From 7d5c275cb8df79637212dc89ab980dabfc39a6df Mon Sep 17 00:00:00 2001
From: reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>
Date: Thu, 11 Mar 2004 06:39:59 +0000
Subject: [lcd4linux @ 2004-03-11 06:39:58 by reinelt] big patch from Martin: -
 reuse filehandles - memory leaks fixed - earlier busy-flag checking with
 HD44780 - reuse memory for strings in RESULT and hash - netdev_fast to wavid
 time-consuming regex

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@393 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
---
 plugin_cpuinfo.c | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

(limited to 'plugin_cpuinfo.c')

diff --git a/plugin_cpuinfo.c b/plugin_cpuinfo.c
index 1bec66b..2fcb98d 100644
--- a/plugin_cpuinfo.c
+++ b/plugin_cpuinfo.c
@@ -1,4 +1,4 @@
-/* $Id: plugin_cpuinfo.c,v 1.8 2004/03/03 03:47:04 reinelt Exp $
+/* $Id: plugin_cpuinfo.c,v 1.9 2004/03/11 06:39:59 reinelt Exp $
  *
  * plugin for /proc/cpuinfo parsing
  *
@@ -23,6 +23,14 @@
  *
  *
  * $Log: plugin_cpuinfo.c,v $
+ * Revision 1.9  2004/03/11 06:39:59  reinelt
+ * big patch from Martin:
+ * - reuse filehandles
+ * - memory leaks fixed
+ * - earlier busy-flag checking with HD44780
+ * - reuse memory for strings in RESULT and hash
+ * - netdev_fast to wavid time-consuming regex
+ *
  * Revision 1.8  2004/03/03 03:47:04  reinelt
  * big patch from Martin Hejl:
  * - use qprintf() where appropriate
@@ -84,24 +92,22 @@
 
 
 static HASH CPUinfo = { 0, };
-
+static FILE *stream = NULL;
 
 static int parse_cpuinfo (void)
 {
   int age;
-  FILE *stream;
   
   // reread every second only
   age=hash_age(&CPUinfo, NULL, NULL);
   if (age>0 && age<=1000) return 0;
   
-    
-  stream=fopen("/proc/cpuinfo", "r");
-  if (stream==NULL) {
+  if (stream == NULL) stream=fopen("/proc/cpuinfo", "r");
+  if (stream == NULL) {
     error ("fopen(/proc/cpuinfo) failed: %s", strerror(errno));
     return -1;
   }
-    
+  rewind(stream);
   while (!feof(stream)) {
     char buffer[256];
     char *c, *key, *val;
@@ -123,7 +129,6 @@ static int parse_cpuinfo (void)
     hash_set (&CPUinfo, key, val);
       
   }
-  fclose (stream);
   return 0;
 }
   
@@ -153,5 +158,9 @@ int plugin_init_cpuinfo (void)
 
 void plugin_exit_cpuinfo(void) 
 {
-	hash_destroy(&CPUinfo);
+  if (stream != NULL) {
+    fclose (stream);
+    stream = NULL;
+  }
+  hash_destroy(&CPUinfo);
 }
-- 
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