aboutsummaryrefslogtreecommitdiffstats
path: root/plugin_meminfo.c
diff options
context:
space:
mode:
authorreinelt <>2004-01-16 07:26:25 +0000
committerreinelt <>2004-01-16 07:26:25 +0000
commit5f79f653ec112d7dd631c8bdd78ed540b3151385 (patch)
tree90bdb480a89d1bfa29f2296d363b93b13e62b39f /plugin_meminfo.c
parent914a4213848bda638bbe14b0fd7b873b8bdeeb32 (diff)
downloadlcd4linux-5f79f653ec112d7dd631c8bdd78ed540b3151385.tar.gz
[lcd4linux @ 2004-01-16 07:26:25 by reinelt]
moved various /proc parsing to own functions made some progress with /proc/stat parsing
Diffstat (limited to 'plugin_meminfo.c')
-rw-r--r--plugin_meminfo.c99
1 files changed, 55 insertions, 44 deletions
diff --git a/plugin_meminfo.c b/plugin_meminfo.c
index 6115515..ec8e611 100644
--- a/plugin_meminfo.c
+++ b/plugin_meminfo.c
@@ -1,4 +1,4 @@
-/* $Id: plugin_meminfo.c,v 1.1 2004/01/15 04:29:45 reinelt Exp $
+/* $Id: plugin_meminfo.c,v 1.2 2004/01/16 07:26:25 reinelt Exp $
*
* plugin for /proc/meminfo parsing
*
@@ -23,6 +23,10 @@
*
*
* $Log: plugin_meminfo.c,v $
+ * Revision 1.2 2004/01/16 07:26:25 reinelt
+ * moved various /proc parsing to own functions
+ * made some progress with /proc/stat parsing
+ *
* Revision 1.1 2004/01/15 04:29:45 reinelt
* moved lcd4linux.conf.sample to *.old
* lcd4linux.conf.sample with new layout
@@ -49,64 +53,71 @@
#include "debug.h"
#include "plugin.h"
+
#include "hash.h"
-static void my_meminfo (RESULT *result, RESULT *arg1)
+static HASH MemInfo = { 0, 0, NULL };
+
+
+static int parse_meminfo (void)
{
- static HASH MemInfo = { 0, 0, NULL };
-
static time_t now=0;
- char *key, *val;
+ FILE *stream;
int line;
// reread every second only
- if (time(NULL)!=now) {
- FILE *stream;
-
- // destroy previous hash table
- hash_destroy (&MemInfo);
-
- stream=fopen("/proc/meminfo", "r");
- if (stream==NULL) {
- error ("fopen(/proc/meminfo) failed: %s", strerror(errno));
- SetResult(&result, R_STRING, "");
- return;
- }
+ if (time(NULL)==now) return 0;
+ time(&now);
+
+ stream=fopen("/proc/meminfo", "r");
+ if (stream==NULL) {
+ error ("fopen(/proc/meminfo) failed: %s", strerror(errno));
+ return -1;
+ }
- line=0;
- while (!feof(stream)) {
- char buffer[256];
- char *c;
- fgets (buffer, sizeof(buffer), stream);
- c=strchr(buffer, ':');
- if (c==NULL) continue;
- key=buffer; val=c+1;
- // strip leading blanks from key
- while (isspace(*key)) *key++='\0';
- // strip trailing blanks from key
- do *c='\0'; while (isspace(*--c));
- // strip leading blanks from value
- while (isspace(*val)) *val++='\0';
- // strip trailing blanks from value
- for (c=val; *c!='\0';c++);
- while (isspace(*--c)) *c='\0';
- // skip lines that do not end with " kB"
- if (*c=='B' && *(c-1)=='k' && *(c-2)==' ') {
- // strip trailing " kB" from value
- *(c-2)='\0';
- // add entry to hash table
- hash_set (&MemInfo, key, val);
- }
+ line=0;
+ while (!feof(stream)) {
+ char buffer[256];
+ char *c, *key, *val;
+ fgets (buffer, sizeof(buffer), stream);
+ c=strchr(buffer, ':');
+ if (c==NULL) continue;
+ key=buffer; val=c+1;
+ // strip leading blanks from key
+ while (isspace(*key)) *key++='\0';
+ // strip trailing blanks from key
+ do *c='\0'; while (isspace(*--c));
+ // strip leading blanks from value
+ while (isspace(*val)) *val++='\0';
+ // strip trailing blanks from value
+ for (c=val; *c!='\0';c++);
+ while (isspace(*--c)) *c='\0';
+ // skip lines that do not end with " kB"
+ if (*c=='B' && *(c-1)=='k' && *(c-2)==' ') {
+ // strip trailing " kB" from value
+ *(c-2)='\0';
+ // add entry to hash table
+ hash_set (&MemInfo, key, val);
}
- fclose (stream);
- time(&now);
+ }
+ fclose (stream);
+ return 0;
+}
+
+static void my_meminfo (RESULT *result, RESULT *arg1)
+{
+ char *key, *val;
+
+ if (parse_meminfo()<0) {
+ SetResult(&result, R_STRING, "");
+ return;
}
key=R2S(arg1);
val=hash_get(&MemInfo, key);
if (val==NULL) val="";
-
+
SetResult(&result, R_STRING, val);
}