diff options
-rw-r--r-- | util.c | 11 |
1 files changed, 4 insertions, 7 deletions
@@ -57,19 +57,16 @@ ruby_scan_hex(const char *start, size_t len, size_t *retlen) { register const char *s = start; register unsigned long retval = 0; - const char *tmp; + signed char d; size_t i = 0; for (i = 0; i < len; i++) { - if (! s[0]) { - break; - } - tmp = strchr(hexdigit, *s); - if (! tmp) { + d = ruby_digit36_to_number_table[(unsigned char)*s]; + if (d < 0 || 15 < d) { break; } retval <<= 4; - retval |= (tmp - hexdigit) & 15; + retval |= d; s++; } *retlen = (int)(s - start); /* less than len */ |