diff options
Diffstat (limited to '')
-rw-r--r-- | plugin_cpuinfo.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/plugin_cpuinfo.c b/plugin_cpuinfo.c new file mode 100644 index 0000000..031429f --- /dev/null +++ b/plugin_cpuinfo.c @@ -0,0 +1,115 @@ +/* $Id: plugin_cpuinfo.c,v 1.1 2004/01/13 10:03:01 reinelt Exp $ + * + * plugin for /proc/cpuinfo parsing + * + * Copyright 2003 Michael Reinelt <reinelt@eunet.at> + * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> + * + * This file is part of LCD4Linux. + * + * LCD4Linux is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * LCD4Linux is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * $Log: plugin_cpuinfo.c,v $ + * Revision 1.1 2004/01/13 10:03:01 reinelt + * new util 'hash' for associative arrays + * new plugin 'cpuinfo' + * + */ + +/* + * exported functions: + * + * int plugin_init_cpuinfo (void) + * adds functions to access /proc/cpuinfo + * + */ + + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> +#include <time.h> + +#include "debug.h" +#include "plugin.h" +#include "hash.h" + + +static void my_cpuinfo (RESULT *result, RESULT *arg1) +{ + static HASH CPUinfo = { 0, 0, NULL }; + + static time_t now=0; + char *key, *val; + + // reread every second only + if (time(NULL)!=now) { + FILE *stream; + + // destroy previous hash table + hash_destroy (&CPUinfo); + + stream=fopen("/proc/cpuinfo", "r"); + if (stream==NULL) { + error ("fopen(/proc/cpuinfo) failed: %s", strerror(errno)); + goto error; + } + + 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 + while (isspace(*--c)) *c='\0'; + // 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'; + + // add entry to hash table + hash_set (&CPUinfo, key, val); + + } + + fclose (stream); + + time(&now); + } + + key=R2S(arg1); + val=hash_get(&CPUinfo, key); + if (val==NULL) val=""; + + error: + // val=""; + SetResult(&result, R_STRING, val); +} + + +int plugin_init_cpuinfo (void) +{ + AddFunction ("cpuinfo", 1, my_cpuinfo); + return 0; +} + |