| /* |
| * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| /* |
| * Test whether ustat(2) system call returns appropriate error number for |
| * invalid dev_t parameter and for bad address paramater. |
| */ |
| |
| #include <unistd.h> |
| #include <ustat.h> |
| #include <errno.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include "test.h" |
| #include "safe_macros.h" |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| char *TCID = "ustat02"; |
| |
| static dev_t invalid_dev = -1; |
| static dev_t root_dev; |
| struct ustat ubuf; |
| |
| static struct test_case_t { |
| char *err_desc; |
| int exp_errno; |
| char *exp_errval; |
| dev_t *dev; |
| struct ustat *buf; |
| } tc[] = { |
| {"Invalid parameter", EINVAL, "EINVAL", &invalid_dev, &ubuf}, |
| #ifndef UCLINUX |
| {"Bad address", EFAULT, "EFAULT", &root_dev, (void*)-1} |
| #endif |
| }; |
| |
| int TST_TOTAL = ARRAY_SIZE(tc); |
| |
| int main(int ac, char **av) |
| { |
| |
| int lc, i; |
| const char *msg; |
| |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| |
| for (i = 0; i < TST_TOTAL; i++) { |
| TEST(ustat(*tc[i].dev, tc[i].buf)); |
| |
| if (TEST_RETURN == -1 && TEST_ERRNO == ENOSYS) |
| tst_brkm(TCONF, cleanup, "ustat not supported"); |
| |
| if ((TEST_RETURN == -1) |
| && (TEST_ERRNO == tc[i].exp_errno)) { |
| tst_resm(TPASS, |
| "ustat(2) expected failure;" |
| " Got errno - %s : %s", |
| tc[i].exp_errval, tc[i].err_desc); |
| } else { |
| tst_resm(TFAIL | TTERRNO, |
| "ustat(2) failed to produce" |
| " expected error; %d, errno" |
| ": %s", |
| tc[i].exp_errno, tc[i].exp_errval); |
| } |
| } |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| struct stat buf; |
| |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| |
| /* Find a valid device number */ |
| SAFE_STAT(cleanup, "/", &buf); |
| |
| root_dev = buf.st_dev; |
| } |
| |
| static void cleanup(void) |
| { |
| } |