From 302fae854c6f9dff7f7654b21045b40772dca495 Mon Sep 17 00:00:00 2001
From: Philip Kovacs <pkovacs@users.sourceforge.net>
Date: Tue, 26 Dec 2006 20:49:35 +0000
Subject: [PATCH] clear conky vars on disconnect/failure to open files

git-svn-id: https://conky.svn.sourceforge.net/svnroot/conky/trunk/conky1@820 7f574dfc-610e-0410-a909-a81674777703
---
 ChangeLog   |  3 +++
 src/linux.c | 15 +++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index fa534803..2a057c44 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 # $Id$
 
+2006-12-26
+	* Clear conky vars on disconnect/failure to open files.
+
 2006-12-23
 	* Updated to libmpdclient 0.12.0
 
diff --git a/src/linux.c b/src/linux.c
index 446e4e4a..228011b2 100644
--- a/src/linux.c
+++ b/src/linux.c
@@ -75,6 +75,7 @@ void update_uptime()
   
     if (!(fp = open_file("/proc/uptime", &rep)))
     {
+      info.uptime=0.0;
       return;
     }
 	  fscanf(fp, "%lf", &info.uptime);
@@ -149,7 +150,10 @@ inline void update_net_stats()
 
 	/* open file and ignore first two lines */
   if (!(net_dev_fp = open_file("/proc/net/dev", &rep)))
+  {
+    clear_net_stats ();
     return;
+  }
 
 	fgets(buf, 255, net_dev_fp);	/* garbage */
 	fgets(buf, 255, net_dev_fp);	/* garbage (field names) */
@@ -326,6 +330,7 @@ void update_total_processes()
 
     if (!(fp = open_file("/proc/loadavg", &rep)))
     {
+      info.procs=0;
       return;
     }
     fscanf(fp, "%*f %*f %*f %*d/%hd", &info.procs );
@@ -428,7 +433,14 @@ inline static void update_stat()
 	}
 
   if (!(stat_fp = open_file("/proc/stat", &rep)))
+  {
+    info.run_procs=0;
+    if (info.cpu_usage)
+    {
+       memset(info.cpu_usage, 0, info.cpu_count * sizeof (float));
+    }
     return;
+  }
 
 	index = 0;
 	while (!feof(stat_fp)) {
@@ -1519,7 +1531,10 @@ void update_diskio()
 	int col_count = 0;
 
 	if (!(fp =open_file("/proc/diskstats", &rep)))
+  {
+      diskio_value=0;
       return;
+  }
 
 	/* read reads and writes from all disks (minor = 0), including
 	 * cd-roms and floppies, and summ them up