From: K.Kosako <kosako@sofnec.co.jp>
Date: Fri, 20 Sep 2019 06:02:11 +0000 (+0900)
Subject: fix: add data ensure check before peek string value in OP_PUSH_IF_PEEK_NEXT
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8aa91abcfc22ca3da693267e3f186544fed3e740;p=onig

fix: add data ensure check before peek string value in OP_PUSH_IF_PEEK_NEXT
---

diff --git a/src/regexec.c b/src/regexec.c
index 40642c7..f8bccc3 100644
--- a/src/regexec.c
+++ b/src/regexec.c
@@ -3759,7 +3759,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
 
         addr = p->push_if_peek_next.addr;
         c    = p->push_if_peek_next.c;
-        if (c == *s) {
+        if (DATA_ENSURE_CHECK1 && c == *s) {
           STACK_PUSH_ALT(p + addr, s, sprev);
           INC_OP;
           JUMP_OUT;