40 lines
711 B
C
40 lines
711 B
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2017 Carlo Marcelo Arenas Belon <carlo@gmail.com>
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* Copyright (c) 2018 Cyril Hrubis <chrubis@suse.cz>
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*/
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/*\
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* [Description]
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*
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* Tests for a special case NULL buffer with size 0 is expected to return 0.
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*/
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#include <errno.h>
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#include "tst_test.h"
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static int fd;
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static void verify_pwrite(void)
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{
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TST_EXP_PASS(pwrite(fd, NULL, 0, 0), "pwrite(%d, NULL, 0) == 0", fd);
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}
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static void setup(void)
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{
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fd = SAFE_OPEN("test_file", O_RDWR | O_CREAT, 0700);
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}
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static void cleanup(void)
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{
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if (fd > 0)
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SAFE_CLOSE(fd);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.test_all = verify_pwrite,
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.needs_tmpdir = 1,
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};
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