commit 2321ca2a78286bc026fa7f407281ddbeb04114bb
author Bram Moolenaar <Bram@vim.org> Fri Sep 09 14:17:18 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Fri Sep 09 14:17:18 2016 +0200
tree 005460893dee4e745b78b90300b66afaa0395682
parent 9a27c7fde6d453d9892b6f6baa756bce4d6d419d

patch 7.4.2349
Problem:    Valgrind reports using uninitialzed memory. (Dominique Pelle)
Solution:   Check the length before checking for a NUL.

src/message.c

diff --git a/src/message.c b/src/message.c
index 6ec325e..f8152a7 100644
--- a/src/message.c
+++ b/src/message.c
@@ -2462,7 +2462,7 @@
     if (!(silent_mode && p_verbose == 0))
 	mch_settmode(TMODE_COOK);	/* handle '\r' and '\n' correctly */
 #endif
-    while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen))
+    while ((maxlen < 0 || (int)(s - str) < maxlen) && *s != NUL)
     {
 	if (!(silent_mode && p_verbose == 0))
 	{