From a639ca4291009cdebb3f997829724abbe11e3e16 Mon Sep 17 00:00:00 2001
From: robertl <robertl@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Date: Tue, 3 Jun 2003 18:14:29 +0000
Subject: [PATCH] Make rtrim work sensibly when passed null pointers or
 pointers to empty strings.

---
 gpsbabel/util.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gpsbabel/util.c b/gpsbabel/util.c
index 52cfb4c19..06656b4e0 100644
--- a/gpsbabel/util.c
+++ b/gpsbabel/util.c
@@ -194,6 +194,10 @@ pstrdup(char *src)
 void 
 rtrim(char *s)
 {
+	if (!s || !*s) {
+		return;
+	}
+
 	while (*s) {
 		s++;
 	}
-- 
2.30.2