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(Task database) Experimental database scanning

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This commit is contained in:
twinaphex 2015-05-25 07:05:00 +02:00
parent 76e1c2d965
commit 0f58ad0e4e
2 changed files with 57 additions and 3 deletions
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1
runloop_data.h
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@ -121,6 +121,7 @@ typedef struct nbio_handle
typedef struct database_state_handle
{
database_info_list_t *info;
struct string_list *list;
size_t list_index;
size_t entry_index;

59
tasks/task_database.c
View File

@ -102,15 +102,67 @@ static int database_info_iterate_crc_lookup(
database_state_handle_t *db_state,
database_info_handle_t *db)
{
if (db_state->list_index == 0)
if ((unsigned)db_state->list_index == (unsigned)db_state->list->size)
{
/* Grab database state */
/* Reached end of database list, CRC match probably didn't succeed. */
db_state->list_index = 0;
db_state->entry_index = 0;
return 0;
}
RARCH_LOG("CRC32: 0x%x .\n", (unsigned)db_state->crc);
if (db_state->entry_index == 0)
{
/* Grab database state */
const char *new_database = db_state->list->elems[db_state->list_index].data;
RARCH_LOG("Check database [%d/%d] : %s\n", (unsigned)db_state->list_index,
(unsigned)db_state->list->size, new_database);
db_state->info = database_info_list_new(new_database, NULL);
}
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 && db_info_entry->crc32[0] != '\0')
{
/* Check if the CRC matches with the current entry. */
unsigned int entry_crc = (unsigned int)atol(db_info_entry->crc32);
RARCH_LOG("CRC32: 0x%x , entry CRC32: 0x%s [REAL: 0x%x] (%s).\n",
(unsigned)db_state->crc, db_info_entry->crc32, entry_crc, db_info_entry->name);
if (db_state->crc == entry_crc)
{
RARCH_LOG("Found match in database !\n");
return 0;
}
}
}
db_state->entry_index++;
if (db_state->entry_index >= db_state->info->count)
{
/* End of entries in database info list and didn't find a
* match, go to the next database. */
db_state->list_index++;
db_state->entry_index = 0;
database_info_list_free(db_state->info);
return 1;
}
if (db_state->list_index < db_state->list->size)
{
/* Didn't reach the end of the database list yet,
* continue iterating. */
return 1;
}
if (db_state->info)
database_info_list_free(db_state->info);
return 0;
}
@ -213,6 +265,7 @@ void rarch_main_data_db_iterate(bool is_thread, void *data)
if (database_info_iterate_next(db) == 0)
{
db->status = DATABASE_STATUS_ITERATE_START;
db->type = DATABASE_TYPE_ITERATE;
}
else
{