From 39db258874c95d2fa0892135a3678f7703936dc7 Mon Sep 17 00:00:00 2001
From: robertl <robertl>
Date: Thu, 23 Nov 2006 03:31:40 +0000
Subject: [PATCH] When lrtrimming a zero-length string, return before we get a
 chance to walk past its bounds.

---
 util.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/util.c b/util.c
index 34d61e2bf..2ff419df2 100644
--- a/util.c
+++ b/util.c
@@ -421,6 +421,9 @@ lrtrim(char *buff)
 {
 	char *c;
 
+	if (buff[0] == '\0')
+		return buff;
+
 	c = buff + strlen(buff);
 	while ((c >= buff) && ((unsigned char)*c <= ' ')) *c-- = '\0';
 
-- 
2.30.2