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tests/splice.c
38 строк
1 KB
Dmitry V. Levin
Update copyright headers
30 окт 2023, 11:00
30 окт 2023, 11:00
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/* * Check decoding of splice syscall. * * Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io> * Copyright (c) 2016-2023 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #include <stdio.h> #include <unistd.h> int main(void) { const long int fd_in = (long int) 0xdeadbeefffffffffULL; const long int fd_out = (long int) 0xdeadbeeffffffffeULL; TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_in); TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_out); *off_in = 0xdeadbef1facefed1ULL; *off_out = 0xdeadbef2facefed2ULL; const size_t len = (size_t) 0xdeadbef3facefed3ULL; const unsigned int flags = 15; long rc = syscall(__NR_splice, fd_in, off_in, fd_out, off_out, len, flags); printf("splice(%d, [%lld], %d, [%lld], %zu, %s) = %s\n", (int) fd_in, *off_in, (int) fd_out, *off_out, len, "SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT", sprintrc(rc)); puts("+++ exited with 0 +++"); return 0; }