mirror_corosync-qdevice/qdevices/test-utils.c
Jan Friesse b0c1ef3ade Add safer wrapper of strtoll
Signed-off-by: Jan Friesse <jfriesse@redhat.com>
2018-03-02 13:33:59 +01:00

82 lines
2.6 KiB
C

/*
* Copyright (c) 2015-2018 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Jan Friesse (jfriesse@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the Red Hat, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include "utils.h"
int
main(void)
{
long long int ll;
long long int lli;
char buf[32];
assert(utils_strtonum("0", 0, 100, &ll) == 0);
assert(ll == 0);
assert(utils_strtonum("100", 0, 100, &ll) == 0);
assert(ll == 100);
assert(utils_strtonum("101", 0, 100, &ll) != 0);
assert(utils_strtonum("0", 1, 100, &ll) != 0);
errno = ERANGE;
assert(utils_strtonum("10", 0, 100, &ll) == 0);
assert(ll == 10);
assert(utils_strtonum("-1", -1, 0, &ll) == 0);
assert(ll == -1);
assert(utils_strtonum("-10", -20, -10, &ll) == 0);
assert(ll == -10);
assert(utils_strtonum("0", 1, 0, &ll) == -1);
for (lli = -100; lli <= 100; lli++) {
assert(snprintf(buf, sizeof(buf), "%lld", lli) > 0);
assert(utils_strtonum(buf, -100, 100, &ll) == 0);
assert(ll == lli);
}
assert(utils_strtonum("test", -1000, 1000, &ll) == -1);
assert(utils_strtonum("12a", -1000, 1000, &ll) == -1);
return (0);
}