You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
3.0 KiB
112 lines
3.0 KiB
/*
|
|
* Test printpath/umovestr.
|
|
*
|
|
* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
|
|
* Copyright (c) 2017-2018 The strace developers.
|
|
* 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 <limits.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "test_ucopy.h"
|
|
|
|
static void
|
|
test_printpath_at(char *const p, const unsigned int test_max)
|
|
{
|
|
/*
|
|
* /
|
|
* /.
|
|
* /..
|
|
* /...
|
|
* /../.
|
|
* /../..
|
|
* /../../
|
|
*/
|
|
|
|
char *const eop = p + (test_max - 1);
|
|
*eop = '\0';
|
|
unsigned int i;
|
|
for (i = 1; i < test_max; ++i) {
|
|
const unsigned int i_1 = i - 1;
|
|
memmove(eop - i, eop - i_1, i_1);
|
|
eop[-1] = "/.."[i_1 % 3];
|
|
if (chdir(eop - i))
|
|
perror_msg_and_fail("chdir");
|
|
printf("chdir(\"%s\") = 0\n", eop - i);
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_efault(const unsigned int test_max)
|
|
{
|
|
char *p = tail_alloc(test_max);
|
|
const char *const efault = p + test_max;
|
|
memset(p, '/', test_max);
|
|
|
|
for (; p <= efault; ++p) {
|
|
if (p <= efault - PATH_MAX)
|
|
continue;
|
|
printf("chdir(%p) = %s\n", p, sprintrc(chdir(p)));
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_enametoolong(void)
|
|
{
|
|
char *p = tail_alloc(PATH_MAX);
|
|
memset(p, '/', PATH_MAX);
|
|
|
|
printf("chdir(\"%.*s\"...) = %s\n",
|
|
PATH_MAX - 1, p, sprintrc(chdir(p)));
|
|
}
|
|
|
|
void
|
|
test_printpath(const unsigned int test_max)
|
|
{
|
|
/*
|
|
* /../..|
|
|
* /../.|.
|
|
* /../|..
|
|
* /..|/..
|
|
* /.|./..
|
|
* /|../..
|
|
* |/../..
|
|
*/
|
|
const unsigned int page_size = get_page_size();
|
|
char *p = tail_alloc(test_max + page_size);
|
|
unsigned int i;
|
|
for (i = 1; i < sizeof(long); ++i)
|
|
test_printpath_at(p + i, test_max);
|
|
for (i = 0; i < sizeof(long); ++i)
|
|
test_printpath_at(p + page_size - i, test_max);
|
|
test_efault(test_max);
|
|
test_enametoolong();
|
|
}
|