2013-03-11 11:30:00 +05:30
|
|
|
/*
|
2012-03-02 17:59:36 +05:30
|
|
|
* strutils.c - various string routines shared by commands
|
2011-12-07 18:13:34 +05:30
|
|
|
* This file was copied from util-linux at fall 2011.
|
2012-03-02 17:59:36 +05:30
|
|
|
*
|
|
|
|
* Copyright (C) 2010 Karel Zak <kzak@redhat.com>
|
|
|
|
* Copyright (C) 2010 Davidlohr Bueso <dave@gnu.org>
|
|
|
|
*
|
|
|
|
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
2011-12-07 18:13:34 +05:30
|
|
|
*/
|
|
|
|
|
2011-10-19 00:24:30 +05:30
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
|
|
#include "c.h"
|
|
|
|
#include "strutils.h"
|
|
|
|
|
|
|
|
/*
|
|
|
|
* same as strtol(3) but exit on failure instead of returning crap
|
|
|
|
*/
|
|
|
|
long strtol_or_err(const char *str, const char *errmesg)
|
|
|
|
{
|
|
|
|
long num;
|
|
|
|
char *end = NULL;
|
|
|
|
|
2012-02-10 03:27:13 +05:30
|
|
|
if (str != NULL && *str != '\0') {
|
|
|
|
errno = 0;
|
|
|
|
num = strtol(str, &end, 10);
|
|
|
|
if (errno == 0 && str != end && end != NULL && *end == '\0')
|
|
|
|
return num;
|
|
|
|
}
|
2012-01-03 13:18:43 +05:30
|
|
|
error(EXIT_FAILURE, errno, "%s: '%s'", errmesg, str);
|
2012-02-10 03:27:13 +05:30
|
|
|
return 0;
|
2011-10-19 00:24:30 +05:30
|
|
|
}
|
2012-02-10 03:27:13 +05:30
|
|
|
|
2011-12-18 20:22:57 +05:30
|
|
|
/*
|
|
|
|
* same as strtod(3) but exit on failure instead of returning crap
|
|
|
|
*/
|
|
|
|
double strtod_or_err(const char *str, const char *errmesg)
|
|
|
|
{
|
|
|
|
double num;
|
|
|
|
char *end = NULL;
|
|
|
|
|
2012-02-10 03:27:13 +05:30
|
|
|
if (str != NULL && *str != '\0') {
|
|
|
|
errno = 0;
|
|
|
|
num = strtod(str, &end);
|
|
|
|
if (errno == 0 && str != end && end != NULL && *end == '\0')
|
|
|
|
return num;
|
|
|
|
}
|
2012-01-03 13:18:43 +05:30
|
|
|
error(EXIT_FAILURE, errno, "%s: '%s'", errmesg, str);
|
2011-12-18 20:22:57 +05:30
|
|
|
return 0;
|
|
|
|
}
|