/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2008 David Zeuthen <davidz@redhat.com>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <fcntl.h>
#include <pwd.h>
#include <grp.h>
#include <stdint.h>
#include <linux/fs.h>
#include <sys/ioctl.h>
#include <glib.h>
#include "sysfs-utils.h"
double
sysfs_get_double_with_error (const char *dir, const char *attribute)
{
double result;
char *contents;
char *filename;
filename = g_build_filename (dir, attribute, NULL);
if (g_file_get_contents (filename, &contents, NULL, NULL)) {
result = g_ascii_strtod (contents, NULL);
g_free (contents);
} else {
result = -1.0;
}
g_free (filename);
return result;
}
double
sysfs_get_double (const char *dir, const char *attribute)
{
double result;
char *contents;
char *filename;
result = 0.0;
filename = g_build_filename (dir, attribute, NULL);
if (g_file_get_contents (filename, &contents, NULL, NULL)) {
result = g_ascii_strtod (contents, NULL);
g_free (contents);
}
g_free (filename);
return result;
}
char *
sysfs_get_string (const char *dir, const char *attribute)
{
char *result;
char *filename;
result = NULL;
filename = g_build_filename (dir, attribute, NULL);
if (!g_file_get_contents (filename, &result, NULL, NULL)) {
result = g_strdup ("");
}
g_free (filename);
return result;
}
int
sysfs_get_int (const char *dir, const char *attribute)
{
int result;
char *contents;
char *filename;
result = 0;
filename = g_build_filename (dir, attribute, NULL);
if (g_file_get_contents (filename, &contents, NULL, NULL)) {
result = atoi (contents);
g_free (contents);
}
g_free (filename);
return result;
}
gboolean
sysfs_get_bool (const char *dir, const char *attribute)
{
gboolean result;
char *contents;
char *filename;
result = FALSE;
filename = g_build_filename (dir, attribute, NULL);
if (g_file_get_contents (filename, &contents, NULL, NULL)) {
g_strdelimit (contents, "\n", '\0');
result = (g_strcmp0 (contents, "1") == 0);
g_free (contents);
}
g_free (filename);
return result;
}
gboolean
sysfs_file_exists (const char *dir, const char *attribute)
{
gboolean result;
char *filename;
result = FALSE;
filename = g_build_filename (dir, attribute, NULL);
if (g_file_test (filename, G_FILE_TEST_EXISTS)) {
result = TRUE;
}
g_free (filename);
return result;
}