When lrtrimming a zero-length string, return before we get a chance to walk past...

diff --git a/gpsbabel/util.c b/gpsbabel/util.c
index 34d61e2bf7856d0d9e4fc39139454faa6ecb2268..2ff419df2244036b2a8af6b2f6afc2f3d7fc2f09 100644 (file)
--- a/gpsbabel/util.c
+++ b/gpsbabel/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';