diff options
Diffstat (limited to 'Source/3rdParty/physfs/physfs_archiver_slb.c')
| -rw-r--r-- | Source/3rdParty/physfs/physfs_archiver_slb.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/Source/3rdParty/physfs/physfs_archiver_slb.c b/Source/3rdParty/physfs/physfs_archiver_slb.c deleted file mode 100644 index 4fc28d4..0000000 --- a/Source/3rdParty/physfs/physfs_archiver_slb.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * SLB support routines for PhysicsFS. - * - * This driver handles SLB archives ("slab files"). This uncompressed format - * is used in I-War / Independence War and Independence War: Defiance. - * - * The format begins with four zero bytes (version?), the file count and the - * location of the table of contents. Each ToC entry contains a 64-byte buffer - * containing a zero-terminated filename, the offset of the data, and its size. - * All the filenames begin with the separator character '\'. - * - * Please see the file LICENSE.txt in the source's root directory. - * - * This file written by Aleksi Nurmi, based on the GRP archiver by - * Ryan C. Gordon. - */ - -#define __PHYSICSFS_INTERNAL__ -#include "physfs_internal.h" - -#if PHYSFS_SUPPORTS_SLB - -static int slbLoadEntries(PHYSFS_Io *io, const PHYSFS_uint32 count, void *arc) -{ - PHYSFS_uint32 i; - for (i = 0; i < count; i++) - { - PHYSFS_uint32 pos; - PHYSFS_uint32 size; - char name[64]; - char backslash; - char *ptr; - - /* don't include the '\' in the beginning */ - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &backslash, 1), 0); - BAIL_IF(backslash != '\\', PHYSFS_ERR_CORRUPT, 0); - - /* read the rest of the buffer, 63 bytes */ - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &name, 63), 0); - name[63] = '\0'; /* in case the name lacks the null terminator */ - - /* convert backslashes */ - for (ptr = name; *ptr; ptr++) - { - if (*ptr == '\\') - *ptr = '/'; - } /* for */ - - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &pos, 4), 0); - pos = PHYSFS_swapULE32(pos); - - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &size, 4), 0); - size = PHYSFS_swapULE32(size); - - BAIL_IF_ERRPASS(!UNPK_addEntry(arc, name, 0, -1, -1, pos, size), 0); - } /* for */ - - return 1; -} /* slbLoadEntries */ - - -static void *SLB_openArchive(PHYSFS_Io *io, const char *name, - int forWriting, int *claimed) -{ - PHYSFS_uint32 version; - PHYSFS_uint32 count; - PHYSFS_uint32 tocPos; - void *unpkarc; - - /* There's no identifier on an SLB file, so we assume it's _not_ if the - file count or tocPos is zero. Beyond that, we'll assume it's - bogus/corrupt if the entries' filenames don't start with '\' or the - tocPos is past the end of the file (seek will fail). This probably - covers all meaningful cases where we would accidentally accept a non-SLB - file with this archiver. */ - - assert(io != NULL); /* shouldn't ever happen. */ - - BAIL_IF(forWriting, PHYSFS_ERR_READ_ONLY, NULL); - - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &version, sizeof (version)), NULL); - version = PHYSFS_swapULE32(version); - BAIL_IF(version != 0, PHYSFS_ERR_UNSUPPORTED, NULL); - - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &count, sizeof (count)), NULL); - count = PHYSFS_swapULE32(count); - BAIL_IF(!count, PHYSFS_ERR_UNSUPPORTED, NULL); - - /* offset of the table of contents */ - BAIL_IF_ERRPASS(!__PHYSFS_readAll(io, &tocPos, sizeof (tocPos)), NULL); - tocPos = PHYSFS_swapULE32(tocPos); - BAIL_IF(!tocPos, PHYSFS_ERR_UNSUPPORTED, NULL); - - /* seek to the table of contents */ - BAIL_IF_ERRPASS(!io->seek(io, tocPos), NULL); - - unpkarc = UNPK_openArchive(io); - BAIL_IF_ERRPASS(!unpkarc, NULL); - - if (!slbLoadEntries(io, count, unpkarc)) - { - UNPK_abandonArchive(unpkarc); - return NULL; - } /* if */ - - *claimed = 1; /* oh well. */ - - return unpkarc; -} /* SLB_openArchive */ - - -const PHYSFS_Archiver __PHYSFS_Archiver_SLB = -{ - CURRENT_PHYSFS_ARCHIVER_API_VERSION, - { - "SLB", - "I-War / Independence War Slab file", - "Aleksi Nurmi <aleksi.nurmi@gmail.com>", - "https://bitbucket.org/ahnurmi/", - 0, /* supportsSymlinks */ - }, - SLB_openArchive, - UNPK_enumerate, - UNPK_openRead, - UNPK_openWrite, - UNPK_openAppend, - UNPK_remove, - UNPK_mkdir, - UNPK_stat, - UNPK_closeArchive -}; - -#endif /* defined PHYSFS_SUPPORTS_SLB */ - -/* end of physfs_archiver_slb.c ... */ |