diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/creat01.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/creat01.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/creat01.c b/winsup/testsuite/winsup.api/ltp/creat01.c new file mode 100644 index 000000000..7dd016f22 --- /dev/null +++ b/winsup/testsuite/winsup.api/ltp/creat01.c @@ -0,0 +1,206 @@ +/* + * + * Copyright (c) International Business Machines Corp., 2001 + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * NAME + * creat01.c + * + * DESCRIPTION + * Testcase to check the basic functionality of the creat(2) system call. + * + * ALGORITHM + * 1. creat() a file using 0444 mode, write to the fildes, write + * should return a positive count. + * + * 2. creat() should truncate a file to 0 bytes if it already + * exists, and should not fail. + * + * USAGE: <for command-line> + * creat01 [-c n] [-f] [-i n] [-I x] [-P x] [-t] + * where, -c n : Run n copies concurrently. + * -f : Turn off functionality Testing. + * -i n : Execute test n times. + * -I x : Execute test for x seconds. + * -P x : Pause for x seconds between iterations. + * -t : Turn on syscall timing. + * + * HISTORY + * 07/2001 Ported by Wayne Boyer + * + * RESTRICTIONS + * None + */ + +#include <stdio.h> +#include <sys/stat.h> +#include <errno.h> +#include "test.h" +#include "usctest.h" + +void setup(void); +void cleanup(void); +void functest1(void); +void functest2(void); + +char *TCID = "creat01"; +int TST_TOTAL = 2; +extern int Tst_count; + +char filename[40]; + +#define MODE1 0644 +#define MODE2 0444 + +struct test_case_t { + char *fname; + int mode; + void (*functest)(); +} TC[] = { + /* creat() the file and write to it */ + {filename, MODE1, functest1}, + + /* creat() the same file and check that it is now 0 length */ + {filename, MODE2, functest2} +}; + +main(int ac, char **av) +{ + int i; + int lc; /* loop counter */ + const char *msg; /* message returned from parse_opts */ + + /* parse standard options */ + if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){ + tst_brkm(TBROK, tst_exit, "OPTION PARSING ERROR - %s", msg); + } + + setup(); /* set "tstdir", and "testfile" variables */ + + /* check looping state if -i option given */ + for (lc = 0; TEST_LOOPING(lc); lc++) { + + /* reset Tst_count in case we are looping */ + Tst_count = 0; + + /* loop through the test cases */ + + for (i=0; i<TST_TOTAL; i++) { + TEST(creat(filename, TC[i].mode)); + + if (TEST_RETURN == -1) { + tst_resm(TFAIL, "Could not creat file %s", + filename); + continue; + } + + if (STD_FUNCTIONAL_TEST) { + (*TC[i].functest)(); + } else { + tst_resm(TPASS, "call succeeded"); + } + if (TEST_RETURN >= 0) { + close(TEST_RETURN); + } + } + } + cleanup(); + + /*NOTREACHED*/ +} + +/* + * functest1() - check the functionality of the first test by making sure + * that a write to the file succeeds + */ +void +functest1() +{ + if (write(TEST_RETURN, "A", 1) != 1) { + tst_resm(TFAIL, "write was unsuccessful"); + } else { + tst_resm(TPASS, "file was created and written to successfully"); + } +} + +/* + * functest2() - check the functionality of the second test by making sure + * that the file is now 0 length + */ +void +functest2() +{ + struct stat buf; + + if (stat(filename, &buf) < 0) { + tst_brkm(TBROK, cleanup, "failed to stat test file"); + /*NOTREACHED*/ + } + if (buf.st_size != 0) { + tst_resm(TFAIL, "creat() FAILED to truncate " + "file to zero bytes"); + } else { + tst_resm(TPASS, "creat() truncated existing file to 0 bytes"); + } +} + +/* + * setup() - performs all ONE TIME setup for this test + */ +void +setup() +{ + if (geteuid() == 0) { + tst_brkm(TBROK, tst_exit, "Must not run this as root"); + /*NOTREACHED*/ + } + + /* capture signals */ + tst_sig(NOFORK, DEF_HANDLER, cleanup); + + umask(0); + + /* Pause if that option was specified */ + TEST_PAUSE; + + tst_tmpdir(); + + sprintf(filename, "creat01.%d", getpid()); +} + +/* + * cleanup() - performs all ONE TIME cleanup for this test at + * completion or premature exit. + */ +void +cleanup() +{ + /* + * print timing stats if that option was specified. + * print errno log if that option was specified. + */ + TEST_CLEANUP; + + unlink(filename); + + /* delete the test directory created in setup() */ + tst_rmdir(); + + /* exit with return code appropriate for results */ + tst_exit(); +} |