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-rw-r--r--string.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/string.c b/string.c
index 5b73d1b962..5440e37388 100644
--- a/string.c
+++ b/string.c
@@ -1357,6 +1357,13 @@ str_offset(const char *p, const char *e, int nth, rb_encoding *enc, int singleby
return pp - p;
}
+long
+rb_str_offset(VALUE str, long pos)
+{
+ return str_offset(RSTRING_PTR(str), RSTRING_END(str), pos,
+ STR_ENC_GET(str), single_byte_optimizable(str));
+}
+
#ifdef NONASCII_MASK
static char *
str_utf8_nth(const char *p, const char *e, int nth)
@@ -2372,9 +2379,8 @@ rb_str_index_m(int argc, VALUE *argv, VALUE str)
switch (TYPE(sub)) {
case T_REGEXP:
pos = str_offset(RSTRING_PTR(str), RSTRING_END(str), pos,
- rb_enc_check(str, sub), single_byte_optimizable(str));
+ rb_enc_check(str, sub), single_byte_optimizable(str));
- pos = rb_reg_adjust_startpos(sub, str, pos, 0);
pos = rb_reg_search(sub, str, pos, 0);
pos = rb_str_sublen(str, pos);
break;
@@ -2489,7 +2495,6 @@ rb_str_rindex_m(int argc, VALUE *argv, VALUE str)
STR_ENC_GET(str), single_byte_optimizable(str));
if (!RREGEXP(sub)->ptr || RREGEXP_SRC_LEN(sub)) {
- pos = rb_reg_adjust_startpos(sub, str, pos, 1);
pos = rb_reg_search(sub, str, pos, 1);
pos = rb_str_sublen(str, pos);
}