1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 /* 21 * NAME 22 * gettimeofday01.c 23 * 24 * DESCRIPTION 25 * Testcase to check that gettimeofday(2) sets errno to EFAULT. 26 * 27 * ALGORITHM 28 * Call gettimeofday() with an invalid buffer, and expect EFAULT to be 29 * set in errno. 30 * 31 * HISTORY 32 * 07/2001 Ported by Wayne Boyer 33 * 34 * RESTRICTIONS 35 * NONE 36 */ 37 38 #include <sys/time.h> 39 #include <errno.h> 40 #include "test.h" 41 #include <sys/syscall.h> 42 #include <unistd.h> 43 44 #define gettimeofday(a,b) syscall(__NR_gettimeofday,a,b) 45 46 char *TCID = "gettimeofday01"; 47 int TST_TOTAL = 1; 48 49 #if !defined UCLINUX 50 51 void cleanup(void); 52 void setup(void); 53 54 int main(int ac, char **av) 55 { 56 int lc; 57 int ret; 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 TEST(gettimeofday((void *)-1, (void *)-1)); 67 68 /* gettimeofday returns an int, so we need to turn the long 69 * TEST_RETURN into an int to test with */ 70 ret = TEST_RETURN; 71 if (ret != -1) { 72 tst_resm(TFAIL, 73 "call succeeded unexpectedly (got back %i, wanted -1)", 74 ret); 75 continue; 76 } 77 78 if (TEST_ERRNO == EFAULT) 79 tst_resm(TPASS, 80 "gettimeofday(2) set the errno EFAULT correctly"); 81 else 82 tst_resm(TFAIL, 83 "gettimeofday(2) didn't set errno to EFAULT, errno=%i (%s)", 84 errno, strerror(errno)); 85 } 86 87 cleanup(); 88 tst_exit(); 89 } 90 91 void setup(void) 92 { 93 94 tst_sig(NOFORK, DEF_HANDLER, cleanup); 95 96 TEST_PAUSE; 97 } 98 99 void cleanup(void) 100 { 101 } 102 #else 103 104 int main(void) 105 { 106 tst_brkm(TCONF, "gettimeofday EFAULT check disabled on uClinux"); 107 } 108 109 #endif 110
