143 lines
3.4 KiB
C
143 lines
3.4 KiB
C
/*
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*
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* Copyright (c) International Business Machines Corp., 2002
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* ported from SPIE, section2/iosuite/dup3.c, by Airong Zhang
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* Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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WHAT: Is the access mode the same for both file descriptors?
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0: read only?
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1: write only?
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2: read/write?
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HOW: Creat a file with each access mode; dup each file descriptor;
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stat each file descriptor and compare mode of each pair
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*/
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#include <stdio.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "test.h"
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char *TCID = "dup07";
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int TST_TOTAL = 3;
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static const char *testfile = "dup07";
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static void setup(void);
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static void cleanup(void);
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int main(int ac, char **av)
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{
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struct stat retbuf;
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struct stat dupbuf;
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int rdoret, wroret, rdwret;
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int duprdo, dupwro, duprdwr;
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int lc;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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if ((rdoret = creat(testfile, 0444)) == -1) {
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tst_resm(TFAIL, "Unable to creat file '%s'", testfile);
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} else {
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if ((duprdo = dup(rdoret)) == -1) {
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tst_resm(TFAIL, "Unable to dup '%s'", testfile);
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} else {
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fstat(rdoret, &retbuf);
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fstat(duprdo, &dupbuf);
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if (retbuf.st_mode != dupbuf.st_mode) {
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tst_resm(TFAIL,
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"rdonly and dup do not match");
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} else {
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tst_resm(TPASS,
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"Passed in read mode.");
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}
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close(duprdo);
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}
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close(rdoret);
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}
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unlink(testfile);
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if ((wroret = creat(testfile, 0222)) == -1) {
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tst_resm(TFAIL, "Unable to creat file '%s'", testfile);
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} else {
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if ((dupwro = dup(wroret)) == -1) {
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tst_resm(TFAIL, "Unable to dup '%s'", testfile);
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} else {
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fstat(wroret, &retbuf);
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fstat(dupwro, &dupbuf);
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if (retbuf.st_mode != dupbuf.st_mode) {
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tst_resm(TFAIL,
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"wronly and dup do not match");
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} else {
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tst_resm(TPASS,
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"Passed in write mode.");
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}
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close(dupwro);
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}
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close(wroret);
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}
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unlink(testfile);
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if ((rdwret = creat(testfile, 0666)) == -1) {
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tst_resm(TFAIL, "Unable to creat file '%s'", testfile);
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} else {
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if ((duprdwr = dup(rdwret)) == -1) {
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tst_resm(TFAIL, "Unable to dup '%s'", testfile);
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} else {
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fstat(rdwret, &retbuf);
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fstat(duprdwr, &dupbuf);
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if (retbuf.st_mode != dupbuf.st_mode) {
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tst_resm(TFAIL,
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"rdwr and dup do not match");
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} else {
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tst_resm(TPASS,
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"Passed in read/write mode.");
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}
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close(duprdwr);
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}
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close(rdwret);
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}
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unlink(testfile);
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}
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cleanup();
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tst_exit();
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}
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static void setup(void)
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{
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tst_tmpdir();
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}
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static void cleanup(void)
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{
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tst_rmdir();
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}
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