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/*
* Copyright (c) 2016-2019 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#ifdef __NR_link
# include <stdio.h>
# include <string.h>
# include <unistd.h>
int
main(void)
{
static const char sample_1_str[] = "link_sample_old";
static const char sample_2_str[] = "link_sample_new";
TAIL_ALLOC_OBJECT_CONST_ARR(char, sample_1, sizeof(sample_1_str));
TAIL_ALLOC_OBJECT_CONST_ARR(char, sample_2, sizeof(sample_2_str));
TAIL_ALLOC_OBJECT_CONST_ARR(char, short_1, sizeof(sample_1_str) - 1);
TAIL_ALLOC_OBJECT_CONST_ARR(char, short_2, sizeof(sample_2_str) - 1);
long rc;
memcpy(sample_1, sample_1_str, sizeof(sample_1_str));
memcpy(sample_2, sample_2_str, sizeof(sample_2_str));
memcpy(short_1, sample_1_str, sizeof(sample_1_str) - 1);
memcpy(short_2, sample_2_str, sizeof(sample_2_str) - 1);
rc = syscall(__NR_link, NULL, NULL);
# ifndef PATH_TRACING
printf("link(NULL, NULL) = %ld %s (%m)\n", rc, errno2name());
# endif
rc = syscall(__NR_link, short_1, NULL);
# ifndef PATH_TRACING
printf("link(%p, NULL) = %ld %s (%m)\n",
short_1, rc, errno2name());
# endif
rc = syscall(__NR_link, NULL, sample_1);
printf("link(NULL, \"%s\") = %ld %s (%m)\n",
sample_1_str, rc, errno2name());
rc = syscall(__NR_link, sample_1, short_2);
printf("link(\"%s\", %p) = %ld %s (%m)\n",
sample_1_str, short_2, rc, errno2name());
rc = syscall(__NR_link, short_1, sample_2);
# ifndef PATH_TRACING
printf("link(%p, \"%s\") = %ld %s (%m)\n",
short_1, sample_2_str, rc, errno2name());
# endif
rc = syscall(__NR_link, sample_1, sample_2);
printf("link(\"%s\", \"%s\") = %ld %s (%m)\n",
sample_1_str, sample_2_str, rc, errno2name());
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_link")
#endif
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