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/*
* Check success injection.
*
* Copyright (c) 2017 Elvira Khabirova <lineprinter0@gmail.com>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <asm/unistd.h>
#ifdef __NR_chdir
# include <assert.h>
# include <stdio.h>
# include <stdlib.h>
# include <unistd.h>
# include <sys/stat.h>
int
main(int argc, char *argv[])
{
assert(argc == 2);
static const char dir[] = "..";
struct stat before, after;
if (stat(".", &before))
perror_msg_and_fail("stat");
long rval = syscall(__NR_chdir, dir);
if (stat(".", &after))
perror_msg_and_fail("stat");
if (before.st_dev != after.st_dev || before.st_ino != after.st_ino)
error_msg_and_fail("syscall succeeded");
if (atol(argv[1]) != rval)
error_msg_and_fail("expected retval %s, got retval %ld",
argv[1], rval);
printf("chdir(\"%s\") = %ld (INJECTED)\n", dir, rval);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_chdir")
#endif
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