static int
pg_sjis_verifier(const unsigned char *s, int len)
{
int l, mbl;
unsigned char c1, c2;
l = mbl = pg_sjis_mblen(s);
if (len < l)
return -1;
if (l == 1) /* pg_sjis_mblen already verified it */
return mbl;
c1 = *s++;
c2 = *s;
if (!ISSJISHEAD(c1) || !ISSJISTAIL(c2))
return -1;
return mbl;
}
m = c[1] - 0x40;
if (m >= 0x40)
m--;
ucs = 0xe000 + n * 188 + m;
*dest++ = (ucs >> 12) | 0xe0;
*dest++ = (ucs & 0x0fc0) >> 6 | 0x80;
*dest++ = (ucs & 0x003f) | 0x80;
}
*dest = '\0';
}
else
{
clen = (ISSJISHEAD(c[0]) ? 2 : 1);
sjis_len += clen;
}
}
/* SJIS to UTF8 */
if (sjis_len > 0)
DirectFunctionCall5(sjis_to_utf8, PG_SJIS, PG_UTF8,
CStringGetDatum(p), CStringGetDatum(dest),
sjis_len);
if (fallback_character != NULL &&
fallback_character != (unsigned char*) eudc_fallback_character)
pfree(fallback_character);
PG_RETURN_VOID();
