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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-07-21 13:30:46 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-07-21 13:30:46 +0000
commit90311f37e47dd62ffad20c90db68a0705c050061 (patch)
treea729a6e8af5377ffad933e25d2975b0bb140aba3 /ext/strscan/strscan.c
parent5f534b7d4684f5bf826ab9ad4dac166f5b938f1d (diff)
strscan.c: fix segfault in aref
* ext/strscan/strscan.c (strscan_aref): fix segfault after get_byte or getch which do not apply regexp. [ruby-core:82116] [Bug #13759] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59384 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/strscan/strscan.c')
-rw-r--r--ext/strscan/strscan.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/strscan/strscan.c b/ext/strscan/strscan.c
index 838f0e7..75cff37 100644
--- a/ext/strscan/strscan.c
+++ b/ext/strscan/strscan.c
@@ -1034,6 +1034,7 @@ strscan_aref(VALUE self, VALUE idx)
idx = rb_sym2str(idx);
/* fall through */
case T_STRING:
+ if (!p->regex) return Qnil;
RSTRING_GETMEM(idx, name, i);
i = name_to_backref_number(&(p->regs), p->regex, name, name + i, rb_enc_get(idx));
break;