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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-12-17 00:52:47 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-12-17 00:52:47 +0000
commit34889ca91f341e98dfde13568da06c4286ecb247 (patch)
tree2d9a4d22717157fc83b524fb42719626b3a39991 /re.c
parent33ce5b496ef807a254e51679d4770fa0b09766f3 (diff)
downloadruby-34889ca91f341e98dfde13568da06c4286ecb247.tar.gz
re.c: non-regexp name reference
* re.c (rb_reg_regsub): other than regexp has no name references. [ruby-core:78686] [Bug #13042] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57098 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 're.c')
-rw-r--r--re.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/re.c b/re.c
index 17893dd8e8..063e6d15c8 100644
--- a/re.c
+++ b/re.c
@@ -3731,7 +3731,8 @@ rb_reg_regsub(VALUE str, VALUE src, struct re_registers *regs, VALUE regexp)
if (name_end < e) {
VALUE n = rb_str_subseq(str, (long)(name - RSTRING_PTR(str)),
(long)(name_end - name));
- if (!rb_enc_compatible(RREGEXP_SRC(regexp), n) ||
+ if (NIL_P(regexp) ||
+ !rb_enc_compatible(RREGEXP_SRC(regexp), n) ||
(no = name_to_backref_number(regs, regexp, name, name_end)) < 1) {
name_to_backref_error(n);
}