Fix comparisons in str_squeeze.
@@ -543,7 +543,7 @@ str_squeeze(mrb_state *mrb, mrb_value str, mrb_value v_pat)
{
struct tr_pattern *pat = NULL;
mrb_int i;
- char *s;
+ unsigned char *s;
mrb_int len;
mrb_bool flag_changed = FALSE;
mrb_int lastch = -1;
@@ -552,7 +552,7 @@ str_squeeze(mrb_state *mrb, mrb_value str, mrb_value v_pat)
if (!mrb_nil_p(v_pat)) {
pat = tr_parse_pattern(mrb, pat, v_pat, TRUE);
}
- s = RSTRING_PTR(str);
+ s = (unsigned char *)RSTRING_PTR(str);
len = RSTRING_LEN(str);
if (pat) {
