From 222dea055c622822ff24a2fa14564231bf3323d0 Mon Sep 17 00:00:00 2001
From: "Barton E. Schaefer" <schaefer@zsh.org>
Date: Sat, 23 Apr 2016 14:20:16 -0700
Subject: Mikael Berthe: 38307: PCRE segfault when parenthesized group matches
 nothing

unposted: regression test for 38307
---
 Src/Modules/pcre.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Src/Modules')

diff --git a/Src/Modules/pcre.c b/Src/Modules/pcre.c
index e23ab57f5..5fd67963d 100644
--- a/Src/Modules/pcre.c
+++ b/Src/Modules/pcre.c
@@ -228,7 +228,7 @@ zpcre_get_substrings(char *arg, int *ovec, int ret, char *matchvar,
 		    /* Find the start offset */
 		    MB_CHARINIT();
 		    leftlen = ipair[0];
-		    while (leftlen) {
+		    while (leftlen > 0) {
 			offs++;
 			clen = MB_CHARLEN(ptr, leftlen);
 			ptr += clen;
-- 
cgit 1.4.1