56 lines
901 B
C
56 lines
901 B
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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*/
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/*\
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* [Description]
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*
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* Test whether the inode number are the same for both file descriptors.
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*/
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#include <unistd.h>
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#include "tst_test.h"
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#include "tst_safe_macros.h"
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static int fd[2] = {-1, -1};
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static int nfd[2] = {10, 20};
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static void setup(void)
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{
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SAFE_PIPE(fd);
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}
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static void cleanup(void)
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(fd); i++) {
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close(fd[i]);
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close(nfd[i]);
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}
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}
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static void run(unsigned int i)
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{
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struct stat oldbuf, newbuf;
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TST_EXP_VAL(dup2(fd[i], nfd[i]), nfd[i]);
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if (TST_RET == -1)
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return;
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SAFE_FSTAT(fd[i], &oldbuf);
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SAFE_FSTAT(nfd[i], &newbuf);
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TST_EXP_EQ_LU(oldbuf.st_ino, newbuf.st_ino);
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SAFE_CLOSE(TST_RET);
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(fd),
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.test = run,
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.setup = setup,
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.cleanup = cleanup,
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};
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