archivers/qpak.c
author Ryan C. Gordon <icculus@icculus.org>
Thu, 16 Dec 2004 16:20:46 +0000
changeset 669 66a1058b803d
parent 658 1981818c6170
child 678 73a2641375a0
permissions -rw-r--r--
Fixed some documentation/header comment typos (thanks, Gaetan!)
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/*
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 * QPAK support routines for PhysicsFS.
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 *
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 *  This archiver handles the archive format utilized by Quake 1 and 2.
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 *  Quake3-based games use the PkZip/Info-Zip format (which our zip.c
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 *  archiver handles).
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 *
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 *  ========================================================================
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 *
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 *  This format info (in more detail) comes from:
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 *     http://debian.fmi.uni-sofia.bg/~sergei/cgsr/docs/pak.txt
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 *
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 *  Quake PAK Format
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 *
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 *  Header
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 *   (4 bytes)  signature = 'PACK'
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 *   (4 bytes)  directory offset
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 *   (4 bytes)  directory length
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 *
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 *  Directory
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 *   (56 bytes) file name
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 *   (4 bytes)  file position
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 *   (4 bytes)  file length
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 *
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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 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_QPAK)
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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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#if 1  /* Make this case insensitive? */
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#define QPAK_strcmp(x, y) __PHYSFS_platformStricmp(x, y)
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#define QPAK_strncmp(x, y, z) __PHYSFS_platformStrnicmp(x, y, z)
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#else
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#define QPAK_strcmp(x, y) strcmp(x, y)
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#define QPAK_strncmp(x, y, z) strncmp(x, y, z)
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#endif
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typedef struct
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{
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    char name[56];
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    PHYSFS_uint32 startPos;
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    PHYSFS_uint32 size;
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} QPAKentry;
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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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    QPAKentry *entries;
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} QPAKinfo;
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typedef struct
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{
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    void *handle;
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    QPAKentry *entry;
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    PHYSFS_uint32 curPos;
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} QPAKfileinfo;
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/* Magic numbers... */
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#define QPAK_SIGNATURE 0x4b434150   /* "PACK" in ASCII. */
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static void QPAK_dirClose(dvoid *opaque)
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{
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    QPAKinfo *info = ((QPAKinfo *) opaque);
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    free(info->filename);
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    free(info->entries);
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    free(info);
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} /* QPAK_dirClose */
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static PHYSFS_sint64 QPAK_read(fvoid *opaque, void *buffer,
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                              PHYSFS_uint32 objSize, PHYSFS_uint32 objCount)
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{
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    QPAKfileinfo *finfo = (QPAKfileinfo *) opaque;
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    QPAKentry *entry = finfo->entry;
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    PHYSFS_uint32 bytesLeft = entry->size - finfo->curPos;
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    PHYSFS_uint32 objsLeft = (bytesLeft / objSize);
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    PHYSFS_sint64 rc;
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    if (objsLeft < objCount)
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        objCount = objsLeft;
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    rc = __PHYSFS_platformRead(finfo->handle, buffer, objSize, objCount);
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    if (rc > 0)
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        finfo->curPos += (PHYSFS_uint32) (rc * objSize);
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    return(rc);
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} /* QPAK_read */
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static PHYSFS_sint64 QPAK_write(fvoid *opaque, const void *buffer,
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                               PHYSFS_uint32 objSize, PHYSFS_uint32 objCount)
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{
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    BAIL_MACRO(ERR_NOT_SUPPORTED, -1);
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} /* QPAK_write */
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static int QPAK_eof(fvoid *opaque)
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{
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    QPAKfileinfo *finfo = (QPAKfileinfo *) opaque;
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    QPAKentry *entry = finfo->entry;
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    return(finfo->curPos >= entry->size);
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} /* QPAK_eof */
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static PHYSFS_sint64 QPAK_tell(fvoid *opaque)
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{
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    return(((QPAKfileinfo *) opaque)->curPos);
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} /* QPAK_tell */
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static int QPAK_seek(fvoid *opaque, PHYSFS_uint64 offset)
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{
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    QPAKfileinfo *finfo = (QPAKfileinfo *) opaque;
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    QPAKentry *entry = finfo->entry;
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    int rc;
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    BAIL_IF_MACRO(offset < 0, ERR_INVALID_ARGUMENT, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   138
    BAIL_IF_MACRO(offset >= entry->size, ERR_PAST_EOF, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   139
    rc = __PHYSFS_platformSeek(finfo->handle, entry->startPos + offset);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   140
    if (rc)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   141
        finfo->curPos = (PHYSFS_uint32) offset;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   142
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   143
    return(rc);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   144
} /* QPAK_seek */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   145
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   146
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
   147
static PHYSFS_sint64 QPAK_fileLength(fvoid *opaque)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   148
{
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
   149
    QPAKfileinfo *finfo = (QPAKfileinfo *) opaque;
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   150
    return((PHYSFS_sint64) finfo->entry->size);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   151
} /* QPAK_fileLength */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   152
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   153
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
   154
static int QPAK_fileClose(fvoid *opaque)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   155
{
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
   156
    QPAKfileinfo *finfo = (QPAKfileinfo *) opaque;
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   157
    BAIL_IF_MACRO(!__PHYSFS_platformClose(finfo->handle), NULL, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   158
    free(finfo);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   159
    return(1);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   160
} /* QPAK_fileClose */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   161
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   162
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   163
static int qpak_open(const char *filename, int forWriting,
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   164
                    void **fh, PHYSFS_uint32 *count)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   165
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   166
    PHYSFS_uint32 buf;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   167
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   168
    *fh = NULL;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   169
    BAIL_IF_MACRO(forWriting, ERR_ARC_IS_READ_ONLY, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   170
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   171
    *fh = __PHYSFS_platformOpenRead(filename);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   172
    BAIL_IF_MACRO(*fh == NULL, NULL, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   173
    
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   174
    if (__PHYSFS_platformRead(*fh, &buf, sizeof (PHYSFS_uint32), 1) != 1)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   175
        goto openQpak_failed;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   176
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   177
    buf = PHYSFS_swapULE32(buf);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   178
    if (buf != QPAK_SIGNATURE)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   179
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   180
        __PHYSFS_setError(ERR_UNSUPPORTED_ARCHIVE);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   181
        goto openQpak_failed;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   182
    } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   183
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   184
    if (__PHYSFS_platformRead(*fh, &buf, sizeof (PHYSFS_uint32), 1) != 1)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   185
        goto openQpak_failed;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   186
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   187
    buf = PHYSFS_swapULE32(buf);  /* directory table offset. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   188
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   189
    if (__PHYSFS_platformRead(*fh, count, sizeof (PHYSFS_uint32), 1) != 1)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   190
        goto openQpak_failed;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   191
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   192
    *count = PHYSFS_swapULE32(*count);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   193
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   194
    if ((*count % 64) != 0)  /* corrupted archive? */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   195
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   196
        __PHYSFS_setError(ERR_CORRUPTED);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   197
        goto openQpak_failed;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   198
    } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   199
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   200
    if (!__PHYSFS_platformSeek(*fh, buf))
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   201
        goto openQpak_failed;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   202
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   203
    *count /= 64;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   204
    return(1);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   205
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   206
openQpak_failed:
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   207
    if (*fh != NULL)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   208
        __PHYSFS_platformClose(*fh);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   209
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   210
    *count = -1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   211
    *fh = NULL;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   212
    return(0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   213
} /* qpak_open */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   214
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   215
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   216
static int QPAK_isArchive(const char *filename, int forWriting)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   217
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   218
    void *fh;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   219
    PHYSFS_uint32 fileCount;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   220
    int retval = qpak_open(filename, forWriting, &fh, &fileCount);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   221
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   222
    if (fh != NULL)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   223
        __PHYSFS_platformClose(fh);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   224
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   225
    return(retval);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   226
} /* QPAK_isArchive */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   227
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   228
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   229
static int qpak_entry_cmp(void *_a, PHYSFS_uint32 one, PHYSFS_uint32 two)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   230
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   231
    QPAKentry *a = (QPAKentry *) _a;
597
e84664806f86 Made QPAK archiver case insensitive again.
Ryan C. Gordon <icculus@icculus.org>
parents: 589
diff changeset
   232
    return(QPAK_strcmp(a[one].name, a[two].name));
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   233
} /* qpak_entry_cmp */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   234
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   235
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   236
static void qpak_entry_swap(void *_a, PHYSFS_uint32 one, PHYSFS_uint32 two)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   237
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   238
    QPAKentry tmp;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   239
    QPAKentry *first = &(((QPAKentry *) _a)[one]);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   240
    QPAKentry *second = &(((QPAKentry *) _a)[two]);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   241
    memcpy(&tmp, first, sizeof (QPAKentry));
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   242
    memcpy(first, second, sizeof (QPAKentry));
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   243
    memcpy(second, &tmp, sizeof (QPAKentry));
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   244
} /* qpak_entry_swap */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   245
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   246
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   247
static int qpak_load_entries(const char *name, int forWriting, QPAKinfo *info)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   248
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   249
    void *fh = NULL;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   250
    PHYSFS_uint32 fileCount;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   251
    QPAKentry *entry;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   252
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   253
    BAIL_IF_MACRO(!qpak_open(name, forWriting, &fh, &fileCount), NULL, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   254
    info->entryCount = fileCount;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   255
    info->entries = (QPAKentry *) malloc(sizeof (QPAKentry) * fileCount);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   256
    if (info->entries == NULL)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   257
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   258
        __PHYSFS_platformClose(fh);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   259
        BAIL_MACRO(ERR_OUT_OF_MEMORY, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   260
    } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   261
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   262
    for (entry = info->entries; fileCount > 0; fileCount--, entry++)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   263
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   264
        PHYSFS_uint32 loc;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   265
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   266
        if (__PHYSFS_platformRead(fh,&entry->name,sizeof(entry->name),1) != 1)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   267
        {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   268
            __PHYSFS_platformClose(fh);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   269
            return(0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   270
        } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   271
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   272
        if (__PHYSFS_platformRead(fh,&loc,sizeof(loc),1) != 1)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   273
        {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   274
            __PHYSFS_platformClose(fh);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   275
            return(0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   276
        } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   277
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   278
        if (__PHYSFS_platformRead(fh,&entry->size,sizeof(entry->size),1) != 1)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   279
        {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   280
            __PHYSFS_platformClose(fh);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   281
            return(0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   282
        } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   283
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   284
        entry->size = PHYSFS_swapULE32(entry->size);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   285
        entry->startPos = PHYSFS_swapULE32(loc);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   286
    } /* for */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   287
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   288
    __PHYSFS_platformClose(fh);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   289
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   290
    __PHYSFS_sort(info->entries, info->entryCount,
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   291
                  qpak_entry_cmp, qpak_entry_swap);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   292
    return(1);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   293
} /* qpak_load_entries */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   294
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   295
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   296
static void *QPAK_openArchive(const char *name, int forWriting)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   297
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   298
    QPAKinfo *info = malloc(sizeof (QPAKinfo));
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   299
    PHYSFS_sint64 modtime = __PHYSFS_platformGetLastModTime(name);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   300
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   301
    BAIL_IF_MACRO(info == NULL, ERR_OUT_OF_MEMORY, NULL);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   302
    memset(info, '\0', sizeof (QPAKinfo));
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   303
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   304
    info->filename = (char *) malloc(strlen(name) + 1);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   305
    if (info->filename == NULL)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   306
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   307
        __PHYSFS_setError(ERR_OUT_OF_MEMORY);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   308
        goto QPAK_openArchive_failed;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   309
    } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   310
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   311
    if (!qpak_load_entries(name, forWriting, info))
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   312
        goto QPAK_openArchive_failed;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   313
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   314
    strcpy(info->filename, name);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   315
    info->last_mod_time = modtime;
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   316
    return(info);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   317
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   318
QPAK_openArchive_failed:
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   319
    if (info != NULL)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   320
    {
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   321
        if (info->filename != NULL)
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   322
            free(info->filename);
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   323
        if (info->entries != NULL)
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   324
            free(info->entries);
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   325
        free(info);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   326
    } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   327
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   328
    return(NULL);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   329
} /* QPAK_openArchive */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   330
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   331
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   332
static PHYSFS_sint32 qpak_find_start_of_dir(QPAKinfo *info, const char *path,
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   333
                                            int stop_on_first_find)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   334
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   335
    PHYSFS_sint32 lo = 0;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   336
    PHYSFS_sint32 hi = (PHYSFS_sint32) (info->entryCount - 1);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   337
    PHYSFS_sint32 middle;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   338
    PHYSFS_uint32 dlen = strlen(path);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   339
    PHYSFS_sint32 retval = -1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   340
    const char *name;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   341
    int rc;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   342
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   343
    if (*path == '\0')  /* root dir? */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   344
        return(0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   345
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   346
    if ((dlen > 0) && (path[dlen - 1] == '/')) /* ignore trailing slash. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   347
        dlen--;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   348
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   349
    while (lo <= hi)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   350
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   351
        middle = lo + ((hi - lo) / 2);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   352
        name = info->entries[middle].name;
597
e84664806f86 Made QPAK archiver case insensitive again.
Ryan C. Gordon <icculus@icculus.org>
parents: 589
diff changeset
   353
        rc = QPAK_strncmp(path, name, dlen);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   354
        if (rc == 0)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   355
        {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   356
            char ch = name[dlen];
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   357
            if (ch < '/') /* make sure this isn't just a substr match. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   358
                rc = -1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   359
            else if (ch > '/')
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   360
                rc = 1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   361
            else 
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   362
            {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   363
                if (stop_on_first_find) /* Just checking dir's existance? */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   364
                    return(middle);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   365
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   366
                if (name[dlen + 1] == '\0') /* Skip initial dir entry. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   367
                    return(middle + 1);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   368
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   369
                /* there might be more entries earlier in the list. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   370
                retval = middle;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   371
                hi = middle - 1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   372
            } /* else */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   373
        } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   374
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   375
        if (rc > 0)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   376
            lo = middle + 1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   377
        else
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   378
            hi = middle - 1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   379
    } /* while */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   380
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   381
    return(retval);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   382
} /* qpak_find_start_of_dir */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   383
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   384
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   385
/*
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   386
 * Moved to seperate function so we can use alloca then immediately throw
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   387
 *  away the allocated stack space...
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   388
 */
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 doEnumCallback(PHYSFS_StringCallback cb, void *callbackdata,
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   390
                           const char *str, PHYSFS_sint32 ln)
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   391
{
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   392
    char *newstr = alloca(ln + 1);
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   393
    if (newstr == NULL)
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   394
        return;
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   395
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   396
    memcpy(newstr, str, ln);
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   397
    newstr[ln] = '\0';
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   398
    cb(callbackdata, newstr);
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   399
} /* doEnumCallback */
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   400
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   401
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   402
static void QPAK_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
   403
                                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
   404
                                void *callbackdata)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   405
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   406
    QPAKinfo *info = ((QPAKinfo *) opaque);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   407
    PHYSFS_sint32 dlen, dlen_inc, max, i;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   408
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   409
    i = qpak_find_start_of_dir(info, dname, 0);
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   410
    if (i == -1)  /* no such directory. */
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   411
        return;
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
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
    dlen = strlen(dname);
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   414
    if ((dlen > 0) && (dname[dlen - 1] == '/')) /* ignore trailing slash. */
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   415
        dlen--;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   416
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   417
    dlen_inc = ((dlen > 0) ? 1 : 0) + dlen;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   418
    max = (PHYSFS_sint32) info->entryCount;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   419
    while (i < max)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   420
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   421
        char *add;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   422
        char *ptr;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   423
        PHYSFS_sint32 ln;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   424
        char *e = info->entries[i].name;
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   425
        if ((dlen) && ((QPAK_strncmp(e, dname, dlen)) || (e[dlen] != '/')))
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   426
            break;  /* past end of this dir; we're done. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   427
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   428
        add = e + dlen_inc;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   429
        ptr = strchr(add, '/');
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   430
        ln = (PHYSFS_sint32) ((ptr) ? ptr-add : strlen(add));
657
dad3b5c307a9 Added callback APIs and ripped up the internals everywhere to use them.
Ryan C. Gordon <icculus@icculus.org>
parents: 650
diff changeset
   431
        doEnumCallback(cb, callbackdata, add, ln);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   432
        ln += dlen_inc;  /* point past entry to children... */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   433
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   434
        /* increment counter and skip children of subdirs... */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   435
        while ((++i < max) && (ptr != NULL))
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   436
        {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   437
            char *e_new = info->entries[i].name;
597
e84664806f86 Made QPAK archiver case insensitive again.
Ryan C. Gordon <icculus@icculus.org>
parents: 589
diff changeset
   438
            if ((QPAK_strncmp(e, e_new, ln) != 0) || (e_new[ln] != '/'))
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   439
                break;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   440
        } /* while */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   441
    } /* while */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   442
} /* QPAK_enumerateFiles */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   443
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   444
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   445
/*
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   446
 * This will find the QPAKentry associated with a path in platform-independent
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   447
 *  notation. Directories don't have QPAKentries associated with them, but 
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   448
 *  (*isDir) will be set to non-zero if a dir was hit.
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   449
 */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   450
static QPAKentry *qpak_find_entry(QPAKinfo *info, const char *path, int *isDir)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   451
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   452
    QPAKentry *a = info->entries;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   453
    PHYSFS_sint32 pathlen = strlen(path);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   454
    PHYSFS_sint32 lo = 0;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   455
    PHYSFS_sint32 hi = (PHYSFS_sint32) (info->entryCount - 1);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   456
    PHYSFS_sint32 middle;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   457
    const char *thispath = NULL;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   458
    int rc;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   459
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   460
    while (lo <= hi)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   461
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   462
        middle = lo + ((hi - lo) / 2);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   463
        thispath = a[middle].name;
597
e84664806f86 Made QPAK archiver case insensitive again.
Ryan C. Gordon <icculus@icculus.org>
parents: 589
diff changeset
   464
        rc = QPAK_strncmp(path, thispath, pathlen);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   465
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   466
        if (rc > 0)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   467
            lo = middle + 1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   468
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   469
        else if (rc < 0)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   470
            hi = middle - 1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   471
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   472
        else /* substring match...might be dir or entry or nothing. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   473
        {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   474
            if (isDir != NULL)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   475
            {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   476
                *isDir = (thispath[pathlen] == '/');
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   477
                if (*isDir)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   478
                    return(NULL);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   479
            } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   480
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   481
            if (thispath[pathlen] == '\0') /* found entry? */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   482
                return(&a[middle]);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   483
            else
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   484
                hi = middle - 1;  /* adjust search params, try again. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   485
        } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   486
    } /* while */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   487
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   488
    if (isDir != NULL)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   489
        *isDir = 0;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   490
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   491
    BAIL_MACRO(ERR_NO_SUCH_FILE, NULL);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   492
} /* qpak_find_entry */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   493
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   494
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
   495
static int QPAK_exists(dvoid *opaque, const char *name)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   496
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   497
    int isDir;    
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   498
    QPAKinfo *info = (QPAKinfo *) opaque;
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   499
    QPAKentry *entry = qpak_find_entry(info, name, &isDir);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   500
    return((entry != NULL) || (isDir));
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   501
} /* QPAK_exists */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   502
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   503
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
   504
static int QPAK_isDirectory(dvoid *opaque, const char *name, int *fileExists)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   505
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   506
    QPAKinfo *info = (QPAKinfo *) opaque;
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   507
    int isDir;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   508
    QPAKentry *entry = qpak_find_entry(info, name, &isDir);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   509
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   510
    *fileExists = ((isDir) || (entry != NULL));
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   511
    if (isDir)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   512
        return(1); /* definitely a dir. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   513
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   514
    BAIL_MACRO(ERR_NO_SUCH_FILE, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   515
} /* QPAK_isDirectory */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   516
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   517
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
static int QPAK_isSymLink(dvoid *opaque, const char *name, int *fileExists)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   519
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   520
    *fileExists = QPAK_exists(opaque, name);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   521
    return(0);  /* never symlinks in a quake pak. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   522
} /* QPAK_isSymLink */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   523
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   524
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
   525
static PHYSFS_sint64 QPAK_getLastModTime(dvoid *opaque,
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   526
                                        const char *name,
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   527
                                        int *fileExists)
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   528
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   529
    int isDir;
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   530
    QPAKinfo *info = ((QPAKinfo *) opaque);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   531
    PHYSFS_sint64 retval = -1;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   532
    QPAKentry *entry = qpak_find_entry(info, name, &isDir);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   533
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   534
    *fileExists = ((isDir) || (entry != NULL));
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   535
    if (*fileExists)  /* use time of QPAK itself in the physical filesystem. */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   536
        retval = info->last_mod_time;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   537
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   538
    return(retval);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   539
} /* QPAK_getLastModTime */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   540
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   541
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
   542
static fvoid *QPAK_openRead(dvoid *opaque, const char *fnm, int *fileExists)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   543
{
648
5c993684b8f2 Cleaned up archiver interface to not deal with DirHandles anymore,
Ryan C. Gordon <icculus@icculus.org>
parents: 597
diff changeset
   544
    QPAKinfo *info = ((QPAKinfo *) opaque);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   545
    QPAKfileinfo *finfo;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   546
    QPAKentry *entry;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   547
    int isDir;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   548
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   549
    entry = qpak_find_entry(info, fnm, &isDir);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   550
    *fileExists = ((entry != NULL) || (isDir));
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   551
    BAIL_IF_MACRO(isDir, ERR_NOT_A_FILE, NULL);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   552
    BAIL_IF_MACRO(entry == NULL, ERR_NO_SUCH_FILE, NULL);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   553
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   554
    finfo = (QPAKfileinfo *) malloc(sizeof (QPAKfileinfo));
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
   555
    BAIL_IF_MACRO(finfo == NULL, ERR_OUT_OF_MEMORY, NULL);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   556
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   557
    finfo->handle = __PHYSFS_platformOpenRead(info->filename);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   558
    if ( (finfo->handle == NULL) ||
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   559
         (!__PHYSFS_platformSeek(finfo->handle, entry->startPos)) )
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   560
    {
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   561
        free(finfo);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   562
        return(NULL);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   563
    } /* if */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   564
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   565
    finfo->curPos = 0;
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   566
    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
   567
    return(finfo);
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   568
} /* QPAK_openRead */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   569
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   570
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
   571
static fvoid *QPAK_openWrite(dvoid *opaque, const char *name)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   572
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   573
    BAIL_MACRO(ERR_NOT_SUPPORTED, NULL);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   574
} /* QPAK_openWrite */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   575
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   576
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
   577
static fvoid *QPAK_openAppend(dvoid *opaque, const char *name)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   578
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   579
    BAIL_MACRO(ERR_NOT_SUPPORTED, NULL);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   580
} /* QPAK_openAppend */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   582
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
   583
static int QPAK_remove(dvoid *opaque, const char *name)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   584
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   585
    BAIL_MACRO(ERR_NOT_SUPPORTED, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   586
} /* QPAK_remove */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   587
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   588
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
   589
static int QPAK_mkdir(dvoid *opaque, const char *name)
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   590
{
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   591
    BAIL_MACRO(ERR_NOT_SUPPORTED, 0);
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   592
} /* QPAK_mkdir */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   593
658
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   594
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   595
const PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_QPAK =
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   596
{
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   597
    "PAK",
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   598
    QPAK_ARCHIVE_DESCRIPTION,
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   599
    "Ryan C. Gordon <icculus@clutteredmind.org>",
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   600
    "http://icculus.org/physfs/",
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   601
};
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   602
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   603
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   604
const PHYSFS_Archiver __PHYSFS_Archiver_QPAK =
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   605
{
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   606
    &__PHYSFS_ArchiveInfo_QPAK,
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   607
    QPAK_isArchive,          /* isArchive() method      */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   608
    QPAK_openArchive,        /* openArchive() method    */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   609
    QPAK_enumerateFiles,     /* enumerateFiles() method */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   610
    QPAK_exists,             /* exists() method         */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   611
    QPAK_isDirectory,        /* isDirectory() method    */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   612
    QPAK_isSymLink,          /* isSymLink() method      */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   613
    QPAK_getLastModTime,     /* getLastModTime() method */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   614
    QPAK_openRead,           /* openRead() method       */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   615
    QPAK_openWrite,          /* openWrite() method      */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   616
    QPAK_openAppend,         /* openAppend() method     */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   617
    QPAK_remove,             /* remove() method         */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   618
    QPAK_mkdir,              /* mkdir() method          */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   619
    QPAK_dirClose,           /* dirClose() method       */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   620
    QPAK_read,               /* read() method           */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   621
    QPAK_write,              /* write() method          */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   622
    QPAK_eof,                /* eof() method            */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   623
    QPAK_tell,               /* tell() method           */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   624
    QPAK_seek,               /* seek() method           */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   625
    QPAK_fileLength,         /* fileLength() method     */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   626
    QPAK_fileClose           /* fileClose() method      */
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   627
};
1981818c6170 Removed all the forward declaration cruft from the archivers.
Ryan C. Gordon <icculus@icculus.org>
parents: 657
diff changeset
   628
581
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   629
#endif  /* defined PHYSFS_SUPPORTS_QPAK */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   630
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   631
/* end of qpak.c ... */
712fedcbf02c Reimplemented qpak.c for relicensing.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
   632