Dmitry V. Levin
92e347b556
We do our best to keep copyright headers up to date, yet git history provides better information on this subject and is more accurate than copyright headers.
54 lines
1.0 KiB
C
54 lines
1.0 KiB
C
/*
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* Copyright (c) 2016-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_getcwd
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# include <limits.h>
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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long res;
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char cur_dir[PATH_MAX + 1];
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static const size_t bogus_size = (size_t) 0xbadc0deddeadfaceULL;
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res = syscall(__NR_getcwd, cur_dir, sizeof(cur_dir));
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if (res <= 0)
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perror_msg_and_fail("getcwd");
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printf("getcwd(");
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print_quoted_string(cur_dir);
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printf(", %zu) = %ld\n", sizeof(cur_dir), res);
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res = syscall(__NR_getcwd, cur_dir, 0);
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printf("getcwd(%p, 0) = %s\n", cur_dir, sprintrc(res));
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res = syscall(__NR_getcwd, NULL, bogus_size);
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printf("getcwd(NULL, %zu) = %s\n", bogus_size, sprintrc(res));
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res = syscall(__NR_getcwd, (void *) -1L, sizeof(cur_dir));
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printf("getcwd(%p, %zu) = %s\n",
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(void *) -1L, sizeof(cur_dir), sprintrc(res));
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_getcwd");
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#endif
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