mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-30 19:50:24 +00:00
330 lines
8.6 KiB
C
330 lines
8.6 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2011-2016 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include <lists/string_list.h>
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#include <string/stdstring.h>
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#include <file/file_path.h>
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#include <file/archive_file.h>
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#include <retro_miscellaneous.h>
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#include <retro_stat.h>
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#include "tasks_internal.h"
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#include "../verbosity.h"
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#include "../msg_hash.h"
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typedef struct
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{
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char *source_file;
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char *subdir;
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char *target_dir;
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char *target_file;
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char *valid_ext;
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char *callback_error;
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file_archive_transfer_t zlib;
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} decompress_state_t;
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static int file_decompressed_target_file(const char *name,
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const char *valid_exts,
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const uint8_t *cdata,
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unsigned cmode, uint32_t csize, uint32_t size,
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uint32_t crc32, void *userdata)
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{
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/* TODO/FIXME */
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return 0;
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}
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static int file_decompressed_subdir(const char *name,
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const char *valid_exts,
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const uint8_t *cdata,
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unsigned cmode, uint32_t csize,uint32_t size,
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uint32_t crc32, void *userdata)
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{
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char path_dir[PATH_MAX_LENGTH] = {0};
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char path[PATH_MAX_LENGTH] = {0};
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decompress_state_t *dec = (decompress_state_t*)userdata;
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/* Ignore directories. */
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if (name[strlen(name) - 1] == '/' || name[strlen(name) - 1] == '\\')
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goto next_file;
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if (strstr(name, dec->subdir) != name)
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return 1;
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name += strlen(dec->subdir) + 1;
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fill_pathname_join(path, dec->target_dir, name, sizeof(path));
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fill_pathname_basedir(path_dir, path, sizeof(path_dir));
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/* Make directory */
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if (!path_mkdir(path_dir))
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goto error;
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if (!file_archive_perform_mode(path, valid_exts,
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cdata, cmode, csize, size, crc32, userdata))
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goto error;
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RARCH_LOG("[deflate subdir] Path: %s, CRC32: 0x%x\n", name, crc32);
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next_file:
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return 1;
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error:
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dec->callback_error = (char*)malloc(PATH_MAX_LENGTH);
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snprintf(dec->callback_error,
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PATH_MAX_LENGTH, "Failed to deflate %s.\n", path);
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return 0;
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}
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static int file_decompressed(const char *name, const char *valid_exts,
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const uint8_t *cdata, unsigned cmode, uint32_t csize, uint32_t size,
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uint32_t crc32, void *userdata)
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{
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char path[PATH_MAX_LENGTH] = {0};
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decompress_state_t *dec = (decompress_state_t*)userdata;
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/* Ignore directories. */
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if (name[strlen(name) - 1] == '/' || name[strlen(name) - 1] == '\\')
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goto next_file;
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/* Make directory */
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fill_pathname_join(path, dec->target_dir, name, sizeof(path));
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path_basedir(path);
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if (!path_mkdir(path))
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goto error;
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fill_pathname_join(path, dec->target_dir, name, sizeof(path));
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if (!file_archive_perform_mode(path, valid_exts,
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cdata, cmode, csize, size, crc32, userdata))
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goto error;
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RARCH_LOG("[deflate] Path: %s, CRC32: 0x%x\n", name, crc32);
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next_file:
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return 1;
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error:
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dec->callback_error = (char*)malloc(PATH_MAX_LENGTH);
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snprintf(dec->callback_error, PATH_MAX_LENGTH,
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"Failed to deflate %s.\n", path);
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return 0;
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}
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static void task_decompress_handler_finished(retro_task_t *task,
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decompress_state_t *dec)
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{
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task->finished = true;
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if (!task->error && task->cancelled)
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task->error = strdup("Task canceled");
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if (task->error)
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free(dec->source_file);
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else
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{
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decompress_task_data_t *data =
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(decompress_task_data_t*)calloc(1, sizeof(*data));
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data->source_file = dec->source_file;
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task->task_data = data;
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}
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if (dec->subdir)
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free(dec->subdir);
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if (dec->valid_ext)
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free(dec->valid_ext);
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free(dec->target_dir);
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free(dec);
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}
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static void task_decompress_handler(retro_task_t *task)
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{
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bool retdec = false;
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decompress_state_t *dec = (decompress_state_t*)task->state;
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int ret = file_archive_parse_file_iterate(&dec->zlib,
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&retdec, dec->source_file,
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dec->valid_ext, file_decompressed, dec);
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task->progress = file_archive_parse_file_progress(&dec->zlib);
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if (task->cancelled || ret != 0)
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{
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task->error = dec->callback_error;
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file_archive_parse_file_iterate_stop(&dec->zlib);
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task_decompress_handler_finished(task, dec);
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}
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}
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static void task_decompress_handler_target_file(retro_task_t *task)
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{
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bool retdec;
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decompress_state_t *dec = (decompress_state_t*)task->state;
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int ret = file_archive_parse_file_iterate(&dec->zlib,
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&retdec, dec->source_file,
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dec->valid_ext, file_decompressed_target_file, dec);
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task->progress = file_archive_parse_file_progress(&dec->zlib);
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if (task->cancelled || ret != 0)
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{
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task->error = dec->callback_error;
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file_archive_parse_file_iterate_stop(&dec->zlib);
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task_decompress_handler_finished(task, dec);
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}
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}
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static void task_decompress_handler_subdir(retro_task_t *task)
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{
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bool retdec;
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decompress_state_t *dec = (decompress_state_t*)task->state;
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int ret = file_archive_parse_file_iterate(&dec->zlib,
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&retdec, dec->source_file,
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dec->valid_ext, file_decompressed_subdir, dec);
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task->progress = file_archive_parse_file_progress(&dec->zlib);
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if (task->cancelled || ret != 0)
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{
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task->error = dec->callback_error;
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file_archive_parse_file_iterate_stop(&dec->zlib);
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task_decompress_handler_finished(task, dec);
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}
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}
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static bool task_decompress_finder(
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retro_task_t *task, void *user_data)
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{
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decompress_state_t *dec = (decompress_state_t*)task->state;
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if (task->handler != task_decompress_handler)
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return false;
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return string_is_equal(dec->source_file, (const char*)user_data);
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}
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bool task_check_decompress(const char *source_file)
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{
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task_finder_data_t find_data;
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/* Prepare find parameters */
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find_data.func = task_decompress_finder;
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find_data.userdata = (void *)source_file;
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/* Return whether decompressing is in progress or not */
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return task_queue_ctl(TASK_QUEUE_CTL_FIND, &find_data);
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}
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bool task_push_decompress(
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const char *source_file,
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const char *target_dir,
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const char *target_file,
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const char *subdir,
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const char *valid_ext,
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retro_task_callback_t cb,
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void *user_data)
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{
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char tmp[PATH_MAX_LENGTH] = {0};
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decompress_state_t *s = NULL;
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retro_task_t *t = NULL;
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if (string_is_empty(target_dir) || string_is_empty(source_file))
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{
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RARCH_WARN("[decompress] Empty or null source file or"
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" target directory arguments.\n");
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return false;
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}
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/* ZIP or APK only */
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if (!path_file_exists(source_file) ||
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msg_hash_to_file_type(msg_hash_calculate(path_get_extension(source_file)))
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!= FILE_TYPE_COMPRESSED)
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{
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RARCH_WARN("[decompress] File '%s' does not exist or is not a compressed file.\n",
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source_file);
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return false;
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}
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if (!valid_ext || !valid_ext[0])
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valid_ext = NULL;
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if (task_check_decompress(source_file))
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{
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RARCH_LOG("[decompress] File '%s' already being decompressed.\n",
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source_file);
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return false;
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}
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RARCH_LOG("[decompress] File '%s.\n", source_file);
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s = (decompress_state_t*)calloc(1, sizeof(*s));
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if (!s)
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goto error;
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s->source_file = strdup(source_file);
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s->target_dir = strdup(target_dir);
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s->valid_ext = valid_ext ? strdup(valid_ext) : NULL;
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s->zlib.type = ZLIB_TRANSFER_INIT;
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t = (retro_task_t*)calloc(1, sizeof(*t));
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if (!t)
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goto error;
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t->state = s;
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t->handler = task_decompress_handler;
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if (!string_is_empty(subdir))
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{
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s->subdir = strdup(subdir);
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t->handler = task_decompress_handler_subdir;
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}
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else if (!string_is_empty(target_file))
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{
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s->target_file = strdup(target_file);
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t->handler = task_decompress_handler_target_file;
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}
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t->callback = cb;
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t->user_data = user_data;
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snprintf(tmp, sizeof(tmp), "%s '%s'",
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msg_hash_to_str(MSG_EXTRACTING), path_basename(source_file));
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t->title = strdup(tmp);
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task_queue_ctl(TASK_QUEUE_CTL_PUSH, t);
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return true;
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error:
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if (s)
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free(s);
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return false;
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}
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