From aa1149d5f944e44b2b33eb727e63ec4d592cbc30 Mon Sep 17 00:00:00 2001
From: Doug Torrance <dtorrance@monmouthcollege.edu>
Date: Sat, 24 Jan 2015 12:05:39 -0600
Subject: [PATCH] wmmenu: Fix -Wunused-result compiler warning.

Print a warning message if system() fails.
---
 wmmenu/events.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/wmmenu/events.c b/wmmenu/events.c
index 8c44f55..0498635 100644
--- a/wmmenu/events.c
+++ b/wmmenu/events.c
@@ -31,6 +31,7 @@ Reparent and Destroy events are catched with StructureNotifyMask.
 #include "menu.h"
 #include "xobjects.h"
 #include "pixmaps.h"
+#include "error.h"
 
 static bool BarShown = false ;
 static bool HideBarDelayed = false ;
@@ -134,7 +135,11 @@ static void InvokeBar (int x, int y)
 
         if (entry < Menu_GetNbEntries ())
         {
-            system (Menu_GetEntryCommand (entry)) ;
+            const char *command;
+
+            command = Menu_GetEntryCommand (entry);
+            if (system (command) == -1)
+                warn("'%s' returned an error\n", command);
         }
     }