,int *version)
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diff changeset
   333
{
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   334
    if (handle->isjoliet)
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diff changeset
   335
        return iso_extractfilenameUCS2(descriptor, filename, version);
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diff changeset
   336
    else
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   337
        return iso_extractfilenameISO(descriptor, filename, version);
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diff changeset
   338
} /* iso_extractfilename */
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   339
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/*******************************************************************************
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   341
 * Basic image read functions
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   342
 ******************************************************************************/
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   343
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static int iso_readimage(ISO9660Handle *handle, PHYSFS_uint64 where,
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                         void *buffer, PHYSFS_uint64 len)
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{
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   347
    BAIL_IF_MACRO(!__PHYSFS_platformGrabMutex(handle->mutex), ERRPASS, -1);
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   348
    int rc = -1;
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   349
    if (where != handle->currpos)
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   350
        GOTO_IF_MACRO(!handle->io->seek(handle->io,where), ERRPASS, unlockme);
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2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
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diff changeset
   351
    rc = handle->io->read(handle->io, buffer, len);
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   352
    if (rc == -1)
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diff changeset
   353
    {
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   354
        handle->currpos = (PHYSFS_uint64) -1;
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   355
        goto unlockme;
1064
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   356
    } /* if */
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4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
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diff changeset
   357
    handle->currpos += rc;
1064
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diff changeset
   358
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diff changeset
   359
    unlockme:
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diff changeset
   360
    __PHYSFS_platformReleaseMutex(handle->mutex);
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diff changeset
   361
    return rc;
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diff changeset
   362
} /* iso_readimage */
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diff changeset
   363
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diff changeset
   364
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   365
static PHYSFS_sint64 iso_readfiledescriptor(ISO9660Handle *handle,
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diff changeset
   366
                                            PHYSFS_uint64 where,
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diff changeset
   367
                                            ISO9660FileDescriptor *descriptor)
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diff changeset
   368
{
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diff changeset
   369
    PHYSFS_sint64 rc = iso_readimage(handle, where, descriptor,
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4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
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   370
                                     sizeof (descriptor->recordlen));
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22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
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diff changeset
   371
    BAIL_IF_MACRO(rc == -1, ERRPASS, -1);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
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parents: 1129
diff changeset
   372
    BAIL_IF_MACRO(rc != 1, PHYSFS_ERR_CORRUPT, -1);
1064
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diff changeset
   373
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   374
    if (descriptor->recordlen == 0)
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parents:
diff changeset
   375
        return 0; /* fill bytes at the end of a sector */
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parents:
diff changeset
   376
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   377
    rc = iso_readimage(handle, where + 1, &descriptor->extattributelen,
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   378
            descriptor->recordlen - sizeof(descriptor->recordlen));
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22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   379
    BAIL_IF_MACRO(rc == -1, ERRPASS, -1);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   380
    BAIL_IF_MACRO(rc != 1, PHYSFS_ERR_CORRUPT, -1);
1064
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parents:
diff changeset
   381
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   382
    return 0;
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parents:
diff changeset
   383
} /* iso_readfiledescriptor */
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parents:
diff changeset
   384
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   385
static void iso_extractsubpath(char *path, char **subpath)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   386
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   387
    *subpath = strchr(path,'/');
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   388
    if (*subpath != 0)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   389
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   390
        **subpath = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   391
        *subpath +=1;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   392
    } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   393
} /* iso_extractsubpath */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   394
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   395
/*
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   396
 * Don't use path tables, they are not necessarily faster, but more complicated
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   397
 * to implement as they store only directories and not files, so searching for
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   398
 * a file needs to branch to the directory extent sooner or later.
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   399
 */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   400
static int iso_find_dir_entry(ISO9660Handle *handle,const char *path,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   401
                              ISO9660FileDescriptor *descriptor, int *exists)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   402
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   403
    char *subpath = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   404
    PHYSFS_uint64 readpos, end_of_dir;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   405
    char filename[255];
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   406
    char pathcopy[256];
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   407
    char *mypath;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   408
    int version = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   409
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   410
    strcpy(pathcopy, path);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   411
    mypath = pathcopy;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   412
    *exists = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   413
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   414
    readpos = handle->rootdirstart;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   415
    end_of_dir = handle->rootdirstart + handle->rootdirsize;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   416
    iso_extractsubpath(mypath, &subpath);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   417
    while (1)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   418
    {
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   419
        BAIL_IF_MACRO(iso_readfiledescriptor(handle, readpos, descriptor), ERRPASS, -1);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   420
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   421
        /* recordlen = 0 -> no more entries or fill entry */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   422
        if (!descriptor->recordlen)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   423
        {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   424
            /* if we are in the last sector of the directory & it's 0 -> end */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   425
            if ((end_of_dir - 2048) <= (readpos -1))
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   426
                break; /* finished */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   427
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   428
            /* else skip to the next sector & continue; */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   429
            readpos = (((readpos - 1) / 2048) + 1) * 2048;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   430
            continue;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   431
        } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   432
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   433
        readpos += descriptor->recordlen;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   434
        if (descriptor->filenamelen == 1 && (descriptor->filename[0] == 0
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   435
                || descriptor->filename[0] == 1))
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   436
            continue; /* special ones, ignore */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   437
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   438
        BAIL_IF_MACRO(
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   439
            iso_extractfilename(handle, descriptor, filename, &version),
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   440
            ERRPASS, -1);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   441
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   442
        if (strcmp(filename, mypath) == 0)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   443
        {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   444
            if ( (subpath == 0) || (subpath[0] == 0) )
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   445
            {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   446
                *exists = 1;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   447
                return 0;  /* no subpaths left and we found the entry */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   448
            } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   449
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   450
            if (descriptor->flags.directory)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   451
            {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   452
                /* shorten the path to the subpath */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   453
                mypath = subpath;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   454
                iso_extractsubpath(mypath, &subpath);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   455
                /* gosub to the new directory extent */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   456
                readpos = descriptor->extentpos * 2048;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   457
                end_of_dir = readpos + descriptor->datalen;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   458
            } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   459
            else
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   460
            {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   461
                /* we're at a file but have a remaining subpath -> no match */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   462
                return 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   463
            } /* else */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   464
        } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   465
    } /* while */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   466
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   467
    return 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   468
} /* iso_find_dir_entry */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   469
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   470
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   471
static int iso_read_ext_attributes(ISO9660Handle *handle, int block,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   472
                                   ISO9660ExtAttributeRec *attributes)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   473
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   474
    return iso_readimage(handle, block * 2048, attributes,
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   475
                         sizeof(ISO9660ExtAttributeRec));
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   476
} /* iso_read_ext_attributes */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   477
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   478
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   479
static int ISO9660_flush(PHYSFS_Io *io) { return 1;  /* no write support. */ }
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   480
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   481
static PHYSFS_Io *ISO9660_duplicate(PHYSFS_Io *_io)
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   482
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   483
    BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, NULL);  /* !!! FIXME: write me. */
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   484
} /* ISO9660_duplicate */
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   485
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   486
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   487
static void ISO9660_destroy(PHYSFS_Io *io)
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   488
{
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   489
    ISO9660FileHandle *fhandle = (ISO9660FileHandle*) io->opaque;
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   490
    fhandle->close(fhandle);
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   491
    allocator.Free(io);
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   492
} /* ISO9660_destroy */
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   493
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   494
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   495
static PHYSFS_sint64 ISO9660_read(PHYSFS_Io *io, void *buf, PHYSFS_uint64 len)
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   496
{
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   497
    ISO9660FileHandle *fhandle = (ISO9660FileHandle*) io->opaque;
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   498
    return fhandle->read(fhandle, buf, len);
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   499
} /* ISO9660_read */
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   500
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   501
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   502
static PHYSFS_sint64 ISO9660_write(PHYSFS_Io *io, const void *b, PHYSFS_uint64 l)
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   503
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   504
    BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, -1);
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   505
} /* ISO9660_write */
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   506
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   507
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   508
static PHYSFS_sint64 ISO9660_tell(PHYSFS_Io *io)
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   509
{
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   510
    return ((ISO9660FileHandle*) io->opaque)->currpos;
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   511
} /* ISO9660_tell */
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   512
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   513
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   514
static int ISO9660_seek(PHYSFS_Io *io, PHYSFS_uint64 offset)
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   515
{
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   516
    ISO9660FileHandle *fhandle = (ISO9660FileHandle*) io->opaque;
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   517
    return fhandle->seek(fhandle, offset);
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   518
} /* ISO9660_seek */
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   519
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   520
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   521
static PHYSFS_sint64 ISO9660_length(PHYSFS_Io *io)
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   522
{
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   523
    return ((ISO9660FileHandle*) io->opaque)->filesize;
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   524
} /* ISO9660_length */
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   525
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   526
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   527
static const PHYSFS_Io ISO9660_Io =
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   528
{
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   529
    ISO9660_read,
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   530
    ISO9660_write,
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   531
    ISO9660_seek,
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   532
    ISO9660_tell,
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   533
    ISO9660_length,
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   534
    ISO9660_duplicate,
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   535
    ISO9660_flush,
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   536
    ISO9660_destroy,
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   537
    NULL
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   538
};
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   539
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   540
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   541
/*******************************************************************************
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   542
 * Archive management functions
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   543
 ******************************************************************************/
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   544
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   545
static void *ISO9660_openArchive(PHYSFS_Io *io, const char *filename, int forWriting)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   546
{
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   547
    char magicnumber[6];
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   548
    ISO9660Handle *handle;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   549
    int founddescriptor = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   550
    int foundjoliet = 0;
1113
2136d64bd1ad Removed PHYSFS_Archiver's isArchive() method.
Ryan C. Gordon <icculus@icculus.org>
parents: 1111
diff changeset
   551
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   552
    assert(io != NULL);  /* shouldn't ever happen. */
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   553
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   554
    BAIL_IF_MACRO(forWriting, PHYSFS_ERR_READ_ONLY, NULL);
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   555
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   556
    /* Skip system area to magic number in Volume descriptor */
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   557
    BAIL_IF_MACRO(!io->seek(io, 32769), ERRPASS, NULL);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   558
    BAIL_IF_MACRO(!io->read(io, magicnumber, 5) != 5, ERRPASS, NULL);
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   559
    if (memcmp(magicnumber, "CD001", 6) != 0)
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   560
        BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, NULL);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   561
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   562
    handle = allocator.Malloc(sizeof(ISO9660Handle));
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   563
    GOTO_IF_MACRO(!handle, PHYSFS_ERR_OUT_OF_MEMORY, errorcleanup);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   564
    handle->path = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   565
    handle->mutex= 0;
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   566
    handle->io = NULL;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   567
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   568
    handle->path = allocator.Malloc(strlen(filename) + 1);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   569
    GOTO_IF_MACRO(!handle->path, PHYSFS_ERR_OUT_OF_MEMORY, errorcleanup);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   570
    strcpy(handle->path, filename);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   571
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   572
    handle->mutex = __PHYSFS_platformCreateMutex();
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   573
    GOTO_IF_MACRO(!handle->mutex, ERRPASS, errorcleanup);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   574
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   575
    handle->io = io;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   576
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   577
    /* seek Primary Volume Descriptor */
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   578
    GOTO_IF_MACRO(!io->seek(io, 32768), PHYSFS_ERR_IO, errorcleanup);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   579
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   580
    while (1)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   581
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   582
        ISO9660VolumeDescriptor descriptor;
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   583
        GOTO_IF_MACRO(io->read(io, &descriptor, sizeof(ISO9660VolumeDescriptor)) != sizeof(ISO9660VolumeDescriptor), PHYSFS_ERR_IO, errorcleanup);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   584
        GOTO_IF_MACRO(strncmp(descriptor.identifier, "CD001", 5) != 0, PHYSFS_ERR_UNSUPPORTED, errorcleanup);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   585
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   586
        if (descriptor.type == 255)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   587
        {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   588
            /* type 255 terminates the volume descriptor list */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   589
            if (founddescriptor)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   590
                return handle; /* ok, we've found one volume descriptor */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   591
            else
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   592
                GOTO_MACRO(PHYSFS_ERR_CORRUPT, errorcleanup);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   593
        } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   594
        if (descriptor.type == 1 && !founddescriptor)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   595
        {
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   596
            handle->currpos = io->tell(io);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   597
            handle->rootdirstart =
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   598
                    descriptor.rootdirectory.extent_location * 2048;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   599
            handle->rootdirsize =
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   600
                    descriptor.rootdirectory.data_length;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   601
            handle->isjoliet = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   602
            founddescriptor = 1; /* continue search for joliet */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   603
        } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   604
        if (descriptor.type == 2 && !foundjoliet)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   605
        {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   606
            /* check if is joliet */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   607
            PHYSFS_uint8 *s = descriptor.escape_sequences;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   608
            int joliet = !(descriptor.flags & 1)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   609
                    && (s[0] == 0x25)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   610
                    && (s[1] == 0x2F)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   611
                    && ((s[2] == 0x40) || (s[2] == 0x43) || (s[2] == 0x45));
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   612
            if (!joliet)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   613
                continue;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   614
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   615
            handle->currpos = io->tell(io);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   616
            handle->rootdirstart =
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   617
                    descriptor.rootdirectory.extent_location * 2048;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   618
            handle->rootdirsize =
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   619
                    descriptor.rootdirectory.data_length;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   620
            handle->isjoliet = 1;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   621
            founddescriptor = 1;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   622
            foundjoliet = 1;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   623
        } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   624
    } /* while */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   625
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   626
    GOTO_MACRO(PHYSFS_ERR_CORRUPT, errorcleanup);  /* not found. */
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   627
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   628
errorcleanup:
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   629
    if (handle)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   630
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   631
        if (handle->path)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   632
            allocator.Free(handle->path);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   633
        if (handle->mutex)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   634
            __PHYSFS_platformDestroyMutex(handle->mutex);
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   635
        allocator.Free(handle);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   636
    } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   637
    return NULL;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   638
} /* ISO9660_openArchive */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   639
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   640
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   641
static void ISO9660_dirClose(dvoid *opaque)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   642
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   643
    ISO9660Handle *handle = (ISO9660Handle*) opaque;
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   644
    handle->io->destroy(handle->io);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   645
    __PHYSFS_platformDestroyMutex(handle->mutex);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   646
    allocator.Free(handle->path);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   647
    allocator.Free(handle);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   648
} /* ISO9660_dirClose */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   649
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   650
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   651
/*******************************************************************************
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   652
 * Read functions
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   653
 ******************************************************************************/
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   654
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   655
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   656
static PHYSFS_uint32 iso_file_read_mem(ISO9660FileHandle *filehandle,
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   657
                                       void *buffer, PHYSFS_uint64 len)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   658
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   659
    /* check remaining bytes & max obj which can be fetched */
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   660
    const PHYSFS_sint64 bytesleft = filehandle->filesize - filehandle->currpos;
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   661
    if (bytesleft < len)
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   662
        len = bytesleft;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   663
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   664
    if (len == 0)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   665
        return 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   666
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   667
    memcpy(buffer, filehandle->cacheddata + filehandle->currpos, (size_t) len);
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   668
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   669
    filehandle->currpos += len;
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   670
    return (PHYSFS_uint32) len;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   671
} /* iso_file_read_mem */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   672
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   673
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   674
static int iso_file_seek_mem(ISO9660FileHandle *fhandle, PHYSFS_sint64 offset)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   675
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   676
    BAIL_IF_MACRO(offset < 0, PHYSFS_ERR_INVALID_ARGUMENT, 0);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   677
    BAIL_IF_MACRO(offset >= fhandle->filesize, PHYSFS_ERR_PAST_EOF, 0);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   678
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   679
    fhandle->currpos = offset;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   680
    return 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   681
} /* iso_file_seek_mem */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   682
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   683
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   684
static void iso_file_close_mem(ISO9660FileHandle *fhandle)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   685
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   686
    allocator.Free(fhandle->cacheddata);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   687
    allocator.Free(fhandle);
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   688
} /* iso_file_close_mem */
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   689
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   690
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   691
static PHYSFS_uint32 iso_file_read_foreign(ISO9660FileHandle *filehandle,
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   692
                                           void *buffer, PHYSFS_uint64 len)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   693
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   694
    /* check remaining bytes & max obj which can be fetched */
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   695
    const PHYSFS_sint64 bytesleft = filehandle->filesize - filehandle->currpos;
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   696
    if (bytesleft < len)
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   697
        len = bytesleft;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   698
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   699
    const PHYSFS_sint64 rc = filehandle->io->read(filehandle->io, buffer, len);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   700
    BAIL_IF_MACRO(rc == -1, ERRPASS, -1);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   701
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   702
    filehandle->currpos += rc; /* i trust my internal book keeping */
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   703
    BAIL_IF_MACRO(rc < len, PHYSFS_ERR_CORRUPT, -1);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   704
    return rc;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   705
} /* iso_file_read_foreign */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   706
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   707
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   708
static int iso_file_seek_foreign(ISO9660FileHandle *fhandle,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   709
                                 PHYSFS_sint64 offset)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   710
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   711
    BAIL_IF_MACRO(offset < 0, PHYSFS_ERR_INVALID_ARGUMENT, 0);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   712
    BAIL_IF_MACRO(offset >= fhandle->filesize, PHYSFS_ERR_PAST_EOF, 0);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   713
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   714
    PHYSFS_sint64 pos = fhandle->startblock * 2048 + offset;
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   715
    BAIL_IF_MACRO(!fhandle->io->seek(fhandle->io, pos), ERRPASS, -1);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   716
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   717
    fhandle->currpos = offset;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   718
    return 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   719
} /* iso_file_seek_foreign */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   720
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   721
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   722
static void iso_file_close_foreign(ISO9660FileHandle *fhandle)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   723
{
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   724
    fhandle->io->destroy(fhandle->io);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   725
    allocator.Free(fhandle);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   726
} /* iso_file_close_foreign */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   727
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   728
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   729
static int iso_file_open_mem(ISO9660Handle *handle, ISO9660FileHandle *fhandle)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   730
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   731
    fhandle->cacheddata = allocator.Malloc(fhandle->filesize);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   732
    BAIL_IF_MACRO(!fhandle->cacheddata, PHYSFS_ERR_OUT_OF_MEMORY, -1);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   733
    int rc = iso_readimage(handle, fhandle->startblock * 2048,
1098
4e86cec1143f Moved all the file i/o from stdio-style to POSIX-style.
Ryan C. Gordon <icculus@icculus.org>
parents: 1097
diff changeset
   734
                           fhandle->cacheddata, fhandle->filesize);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   735
    GOTO_IF_MACRO(rc < 0, ERRPASS, freemem);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   736
    GOTO_IF_MACRO(rc == 0, PHYSFS_ERR_CORRUPT, freemem);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   737
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   738
    fhandle->read = iso_file_read_mem;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   739
    fhandle->seek = iso_file_seek_mem;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   740
    fhandle->close = iso_file_close_mem;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   741
    return 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   742
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   743
freemem:
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   744
    allocator.Free(fhandle->cacheddata);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   745
    return -1;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   746
} /* iso_file_open_mem */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   747
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   748
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   749
static int iso_file_open_foreign(ISO9660Handle *handle,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   750
                                 ISO9660FileHandle *fhandle)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   751
{
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   752
    int rc;
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   753
    fhandle->io = __PHYSFS_createNativeIo(handle->path, 'r');
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   754
    BAIL_IF_MACRO(!fhandle->io, ERRPASS, -1);
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   755
    rc = fhandle->io->seek(fhandle->io, fhandle->startblock * 2048);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   756
    GOTO_IF_MACRO(!rc, ERRPASS, closefile);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   757
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   758
    fhandle->read = iso_file_read_foreign;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   759
    fhandle->seek = iso_file_seek_foreign;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   760
    fhandle->close = iso_file_close_foreign;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   761
    return 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   762
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   763
closefile:
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   764
    fhandle->io->destroy(fhandle->io);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   765
    return -1;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   766
} /* iso_file_open_foreign */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   767
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   768
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   769
static PHYSFS_Io *ISO9660_openRead(dvoid *opaque, const char *filename, int *exists)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   770
{
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   771
    PHYSFS_Io *retval = NULL;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   772
    ISO9660Handle *handle = (ISO9660Handle*) opaque;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   773
    ISO9660FileHandle *fhandle;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   774
    ISO9660FileDescriptor descriptor;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   775
    int rc;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   776
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   777
    fhandle = allocator.Malloc(sizeof(ISO9660FileHandle));
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   778
    BAIL_IF_MACRO(fhandle == 0, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   779
    fhandle->cacheddata = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   780
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   781
    retval = allocator.Malloc(sizeof(PHYSFS_Io));
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   782
    GOTO_IF_MACRO(retval == 0, PHYSFS_ERR_OUT_OF_MEMORY, errorhandling);
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   783
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   784
    /* find file descriptor */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   785
    rc = iso_find_dir_entry(handle, filename, &descriptor, exists);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   786
    GOTO_IF_MACRO(rc, ERRPASS, errorhandling);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   787
    GOTO_IF_MACRO(!*exists, PHYSFS_ERR_NO_SUCH_PATH, errorhandling);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   788
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   789
    fhandle->startblock = descriptor.extentpos + descriptor.extattributelen;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   790
    fhandle->filesize = descriptor.datalen;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   791
    fhandle->currpos = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   792
    fhandle->isohandle = handle;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   793
    fhandle->cacheddata = NULL;
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   794
    fhandle->io = NULL;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   795
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   796
    if (descriptor.datalen <= ISO9660_FULLCACHEMAXSIZE)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   797
        rc = iso_file_open_mem(handle, fhandle);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   798
    else
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   799
        rc = iso_file_open_foreign(handle, fhandle);
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   800
    GOTO_IF_MACRO(rc, ERRPASS, errorhandling);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   801
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   802
    memcpy(retval, &ISO9660_Io, sizeof (PHYSFS_Io));
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   803
    retval->opaque = fhandle;
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   804
    return retval;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   805
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   806
errorhandling:
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   807
    if (retval) allocator.Free(retval);
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   808
    if (fhandle) allocator.Free(fhandle);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   809
    return NULL;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   810
} /* ISO9660_openRead */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   811
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   812
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   813
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   814
/*******************************************************************************
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   815
 * Information gathering functions
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   816
 ******************************************************************************/
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   817
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   818
static void ISO9660_enumerateFiles(dvoid *opaque, const char *dname,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   819
                                   int omitSymLinks,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   820
                                   PHYSFS_EnumFilesCallback cb,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   821
                                   const char *origdir, void *callbackdata)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   822
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   823
    ISO9660Handle *handle = (ISO9660Handle*) opaque;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   824
    ISO9660FileDescriptor descriptor;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   825
    PHYSFS_uint64 readpos;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   826
    PHYSFS_uint64 end_of_dir;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   827
    char filename[130]; /* ISO allows 31, Joliet 128 -> 128 + 2 eol bytes */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   828
    int version = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   829
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   830
    if (*dname == '\0')
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   831
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   832
        readpos = handle->rootdirstart;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   833
        end_of_dir = readpos + handle->rootdirsize;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   834
    } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   835
    else
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   836
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   837
        printf("pfad %s\n",dname);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   838
        int exists = 0;
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   839
        BAIL_IF_MACRO(iso_find_dir_entry(handle,dname, &descriptor, &exists), ERRPASS,);
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   840
        BAIL_IF_MACRO(!exists, ERRPASS, );
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   841
        BAIL_IF_MACRO(!descriptor.flags.directory, ERRPASS,);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   842
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   843
        readpos = descriptor.extentpos * 2048;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   844
        end_of_dir = readpos + descriptor.datalen;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   845
    } /* else */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   846
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   847
    while (1)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   848
    {
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   849
        BAIL_IF_MACRO(iso_readfiledescriptor(handle, readpos, &descriptor), ERRPASS, );
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   850
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   851
        /* recordlen = 0 -> no more entries or fill entry */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   852
        if (!descriptor.recordlen)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   853
        {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   854
            /* if we are in the last sector of the directory & it's 0 -> end */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   855
            if ((end_of_dir - 2048) <= (readpos -1))
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   856
                break;  /* finished */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   857
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   858
            /* else skip to the next sector & continue; */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   859
            readpos = (((readpos - 1) / 2048) + 1) * 2048;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   860
            continue;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   861
        } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   862
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   863
        readpos +=  descriptor.recordlen;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   864
        if (descriptor.filenamelen == 1 && (descriptor.filename[0] == 0
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   865
                || descriptor.filename[0] == 1))
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   866
            continue; /* special ones, ignore */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   867
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   868
        strncpy(filename,descriptor.filename,descriptor.filenamelen);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   869
        iso_extractfilename(handle, &descriptor, filename, &version);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   870
        cb(callbackdata, origdir,filename);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   871
    } /* while */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   872
} /* ISO9660_enumerateFiles */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   873
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   874
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   875
static int ISO9660_stat(dvoid *opaque, const char *name, int *exists,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   876
                        PHYSFS_Stat *stat)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   877
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   878
    ISO9660Handle *handle = (ISO9660Handle*) opaque;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   879
    ISO9660FileDescriptor descriptor;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   880
    ISO9660ExtAttributeRec extattr;
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   881
    BAIL_IF_MACRO(iso_find_dir_entry(handle, name, &descriptor, exists), ERRPASS, -1);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   882
    if (!*exists)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   883
        return 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   884
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   885
    stat->readonly = 1;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   886
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   887
    /* try to get extended info */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   888
    if (descriptor.extattributelen)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   889
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   890
        BAIL_IF_MACRO(iso_read_ext_attributes(handle,
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   891
                descriptor.extentpos, &extattr), ERRPASS, -1);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   892
        stat->createtime = iso_volume_mktime(&extattr.create_time);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   893
        stat->modtime = iso_volume_mktime(&extattr.mod_time);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   894
        stat->accesstime = iso_volume_mktime(&extattr.mod_time);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   895
    } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   896
    else
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   897
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   898
        stat->createtime = iso_mktime(&descriptor.recordtime);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   899
        stat->modtime = iso_mktime(&descriptor.recordtime);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   900
        stat->accesstime = iso_mktime(&descriptor.recordtime);
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   901
    } /* else */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   902
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   903
    if (descriptor.flags.directory)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   904
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   905
        stat->filesize = 0;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   906
        stat->filetype = PHYSFS_FILETYPE_DIRECTORY;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   907
    } /* if */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   908
    else
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   909
    {
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   910
        stat->filesize = descriptor.datalen;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   911
        stat->filetype = PHYSFS_FILETYPE_REGULAR;
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   912
    } /* else */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   913
1106
94c3669d0311 Fixed PHYSFS_stat()'s return value to match rest of PhysicsFS API.
Ryan C. Gordon <icculus@icculus.org>
parents: 1098
diff changeset
   914
    return 1;
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   915
} /* ISO9660_stat */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   916
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   917
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   918
/*******************************************************************************
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   919
 * Not supported functions
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   920
 ******************************************************************************/
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   921
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   922
static PHYSFS_Io *ISO9660_openWrite(dvoid *opaque, const char *name)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   923
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   924
    BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, NULL);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   925
} /* ISO9660_openWrite */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   926
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   927
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   928
static PHYSFS_Io *ISO9660_openAppend(dvoid *opaque, const char *name)
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   929
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   930
    BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, NULL);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   931
} /* ISO9660_openAppend */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   932
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   933
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   934
static int ISO9660_remove(dvoid *opaque, const char *name)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   935
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   936
    BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, 0);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   937
} /* ISO9660_remove */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   938
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   939
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   940
static int ISO9660_mkdir(dvoid *opaque, const char *name)
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   941
{
1240
22d4d1bd4e21 Reworked the error reporting API. Now we use error codes instead of strings.
Ryan C. Gordon <icculus@icculus.org>
parents: 1129
diff changeset
   942
    BAIL_MACRO(PHYSFS_ERR_UNSUPPORTED, 0);
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   943
} /* ISO9660_mkdir */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   944
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   945
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   946
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   947
const PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_ISO9660 =
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   948
{
1065
eb39b3977c2d Corrected file extension for ISO9660 archiver.
Ryan C. Gordon <icculus@icculus.org>
parents: 1064
diff changeset
   949
    "ISO",
eb39b3977c2d Corrected file extension for ISO9660 archiver.
Ryan C. Gordon <icculus@icculus.org>
parents: 1064
diff changeset
   950
    "ISO9660 image file",
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   951
    "Christoph Nelles <evilazrael@evilazrael.de>",
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   952
    "http://www.evilazrael.de",
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   953
};
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   954
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   955
const PHYSFS_Archiver __PHYSFS_Archiver_ISO9660 =
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   956
{
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   957
    &__PHYSFS_ArchiveInfo_ISO9660,
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   958
    ISO9660_openArchive,        /* openArchive() method    */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   959
    ISO9660_enumerateFiles,     /* enumerateFiles() method */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   960
    ISO9660_openRead,           /* openRead() method       */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   961
    ISO9660_openWrite,          /* openWrite() method      */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   962
    ISO9660_openAppend,         /* openAppend() method     */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   963
    ISO9660_remove,             /* remove() method         */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   964
    ISO9660_mkdir,              /* mkdir() method          */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   965
    ISO9660_dirClose,           /* dirClose() method       */
1118
2e09fc635fdd Abstracted file i/o into PHYSFS_Io interface.
Ryan C. Gordon <icculus@icculus.org>
parents: 1116
diff changeset
   966
    ISO9660_stat                /* stat() method           */
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   967
};
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   968
1066
e1d83e3b5d32 Make ISO9660 archiver optional.
Ryan C. Gordon <icculus@icculus.org>
parents: 1065
diff changeset
   969
#endif  /* defined PHYSFS_SUPPORTS_ISO9660 */
e1d83e3b5d32 Make ISO9660 archiver optional.
Ryan C. Gordon <icculus@icculus.org>
parents: 1065
diff changeset
   970
1064
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   971
/* end of archiver_iso9660.c ... */
cc4db73e87d1 ISO9660 archiver, compliments of Christoph Nelles.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   972