From: Martin Mares <mj@ucw.cz>
Date: Thu, 30 Dec 2010 13:46:09 +0000 (+0100)
Subject: Fixed parsing of /proc/loadavg
X-Git-Tag: v1.13~3
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=95d38735feda771996883e39a723e9848ca1117b;p=ywho.git

Fixed parsing of /proc/loadavg

It no longer accesses one byte before the line buffer.
---

diff --git a/ywho.c b/ywho.c
index 12a2079..15d1b46 100644
--- a/ywho.c
+++ b/ywho.c
@@ -274,11 +274,14 @@ line2(void)
     {
       int i = 3;
       fgets(line, 256, f);
-      *strchr(line, '\n') = 0;
-      z = line-1;
+      z = strchr(line, '\n');
+      if (z)
+	*z = 0;
+      z = line;
       while (i-- && z)
 	{
-	  *z = '/';
+	  if (z > line)
+	    *z = '/';
 	  z = strchr(z, ' ');
 	}
       if (z)