56 lines
1.0 KiB
C
56 lines
1.0 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* 07/2001 Ported by Wayne Boyer
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* 01/2002 Removed EMFILE test - Paul Larson
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*/
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/*\
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* [Description]
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*
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* Negative tests for dup2() with bad fd (EBADF).
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*
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* - First fd argument is less than 0
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* - First fd argument is getdtablesize()
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* - Second fd argument is less than 0
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* - Second fd argument is getdtablesize()
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*
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*/
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#include <errno.h>
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#include <unistd.h>
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#include "tst_test.h"
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static int maxfd, mystdout;
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static int goodfd = 5;
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static int badfd = -1;
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static struct tcase {
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int *ofd;
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int *nfd;
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} tcases[] = {
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{&badfd, &goodfd},
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{&maxfd, &goodfd},
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{&mystdout, &badfd},
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{&mystdout, &maxfd},
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};
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static void setup(void)
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{
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/* get some test specific values */
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maxfd = getdtablesize();
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}
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static void run(unsigned int i)
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{
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struct tcase *tc = tcases + i;
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TST_EXP_FAIL2(dup2(*tc->ofd, *tc->nfd), EBADF,
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"dup2(%d, %d)", *tc->ofd, *tc->nfd);
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(tcases),
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.test = run,
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.setup = setup,
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};
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