Need to preserve the original input string in `mrb_str_len_to_dbl`.
@@ -2492,16 +2492,15 @@ double
mrb_str_len_to_dbl(mrb_state *mrb, const char *s, size_t len, mrb_bool badcheck)
{
char buf[DBL_DIG * 4 + 10];
- const char *p;
- const char *pend = s + len;
+ const char *p = s;
+ const char *pend = p + len;
char *end;
char *n;
char prev = 0;
double d;
- if (!s) return 0.0;
- while (ISSPACE(*s)) s++;
- p = s;
+ if (!p) return 0.0;
+ while (ISSPACE(*p)) p++;
if (p[0] == '0' && (p[1] == 'x' || p[1] == 'X')) {
mrb_value x;
