diff options
Diffstat (limited to 'testcases/kernel/syscalls/dup/dup07.c')
| -rw-r--r-- | testcases/kernel/syscalls/dup/dup07.c | 173 |
1 files changed, 44 insertions, 129 deletions
diff --git a/testcases/kernel/syscalls/dup/dup07.c b/testcases/kernel/syscalls/dup/dup07.c index a100f5d58..688ee1989 100644 --- a/testcases/kernel/syscalls/dup/dup07.c +++ b/testcases/kernel/syscalls/dup/dup07.c @@ -1,142 +1,57 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* - * - * Copyright (c) International Business Machines Corp., 2002 - * ported from SPIE, section2/iosuite/dup3.c, by Airong Zhang - * Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * Copyright (c) International Business Machines Corp., 2002 + * Ported from SPIE, section2/iosuite/dup3.c, by Airong Zhang + * Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz> + * Copyright (c) Linux Test Project, 2006-2024 */ -/* - WHAT: Is the access mode the same for both file descriptors? - 0: read only? - 1: write only? - 2: read/write? - HOW: Creat a file with each access mode; dup each file descriptor; - stat each file descriptor and compare mode of each pair -*/ - -#include <stdio.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "test.h" +/*\ + * [Description] + * + * Verify that the file descriptor created by dup(2) syscall has the same + * access mode as the old one. + */ -char *TCID = "dup07"; -int TST_TOTAL = 3; +#include "tst_test.h" static const char *testfile = "dup07"; -static void setup(void); -static void cleanup(void); +static struct tcase { + char *mode_desc; + int mode; +} tcases[] = { + {"read only", 0444}, + {"write only", 0222}, + {"read/write", 0666}, +}; -int main(int ac, char **av) +static void run(unsigned int n) { - struct stat retbuf; - struct stat dupbuf; - int rdoret, wroret, rdwret; - int duprdo, dupwro, duprdwr; - - int lc; - - tst_parse_opts(ac, av, NULL, NULL); - - setup(); - - for (lc = 0; TEST_LOOPING(lc); lc++) { - - if ((rdoret = creat(testfile, 0444)) == -1) { - tst_resm(TFAIL, "Unable to creat file '%s'", testfile); - } else { - if ((duprdo = dup(rdoret)) == -1) { - tst_resm(TFAIL, "Unable to dup '%s'", testfile); - } else { - fstat(rdoret, &retbuf); - fstat(duprdo, &dupbuf); - if (retbuf.st_mode != dupbuf.st_mode) { - tst_resm(TFAIL, - "rdonly and dup do not match"); - } else { - tst_resm(TPASS, - "Passed in read mode."); - } - close(duprdo); - } - close(rdoret); - } - - unlink(testfile); - - if ((wroret = creat(testfile, 0222)) == -1) { - tst_resm(TFAIL, "Unable to creat file '%s'", testfile); - } else { - if ((dupwro = dup(wroret)) == -1) { - tst_resm(TFAIL, "Unable to dup '%s'", testfile); - } else { - fstat(wroret, &retbuf); - fstat(dupwro, &dupbuf); - if (retbuf.st_mode != dupbuf.st_mode) { - tst_resm(TFAIL, - "wronly and dup do not match"); - } else { - tst_resm(TPASS, - "Passed in write mode."); - } - close(dupwro); - } - close(wroret); - - } - - unlink(testfile); - - if ((rdwret = creat(testfile, 0666)) == -1) { - tst_resm(TFAIL, "Unable to creat file '%s'", testfile); - } else { - if ((duprdwr = dup(rdwret)) == -1) { - tst_resm(TFAIL, "Unable to dup '%s'", testfile); - } else { - fstat(rdwret, &retbuf); - fstat(duprdwr, &dupbuf); - if (retbuf.st_mode != dupbuf.st_mode) { - tst_resm(TFAIL, - "rdwr and dup do not match"); - } else { - tst_resm(TPASS, - "Passed in read/write mode."); - } - close(duprdwr); - } - close(rdwret); - } - - unlink(testfile); + int oldfd, dupfd; + struct stat oldbuf, dupbuf; + struct tcase *tc = &tcases[n]; + + oldfd = SAFE_CREAT(testfile, tc->mode); + dupfd = TST_EXP_FD_SILENT(dup(oldfd), "dup() %s file", tc->mode_desc); + if (TST_PASS) { + SAFE_FSTAT(oldfd, &oldbuf); + SAFE_FSTAT(dupfd, &dupbuf); + + if (oldbuf.st_mode != dupbuf.st_mode) + tst_res(TFAIL, "%s and dup do not match", tc->mode_desc); + else + tst_res(TPASS, "Passed in %s mode", tc->mode_desc); + + SAFE_CLOSE(dupfd); } - cleanup(); - tst_exit(); + SAFE_CLOSE(oldfd); + SAFE_UNLINK(testfile); } -static void setup(void) -{ - tst_tmpdir(); -} - -static void cleanup(void) -{ - tst_rmdir(); -} +static struct tst_test test = { + .needs_tmpdir = 1, + .test = run, + .tcnt = ARRAY_SIZE(tcases), +}; |