diff -r 0135e64c6c66 -r c4fd2813b127 misc/libphysfs/archiver_mvl.c --- a/misc/libphysfs/archiver_mvl.c Wed May 16 18:22:28 2018 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,105 +0,0 @@ -/* - * MVL support routines for PhysicsFS. - * - * This driver handles Descent II Movielib archives. - * - * The file format of MVL is quite easy... - * - * //MVL File format - Written by Heiko Herrmann - * char sig[4] = {'D','M', 'V', 'L'}; // "DMVL"=Descent MoVie Library - * - * int num_files; // the number of files in this MVL - * - * struct { - * char file_name[13]; // Filename, padded to 13 bytes with 0s - * int file_size; // filesize in bytes - * }DIR_STRUCT[num_files]; - * - * struct { - * char data[file_size]; // The file data - * }FILE_STRUCT[num_files]; - * - * (That info is from http://www.descent2.com/ddn/specs/mvl/) - * - * Please see the file LICENSE.txt in the source's root directory. - * - * This file written by Bradley Bell. - * Based on grp.c by Ryan C. Gordon. - */ - -#define __PHYSICSFS_INTERNAL__ -#include "physfs_internal.h" - -#if PHYSFS_SUPPORTS_MVL - -static UNPKentry *mvlLoadEntries(PHYSFS_Io *io, PHYSFS_uint32 fileCount) -{ - PHYSFS_uint32 location = 8; /* sizeof sig. */ - UNPKentry *entries = NULL; - UNPKentry *entry = NULL; - - entries = (UNPKentry *) allocator.Malloc(sizeof (UNPKentry) * fileCount); - BAIL_IF_MACRO(entries == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL); - - location += (17 * fileCount); - - for (entry = entries; fileCount > 0; fileCount--, entry++) - { - if (!__PHYSFS_readAll(io, &entry->name, 13)) goto failed; - if (!__PHYSFS_readAll(io, &entry->size, 4)) goto failed; - entry->size = PHYSFS_swapULE32(entry->size); - entry->startPos = location; - location += entry->size; - } /* for */ - - return entries; - -failed: - allocator.Free(entries); - return NULL; -} /* mvlLoadEntries */ - - -static void *MVL_openArchive(PHYSFS_Io *io, const char *name, int forWriting) -{ - PHYSFS_uint8 buf[4]; - PHYSFS_uint32 count = 0; - UNPKentry *entries = NULL; - - assert(io != NULL); /* shouldn't ever happen. */ - BAIL_IF_MACRO(forWriting, PHYSFS_ERR_READ_ONLY, NULL); - BAIL_IF_MACRO(!__PHYSFS_readAll(io, buf, 4), ERRPASS, NULL); - BAIL_IF_MACRO(memcmp(buf, "DMVL", 4) != 0, PHYSFS_ERR_UNSUPPORTED, NULL); - BAIL_IF_MACRO(!__PHYSFS_readAll(io, &count, sizeof(count)), ERRPASS, NULL); - - count = PHYSFS_swapULE32(count); - entries = mvlLoadEntries(io, count); - return (!entries) ? NULL : UNPK_openArchive(io, entries, count); -} /* MVL_openArchive */ - - -const PHYSFS_Archiver __PHYSFS_Archiver_MVL = -{ - CURRENT_PHYSFS_ARCHIVER_API_VERSION, - { - "MVL", - "Descent II Movielib format", - "Bradley Bell ", - "https://icculus.org/physfs/", - 0, /* supportsSymlinks */ - }, - MVL_openArchive, - UNPK_enumerateFiles, - UNPK_openRead, - UNPK_openWrite, - UNPK_openAppend, - UNPK_remove, - UNPK_mkdir, - UNPK_stat, - UNPK_closeArchive -}; - -#endif /* defined PHYSFS_SUPPORTS_MVL */ - -/* end of archiver_mvl.c ... */ -