char *
strcasestr2 (const char *str, const char *search)
{
if (!(*search))
return (char *) str;
return (char *) memmem2 (str, strlen (str), search, strlen (search), MEMMEM2_CASE);
}
const st_filter_t *
filter_get_filter_by_magic (const st_filter_chain_t *fc, const unsigned char *magic, int magic_len)
{
int x = 0;
if (magic && magic_len > 0)
for (; fc->all[x]; x++)
{
int m_len = fc->all[x]->magic_len;
if (m_len == -1)
m_len = strlen (fc->all[x]->magic);
if (fc->all[x]->magic && m_len > 0)
if (!memcmp (fc->all[x]->magic, magic, magic_len) ||
memmem2 (fc->all[x]->magic, m_len, magic, magic_len, 0))
return fc->all[x];
}
return NULL;
}
//#ifdef TEST
int
main (int argc, char **argv)
{
#define MAXBUFSIZE 32768
char buf[MAXBUFSIZE];
#if 0
const char *b = "123(123.32.21.44)214";
const char *s = "(xxx.xx.xx.xx)";
// const char *p = memmem2 (b, strlen (b), s, strlen (s), MEMCMP2_WCARD('*', 'x'));
const char *p = memmem2 (b, strlen (b), s, strlen (s), MEMCMP2_WCARD('x'));
printf ("%s\n", p);
strcpy (buf, "1234567890");
strins (buf + 2, 6, "abc");
printf ("%s\n", buf);
#else
strcpy (buf, "12434akjgkjh56453fdsg");
stritrim_s (buf, "sg", "xx");
printf (buf);
#endif
return 0;
}
int
pce_init (st_ucon64_nfo_t *rominfo)
{
int result = -1, size, swapped, x;
unsigned char *rom_buffer;
st_pce_data_t *info, key;
x = ucon64.file_size % (16 * 1024);
rominfo->backup_header_len = UCON64_ISSET (ucon64.backup_header_len) ?
ucon64.backup_header_len : (ucon64.file_size > x ? x : 0);
size = ucon64.file_size - rominfo->backup_header_len;
if ((rom_buffer = (unsigned char *) malloc (size)) == NULL)
{
fprintf (stderr, ucon64_msg[ROM_BUFFER_ERROR], size);
return -1;
}
ucon64_fread (rom_buffer, rominfo->backup_header_len, size, ucon64.fname);
if (pce_check (rom_buffer, size) == 1)
result = 0;
swapped = -1;
/*
29 40 f0 => unhacked
29 40 80 => U.S.A. -> Jap hack
94 02 0f => bit-swapped and unhacked
94 02 01 => bit-swapped and hacked
According to Cowering 2 or 3 games don't use these opcodes to check if a
Japanese game is running on an American console. If they are present then
it is in the first 500 (or so) bytes.
The check for "A..Z" is a fix for Puzznic (J). The check for "HESM" a fix
for:
Fire Pro Wrestling - 2nd Bout Sounds
Fire Pro Wrestling 3 - Legend Bout Sounds
*/
x = size > 32768 ? 32768 : size;
if ((memmem2 (rom_buffer, x, "\x94\x02\x0f", 3, 0) ||
memmem2 (rom_buffer, x, "\x94\x02\x01", 3, 0)) &&
memmem2 (rom_buffer, x, "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 26, 0) == 0 &&
memcmp (rom_buffer, "HESM", 4))
swapped = 1;
if (UCON64_ISSET (ucon64.interleaved))
swapped = ucon64.interleaved;
if ((result == -1 && swapped != 0) || swapped == 1)
{ // don't swap the bits if -nint is specified
if (!UCON64_ISSET (ucon64.do_not_calc_crc) || swapped == 1)
ucon64.fcrc32 = crc32 (0, rom_buffer, size);
swapbits (rom_buffer, size);
if (pce_check (rom_buffer, size) == 1)
{
swapped = 1;
result = 0;
}
if (swapped != 1)
{
ucon64.crc32 = ucon64.fcrc32;
ucon64.fcrc32 = 0;
}
}
if (swapped != -1)
rominfo->interleaved = swapped;
if (ucon64.console == UCON64_PCE)
result = 0;
rominfo->header_start = PCE_HEADER_START;
rominfo->header_len = PCE_HEADER_LEN;
rominfo->console_usage = pce_usage[0].help;
rominfo->backup_usage = rominfo->backup_header_len ? msg_usage[0].help : mgd_usage[0].help;
if (!UCON64_ISSET (ucon64.do_not_calc_crc) && result == 0)
{
if (!ucon64.crc32)
ucon64.crc32 = crc32 (0, rom_buffer, size);
// additional info
key.crc32 = ucon64.crc32;
info = (st_pce_data_t *) bsearch (&key, pce_data,
sizeof pce_data / sizeof (st_pce_data_t),
sizeof (st_pce_data_t), pce_compare);
if (info)
{
if (info->maker)
rominfo->maker = NULL_TO_UNKNOWN_S (pce_maker[MIN (info->maker,
PCE_MAKER_MAX - 1)]);
if (info->serial)
if (info->serial[0])
{
strcat (rominfo->misc, "\nSerial: ");
strcat (rominfo->misc, info->serial);
}
if (info->date)
{
int day = info->date / 10000, month = (info->date % 10000) / 100,
year = info->date % 100;
char date[80];
date[0] = 0;
if (day)
sprintf (date, "\nDate: %d/%d/19%d", day, month, year);
else if (month)
sprintf (date, "\nDate: %d/19%d", month, year);
else if (year)
sprintf (date, "\nDate: 19%d", year);
strcat (rominfo->misc, date);
}
if (info->comment)
if (info->comment[0])
{
strcat (rominfo->misc, "\nComment: ");
strcat (rominfo->misc, info->comment);
}
}
}
free (rom_buffer);
return result;
}
