From 9e062992801d21d8284ec6c9afb9aba259689da7 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 7 Oct 2017 15:17:02 +0200
Subject: [PATCH] exits loop when inst is null

---
 regexec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/regexec.c b/regexec.c
index d8aecc1..df75cf1 100644
--- a/regexec.c
+++ b/regexec.c
@@ -81,7 +81,7 @@ regexec1(Reprog *progp,	/* program to run */
 
 		/* Execute machine until current list is empty */
 		for(tlp=tl; tlp->inst; tlp++){	/* assignment = */
-			for(inst = tlp->inst; ; inst = inst->l.next){
+			for(inst = tlp->inst; inst; inst = inst->l.next){
 				switch(inst->type){
 				case RUNE:	/* regular character */
 					if(inst->r.r == r){
-- 
2.52.0