strace/tests/umovestr2.c
Dmitry V. Levin 4cd38c0d77 tests/umovestr2.c: use libtests
* tests/umovestr2.c (main): Use get_page_size and tail_alloc.
2016-01-05 23:24:50 +00:00

54 lines
2.0 KiB
C

/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* 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 ``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 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 "tests.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int
main(void)
{
const size_t page_len = get_page_size();
const size_t tail_len = page_len * 2 - 1;
const size_t str_len = tail_len - 1;
char *addr = tail_alloc(tail_len);
memset(addr, '0', str_len);
addr[str_len] = '\0';
char *argv[] = { NULL };
char *envp[] = { addr, NULL };
execve("", argv, envp);
printf("execve(\"\", [], [\"%0*u\"]) = -1 ENOENT (%m)\n",
(int) str_len, 0);
puts("+++ exited with 0 +++");
return 0;
}