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conky/src/diskio.c

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/*
* Conky, a system monitor, based on torsmo
*
* Any original torsmo code is licensed under the BSD license
*
* All code written since the fork of torsmo is licensed under the GPL
*
* Please see COPYING for details
*
* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
* Copyright (c) 2005-2007 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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, see <http://www.gnu.org/licenses/>.
*
* $Id$
*/
#include <limits.h>
#include "conky.h"
static struct diskio_stat diskio_stats_[MAX_DISKIO_STATS];
struct diskio_stat *diskio_stats = diskio_stats_;
void clear_diskio_stats()
{
unsigned i;
for(i = 0; i < MAX_DISKIO_STATS; i++) {
if (diskio_stats[i].dev) {
free(diskio_stats[i].dev);
diskio_stats[i].dev = 0;
}
}
}
struct diskio_stat *prepare_diskio_stat(const char *s)
{
struct diskio_stat *new = 0;
unsigned i;
/* lookup existing or get new */
for (i = 0; i < MAX_DISKIO_STATS; i++) {
if (diskio_stats[i].dev) {
if (strcmp(diskio_stats[i].dev, s) == 0) {
return &diskio_stats[i];
}
} else {
new = &diskio_stats[i];
break;
}
}
/* new dev */
if (!new) {
ERR("too many diskio stats");
return 0;
}
new->dev = strdup(s);
new->current = 0;
new->current_read = 0;
new ->current_write = 0;
new->last = UINT_MAX;
new->last_read = UINT_MAX;
new->last_write = UINT_MAX;
return new;
}