diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/string.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/string.c b/src/string.c index b7f45aef0..ad3ef2c70 100644 --- a/src/string.c +++ b/src/string.c @@ -1660,7 +1660,7 @@ mrb_str_rindex_m(mrb_state *mrb, mrb_value str) mrb_int len = RSTRING_LEN(str); unsigned char *p = (unsigned char*)RSTRING_PTR(str); - for (pos=len;pos>=0;pos--) { + for (pos=len-1;pos>=0;pos--) { if (p[pos] == c) return mrb_fixnum_value(pos); } return mrb_nil_value(); |