From 59a314fd82aefb99aea2e3956248a928f55fa5e4 Mon Sep 17 00:00:00 2001
From: reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>
Date: Fri, 30 Jan 2004 07:12:35 +0000
Subject: [lcd4linux @ 2004-01-30 07:12:35 by reinelt] HD44780 busy-flag
 support from Martin Hejl loadavg() uClibc replacement from Martin Heyl
 round() uClibc replacement from Martin Hejl warning in i2c_sensors fixed [

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@347 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
---
 plugin_loadavg.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 49 insertions(+), 1 deletion(-)

(limited to 'plugin_loadavg.c')

diff --git a/plugin_loadavg.c b/plugin_loadavg.c
index e88baaa..3160122 100644
--- a/plugin_loadavg.c
+++ b/plugin_loadavg.c
@@ -1,4 +1,4 @@
-/* $Id: plugin_loadavg.c,v 1.2 2004/01/29 04:40:02 reinelt Exp $
+/* $Id: plugin_loadavg.c,v 1.3 2004/01/30 07:12:35 reinelt Exp $
  *
  * plugin for load average
  *
@@ -23,6 +23,13 @@
  *
  *
  * $Log: plugin_loadavg.c,v $
+ * Revision 1.3  2004/01/30 07:12:35  reinelt
+ * HD44780 busy-flag support from Martin Hejl
+ * loadavg() uClibc replacement from Martin Heyl
+ * round() uClibc replacement from Martin Hejl
+ * warning in i2c_sensors fixed
+ * [
+ *
  * Revision 1.2  2004/01/29 04:40:02  reinelt
  * every .c file includes "config.h" now
  *
@@ -49,10 +56,51 @@
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 
 #include "debug.h"
 #include "plugin.h"
 
+#ifndef HAVE_GETLOADAVG
+
+int getloadavg (double loadavg[], int nelem)
+{
+  static int fd=-2;
+  char buf[65], *p;
+  ssize_t nread;
+  int i;
+      
+  if (fd==-2) fd = open ("/proc/loadavg", O_RDONLY);
+  if (fd < 0) return -1;
+
+  lseek(fd,0,SEEK_SET);
+  nread = read (fd, buf, sizeof buf - 1);
+  //close (fd);
+  
+  if (nread < 0) return -1;
+  buf[nread - 1] = '\0';
+  
+  if (nelem > 3) nelem = 3;
+  p = buf;
+  for (i = 0; i < nelem; ++i) {
+    char *endp;
+    loadavg[i] = strtod (p, &endp);
+    if (endp == NULL || endp == p)
+      /* This should not happen.  The format of /proc/loadavg
+	 must have changed.  Don't return with what we have,
+	 signal an error.  */
+      return -1;
+    p = endp;
+  }
+  
+  return i;
+}
+
+#endif
+
 
 static void my_loadavg (RESULT *result, RESULT *arg1)
 {
-- 
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