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task_content.c
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2019 - Brad Parker
* Copyright (C) 2016-2019 - Andrés Suárez
*
* 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/>.
*/
/* TODO/FIXME - turn this into actual task */
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <file/file_path.h>
#include <queues/task_queue.h>
#include <string/stdstring.h>
#ifdef _WIN32
#ifdef _XBOX
#include <xtl.h>
#define setmode _setmode
#define INVALID_FILE_ATTRIBUTES -1
#else
#include <io.h>
#include <fcntl.h>
#include <windows.h>
#endif
#endif
#ifdef __WINRT__
#include <uwp/uwp_func.h>
#endif
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include <boolean.h>
#include <encodings/crc32.h>
#include <compat/strl.h>
#include <compat/posix_string.h>
#include <file/file_path.h>
#include <file/archive_file.h>
#include <string/stdstring.h>
#include <vfs/vfs_implementation.h>
#ifdef HAVE_CDROM
#include <vfs/vfs_implementation_cdrom.h>
#endif
#include <retro_miscellaneous.h>
#include <streams/file_stream.h>
#include <retro_assert.h>
#include <lists/string_list.h>
#include <string/stdstring.h>
#ifdef HAVE_MENU
#include "../menu/menu_driver.h"
#ifdef HAVE_GFX_WIDGETS
#include "../gfx/gfx_widgets.h"
#endif
#endif
#if defined(HAVE_CG) || defined(HAVE_GLSL) || defined(HAVE_SLANG) || defined(HAVE_HLSL)
#include "../menu/menu_shader.h"
#endif
#ifdef HAVE_CHEEVOS
#include "../cheevos-new/cheevos.h"
#endif
#include "task_content.h"
#include "tasks_internal.h"
#include "../command.h"
#include "../core_info.h"
#include "../content.h"
#include "../configuration.h"
#include "../defaults.h"
#include "../frontend/frontend.h"
#include "../playlist.h"
#include "../paths.h"
#include "../retroarch.h"
#include "../verbosity.h"
#include "../msg_hash.h"
#include "../content.h"
#include "../dynamic.h"
#include "../retroarch.h"
#include "../file_path_special.h"
#include "../core.h"
#include "../paths.h"
#include "../verbosity.h"
#include "../discord/discord.h"
extern bool discord_is_inited;
#define MAX_ARGS 32
typedef struct content_stream content_stream_t;
typedef struct content_information_ctx content_information_ctx_t;
#ifdef HAVE_CDROM
enum cdrom_dump_state
{
DUMP_STATE_TOC_PENDING = 0,
DUMP_STATE_WRITE_CUE,
DUMP_STATE_NEXT_TRACK,
DUMP_STATE_READ_TRACK
};
typedef struct
{
bool next;
enum cdrom_dump_state state;
unsigned char cur_track;
int64_t cur_track_bytes;
int64_t track_written_bytes;
int64_t disc_total_bytes;
int64_t disc_read_bytes;
char drive_letter[2];
char cdrom_path[64];
char title[512];
const cdrom_toc_t *toc;
RFILE *file;
RFILE *output_file;
libretro_vfs_implementation_file *stream;
} task_cdrom_dump_state_t;
#endif
struct content_stream
{
const uint8_t *b;
size_t c;
uint32_t a;
uint32_t crc;
};
struct content_information_ctx
{
bool is_ips_pref;
bool is_bps_pref;
bool is_ups_pref;
bool block_extract;
bool need_fullpath;
bool set_supports_no_game_enable;
bool patch_is_blocked;
bool bios_is_missing;
bool check_firmware_before_loading;
struct
{
struct retro_subsystem_info *data;
unsigned size;
} subsystem;
char *name_ips;
char *name_bps;
char *name_ups;
char *valid_extensions;
char *directory_cache;
char *directory_system;
struct string_list *temporary_content;
};
static bool _launched_from_cli = true;
typedef struct content_state
{
bool is_inited;
bool core_does_not_need_content;
bool pending_subsystem_init;
bool pending_rom_crc;
int pending_subsystem_rom_num;
int pending_subsystem_id;
unsigned pending_subsystem_rom_id;
uint32_t rom_crc;
char companion_ui_crc32[32];
char pending_subsystem_ident[255];
char pending_rom_crc_path[PATH_MAX_LENGTH];
char companion_ui_db_name[PATH_MAX_LENGTH];
char *pending_subsystem_roms[RARCH_MAX_SUBSYSTEM_ROMS];
struct string_list *temporary_content;
} content_state_t;
static content_state_t content_st;
#ifdef HAVE_CDROM
static void task_cdrom_dump_handler(retro_task_t *task)
{
task_cdrom_dump_state_t *state = (task_cdrom_dump_state_t*)task->state;
settings_t *settings = config_get_ptr();
const char *directory_core_assets = settings
? settings->paths.directory_core_assets : NULL;
if (task_get_progress(task) == 100)
{
if (state->file)
filestream_close(state->file);
if (state->output_file)
filestream_close(state->output_file);
state->file = NULL;
state->output_file = NULL;
task_set_finished(task, true);
RARCH_LOG("[CDROM]: Dump finished.\n");
return;
}
switch (state->state)
{
case DUMP_STATE_TOC_PENDING:
{
/* open cuesheet file from drive */
char cue_path[PATH_MAX_LENGTH] = {0};
cdrom_device_fillpath(cue_path, sizeof(cue_path), state->drive_letter[0], 0, true);
state->file = filestream_open(cue_path, RETRO_VFS_FILE_ACCESS_READ, 0);
if (!state->file)
{
RARCH_ERR("[CDROM]: Error opening file for reading: %s\n", cue_path);
task_set_progress(task, 100);
task_free_title(task);
task_set_title(task, strdup(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_FILE_READ_OPEN_FAILED)));
return;
}
state->state = DUMP_STATE_WRITE_CUE;
break;
}
case DUMP_STATE_WRITE_CUE:
{
char output_file[PATH_MAX_LENGTH];
char cue_filename[PATH_MAX_LENGTH];
/* write cuesheet to a file */
int64_t cue_size = filestream_get_size(state->file);
char *cue_data = (char*)calloc(1, cue_size);
output_file[0] = cue_filename[0] = '\0';
filestream_read(state->file, cue_data, cue_size);
state->stream = filestream_get_vfs_handle(state->file);
state->toc = retro_vfs_file_get_cdrom_toc();
if (cdrom_has_atip(state->stream))
RARCH_LOG("[CDROM]: This disc is not genuine.\n");
filestream_close(state->file);
snprintf(cue_filename, sizeof(cue_filename), "%s.cue", state->title);
fill_pathname_join(output_file,
directory_core_assets, cue_filename, sizeof(output_file));
{
RFILE *file = filestream_open(output_file, RETRO_VFS_FILE_ACCESS_WRITE, 0);
unsigned char point = 0;
if (!file)
{
RARCH_ERR("[CDROM]: Error opening file for writing: %s\n", output_file);
task_set_progress(task, 100);
task_free_title(task);
task_set_title(task, strdup(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_FILE_WRITE_OPEN_FAILED)));
return;
}
for (point = 1; point <= state->toc->num_tracks; point++)
{
const char *track_type = "MODE1/2352";
char track_filename[PATH_MAX_LENGTH];
state->disc_total_bytes += state->toc->track[point - 1].track_bytes;
track_filename[0] = '\0';
if (state->toc->track[point - 1].audio)
track_type = "AUDIO";
else if (state->toc->track[point - 1].mode == 1)
track_type = "MODE1/2352";
else if (state->toc->track[point - 1].mode == 2)
track_type = "MODE2/2352";
snprintf(track_filename, sizeof(track_filename), "%s (Track %02d).bin", state->title, point);
filestream_printf(file, "FILE \"%s\" BINARY\n", track_filename);
filestream_printf(file, " TRACK %02d %s\n", point, track_type);
{
unsigned pregap_lba_len = state->toc->track[point - 1].lba - state->toc->track[point - 1].lba_start;
if (state->toc->track[point - 1].audio && pregap_lba_len > 0)
{
unsigned char min = 0;
unsigned char sec = 0;
unsigned char frame = 0;
cdrom_lba_to_msf(pregap_lba_len, &min, &sec, &frame);
filestream_printf(file, " INDEX 00 00:00:00\n");
filestream_printf(file, " INDEX 01 %02u:%02u:%02u\n", (unsigned)min, (unsigned)sec, (unsigned)frame);
}
else
filestream_printf(file, " INDEX 01 00:00:00\n");
}
}
filestream_close(file);
}
state->file = NULL;
state->state = DUMP_STATE_NEXT_TRACK;
free(cue_data);
}
break;
case DUMP_STATE_NEXT_TRACK:
{
/* no file is open as we either just started or just finished a track, need to start dumping the next track */
state->cur_track++;
/* no more tracks to dump, we're done */
if (state->toc && state->cur_track > state->toc->num_tracks)
{
task_set_progress(task, 100);
return;
}
RARCH_LOG("[CDROM]: Dumping track %d...\n", state->cur_track);
memset(state->cdrom_path, 0, sizeof(state->cdrom_path));
cdrom_device_fillpath(state->cdrom_path, sizeof(state->cdrom_path), state->drive_letter[0], state->cur_track, false);
state->track_written_bytes = 0;
state->file = filestream_open(state->cdrom_path, RETRO_VFS_FILE_ACCESS_READ, 0);
/* open a new file for writing for this next track */
if (state->file)
{
char output_path[PATH_MAX_LENGTH];
char track_filename[PATH_MAX_LENGTH];
output_path[0] = track_filename[0] = '\0';
snprintf(track_filename, sizeof(track_filename), "%s (Track %02d).bin", state->title, state->cur_track);
state->cur_track_bytes = filestream_get_size(state->file);
fill_pathname_join(output_path,
directory_core_assets, track_filename, sizeof(output_path));
state->output_file = filestream_open(output_path, RETRO_VFS_FILE_ACCESS_WRITE, 0);
if (!state->output_file)
{
RARCH_ERR("[CDROM]: Error opening file for writing: %s\n", output_path);
task_set_progress(task, 100);
task_free_title(task);
task_set_title(task, strdup(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_FILE_WRITE_OPEN_FAILED)));
return;
}
}
else
{
RARCH_ERR("[CDROM]: Error opening file for writing: %s\n", state->cdrom_path);
task_set_progress(task, 100);
task_free_title(task);
task_set_title(task, strdup(msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_FILE_WRITE_OPEN_FAILED)));
return;
}
state->state = DUMP_STATE_READ_TRACK;
}
break;
case DUMP_STATE_READ_TRACK:
/* read data from track and write it to a file in chunks */
if (state->cur_track_bytes > state->track_written_bytes)
{
char data[2352 * 2] = {0};
int64_t read_bytes = filestream_read(state->file, data, sizeof(data));
int progress = 0;
if (read_bytes <= 0)
{
task_set_progress(task, 100);
task_free_title(task);
task_set_title(task, strdup(msg_hash_to_str(MSG_DISC_DUMP_FAILED_TO_READ_FROM_DRIVE)));
return;
}
state->track_written_bytes += read_bytes;
state->disc_read_bytes += read_bytes;
progress = (state->disc_read_bytes / (double)state->disc_total_bytes) * 100.0;
#ifdef CDROM_DEBUG
RARCH_LOG("[CDROM]: Read %" PRId64 " bytes, totalling %" PRId64 " of %" PRId64 " bytes. Progress: %d%%\n", read_bytes, state->track_written_bytes, state->cur_track_bytes, progress);
#endif
if (filestream_write(state->output_file, data, read_bytes) <= 0)
{
task_set_progress(task, 100);
task_free_title(task);
task_set_title(task, strdup(msg_hash_to_str(MSG_DISC_DUMP_FAILED_TO_WRITE_TO_DISK)));
return;
}
task_set_progress(task, progress);
}
else if (state->cur_track_bytes == state->track_written_bytes)
{
/* TODO: FIXME: this stops after only the first track */
if (state->file)
{
filestream_close(state->file);
state->file = NULL;
}
if (state->output_file)
{
filestream_close(state->output_file);
state->file = NULL;
}
state->state = DUMP_STATE_NEXT_TRACK;
}
break;
}
}
static void task_cdrom_dump_callback(retro_task_t *task,
void *task_data,
void *user_data, const char *error)
{
task_cdrom_dump_state_t *state = (task_cdrom_dump_state_t*)task->state;
if (state)
free(state);
}
void task_push_cdrom_dump(const char *drive)
{
retro_task_t *task = task_init();
task_cdrom_dump_state_t *state = (task_cdrom_dump_state_t*)calloc(1, sizeof(*state));
state->drive_letter[0] = drive[0];
state->next = true;
state->cur_track = 0;
state->state = DUMP_STATE_TOC_PENDING;
fill_str_dated_filename(state->title, "cdrom", NULL, sizeof(state->title));
task->state = state;
task->handler = task_cdrom_dump_handler;
task->callback = task_cdrom_dump_callback;
task->title = strdup(msg_hash_to_str(MSG_DUMPING_DISC));
RARCH_LOG("[CDROM]: Starting disc dump...\n");
task_queue_push(task);
}
#endif
static int64_t content_file_read(const char *path, void **buf, int64_t *length)
{
#ifdef HAVE_COMPRESSION
if ( path_contains_compressed_file(path)
&& file_archive_compressed_read(path, buf, NULL, length))
return 1;
#endif
return filestream_read_file(path, buf, length);
}
/**
* content_load_init_wrap:
* @args : Input arguments.
* @argc : Count of arguments.
* @argv : Arguments.
*
* Generates an @argc and @argv pair based on @args
* of type rarch_main_wrap.
**/
static void content_load_init_wrap(
const struct rarch_main_wrap *args,
int *argc, char **argv)
{
int i;
*argc = 0;
argv[(*argc)++] = strdup("retroarch");
if (args->content_path)
{
RARCH_LOG("Using content: %s.\n", args->content_path);
argv[(*argc)++] = strdup(args->content_path);
}
#ifdef HAVE_MENU
else
{
RARCH_LOG("%s\n",
msg_hash_to_str(MSG_NO_CONTENT_STARTING_DUMMY_CORE));
argv[(*argc)++] = strdup("--menu");
}
#endif
if (args->sram_path)
{
argv[(*argc)++] = strdup("-s");
argv[(*argc)++] = strdup(args->sram_path);
}
if (args->state_path)
{
argv[(*argc)++] = strdup("-S");
argv[(*argc)++] = strdup(args->state_path);
}
if (args->config_path)
{
argv[(*argc)++] = strdup("-c");
argv[(*argc)++] = strdup(args->config_path);
}
#ifdef HAVE_DYNAMIC
if (args->libretro_path)
{
argv[(*argc)++] = strdup("-L");
argv[(*argc)++] = strdup(args->libretro_path);
}
#endif
if (args->verbose)
argv[(*argc)++] = strdup("-v");
for (i = 0; i < *argc; i++)
RARCH_LOG("arg #%d: %s\n", i, argv[i]);
}
/**
* content_load:
*
* Loads content file and starts up RetroArch.
* If no content file can be loaded, will start up RetroArch
* as-is.
*
* Returns: false (0) if retroarch_main_init failed,
* otherwise true (1).
**/
static bool content_load(content_ctx_info_t *info,
content_state_t *p_content)
{
unsigned i = 0;
int rarch_argc = 0;
char *rarch_argv[MAX_ARGS] = {NULL};
char *argv_copy [MAX_ARGS] = {NULL};
char **rarch_argv_ptr = (char**)info->argv;
int *rarch_argc_ptr = (int*)&info->argc;
struct rarch_main_wrap *wrap_args = NULL;
if (!(wrap_args = (struct rarch_main_wrap*)
calloc(1, sizeof(*wrap_args))))
return false;
retro_assert(wrap_args);
if (info->environ_get)
info->environ_get(rarch_argc_ptr,
rarch_argv_ptr, info->args, wrap_args);
if (wrap_args->touched)
{
content_load_init_wrap(wrap_args, &rarch_argc, rarch_argv);
memcpy(argv_copy, rarch_argv, sizeof(rarch_argv));
rarch_argv_ptr = (char**)rarch_argv;
rarch_argc_ptr = (int*)&rarch_argc;
}
rarch_ctl(RARCH_CTL_MAIN_DEINIT, NULL);
wrap_args->argc = *rarch_argc_ptr;
wrap_args->argv = rarch_argv_ptr;
if (!retroarch_main_init(wrap_args->argc, wrap_args->argv))
{
for (i = 0; i < ARRAY_SIZE(argv_copy); i++)
free(argv_copy[i]);
free(wrap_args);
return false;
}
if (p_content->pending_subsystem_init)
{
command_event(CMD_EVENT_CORE_INIT, NULL);
content_clear_subsystem();
}
#if defined(HAVE_CG) || defined(HAVE_GLSL) || defined(HAVE_SLANG) || defined(HAVE_HLSL)
menu_shader_manager_init();
#endif
command_event(CMD_EVENT_HISTORY_INIT, NULL);
rarch_favorites_init();
command_event(CMD_EVENT_RESUME, NULL);
command_event(CMD_EVENT_VIDEO_SET_ASPECT_RATIO, NULL);
dir_check_defaults();
frontend_driver_process_args(rarch_argc_ptr, rarch_argv_ptr);
frontend_driver_content_loaded();
for (i = 0; i < ARRAY_SIZE(argv_copy); i++)
free(argv_copy[i]);
free(wrap_args);
return true;
}
/**
* load_content_into_memory:
* @path : buffer of the content file.
* @buf : size of the content file.
* @length : size of the content file that has been read from.
*
* Read the content file. If read into memory, also performs soft patching
* (see patch_content function) in case soft patching has not been
* blocked by the enduser.
*
* Returns: true if successful, false on error.
**/
static bool load_content_into_memory(
content_information_ctx_t *content_ctx,
content_state_t *p_content,
unsigned i, const char *path, void **buf,
int64_t *length)
{
uint8_t *ret_buf = NULL;
RARCH_LOG("%s: %s.\n",
msg_hash_to_str(MSG_LOADING_CONTENT_FILE), path);
if (!content_file_read(path, (void**) &ret_buf, length))
return false;
if (*length < 0)
return false;
if (i == 0)
{
enum rarch_content_type type = path_is_media_type(path);
/* If we have a media type, ignore CRC32 calculation. */
if (type == RARCH_CONTENT_NONE)
{
bool has_patch = false;
/* First content file is significant, attempt to do patching,
* CRC checking, etc. */
/* Attempt to apply a patch. */
if (!content_ctx->patch_is_blocked)
has_patch = patch_content(
content_ctx->is_ips_pref,
content_ctx->is_bps_pref,
content_ctx->is_ups_pref,
content_ctx->name_ips,
content_ctx->name_bps,
content_ctx->name_ups,
(uint8_t**)&ret_buf,
(void*)length);
if (has_patch)
{
p_content->rom_crc = encoding_crc32(0, ret_buf, (size_t)*length);
RARCH_LOG("CRC32: 0x%x .\n", (unsigned)p_content->rom_crc);
}
else
{
strlcpy(p_content->pending_rom_crc_path,
path, sizeof(p_content->pending_rom_crc_path));
p_content->pending_rom_crc = true;
}
}
else
p_content->rom_crc = 0;
}
*buf = ret_buf;
return true;
}
#ifdef HAVE_COMPRESSION
static bool load_content_from_compressed_archive(
content_information_ctx_t *content_ctx,
struct retro_game_info *info,
unsigned i,
struct string_list* additional_path_allocs,
bool need_fullpath,
const char *path,
char **error_string)
{
union string_list_elem_attr attributes;
int64_t new_path_len = 0;
size_t new_basedir_size = PATH_MAX_LENGTH * sizeof(char);
size_t new_path_size = PATH_MAX_LENGTH * sizeof(char);
char *new_basedir = (char*)malloc(new_basedir_size);
char *new_path = (char*)malloc(new_path_size);
new_path[0] = '\0';
new_basedir[0] = '\0';
attributes.i = 0;
RARCH_LOG("Compressed file in case of need_fullpath."
" Now extracting to temporary directory.\n");
if (!string_is_empty(content_ctx->directory_cache))
strlcpy(new_basedir, content_ctx->directory_cache, new_basedir_size);
if (!path_is_directory(new_basedir))
{
RARCH_WARN("Tried extracting to cache directory, but "
"cache directory was not set or found. "
"Setting cache directory to directory "
"derived by basename...\n");
fill_pathname_basedir(new_basedir, path, new_basedir_size);
}
new_path[0] = '\0';
new_basedir[0] = '\0';
fill_pathname_join(new_path, new_basedir,
path_basename(path), new_path_size);
free(new_basedir);
if (!file_archive_compressed_read(path,
NULL, new_path, &new_path_len) || new_path_len < 0)
{
size_t path_size = 1024 * sizeof(char);
char *str = (char*)malloc(path_size);
snprintf(str,
path_size,
"%s \"%s\".\n",
msg_hash_to_str(MSG_COULD_NOT_READ_CONTENT_FILE),
path);
*error_string = strdup(str);
free(str);
free(new_path);
return false;
}
string_list_append(additional_path_allocs, new_path, attributes);
info[i].path =
additional_path_allocs->elems[additional_path_allocs->size - 1].data;
if (!string_list_append(content_ctx->temporary_content,
new_path, attributes))
{
free(new_path);
return false;
}
free(new_path);
return true;
}
/* Try to extract all content we're going to load if appropriate. */
static bool content_file_init_extract(
struct string_list *content,
content_information_ctx_t *content_ctx,
const struct retro_subsystem_info *special,
char **error_string,
union string_list_elem_attr *attr
)
{
unsigned i;
char *new_path = NULL;
for (i = 0; i < content->size; i++)
{
bool block_extract = content->elems[i].attr.i & 1;
const char *path = content->elems[i].data;
bool contains_compressed = path_contains_compressed_file(path);
/* Block extract check. */
if (block_extract)
continue;
/* just use the first file in the archive */
if (!contains_compressed && !path_is_compressed_file(path))
continue;
{
size_t temp_content_size = PATH_MAX_LENGTH * sizeof(char);
size_t new_path_size = PATH_MAX_LENGTH * sizeof(char);
char *temp_content = (char*)malloc(temp_content_size);
const char *valid_ext = special ?
special->roms[i].valid_extensions :
content_ctx->valid_extensions;
new_path = (char*)malloc(new_path_size);
temp_content[0] = new_path[0] = '\0';
if (!string_is_empty(path))
strlcpy(temp_content, path, temp_content_size);
if (!valid_ext || !file_archive_extract_file(
temp_content,
temp_content_size,
valid_ext,
!string_is_empty(content_ctx->directory_cache) ?
content_ctx->directory_cache : NULL,
new_path,
new_path_size
))
{
size_t path_size = 1024 * sizeof(char);
char *str = (char*)malloc(path_size);
snprintf(str, path_size,
"%s: %s.\n",
msg_hash_to_str(
MSG_FAILED_TO_EXTRACT_CONTENT_FROM_COMPRESSED_FILE),
temp_content);
*error_string = strdup(str);
free(temp_content);
free(str);
free(new_path);
return false;
}
string_list_set(content, i, new_path);
free(temp_content);
{
bool append_success = string_list_append(
content_ctx->temporary_content,
new_path, *attr);
free(new_path);
if (!append_success)
return false;
}
}
}
return true;
}
#endif
/**
* content_file_load:
* @special : subsystem of content to be loaded. Can be NULL.
* content :
*
* Load content file (for libretro core).
*
* Returns : true if successful, otherwise false.
**/
static bool content_file_load(
struct retro_game_info *info,
content_state_t *p_content,
const struct string_list *content,
content_information_ctx_t *content_ctx,
char **error_string,
const struct retro_subsystem_info *special,
struct string_list *additional_path_allocs
)
{
unsigned i;
retro_ctx_load_content_info_t load_info;
bool used_vfs_fallback_copy = false;
#ifdef __WINRT__
rarch_system_info_t *system = runloop_get_system_info();
#endif
for (i = 0; i < content->size; i++)
{
int attr = content->elems[i].attr.i;
const char *path = content->elems[i].data;
bool need_fullpath = attr & 2;
bool require_content = attr & 4;
bool path_empty = string_is_empty(path);
if (require_content && path_empty)
{
*error_string = strdup(msg_hash_to_str(MSG_ERROR_LIBRETRO_CORE_REQUIRES_CONTENT));
return false;
}
info[i].path = NULL;
if (!path_empty)
info[i].path = path;
if (!need_fullpath && !path_empty)
{
/* Load the content into memory. */
int64_t len = 0;
if (!load_content_into_memory(
content_ctx, p_content,
i, path, (void**)&info[i].data, &len))
{
size_t msg_size = 1024 * sizeof(char);
char *msg = (char*)malloc(msg_size);
msg[0] = '\0';
snprintf(msg,
msg_size,
"%s \"%s\".\n",
msg_hash_to_str(MSG_COULD_NOT_READ_CONTENT_FILE),
path);
*error_string = strdup(msg);
free(msg);
return false;
}
info[i].size = len;
}
else
{
#ifdef HAVE_COMPRESSION
if ( !content_ctx->block_extract
&& need_fullpath
&& path_contains_compressed_file(path)
&& !load_content_from_compressed_archive(
content_ctx,
&info[i], i,
additional_path_allocs, need_fullpath, path,
error_string))
return false;
#endif
#ifdef __WINRT__
/* TODO: When support for the 'actual' VFS is added, there will need to be some more logic here */
if (!system->supports_vfs && !is_path_accessible_using_standard_io(path))
{
/* Fallback to a file copy into an accessible directory */
char* buf;
int64_t len;
union string_list_elem_attr attributes;
size_t new_basedir_size = PATH_MAX_LENGTH * sizeof(char);
size_t new_path_size = PATH_MAX_LENGTH * sizeof(char);
char *new_basedir = (char*)malloc(new_basedir_size);
char *new_path = (char*)malloc(new_path_size);
new_path[0] = '\0';
new_basedir[0] = '\0';
attributes.i = 0;
RARCH_LOG("Core does not support VFS - copying to cache directory\n");
if (!string_is_empty(content_ctx->directory_cache))
strlcpy(new_basedir, content_ctx->directory_cache, new_basedir_size);
if (string_is_empty(new_basedir) || !path_is_directory(new_basedir) || !is_path_accessible_using_standard_io(new_basedir))
{
RARCH_WARN("Tried copying to cache directory, but "
"cache directory was not set or found. "
"Setting cache directory to root of "
"writable app directory...\n");
strlcpy(new_basedir, uwp_dir_data, new_basedir_size);
}
fill_pathname_join(new_path, new_basedir,
path_basename(path), new_path_size);
free(new_basedir);
/* TODO: This may fail on very large files...