48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* This file is part of copy_file_range strace test.
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*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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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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#include "scno.h"
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#if defined __NR_copy_file_range
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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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const long int fd_in = (long int) 0xdeadbeefffffffff;
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const long int fd_out = (long int) 0xdeadbeeffffffffe;
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TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_in);
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TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_out);
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*off_in = 0xdeadbef1facefed1;
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*off_out = 0xdeadbef2facefed2;
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const size_t len = (size_t) 0xdeadbef3facefed3ULL;
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const unsigned int flags = 0;
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long rc = syscall(__NR_copy_file_range,
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fd_in, off_in, fd_out, off_out, len, flags);
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printf("copy_file_range(%d, [%lld], %d, [%lld], %zu, %u)"
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" = %ld %s (%m)\n",
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(int) fd_in, *off_in, (int) fd_out, *off_out, len, flags,
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rc, errno2name());
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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_copy_file_range")
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#endif
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