readv03.c revision 45e285d46ab47b0ff76c88acb5ba97b0bd5f753d
1/* 2 * 3 * Copyright (C) Bull S.A. 2001 4 * Copyright (c) International Business Machines Corp., 2001 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 14 * the GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21/* 22 * NAME 23 * readv03.c 24 * 25 * DESCRIPTION 26 * Testcase to check the error condition of the readv(2) system call 27 * when fd refers to a directory. 28 * 29 * CALLS 30 * readv() 31 * 32 * ALGORITHM 33 * loop if that option was specified 34 * call readv() when fd refers to a directory. 35 * check the errno value 36 * issue a PASS message if we get EISDIR - errno 21 37 * otherwise, the tests fails 38 * issue a FAIL message 39 * call cleanup 40 * 41 * USAGE$ 42 * readv03 43 * 44 * HISTORY 45 * 05/2002 Ported by Jacky Malcles 46 * 47 * RESTRICTIONS 48 * None 49 */ 50#include <sys/types.h> 51#include <sys/uio.h> 52#include <sys/fcntl.h> 53#include <errno.h> 54#include <string.h> 55#include <sys/stat.h> 56 57#include "test.h" 58#include "usctest.h" 59 60#define K_1 1024 61#define MODES S_IRWXU 62 63char buf1[K_1]; 64 65struct iovec rd_iovec[1] = { 66 {buf1, K_1} 67}; 68 69const char *TEST_DIR = "alpha"; 70int r_val; 71int fd; 72 73char *TCID = "readv03"; 74int TST_TOTAL = 1; 75extern int Tst_count; 76 77void setup(); 78void cleanup(); 79 80int main(int ac, char **av) 81{ 82 int lc; /* loop counter */ 83 char *msg; /* message returned from parse_opts */ 84 85 /* parse standard options */ 86 if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) { 87 tst_brkm(TBROK, tst_exit, "OPTION PARSING ERROR - %s", msg); 88 /*NOTREACHED*/} 89 90 setup(); 91 92 /* The following loop checks looping state if -i option given */ 93 for (lc = 0; TEST_LOOPING(lc); lc++) { 94 95 /* reset Tst_count in case we are looping */ 96 Tst_count = 0; 97 98 if (readv(fd, rd_iovec, 1) < 0) { 99 if (errno != EISDIR) { 100 tst_resm(TFAIL, "expected errno = EISDIR, " 101 "got %d", errno); 102 } else { 103 tst_resm(TPASS, "got EISDIR"); 104 } 105 } else { 106 tst_resm(TFAIL, "Error: readv returned a positive " 107 "value"); 108 } 109 110 } 111 cleanup(); 112 /*NOTREACHED*/ return 0; 113} 114 115/* 116 * setup() - performs all ONE TIME setup for this test. 117 */ 118void setup() 119{ 120 121 /* capture signals */ 122 tst_sig(NOFORK, DEF_HANDLER, cleanup); 123 124 /* Pause if that option was specified */ 125 TEST_PAUSE; 126 127 /* make a temporary directory and cd to it */ 128 tst_tmpdir(); 129 130 /* 131 * create a new directory and open it 132 */ 133 134 if ((r_val = mkdir(TEST_DIR, MODES)) == -1) { 135 tst_brkm(TBROK, cleanup, "%s - mkdir() in main() " 136 "failed", TCID); 137 } 138 139 if ((fd = open(TEST_DIR, O_RDONLY)) == -1) { 140 tst_brkm(TBROK, cleanup, "open of directory failed"); 141 } 142 143} 144 145/* 146 * cleanup() - performs all ONE TIME cleanup for this test at 147 * completion or premature exit. 148 */ 149void cleanup() 150{ 151 if (close(fd) < 0) { 152 tst_brkm(TBROK, cleanup, "close failed: errno = %d", errno); 153 } 154 tst_rmdir(); 155 tst_exit(); 156} 157