1 /* 2 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * You should have received a copy of the GNU General Public License along 13 * with this program; if not, write the Free Software Foundation, Inc., 14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 15 * 16 */ 17 18 /* 19 * Test whether ustat(2) system call returns appropriate error number for 20 * invalid dev_t parameter and for bad address paramater. 21 */ 22 23 #include <unistd.h> 24 #include <errno.h> 25 #include <sys/ustat.h> 26 #include <sys/stat.h> 27 #include <sys/types.h> 28 #include "test.h" 29 #include "safe_macros.h" 30 31 static void setup(void); 32 33 char *TCID = "ustat02"; 34 35 static dev_t invalid_dev = -1; 36 static dev_t root_dev; 37 struct ustat ubuf; 38 39 static struct test_case_t { 40 char *err_desc; 41 int exp_errno; 42 char *exp_errval; 43 dev_t *dev; 44 struct ustat *buf; 45 } tc[] = { 46 {"Invalid parameter", EINVAL, "EINVAL", &invalid_dev, &ubuf}, 47 #ifndef UCLINUX 48 {"Bad address", EFAULT, "EFAULT", &root_dev, (void*)-1} 49 #endif 50 }; 51 52 int TST_TOTAL = ARRAY_SIZE(tc); 53 54 int main(int ac, char **av) 55 { 56 57 int lc, i; 58 59 tst_parse_opts(ac, av, NULL, NULL); 60 61 setup(); 62 63 for (lc = 0; TEST_LOOPING(lc); lc++) { 64 tst_count = 0; 65 66 for (i = 0; i < TST_TOTAL; i++) { 67 TEST(ustat(*tc[i].dev, tc[i].buf)); 68 69 if (TEST_RETURN == -1 && TEST_ERRNO == ENOSYS) 70 tst_brkm(TCONF, NULL, "ustat not supported"); 71 72 if ((TEST_RETURN == -1) 73 && (TEST_ERRNO == tc[i].exp_errno)) { 74 tst_resm(TPASS, 75 "ustat(2) expected failure;" 76 " Got errno - %s : %s", 77 tc[i].exp_errval, tc[i].err_desc); 78 } else { 79 tst_resm(TFAIL | TTERRNO, 80 "ustat(2) failed to produce" 81 " expected error; %d, errno" 82 ": %s", 83 tc[i].exp_errno, tc[i].exp_errval); 84 } 85 } 86 } 87 88 tst_exit(); 89 } 90 91 static void setup(void) 92 { 93 struct stat buf; 94 95 tst_sig(NOFORK, DEF_HANDLER, NULL); 96 97 TEST_PAUSE; 98 99 /* Find a valid device number */ 100 SAFE_STAT(NULL, "/", &buf); 101 102 root_dev = buf.st_dev; 103 } 104
