use faster ISDIGIT() assuming ASCII

jballanc · Dec 26, 2011 · 5c9d858 · 5c9d858
1 parent 5ed07cb
commit 5c9d858
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/bignum.c b/bignum.c
@@ -517,6 +517,8 @@ rb_cstr_to_inum(const char *str, int base, int badcheck)
     VALUE z;
     BDIGIT *zds;
 
+#undef ISDIGIT
+#define ISDIGIT(c) ('0' <= (c) && (c) <= '9')
 #define conv_digit(c) \
     (!ISASCII(c) ? -1 : \
      ISDIGIT(c) ? ((c) - '0') : \