RetroArch/rarch_compr_file_path.c

140 lines
3.7 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "file_path.h"
#include <stdlib.h>
#include <boolean.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <compat/strl.h>
#include <compat/posix_string.h>
#include <retro_miscellaneous.h>
#ifdef __HAIKU__
#include <kernel/image.h>
#endif
#if (defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)) || defined(__QNX__) || defined(PSP)
#include <unistd.h> /* stat() is defined here */
#endif
#if defined(__CELLOS_LV2__)
#ifndef S_ISDIR
#define S_ISDIR(x) (x & 0040000)
#endif
#endif
#if defined(_WIN32)
#ifdef _MSC_VER
#define setmode _setmode
#endif
#ifdef _XBOX
#include <xtl.h>
#define INVALID_FILE_ATTRIBUTES -1
#else
#include <io.h>
#include <fcntl.h>
#include <direct.h>
#include <windows.h>
#endif
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
#endif
#ifdef HAVE_7ZIP
#include "decompress/7zip_support.h"
#endif
#ifdef HAVE_ZLIB
#include "decompress/zip_support.h"
#endif
/* Generic compressed file loader.
* Extracts to buf, unless optional_filename != 0
* Then extracts to optional_filename and leaves buf alone.
*/
#ifdef HAVE_COMPRESSION
long read_compressed_file(const char * path, void **buf,
const char* optional_filename)
{
/* Safety check.
* If optional_filename and optional_filename exists, we simply return 0,
* hoping that optional_filename is the same as requested.
*/
if (optional_filename)
if(path_file_exists(optional_filename))
return 0;
//We split carchive path and relative path:
char archive_path[PATH_MAX];
strlcpy(archive_path,path,sizeof(archive_path));
char* archive_found = strchr(archive_path,'#');
rarch_assert(archive_found != NULL);
//We assure that there is something after the '#' symbol
if (strlen(archive_found) <= 1)
{
/*
* This error condition happens for example, when
* path = /path/to/file.7z, or
* path = /path/to/file.7z#
*/
RARCH_ERR("Could not extract image path and carchive path from "
"path: %s.\n", path);
return -1;
}
//We split the string in two, by putting a \0, where the hash was:
*archive_found = '\0';
archive_found+=1;
const char* file_ext = path_get_extension(archive_path);
#ifdef HAVE_7ZIP
if (strcasecmp(file_ext,"7z") == 0)
return read_7zip_file(archive_path,archive_found,buf,optional_filename);
#endif
#ifdef HAVE_ZLIB
if (strcasecmp(file_ext,"zip") == 0)
return read_zip_file(archive_path,archive_found,buf,optional_filename);
#endif
return -1;
}
#endif
struct string_list *compressed_file_list_new(const char *path,
const char* ext)
{
#ifdef HAVE_COMPRESSION
const char* file_ext = path_get_extension(path);
#ifdef HAVE_7ZIP
if (strcasecmp(file_ext,"7z") == 0)
return compressed_7zip_file_list_new(path,ext);
#endif
#ifdef HAVE_ZLIB
if (strcasecmp(file_ext,"zip") == 0)
return compressed_zip_file_list_new(path,ext);
#endif
#endif
return NULL;
}