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task_database.c
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task_database.c
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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2014-2017 - Jean-André Santoni
* Copyright (C) 2016-2017 - Brad Parker
*
* 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 <compat/strcasestr.h>
#include <compat/strl.h>
#include <retro_miscellaneous.h>
#include <retro_endianness.h>
#include <string/stdstring.h>
#include <lists/dir_list.h>
#include <file/file_path.h>
#include <encodings/crc32.h>
#include <streams/file_stream.h>
#include <streams/chd_stream.h>
#include <streams/interface_stream.h>
#include "tasks_internal.h"
#include "../core_info.h"
#include "../database_info.h"
#include "../file_path_special.h"
#include "../msg_hash.h"
#include "../playlist.h"
#ifdef RARCH_INTERNAL
#include "../retroarch.h"
#endif
#include "../verbosity.h"
#include "../ui/ui_companion_driver.h"
#ifndef COLLECTION_SIZE
#define COLLECTION_SIZE 99999
#endif
typedef struct database_state_handle
{
uint32_t crc;
uint32_t archive_crc;
size_t list_index;
size_t entry_index;
uint8_t *buf;
char archive_name[511];
char serial[4096];
database_info_list_t *info;
struct string_list *list;
} database_state_handle_t;
typedef struct db_handle
{
bool is_directory;
bool scan_started;
bool show_hidden_files;
unsigned status;
char *playlist_directory;
char *content_database_path;
char *fullpath;
database_info_handle_t *handle;
database_state_handle_t state;
} db_handle_t;
int cue_find_track(const char *cue_path, bool first,
uint64_t *offset, uint64_t *size,
char *track_path, uint64_t max_len);
bool cue_next_file(intfstream_t *fd, const char *cue_path,
char *path, uint64_t max_len);
int gdi_find_track(const char *gdi_path, bool first,
char *track_path, uint64_t max_len);
bool gdi_next_file(intfstream_t *fd, const char *gdi_path,
char *path, uint64_t max_len);
int detect_system(intfstream_t *fd, const char** system_name);
int detect_ps1_game(intfstream_t *fd, char *game_id);
int detect_psp_game(intfstream_t *fd, char *game_id);
int detect_gc_game(intfstream_t *fd, char *game_id);
int detect_serial_ascii_game(intfstream_t *fd, char *game_id);
static void database_info_set_type(
database_info_handle_t *handle,
enum database_type type)
{
if (!handle)
return;
handle->type = type;
}
static enum database_type database_info_get_type(
database_info_handle_t *handle)
{
if (!handle)
return DATABASE_TYPE_NONE;
return handle->type;
}
static const char *database_info_get_current_name(
database_state_handle_t *handle)
{
if (!handle || !handle->list)
return NULL;
return handle->list->elems[handle->list_index].data;
}
static const char *database_info_get_current_element_name(
database_info_handle_t *handle)
{
if (!handle || !handle->list)
return NULL;
/* Skip pruned entries */
while (handle->list->elems[handle->list_ptr].data == NULL)
{
if (++handle->list_ptr >= handle->list->size)
return NULL;
}
return handle->list->elems[handle->list_ptr].data;
}
static int task_database_iterate_start(database_info_handle_t *db,
const char *name)
{
char msg[511];
msg[0] = msg[510] = '\0';
snprintf(msg, sizeof(msg),
STRING_REP_USIZE "/" STRING_REP_USIZE ": %s %s...\n",
(size_t)db->list_ptr,
(size_t)db->list->size,
msg_hash_to_str(MSG_SCANNING),
name);
if (!string_is_empty(msg))
{
#ifdef RARCH_INTERNAL
runloop_msg_queue_push(msg, 1, 180, true);
#else
fprintf(stderr, "msg: %s\n", msg);
#endif
}
db->status = DATABASE_STATUS_ITERATE;
return 0;
}
static int intfstream_get_serial(intfstream_t *fd, char *serial)
{
const char *system_name = NULL;
/* Check if the system was not auto-detected. */
if (detect_system(fd, &system_name) < 0)
{
/* Attempt to read an ASCII serial, like Wii. */
if (detect_serial_ascii_game(fd, serial))
{
/* ASCII serial (Wii) was detected. */
RARCH_LOG("%s '%s'\n", msg_hash_to_str(MSG_FOUND_DISK_LABEL), serial);
return 0;
}
/* Any other non-system specific detection methods? */
return 0;
}
if (string_is_equal(system_name, "psp"))
{
if (detect_psp_game(fd, serial) == 0)
return 0;
RARCH_LOG("%s '%s'\n", msg_hash_to_str(MSG_FOUND_DISK_LABEL), serial);
}
else if (string_is_equal(system_name, "ps1"))
{
if (detect_ps1_game(fd, serial) == 0)
return 0;
RARCH_LOG("%s '%s'\n", msg_hash_to_str(MSG_FOUND_DISK_LABEL), serial);
}
else if (string_is_equal(system_name, "gc"))
{
if (detect_gc_game(fd, serial) == 0)
return 0;
RARCH_LOG("%s '%s'\n", msg_hash_to_str(MSG_FOUND_DISK_LABEL), serial);
}
else {
return 0;
}
return 1;
}
static bool intfstream_file_get_serial(const char *name,
uint64_t offset, uint64_t size, char *serial)
{
int rv;
uint8_t *data = NULL;
int64_t file_size = -1;
intfstream_t *fd = intfstream_open_file(name,
RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (!fd)
return 0;
if (intfstream_seek(fd, 0, SEEK_END) == -1)
goto error;
file_size = intfstream_tell(fd);
if (intfstream_seek(fd, 0, SEEK_SET) == -1)
goto error;
if (file_size < 0)
goto error;
if (offset != 0 || size < (uint64_t) file_size)
{
if (intfstream_seek(fd, (int64_t)offset, SEEK_SET) == -1)
goto error;
data = (uint8_t*)malloc((size_t)size);
if (intfstream_read(fd, data, size) != (int64_t) size)
{
free(data);
goto error;
}
intfstream_close(fd);
free(fd);
fd = intfstream_open_memory(data, RETRO_VFS_FILE_ACCESS_READ,
RETRO_VFS_FILE_ACCESS_HINT_NONE,
size);
if (!fd)
{
free(data);
return 0;
}
}
rv = intfstream_get_serial(fd, serial);
intfstream_close(fd);
free(fd);
free(data);
return rv;
error:
intfstream_close(fd);
free(fd);
return 0;
}
static int task_database_cue_get_serial(const char *name, char* serial)
{
char *track_path = (char*)malloc(PATH_MAX_LENGTH
* sizeof(char));
int ret = 0;
uint64_t offset = 0;
uint64_t size = 0;
int rv = 0;
track_path[0] = '\0';
rv = cue_find_track(name, true, &offset, &size, track_path, PATH_MAX_LENGTH);
if (rv < 0)
{
RARCH_LOG("%s: %s\n",
msg_hash_to_str(MSG_COULD_NOT_FIND_VALID_DATA_TRACK),
strerror(-rv));
free(track_path);
return 0;
}
RARCH_LOG("%s\n", msg_hash_to_str(MSG_READING_FIRST_DATA_TRACK));
ret = intfstream_file_get_serial(track_path, offset, size, serial);
free(track_path);
return ret;
}
static int task_database_gdi_get_serial(const char *name, char* serial)
{
char *track_path = (char*)malloc(PATH_MAX_LENGTH
* sizeof(char));
int ret = 0;
int rv = 0;
track_path[0] = '\0';
rv = gdi_find_track(name, true, track_path, PATH_MAX_LENGTH);
if (rv < 0)
{
RARCH_LOG("%s: %s\n",
msg_hash_to_str(MSG_COULD_NOT_FIND_VALID_DATA_TRACK),
strerror(-rv));
free(track_path);
return 0;
}
RARCH_LOG("%s\n", msg_hash_to_str(MSG_READING_FIRST_DATA_TRACK));
ret = intfstream_file_get_serial(track_path, 0, SIZE_MAX, serial);
free(track_path);
return ret;
}
static int task_database_chd_get_serial(const char *name, char* serial)
{
int result;
intfstream_t *fd = intfstream_open_chd_track(
name,
RETRO_VFS_FILE_ACCESS_READ,
RETRO_VFS_FILE_ACCESS_HINT_NONE,
CHDSTREAM_TRACK_FIRST_DATA);
if (!fd)
return 0;
result = intfstream_get_serial(fd, serial);
intfstream_close(fd);
free(fd);
return result;
}
static int intfstream_get_crc(intfstream_t *fd, uint32_t *crc)
{
int64_t read = 0;
uint32_t acc = 0;
uint8_t buffer[4096];
while ((read = intfstream_read(fd, buffer, sizeof(buffer))) > 0)
acc = encoding_crc32(acc, buffer, (size_t)read);
if (read < 0)
return 0;
*crc = acc;
return 1;
}
static bool intfstream_file_get_crc(const char *name,
uint64_t offset, size_t size, uint32_t *crc)
{
int rv;
intfstream_t *fd = intfstream_open_file(name,
RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
uint8_t *data = NULL;
int64_t file_size = -1;
if (!fd)
return 0;
if (intfstream_seek(fd, 0, SEEK_END) == -1)
goto error;
file_size = intfstream_tell(fd);
if (intfstream_seek(fd, 0, SEEK_SET) == -1)
goto error;
if (file_size < 0)
goto error;
if (offset != 0 || size < (uint64_t) file_size)
{
if (intfstream_seek(fd, (int64_t)offset, SEEK_SET) == -1)
goto error;
data = (uint8_t*)malloc(size);
if (intfstream_read(fd, data, size) != (int64_t) size)
goto error;
intfstream_close(fd);
free(fd);
fd = intfstream_open_memory(data, RETRO_VFS_FILE_ACCESS_READ,
RETRO_VFS_FILE_ACCESS_HINT_NONE, size);
if (!fd)
goto error;
}
rv = intfstream_get_crc(fd, crc);
intfstream_close(fd);
free(fd);
free(data);
return rv;
error:
if (fd)
{
intfstream_close(fd);
free(fd);
}
if (data)
free(data);
return 0;
}
static int task_database_cue_get_crc(const char *name, uint32_t *crc)
{
char *track_path = (char *)malloc(PATH_MAX_LENGTH);
uint64_t offset = 0;
uint64_t size = 0;
int rv = 0;
track_path[0] = '\0';
rv = cue_find_track(name, false, &offset, &size,
track_path, PATH_MAX_LENGTH);
if (rv < 0)
{
RARCH_LOG("%s: %s\n",
msg_hash_to_str(MSG_COULD_NOT_FIND_VALID_DATA_TRACK),
strerror(-rv));
free(track_path);
return 0;
}
RARCH_LOG("CUE '%s' primary track: %s\n (%lu, %lu)\n",name, track_path, (unsigned long) offset, (unsigned long) size);
RARCH_LOG("%s\n", msg_hash_to_str(MSG_READING_FIRST_DATA_TRACK));
rv = intfstream_file_get_crc(track_path, offset, (size_t)size, crc);
if (rv == 1)
{
RARCH_LOG("CUE '%s' crc: %x\n", name, *crc);
}
free(track_path);
return rv;
}
static int task_database_gdi_get_crc(const char *name, uint32_t *crc)
{
char *track_path = (char *)malloc(PATH_MAX_LENGTH);
int rv = 0;
track_path[0] = '\0';
rv = gdi_find_track(name, true, track_path, PATH_MAX_LENGTH);
if (rv < 0)
{
RARCH_LOG("%s: %s\n", msg_hash_to_str(MSG_COULD_NOT_FIND_VALID_DATA_TRACK),
strerror(-rv));
free(track_path);
return 0;
}
RARCH_LOG("GDI '%s' primary track: %s\n", name, track_path);
RARCH_LOG("%s\n", msg_hash_to_str(MSG_READING_FIRST_DATA_TRACK));
rv = intfstream_file_get_crc(track_path, 0, SIZE_MAX, crc);
if (rv == 1)
{
RARCH_LOG("GDI '%s' crc: %x\n", name, *crc);
}
free(track_path);
return rv;
}
static bool task_database_chd_get_crc(const char *name, uint32_t *crc)
{
int rv;
intfstream_t *fd = intfstream_open_chd_track(
name,
RETRO_VFS_FILE_ACCESS_READ,
RETRO_VFS_FILE_ACCESS_HINT_NONE,
CHDSTREAM_TRACK_PRIMARY);
if (!fd)
return 0;
rv = intfstream_get_crc(fd, crc);
if (rv == 1)
{
RARCH_LOG("CHD '%s' crc: %x\n", name, *crc);
}
if (fd)
{
intfstream_close(fd);
free(fd);
}
return rv;
}
static void task_database_cue_prune(database_info_handle_t *db,
const char *name)
{
size_t i;
char *path = (char *)malloc(PATH_MAX_LENGTH + 1);
intfstream_t *fd = intfstream_open_file(name,
RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (!fd)
goto end;
while (cue_next_file(fd, name, path, PATH_MAX_LENGTH))
{
for (i = db->list_ptr; i < db->list->size; ++i)
{
if (db->list->elems[i].data
&& string_is_equal(path, db->list->elems[i].data))
{
RARCH_LOG("Pruning file referenced by cue: %s\n", path);
free(db->list->elems[i].data);
db->list->elems[i].data = NULL;
}
}
}
end:
if (fd)
{
intfstream_close(fd);
free(fd);
}
free(path);
}
static void gdi_prune(database_info_handle_t *db, const char *name)
{
size_t i;
char *path = (char *)malloc(PATH_MAX_LENGTH + 1);
intfstream_t *fd = intfstream_open_file(name,
RETRO_VFS_FILE_ACCESS_READ, RETRO_VFS_FILE_ACCESS_HINT_NONE);
if (!fd)
goto end;
while (gdi_next_file(fd, name, path, PATH_MAX_LENGTH))
{
for (i = db->list_ptr; i < db->list->size; ++i)
{
if (db->list->elems[i].data
&& string_is_equal(path, db->list->elems[i].data))
{
RARCH_LOG("Pruning file referenced by gdi: %s\n", path);
free(db->list->elems[i].data);
db->list->elems[i].data = NULL;
}
}
}
end:
free(fd);
free(path);
}
static enum msg_file_type extension_to_file_type(const char *ext)
{
if (
string_is_equal(ext, "7z") ||
string_is_equal(ext, "7Z") ||
string_is_equal(ext, "zip") ||
string_is_equal(ext, "ZIP") ||
string_is_equal(ext, "apk") ||
string_is_equal(ext, "APK")
)
return FILE_TYPE_COMPRESSED;
if (
string_is_equal(ext, "cue") ||
string_is_equal(ext, "CUE")
)
return FILE_TYPE_CUE;
if (
string_is_equal(ext, "gdi") ||
string_is_equal(ext, "GDI")
)
return FILE_TYPE_GDI;
if (
string_is_equal(ext, "iso") ||
string_is_equal(ext, "ISO")
)
return FILE_TYPE_ISO;
if (
string_is_equal(ext, "chd") ||
string_is_equal(ext, "CHD")
)
return FILE_TYPE_CHD;
if (
string_is_equal(ext, "wbfs") ||
string_is_equal(ext, "WBFS")
)
return FILE_TYPE_WBFS;
if (
string_is_equal(ext, "lutro") ||
string_is_equal(ext, "LUTRO")
)
return FILE_TYPE_LUTRO;
return FILE_TYPE_NONE;
}
static int task_database_iterate_playlist(
database_state_handle_t *db_state,
database_info_handle_t *db, const char *name)
{
switch (extension_to_file_type(path_get_extension(name)))
{
case FILE_TYPE_COMPRESSED:
#ifdef HAVE_COMPRESSION
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
/* first check crc of archive itself */
return intfstream_file_get_crc(name,
0, SIZE_MAX, &db_state->archive_crc);
#else
break;
#endif
case FILE_TYPE_CUE:
task_database_cue_prune(db, name);
db_state->serial[0] = '\0';
if (task_database_cue_get_serial(name, db_state->serial))
database_info_set_type(db, DATABASE_TYPE_SERIAL_LOOKUP);
else
{
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
return task_database_cue_get_crc(name, &db_state->crc);
}
break;
case FILE_TYPE_GDI:
gdi_prune(db, name);
db_state->serial[0] = '\0';
/* There are no serial databases, so don't bother with
serials at the moment */
if (0 && task_database_gdi_get_serial(name, db_state->serial))
database_info_set_type(db, DATABASE_TYPE_SERIAL_LOOKUP);
else
{
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
return task_database_gdi_get_crc(name, &db_state->crc);
}
break;
/* Consider Wii WBFS files similar to ISO files. */
case FILE_TYPE_WBFS:
case FILE_TYPE_ISO:
db_state->serial[0] = '\0';
intfstream_file_get_serial(name, 0, SIZE_MAX, db_state->serial);
database_info_set_type(db, DATABASE_TYPE_SERIAL_LOOKUP);
break;
case FILE_TYPE_CHD:
db_state->serial[0] = '\0';
if (task_database_chd_get_serial(name, db_state->serial))
database_info_set_type(db, DATABASE_TYPE_SERIAL_LOOKUP);
else
{
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
return task_database_chd_get_crc(name, &db_state->crc);
}
break;
case FILE_TYPE_LUTRO:
database_info_set_type(db, DATABASE_TYPE_ITERATE_LUTRO);
break;
default:
database_info_set_type(db, DATABASE_TYPE_CRC_LOOKUP);
return intfstream_file_get_crc(name, 0, SIZE_MAX, &db_state->crc);
}
return 1;
}
static int database_info_list_iterate_end_no_match(
database_info_handle_t *db,
database_state_handle_t *db_state,
const char *path)
{
/* Reached end of database list,
* CRC match probably didn't succeed. */
/* If this was a compressed file and no match in the database
* list was found then expand the search list to include the
* archive's contents. */
if (path_is_compressed_file(path) && !path_contains_compressed_file(path))
{
struct string_list *archive_list =
file_archive_get_file_list(path, NULL);
if (archive_list && archive_list->size > 0)
{
unsigned i;
for (i = 0; i < archive_list->size; i++)
{
char *new_path = (char*)malloc(
PATH_MAX_LENGTH * sizeof(char));
size_t path_size = PATH_MAX_LENGTH * sizeof(char);
size_t path_len = strlen(path);
new_path[0] = '\0';
strlcpy(new_path, path, path_size);
if (path_len + strlen(archive_list->elems[i].data)
+ 1 < PATH_MAX_LENGTH)
{
new_path[path_len] = '#';
strlcpy(new_path + path_len + 1,
archive_list->elems[i].data,
path_size - path_len);
}
string_list_append(db->list, new_path,
archive_list->elems[i].attr);
free(new_path);
}
string_list_free(archive_list);
}
}
db_state->list_index = 0;
db_state->entry_index = 0;
if (db_state->crc != 0)
db_state->crc = 0;
return 0;
}
static int task_database_iterate_next(database_info_handle_t *db)
{
db->list_ptr++;
if (db->list_ptr < db->list->size)
return 0;
return -1;
}
static int database_info_list_iterate_new(database_state_handle_t *db_state,
const char *query)
{
const char *new_database = database_info_get_current_name(db_state);
#ifndef RARCH_INTERNAL
fprintf(stderr, "Check database [%d/%d] : %s\n", (unsigned)db_state->list_index,
(unsigned)db_state->list->size, new_database);
#endif
if (db_state->info)
{
database_info_list_free(db_state->info);
free(db_state->info);
}
db_state->info = database_info_list_new(new_database, query);
return 0;
}
static int database_info_list_iterate_found_match(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db,
const char *archive_name
)
{
char *db_crc = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *db_playlist_base_str = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *db_playlist_path = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *entry_path_str = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
playlist_t *playlist = NULL;
const char *db_path =
database_info_get_current_name(db_state);
const char *entry_path =
database_info_get_current_element_name(db);
database_info_t *db_info_entry =
&db_state->info->list[db_state->entry_index];
char *hash;
db_crc[0] = '\0';
db_playlist_path[0] = '\0';
db_playlist_base_str[0] = '\0';
entry_path_str[0] = '\0';
fill_short_pathname_representation_noext(db_playlist_base_str,
db_path, PATH_MAX_LENGTH * sizeof(char));
strlcat(db_playlist_base_str,
file_path_str(FILE_PATH_LPL_EXTENSION),
PATH_MAX_LENGTH * sizeof(char));
if (!string_is_empty(_db->playlist_directory))
fill_pathname_join(db_playlist_path, _db->playlist_directory,
db_playlist_base_str, PATH_MAX_LENGTH * sizeof(char));
playlist = playlist_init(db_playlist_path, COLLECTION_SIZE);
snprintf(db_crc, PATH_MAX_LENGTH * sizeof(char),
"%08X|crc", db_info_entry->crc32);
if (entry_path)
strlcpy(entry_path_str, entry_path, PATH_MAX_LENGTH * sizeof(char));
if (!string_is_empty(archive_name))
fill_pathname_join_delim(entry_path_str,
entry_path_str, archive_name,
'#', PATH_MAX_LENGTH * sizeof(char));
if (core_info_database_match_archive_member(
db_state->list->elems[db_state->list_index].data) &&
(hash = strchr(entry_path_str, '#')))
*hash = '\0';
#if defined(RARCH_INTERNAL)
#if 0
RARCH_LOG("Found match in database !\n");
RARCH_LOG("Path: %s\n", db_path);
RARCH_LOG("CRC : %s\n", db_crc);
RARCH_LOG("Playlist Path: %s\n", db_playlist_path);
RARCH_LOG("Entry Path: %s\n", entry_path);
RARCH_LOG("Playlist not NULL: %d\n", playlist != NULL);
RARCH_LOG("ZIP entry: %s\n", archive_name);
RARCH_LOG("entry path str: %s\n", entry_path_str);
#endif
#else
fprintf(stderr, "Found match in database !\n");
fprintf(stderr, "Path: %s\n", db_path);
fprintf(stderr, "CRC : %s\n", db_crc);
fprintf(stderr, "Playlist Path: %s\n", db_playlist_path);
fprintf(stderr, "Entry Path: %s\n", entry_path);
fprintf(stderr, "Playlist not NULL: %d\n", playlist != NULL);
fprintf(stderr, "ZIP entry: %s\n", archive_name);
fprintf(stderr, "entry path str: %s\n", entry_path_str);
#endif
if(!playlist_entry_exists(playlist, entry_path_str, db_crc))
{
playlist_push(playlist, entry_path_str,
db_info_entry->name,
file_path_str(FILE_PATH_DETECT),
file_path_str(FILE_PATH_DETECT),
db_crc, db_playlist_base_str);
}
playlist_write_file(playlist);
playlist_free(playlist);
database_info_list_free(db_state->info);
free(db_state->info);
db_state->info = NULL;
db_state->crc = 0;
free(entry_path_str);
free(db_playlist_path);
free(db_playlist_base_str);
free(db_crc);
/* Move database to start since we are likely to match against it
again */
if (db_state->list_index != 0)
{
struct string_list_elem entry = db_state->list->elems[db_state->list_index];
memmove(&db_state->list->elems[1],
&db_state->list->elems[0],
sizeof(entry) * db_state->list_index);
db_state->list->elems[0] = entry;
}
return 0;
}
/* End of entries in database info list and didn't find a
* match, go to the next database. */
static int database_info_list_iterate_next(
database_state_handle_t *db_state
)
{
db_state->list_index++;
db_state->entry_index = 0;
database_info_list_free(db_state->info);
free(db_state->info);
db_state->info = NULL;
return 1;
}
static int task_database_iterate_crc_lookup(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db,
const char *name,
const char *archive_entry)
{
if (!db_state->list ||
(unsigned)db_state->list_index == (unsigned)db_state->list->size)
return database_info_list_iterate_end_no_match(db, db_state, name);
if (db_state->entry_index == 0)
{
char query[50];
query[0] = '\0';
/* don't scan files that can't be in this database */
if (!(path_contains_compressed_file(name) &&
core_info_database_match_archive_member(
db_state->list->elems[db_state->list_index].data)) &&
!core_info_database_supports_content_path(
db_state->list->elems[db_state->list_index].data, name))
return database_info_list_iterate_next(db_state);
snprintf(query, sizeof(query),
"{crc:or(b\"%08X\",b\"%08X\")}",
db_state->crc, db_state->archive_crc);
database_info_list_iterate_new(db_state, query);
}
if (db_state->info)
{
database_info_t *db_info_entry =
&db_state->info->list[db_state->entry_index];
if (db_info_entry && db_info_entry->crc32)
{
#if 0
RARCH_LOG("CRC32: 0x%08X , entry CRC32: 0x%08X (%s).\n",
db_state->crc, db_info_entry->crc32, db_info_entry->name);
#endif
if (db_state->archive_crc == db_info_entry->crc32)
return database_info_list_iterate_found_match(
_db,
db_state, db, NULL);
if (db_state->crc == db_info_entry->crc32)
return database_info_list_iterate_found_match(
_db,
db_state, db, archive_entry);
}
}
db_state->entry_index++;
if (db_state->info)
{
if (db_state->entry_index >= db_state->info->count)
return database_info_list_iterate_next(db_state);
}
/* If we haven't reached the end of the database list yet,
* continue iterating. */
if (db_state->list_index < db_state->list->size)
return 1;
database_info_list_free(db_state->info);
if (db_state->info)
free(db_state->info);
return 0;
}
static int task_database_iterate_playlist_archive(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db, const char *name)
{
#ifdef HAVE_COMPRESSION
if (db_state->crc != 0)
return task_database_iterate_crc_lookup(
_db, db_state, db, name, db_state->archive_name);
db_state->crc = file_archive_get_file_crc32(name);
#endif
return 1;
}
static int task_database_iterate_playlist_lutro(
db_handle_t *_db,
database_state_handle_t *db_state,
database_info_handle_t *db,
const char *path)
{
char *db_playlist_path = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
playlist_t *playlist = NULL;
db_playlist_path[0] = '\0';
if (!string_is_empty(_db->playlist_directory))
fill_pathname_join(db_playlist_path,