int audit_images(int game, UINT32 validation, audit_record **audit)
{
const game_driver *gamedrv = drivers[game];
const rom_entry *region, *rom;
audit_record *record;
int foundany = FALSE;
int allshared = TRUE;
int records;
/* determine the number of records we will generate */
records = 0;
for (region = rom_first_region(gamedrv); region != NULL; region = rom_next_region(region))
for (rom = rom_first_file(region); rom != NULL; rom = rom_next_file(rom))
if (ROMREGION_ISROMDATA(region) || ROMREGION_ISDISKDATA(region))
{
if (allshared && !rom_used_by_parent(gamedrv, rom, NULL))
allshared = FALSE;
records++;
}
if (records > 0)
{
/* allocate memory for the records */
*audit = malloc_or_die(sizeof(**audit) * records);
memset(*audit, 0, sizeof(**audit) * records);
record = *audit;
/* iterate over regions and ROMs */
for (region = rom_first_region(drivers[game]); region; region = rom_next_region(region))
for (rom = rom_first_file(region); rom; rom = rom_next_file(rom))
{
int shared = rom_used_by_parent(gamedrv, rom, NULL);
/* audit a file */
if (ROMREGION_ISROMDATA(region))
{
if (audit_one_rom(rom, gamedrv, validation, record++) && (!shared || allshared))
foundany = TRUE;
}
/* audit a disk */
else if (ROMREGION_ISDISKDATA(region))
{
if (audit_one_disk(rom, gamedrv, validation, record++) && (!shared || allshared))
foundany = TRUE;
}
}
/* if we found nothing, we don't have the set at all */
if (!foundany)
{
free(*audit);
*audit = NULL;
records = 0;
}
}
return records;
}
int audit_images(core_options *options, const game_driver *gamedrv, UINT32 validation, audit_record **audit)
{
machine_config *config = global_alloc(machine_config(gamedrv->machine_config));
const rom_entry *region, *rom;
const rom_source *source;
audit_record *record;
int anyfound = FALSE;
int anyrequired = FALSE;
int allshared = TRUE;
int records;
/* determine the number of records we will generate */
records = 0;
for (source = rom_first_source(gamedrv, config); source != NULL; source = rom_next_source(gamedrv, config, source))
{
int source_is_gamedrv = rom_source_is_gamedrv(gamedrv, source);
for (region = rom_first_region(gamedrv, source); region != NULL; region = rom_next_region(region))
for (rom = rom_first_file(region); rom != NULL; rom = rom_next_file(rom))
if (ROMREGION_ISROMDATA(region) || ROMREGION_ISDISKDATA(region))
{
if (source_is_gamedrv && !ROM_ISOPTIONAL(rom) && !ROM_NOGOODDUMP(rom))
{
anyrequired = TRUE;
if (allshared && !rom_used_by_parent(gamedrv, rom, NULL))
allshared = FALSE;
}
records++;
}
}
if (records > 0)
{
/* allocate memory for the records */
*audit = global_alloc_array_clear(audit_record, records);
record = *audit;
/* iterate over ROM sources and regions */
for (source = rom_first_source(gamedrv, config); source != NULL; source = rom_next_source(gamedrv, config, source))
{
int source_is_gamedrv = rom_source_is_gamedrv(gamedrv, source);
for (region = rom_first_region(gamedrv, source); region != NULL; region = rom_next_region(region))
{
const char *regiontag = ROMREGION_ISLOADBYNAME(region) ? ROM_GETNAME(region) : NULL;
for (rom = rom_first_file(region); rom; rom = rom_next_file(rom))
{
/* audit a file */
if (ROMREGION_ISROMDATA(region))
{
audit_one_rom(options, rom, regiontag, gamedrv, validation, record);
}
/* audit a disk */
else if (ROMREGION_ISDISKDATA(region))
{
audit_one_disk(options, rom, gamedrv, validation, record);
}
else
{
continue;
}
if (source_is_gamedrv && record->status != AUDIT_STATUS_NOT_FOUND && (allshared || !rom_used_by_parent(gamedrv, rom, NULL)))
anyfound = TRUE;
record++;
}
}
}
}
/* if we found nothing, we don't have the set at all */
if (!anyfound && anyrequired)
{
global_free(*audit);
*audit = NULL;
records = 0;
}
global_free(config);
return records;
}
static void audit_one_rom(core_options *options, const rom_entry *rom, const char *regiontag, const game_driver *gamedrv, UINT32 validation, audit_record *record)
{
const game_driver *drv;
UINT32 crc = 0;
UINT8 crcs[4];
int has_crc;
/* fill in the record basics */
record->type = AUDIT_FILE_ROM;
record->name = ROM_GETNAME(rom);
record->exphash = ROM_GETHASHDATA(rom);
record->length = 0;
record->explength = rom_file_size(rom);
/* see if we have a CRC and extract it if so */
has_crc = hash_data_extract_binary_checksum(record->exphash, HASH_CRC, crcs);
if (has_crc)
crc = (crcs[0] << 24) | (crcs[1] << 16) | (crcs[2] << 8) | crcs[3];
/* find the file and checksum it, getting the file length along the way */
for (drv = gamedrv; drv != NULL; drv = driver_get_clone(drv))
{
file_error filerr;
mame_file *file;
/* open the file if we can */
astring fname(drv->name, PATH_SEPARATOR, ROM_GETNAME(rom));
if (has_crc)
filerr = mame_fopen_crc_options(options, libretro_content_directory, fname, crc, OPEN_FLAG_READ | OPEN_FLAG_NO_PRELOAD, &file);
else
filerr = mame_fopen_options(options, libretro_content_directory, fname, OPEN_FLAG_READ | OPEN_FLAG_NO_PRELOAD, &file);
/* if we got it, extract the hash and length */
if (filerr == FILERR_NONE)
{
hash_data_copy(record->hash, mame_fhash(file, validation));
record->length = (UINT32)mame_fsize(file);
mame_fclose(file);
break;
}
}
/* if not found, check the region as a backup */
if (record->length == 0 && regiontag != NULL)
{
file_error filerr;
mame_file *file;
/* open the file if we can */
astring fname(regiontag, PATH_SEPARATOR, ROM_GETNAME(rom));
if (has_crc)
filerr = mame_fopen_crc_options(options, libretro_content_directory, fname, crc, OPEN_FLAG_READ | OPEN_FLAG_NO_PRELOAD, &file);
else
filerr = mame_fopen_options(options, libretro_content_directory, fname, OPEN_FLAG_READ | OPEN_FLAG_NO_PRELOAD, &file);
/* if we got it, extract the hash and length */
if (filerr == FILERR_NONE)
{
hash_data_copy(record->hash, mame_fhash(file, validation));
record->length = (UINT32)mame_fsize(file);
mame_fclose(file);
}
}
/* if we failed to find the file, set the appropriate status */
if (record->length == 0)
{
const game_driver *parent;
/* no good dump */
if (hash_data_has_info(record->exphash, HASH_INFO_NO_DUMP))
set_status(record, AUDIT_STATUS_NOT_FOUND, SUBSTATUS_NOT_FOUND_NODUMP);
/* optional ROM */
else if (ROM_ISOPTIONAL(rom))
set_status(record, AUDIT_STATUS_NOT_FOUND, SUBSTATUS_NOT_FOUND_OPTIONAL);
/* not found and used by parent */
else if (rom_used_by_parent(gamedrv, rom, &parent))
set_status(record, AUDIT_STATUS_NOT_FOUND, (parent->flags & GAME_IS_BIOS_ROOT) ? SUBSTATUS_NOT_FOUND_BIOS : SUBSTATUS_NOT_FOUND_PARENT);
/* just plain old not found */
else
set_status(record, AUDIT_STATUS_NOT_FOUND, SUBSTATUS_NOT_FOUND);
}
/* if we did find the file, do additional verification */
else
{
/* length mismatch */
if (record->explength != record->length)
set_status(record, AUDIT_STATUS_FOUND_INVALID, SUBSTATUS_FOUND_WRONG_LENGTH);
/* found but needs a dump */
else if (hash_data_has_info(record->exphash, HASH_INFO_NO_DUMP))
set_status(record, AUDIT_STATUS_GOOD, SUBSTATUS_FOUND_NODUMP);
/* incorrect hash */
else if (!hash_data_is_equal(record->exphash, record->hash, 0))
set_status(record, AUDIT_STATUS_FOUND_INVALID, SUBSTATUS_FOUND_BAD_CHECKSUM);
/* correct hash but needs a redump */
else if (hash_data_has_info(record->exphash, HASH_INFO_BAD_DUMP))
set_status(record, AUDIT_STATUS_GOOD, SUBSTATUS_GOOD_NEEDS_REDUMP);
/* just plain old good */
else
set_status(record, AUDIT_STATUS_GOOD, SUBSTATUS_GOOD);
}
}
static int audit_one_rom(const rom_entry *rom, const game_driver *gamedrv, UINT32 validation, audit_record *record)
{
const game_driver *drv;
const rom_entry *chunk;
UINT32 crc = 0;
UINT8 crcs[4];
int has_crc;
/* fill in the record basics */
record->type = AUDIT_FILE_ROM;
record->name = ROM_GETNAME(rom);
record->exphash = ROM_GETHASHDATA(rom);
/* compute the expected length by summing the chunks */
for (chunk = rom_first_chunk(rom); chunk; chunk = rom_next_chunk(chunk))
record->explength += ROM_GETLENGTH(chunk);
/* see if we have a CRC and extract it if so */
has_crc = hash_data_extract_binary_checksum(record->exphash, HASH_CRC, crcs);
if (has_crc)
crc = (crcs[0] << 24) | (crcs[1] << 16) | (crcs[2] << 8) | crcs[3];
/* find the file and checksum it, getting the file length along the way */
for (drv = gamedrv; drv != NULL; drv = driver_get_clone(drv))
{
mame_file_error filerr;
mame_file *file;
char *fname;
/* open the file if we can */
fname = assemble_3_strings(drv->name, PATH_SEPARATOR, ROM_GETNAME(rom));
if (has_crc)
filerr = mame_fopen_crc(SEARCHPATH_ROM, fname, crc, OPEN_FLAG_READ, &file);
else
filerr = mame_fopen(SEARCHPATH_ROM, fname, OPEN_FLAG_READ, &file);
free(fname);
/* if we got it, extract the hash and length */
if (filerr == FILERR_NONE)
{
hash_data_copy(record->hash, mame_fhash(file, validation));
record->length = (UINT32)mame_fsize(file);
mame_fclose(file);
break;
}
}
/* if we failed to find the file, set the appropriate status */
if (drv == NULL)
{
const game_driver *parent;
/* no good dump */
if (hash_data_has_info(record->exphash, HASH_INFO_NO_DUMP))
set_status(record, AUDIT_STATUS_NOT_FOUND, SUBSTATUS_NOT_FOUND_NODUMP);
/* optional ROM */
else if (ROM_ISOPTIONAL(rom))
set_status(record, AUDIT_STATUS_NOT_FOUND, SUBSTATUS_NOT_FOUND_OPTIONAL);
/* not found and used by parent */
else if (rom_used_by_parent(gamedrv, rom, &parent))
set_status(record, AUDIT_STATUS_NOT_FOUND, (parent->flags & NOT_A_DRIVER) ? SUBSTATUS_NOT_FOUND_BIOS : SUBSTATUS_NOT_FOUND_PARENT);
/* just plain old not found */
else
set_status(record, AUDIT_STATUS_NOT_FOUND, SUBSTATUS_NOT_FOUND);
}
/* if we did find the file, do additional verification */
else
{
/* length mismatch */
if (record->explength != record->length)
set_status(record, AUDIT_STATUS_FOUND_INVALID, SUBSTATUS_FOUND_WRONG_LENGTH);
/* found but needs a dump */
else if (hash_data_has_info(record->exphash, HASH_INFO_NO_DUMP))
set_status(record, AUDIT_STATUS_GOOD, SUBSTATUS_FOUND_NODUMP);
/* incorrect hash */
else if (!hash_data_is_equal(record->exphash, record->hash, 0))
set_status(record, AUDIT_STATUS_FOUND_INVALID, SUBSTATUS_FOUND_BAD_CHECKSUM);
/* correct hash but needs a redump */
else if (hash_data_has_info(record->exphash, HASH_INFO_BAD_DUMP))
set_status(record, AUDIT_STATUS_GOOD, SUBSTATUS_GOOD_NEEDS_REDUMP);
/* just plain old good */
else
set_status(record, AUDIT_STATUS_GOOD, SUBSTATUS_GOOD);
}
/* return TRUE if we found anything at all */
return (drv != NULL);
}