Dmitry V. Levin
fa5e5d9854
Automatically change tests/*.c files using the following script:
for f in tests/*.c; do
grep -q '\<assert(' "$f" ||
sed -i '/# *include *<assert\.h>/d' "$f"
done
66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/*
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* This file is part of splice strace test.
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*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <sys/syscall.h>
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#if defined __NR_splice
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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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long long int *const off_in = tail_alloc(sizeof(*off_in));
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long long int *const off_out = tail_alloc(sizeof(*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 = 15;
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long rc = syscall(__NR_splice,
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fd_in, off_in, fd_out, off_out, len, flags);
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printf("splice(%d, [%lld], %d, [%lld], %zu, %s) = %ld %s (%m)\n",
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(int) fd_in, *off_in, (int) fd_out, *off_out, len,
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"SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT",
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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_splice")
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#endif
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