archivers/wad.c
author Ryan C. Gordon <icculus@icculus.org>
Wed, 29 Sep 2004 06:09:29 +0000
changeset 657 dad3b5c307a9
parent 650 298b8bb26775
child 658 1981818c6170
permissions -rw-r--r--
Added callback APIs and ripped up the internals everywhere to use them.
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/*
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 * WAD support routines for PhysicsFS.
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 *
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 * This driver handles DOOM engine archives ("wads"). 
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 * This format (but not this driver) was designed by id Software for use
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 *  with the DOOM engine.
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 * The specs of the format are from the unofficial doom specs v1.666
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 * found here: http://www.gamers.org/dhs/helpdocs/dmsp1666.html
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 * The format of the archive: (from the specs)
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 *
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 *  A WAD file has three parts:
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 *  (1) a twelve-byte header
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 *  (2) one or more "lumps"
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 *  (3) a directory or "info table" that contains the names, offsets, and
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 *      sizes of all the lumps in the WAD
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 *
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 *  The header consists of three four-byte parts:
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 *    (a) an ASCII string which must be either "IWAD" or "PWAD"
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 *    (b) a 4-byte (long) integer which is the number of lumps in the wad
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 *    (c) a long integer which is the file offset to the start of
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 *    the directory
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 *
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 *  The directory has one 16-byte entry for every lump. Each entry consists
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 *  of three parts:
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 *
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 *    (a) a long integer, the file offset to the start of the lump
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 *    (b) a long integer, the size of the lump in bytes
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 *    (c) an 8-byte ASCII string, the name of the lump, padded with zeros.
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 *        For example, the "DEMO1" entry in hexadecimal would be
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 *        (44 45 4D 4F 31 00 00 00)
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 * 
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 * Note that there is no way to tell if an opened WAD archive is a
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 *  IWAD or PWAD with this archiver.
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 * I couldn't think of a way to provide that information, without being too
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 *  hacky.
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 * I don't think it's really that important though.
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 *
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 *
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 * Please see the file LICENSE in the source's root directory.
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 *
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 * This file written by Travis Wells, based on the GRP archiver by
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 *  Ryan C. Gordon.
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 */
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#if HAVE_CONFIG_H
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#  include <config.h>
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#endif
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#if (defined PHYSFS_SUPPORTS_WAD)
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "physfs.h"
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#define __PHYSICSFS_INTERNAL__
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#include "physfs_internal.h"
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typedef struct
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{
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    char name[18];
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    PHYSFS_uint32 startPos;
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    PHYSFS_uint32 size;
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} WADentry;
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typedef struct
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{
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    char *filename;
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    PHYSFS_sint64 last_mod_time;
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    PHYSFS_uint32 entryCount;
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    PHYSFS_uint32 entryOffset;
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    WADentry *entries;
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} WADinfo;
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typedef struct
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{
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    void *handle;
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    WADentry *entry;
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    PHYSFS_uint32 curPos;
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} WADfileinfo;
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static PHYSFS_sint64 WAD_read(fvoid *opaque, void *buffer,
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                              PHYSFS_uint32 objSize, PHYSFS_uint32 objCount);
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static PHYSFS_sint64 WAD_write(fvoid *opaque, const void *buffer,
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                               PHYSFS_uint32 objSize, PHYSFS_uint32 objCount);
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static int WAD_eof(fvoid *opaque);
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static PHYSFS_sint64 WAD_tell(fvoid *opaque);
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static int WAD_seek(fvoid *opaque, PHYSFS_uint64 offset);
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static PHYSFS_sint64 WAD_fileLength(fvoid *opaque);
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static int WAD_fileClose(fvoid *opaque);
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static int WAD_isArchive(const char *filename, int forWriting);
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static void *WAD_openArchive(const char *name, int forWriting);
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static void WAD_enumerateFiles(dvoid *opaque, const char *dname,
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                               int omitSymLinks, PHYSFS_StringCallback cb,
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                               void *callbackdata);
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static int WAD_exists(dvoid *opaque, const char *name);
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static int WAD_isDirectory(dvoid *opaque, const char *name, int *fileExists);
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static int WAD_isSymLink(dvoid *opaque, const char *name, int *fileExists);
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static PHYSFS_sint64 WAD_getLastModTime(dvoid *opaque, const char *n, int *e);
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static fvoid *WAD_openRead(dvoid *opaque, const char *name, int *exist);
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static fvoid *WAD_openWrite(dvoid *opaque, const char *name);
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static fvoid *WAD_openAppend(dvoid *opaque, const char *name);
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static int WAD_remove(dvoid *opaque, const char *name);
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static int WAD_mkdir(dvoid *opaque, const char *name);
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static void WAD_dirClose(dvoid *opaque);
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const PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_WAD =
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{
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    "WAD",
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    /* !!! FIXME WAD_ARCHIVE_DESCRIPTION, */ "DOOM engine format",
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    "Travis Wells <traviswells@mchsi.com>",
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    "http://www.3dmm2.com/doom/",
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};
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const PHYSFS_Archiver __PHYSFS_Archiver_WAD =
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{
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    &__PHYSFS_ArchiveInfo_WAD,
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    WAD_isArchive,          /* isArchive() method      */
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    WAD_openArchive,        /* openArchive() method    */
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    WAD_enumerateFiles,     /* enumerateFiles() method */
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    WAD_exists,             /* exists() method         */
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    WAD_isDirectory,        /* isDirectory() method    */
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    WAD_isSymLink,          /* isSymLink() method      */
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    WAD_getLastModTime,     /* getLastModTime() method */
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    WAD_openRead,           /* openRead() method       */
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    WAD_openWrite,          /* openWrite() method      */
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    WAD_openAppend,         /* openAppend() method     */
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    WAD_remove,             /* remove() method         */
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    WAD_mkdir,              /* mkdir() method          */
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    WAD_dirClose,           /* dirClose() method       */
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    WAD_read,               /* read() method           */
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    WAD_write,              /* write() method          */
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   135
    WAD_eof,                /* eof() method            */
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diff changeset
   136
    WAD_tell,               /* tell() method           */
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   137
    WAD_seek,               /* seek() method           */
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diff changeset
   138
    WAD_fileLength,         /* fileLength() method     */
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diff changeset
   139
    WAD_fileClose           /* fileClose() method      */
609
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   140
};
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diff changeset
   141
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   142
3a91332776e0 Added Doom WAD support.
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diff changeset
   143
650
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   144
static void WAD_dirClose(dvoid *opaque)
609
3a91332776e0 Added Doom WAD support.
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   145
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
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   146
    WADinfo *info = ((WADinfo *) opaque);
609
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   147
    free(info->filename);
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diff changeset
   148
    free(info->entries);
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diff changeset
   149
    free(info);
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   150
} /* WAD_dirClose */
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   151
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   152
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   153
static PHYSFS_sint64 WAD_read(fvoid *opaque, void *buffer,
609
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   154
                              PHYSFS_uint32 objSize, PHYSFS_uint32 objCount)
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   155
{
650
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   156
    WADfileinfo *finfo = (WADfileinfo *) opaque;
609
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   157
    WADentry *entry = finfo->entry;
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   158
    PHYSFS_uint32 bytesLeft = entry->size - finfo->curPos;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
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   159
    PHYSFS_uint32 objsLeft = (bytesLeft / objSize);
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   160
    PHYSFS_sint64 rc;
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parents:
diff changeset
   161
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   162
    if (objsLeft < objCount)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   163
        objCount = objsLeft;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   164
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   165
    rc = __PHYSFS_platformRead(finfo->handle, buffer, objSize, objCount);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   166
    if (rc > 0)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   167
        finfo->curPos += (PHYSFS_uint32) (rc * objSize);
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diff changeset
   168
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   169
    return(rc);
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diff changeset
   170
} /* WAD_read */
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diff changeset
   171
3a91332776e0 Added Doom WAD support.
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   172
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
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diff changeset
   173
static PHYSFS_sint64 WAD_write(fvoid *opaque, const void *buffer,
609
3a91332776e0 Added Doom WAD support.
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diff changeset
   174
                               PHYSFS_uint32 objSize, PHYSFS_uint32 objCount)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   175
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   176
    BAIL_MACRO(ERR_NOT_SUPPORTED, -1);
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   177
} /* WAD_write */
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diff changeset
   178
3a91332776e0 Added Doom WAD support.
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parents:
diff changeset
   179
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
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diff changeset
   180
static int WAD_eof(fvoid *opaque)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   181
{
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
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diff changeset
   182
    WADfileinfo *finfo = (WADfileinfo *) opaque;
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   183
    WADentry *entry = finfo->entry;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   184
    return(finfo->curPos >= entry->size);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   185
} /* WAD_eof */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   186
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   187
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   188
static PHYSFS_sint64 WAD_tell(fvoid *opaque)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   189
{
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   190
    return(((WADfileinfo *) opaque)->curPos);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   191
} /* WAD_tell */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   192
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   193
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   194
static int WAD_seek(fvoid *opaque, PHYSFS_uint64 offset)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   195
{
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   196
    WADfileinfo *finfo = (WADfileinfo *) opaque;
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   197
    WADentry *entry = finfo->entry;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   198
    int rc;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   199
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   200
    BAIL_IF_MACRO(offset < 0, ERR_INVALID_ARGUMENT, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   201
    BAIL_IF_MACRO(offset >= entry->size, ERR_PAST_EOF, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   202
    rc = __PHYSFS_platformSeek(finfo->handle, entry->startPos + offset);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   203
    if (rc)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   204
        finfo->curPos = (PHYSFS_uint32) offset;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   205
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   206
    return(rc);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   207
} /* WAD_seek */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   208
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   209
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   210
static PHYSFS_sint64 WAD_fileLength(fvoid *opaque)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   211
{
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   212
    WADfileinfo *finfo = (WADfileinfo *) opaque;
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   213
    return((PHYSFS_sint64) finfo->entry->size);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   214
} /* WAD_fileLength */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   215
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   216
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   217
static int WAD_fileClose(fvoid *opaque)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   218
{
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   219
    WADfileinfo *finfo = (WADfileinfo *) opaque;
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   220
    BAIL_IF_MACRO(!__PHYSFS_platformClose(finfo->handle), NULL, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   221
    free(finfo);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   222
    return(1);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   223
} /* WAD_fileClose */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   224
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   225
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   226
static int wad_open(const char *filename, int forWriting,
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   227
                    void **fh, PHYSFS_uint32 *count,PHYSFS_uint32 *offset)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   228
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   229
    PHYSFS_uint8 buf[4];
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   230
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   231
    *fh = NULL;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   232
    BAIL_IF_MACRO(forWriting, ERR_ARC_IS_READ_ONLY, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   233
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   234
    *fh = __PHYSFS_platformOpenRead(filename);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   235
    BAIL_IF_MACRO(*fh == NULL, NULL, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   236
    
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   237
    if (__PHYSFS_platformRead(*fh, buf, 4, 1) != 1)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   238
        goto openWad_failed;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   239
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   240
    if (memcmp(buf, "IWAD", 4) != 0 && memcmp(buf, "PWAD", 4) != 0)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   241
    {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   242
        __PHYSFS_setError(ERR_UNSUPPORTED_ARCHIVE);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   243
        goto openWad_failed;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   244
    } /* if */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   245
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   246
    if (__PHYSFS_platformRead(*fh, count, sizeof (PHYSFS_uint32), 1) != 1)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   247
        goto openWad_failed;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   248
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   249
    *count = PHYSFS_swapULE32(*count);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   250
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   251
    if (__PHYSFS_platformRead(*fh, offset, sizeof (PHYSFS_uint32), 1) != 1)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   252
        goto openWad_failed;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   253
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   254
    *offset = PHYSFS_swapULE32(*offset);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   255
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   256
    return(1);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   257
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   258
openWad_failed:
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   259
    if (*fh != NULL)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   260
        __PHYSFS_platformClose(*fh);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   261
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   262
    *count = -1;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   263
    *fh = NULL;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   264
    return(0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   265
} /* wad_open */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   266
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   267
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   268
static int WAD_isArchive(const char *filename, int forWriting)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   269
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   270
    void *fh;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   271
    PHYSFS_uint32 fileCount,offset;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   272
    int retval = wad_open(filename, forWriting, &fh, &fileCount,&offset);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   273
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   274
    if (fh != NULL)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   275
        __PHYSFS_platformClose(fh);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   276
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   277
    return(retval);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   278
} /* WAD_isArchive */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   279
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   280
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   281
static int wad_entry_cmp(void *_a, PHYSFS_uint32 one, PHYSFS_uint32 two)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   282
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   283
    WADentry *a = (WADentry *) _a;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   284
    return(strcmp(a[one].name, a[two].name));
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   285
} /* wad_entry_cmp */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   286
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   287
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   288
static void wad_entry_swap(void *_a, PHYSFS_uint32 one, PHYSFS_uint32 two)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   289
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   290
    WADentry tmp;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   291
    WADentry *first = &(((WADentry *) _a)[one]);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   292
    WADentry *second = &(((WADentry *) _a)[two]);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   293
    memcpy(&tmp, first, sizeof (WADentry));
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   294
    memcpy(first, second, sizeof (WADentry));
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   295
    memcpy(second, &tmp, sizeof (WADentry));
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   296
} /* wad_entry_swap */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   297
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   298
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   299
static int wad_load_entries(const char *name, int forWriting, WADinfo *info)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   300
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   301
    void *fh = NULL;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   302
    PHYSFS_uint32 fileCount;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   303
    PHYSFS_uint32 directoryOffset;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   304
    WADentry *entry;
622
c8e67ca63ad6 Patches to get this building on Mac Classic again.
Ryan C. Gordon <icculus@icculus.org>
parents: 610
diff changeset
   305
    char lastDirectory[9];
610
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   306
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   307
    lastDirectory[8] = 0; /* Make sure lastDirectory stays null-terminated. */
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   308
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   309
    BAIL_IF_MACRO(!wad_open(name, forWriting, &fh, &fileCount,&directoryOffset), NULL, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   310
    info->entryCount = fileCount;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   311
    info->entries = (WADentry *) malloc(sizeof (WADentry) * fileCount);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   312
    if (info->entries == NULL)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   313
    {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   314
        __PHYSFS_platformClose(fh);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   315
        BAIL_MACRO(ERR_OUT_OF_MEMORY, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   316
    } /* if */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   317
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   318
    __PHYSFS_platformSeek(fh,directoryOffset);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   319
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   320
    for (entry = info->entries; fileCount > 0; fileCount--, entry++)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   321
    {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   322
        if (__PHYSFS_platformRead(fh, &entry->startPos, 4, 1) != 1)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   323
        {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   324
            __PHYSFS_platformClose(fh);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   325
            return(0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   326
        } /* if */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   327
        
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   328
        if (__PHYSFS_platformRead(fh, &entry->size, 4, 1) != 1)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   329
        {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   330
            __PHYSFS_platformClose(fh);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   331
            return(0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   332
        } /* if */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   333
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   334
        if (__PHYSFS_platformRead(fh, &entry->name, 8, 1) != 1)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   335
        {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   336
            __PHYSFS_platformClose(fh);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   337
            return(0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   338
        } /* if */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   339
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   340
        entry->name[8] = '\0'; /* name might not be null-terminated in file. */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   341
        entry->size = PHYSFS_swapULE32(entry->size);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   342
        entry->startPos = PHYSFS_swapULE32(entry->startPos);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   343
    } /* for */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   344
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   345
    __PHYSFS_platformClose(fh);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   346
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   347
    __PHYSFS_sort(info->entries, info->entryCount,
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   348
                  wad_entry_cmp, wad_entry_swap);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   349
    return(1);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   350
} /* wad_load_entries */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   351
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   352
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   353
static void *WAD_openArchive(const char *name, int forWriting)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   354
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   355
    PHYSFS_sint64 modtime = __PHYSFS_platformGetLastModTime(name);
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   356
    WADinfo *info = malloc(sizeof (WADinfo));
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   357
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   358
    BAIL_IF_MACRO(info == NULL, ERR_OUT_OF_MEMORY, NULL);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   359
    memset(info, '\0', sizeof (WADinfo));
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   360
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   361
    info->filename = (char *) malloc(strlen(name) + 1);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   362
    if (info->filename == NULL)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   363
    {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   364
        __PHYSFS_setError(ERR_OUT_OF_MEMORY);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   365
        goto WAD_openArchive_failed;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   366
    } /* if */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   367
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   368
    if (!wad_load_entries(name, forWriting, info))
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   369
        goto WAD_openArchive_failed;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   370
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   371
    strcpy(info->filename, name);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   372
    info->last_mod_time = modtime;
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   373
    return(info);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   374
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   375
WAD_openArchive_failed:
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   376
    if (info != NULL)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   377
    {
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   378
        if (info->filename != NULL)
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   379
            free(info->filename);
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   380
        if (info->entries != NULL)
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   381
            free(info->entries);
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   382
        free(info);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   383
    } /* if */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   384
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   385
    return(NULL);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   386
} /* WAD_openArchive */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   387
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   388
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   389
static void WAD_enumerateFiles(dvoid *opaque, const char *dname,
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   390
                               int omitSymLinks, PHYSFS_StringCallback cb,
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   391
                               void *callbackdata)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   392
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   393
    WADinfo *info = ((WADinfo *) opaque);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   394
    WADentry *entry = info->entries;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   395
    PHYSFS_uint32 max = info->entryCount;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   396
    PHYSFS_uint32 i;
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   397
    const char *name;
610
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   398
    char *sep;
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   399
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   400
    if (*dname == '\0')  /* root directory enumeration? */
610
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   401
    {
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   402
        for (i = 0; i < max; i++, entry++)
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   403
        {
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   404
            name = entry->name;
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   405
            if (strchr(name, '/') == NULL)
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   406
                cb(callbackdata, name);
610
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   407
        } /* for */
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   408
    } /* if */
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   409
    else
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   410
    {
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   411
        for (i = 0; i < max; i++, entry++)
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   412
        {
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   413
            name = entry->name;
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   414
            sep = strchr(name, '/');
610
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   415
            if (sep != NULL)
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   416
            {
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   417
                if (strncmp(dname, name, (sep - name)) == 0)
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   418
                    cb(callbackdata, sep + 1);
610
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   419
            } /* if */
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   420
        } /* for */
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   421
    } /* else */
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   422
} /* WAD_enumerateFiles */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   423
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   424
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   425
static WADentry *wad_find_entry(WADinfo *info, const char *name)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   426
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   427
    WADentry *a = info->entries;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   428
    PHYSFS_sint32 lo = 0;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   429
    PHYSFS_sint32 hi = (PHYSFS_sint32) (info->entryCount - 1);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   430
    PHYSFS_sint32 middle;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   431
    int rc;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   432
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   433
    while (lo <= hi)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   434
    {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   435
        middle = lo + ((hi - lo) / 2);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   436
        rc = strcmp(name, a[middle].name);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   437
        if (rc == 0)  /* found it! */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   438
            return(&a[middle]);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   439
        else if (rc > 0)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   440
            lo = middle + 1;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   441
        else
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   442
            hi = middle - 1;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   443
    } /* while */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   444
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   445
    BAIL_MACRO(ERR_NO_SUCH_FILE, NULL);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   446
} /* wad_find_entry */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   447
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   448
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   449
static int WAD_exists(dvoid *opaque, const char *name)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   450
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   451
    return(wad_find_entry(((WADinfo *) opaque), name) != NULL);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   452
} /* WAD_exists */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   453
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   454
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   455
static int WAD_isDirectory(dvoid *opaque, const char *name, int *fileExists)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   456
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   457
    WADentry *entry = wad_find_entry(((WADinfo *) opaque), name);
610
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   458
    if (entry != NULL)
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   459
    {
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   460
        char *n;
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   461
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   462
        *fileExists = 1;
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   463
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   464
        /* Can't be a directory if it's a subdirectory. */
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   465
        if (strchr(entry->name, '/') != NULL)
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   466
            return(0);
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   467
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   468
        /* Check if it matches "MAP??" or "E?M?" ... */
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   469
        n = entry->name;
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   470
        if ((n[0] == 'E' && n[2] == 'M') ||
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   471
            (n[0] == 'M' && n[1] == 'A' && n[2] == 'P' && n[6] == 0))
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   472
        {
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   473
            return(1);
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   474
        } /* if */
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   475
        return(0);
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   476
    } /* if */
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   477
    else
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   478
    {
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   479
        *fileExists = 0;
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   480
        return(0);
1d8057a5d08e Says Travis Wells:
Ryan C. Gordon <icculus@icculus.org>
parents: 609
diff changeset
   481
    } /* else */
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   482
} /* WAD_isDirectory */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   483
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   484
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   485
static int WAD_isSymLink(dvoid *opaque, const char *name, int *fileExists)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   486
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   487
    *fileExists = WAD_exists(opaque, name);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   488
    return(0);  /* never symlinks in a wad. */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   489
} /* WAD_isSymLink */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   490
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   491
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   492
static PHYSFS_sint64 WAD_getLastModTime(dvoid *opaque,
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   493
                                        const char *name,
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   494
                                        int *fileExists)
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   495
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   496
    WADinfo *info = ((WADinfo *) opaque);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   497
    PHYSFS_sint64 retval = -1;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   498
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   499
    *fileExists = (wad_find_entry(info, name) != NULL);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   500
    if (*fileExists)  /* use time of WAD itself in the physical filesystem. */
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   501
        retval = info->last_mod_time;
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   502
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   503
    return(retval);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   504
} /* WAD_getLastModTime */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   505
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   506
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   507
static fvoid *WAD_openRead(dvoid *opaque, const char *fnm, int *fileExists)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   508
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 622
diff changeset
   509
    WADinfo *info = ((WADinfo *) opaque);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   510
    WADfileinfo *finfo;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   511
    WADentry *entry;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   512
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   513
    entry = wad_find_entry(info, fnm);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   514
    *fileExists = (entry != NULL);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   515
    BAIL_IF_MACRO(entry == NULL, NULL, NULL);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   516
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   517
    finfo = (WADfileinfo *) malloc(sizeof (WADfileinfo));
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   518
    BAIL_IF_MACRO(finfo == NULL, ERR_OUT_OF_MEMORY, NULL);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   519
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   520
    finfo->handle = __PHYSFS_platformOpenRead(info->filename);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   521
    if ( (finfo->handle == NULL) ||
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   522
         (!__PHYSFS_platformSeek(finfo->handle, entry->startPos)) )
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   523
    {
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   524
        free(finfo);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   525
        return(NULL);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   526
    } /* if */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   527
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   528
    finfo->curPos = 0;
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   529
    finfo->entry = entry;
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   530
    return(finfo);
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   531
} /* WAD_openRead */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   532
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   533
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   534
static fvoid *WAD_openWrite(dvoid *opaque, const char *name)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   535
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   536
    BAIL_MACRO(ERR_NOT_SUPPORTED, NULL);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   537
} /* WAD_openWrite */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   538
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   539
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   540
static fvoid *WAD_openAppend(dvoid *opaque, const char *name)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   541
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   542
    BAIL_MACRO(ERR_NOT_SUPPORTED, NULL);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   543
} /* WAD_openAppend */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   544
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   545
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   546
static int WAD_remove(dvoid *opaque, const char *name)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   547
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   548
    BAIL_MACRO(ERR_NOT_SUPPORTED, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   549
} /* WAD_remove */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   550
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   551
650
298b8bb26775 Did the same thing to FileHandles than I did to DirHandles, but this
Ryan C. Gordon <icculus@icculus.org>
parents: 648
diff changeset
   552
static int WAD_mkdir(dvoid *opaque, const char *name)
609
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   553
{
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   554
    BAIL_MACRO(ERR_NOT_SUPPORTED, 0);
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   555
} /* WAD_mkdir */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   556
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   557
#endif  /* defined PHYSFS_SUPPORTS_WAD */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   558
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   559
/* end of wad.c ... */
3a91332776e0 Added Doom WAD support.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   560