cryb-to/t/t_memset_s.c
Dag-Erling Smørgrav e276f2b407 Ensure that we always have off_t and ssize_t in scope.
POSIX requires <stdio.h> and <unistd.h> to define off_t and ssize_t like <sys/types.h> does, but not all platforms respect that.  Play it safe by always including <sys/types.h>.
2016-09-15 10:15:00 +02:00

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/*-
* Copyright (c) 2015 The University of Oslo
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 "cryb/impl.h"
#include <sys/types.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#undef HAVE_MEMSET_S
#include <cryb/memset_s.h>
#include <cryb/test.h>
#define T_BUF_LEN 32
struct t_case {
const char *desc;
const char in[T_BUF_LEN];
size_t smax;
int c;
size_t len;
const char out[T_BUF_LEN];
size_t outlen;
int ret;
};
/***************************************************************************
* Test cases
*/
static struct t_case t_cases[] = {
{
.desc = "zero",
.in = "squeamish ossifrage",
.smax = sizeof "squeamish ossifrage" - 1,
.c = 'x',
.len = 0,
.out = "squeamish ossifrage",
.ret = 0,
},
{
.desc = "short",
.in = "squeamish ossifrage",
.smax = sizeof "squeamish ossifrage" - 1,
.c = 'x',
.len = 9,
.out = "xxxxxxxxx ossifrage",
.ret = 0,
},
{
.desc = "exact",
.in = "squeamish ossifrage",
.smax = sizeof "squeamish ossifrage" - 1,
.c = 'x',
.len = sizeof "squeamish ossifrage" - 1,
.out = "xxxxxxxxxxxxxxxxxxx",
.ret = 0,
},
{
.desc = "long",
.in = "squeamish ossifrage",
.smax = sizeof "squeamish ossifrage" - 1,
.c = 'x',
.len = sizeof "squeamish ossifrage" + 1,
.out = "xxxxxxxxxxxxxxxxxxx",
.ret = EOVERFLOW,
},
};
/***************************************************************************
* Test function
*/
static int
t_memset_s(char **desc CRYB_UNUSED, void *arg)
{
struct t_case *t = arg;
char buf[T_BUF_LEN];
int ret;
memcpy(buf, t->in, T_BUF_LEN);
ret = memset_s(buf, t->smax, t->c, t->len);
return (t_compare_i(t->ret, ret) &
t_compare_mem(t->out, buf, T_BUF_LEN));
}
/***************************************************************************
* Test function (NULL)
*/
static int
t_memset_s_null(char **desc CRYB_UNUSED, void *arg)
{
int ret;
(void)arg;
ret = memset_s(NULL, 1, 0, 1);
return (t_compare_i(EINVAL, ret));
}
/***************************************************************************
* Boilerplate
*/
static int
t_prepare(int argc, char *argv[])
{
int i, n;
(void)argc;
(void)argv;
t_add_test(t_memset_s_null, NULL, "null");
n = sizeof t_cases / sizeof t_cases[0];
for (i = 0; i < n; ++i)
t_add_test(t_memset_s, &t_cases[i], t_cases[i].desc);
return (0);
}
int
main(int argc, char *argv[])
{
t_main(t_prepare, NULL, argc, argv);
}