1 /* 2 * Copyright (c) 2000 Silicon Graphics, Inc. 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 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write the Free Software Foundation, Inc., 21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 22 * 23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 24 * Mountain View, CA 94043, or: 25 * 26 * http://www.sgi.com 27 * 28 * For further information regarding this notice, see: 29 * 30 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 31 * 32 */ 33 /* $Id: readlink02.c,v 1.6 2009/11/02 13:57:17 subrata_modak Exp $ */ 34 /********************************************************** 35 * 36 * OS Test - Silicon Graphics, Inc. 37 * 38 * TEST IDENTIFIER : readlink02 39 * 40 * EXECUTED BY : anyone 41 * 42 * TEST TITLE : Basic test for readlink(2) 43 * 44 * PARENT DOCUMENT : usctpl01 45 * 46 * TEST CASE TOTAL : 1 47 * 48 * WALL CLOCK TIME : 1 49 * 50 * CPU TYPES : ALL 51 * 52 * AUTHOR : William Roske 53 * 54 * CO-PILOT : Dave Fenner 55 * 56 * DATE STARTED : 03/30/92 57 * 58 * INITIAL RELEASE : UNICOS 7.0 59 * 60 * TEST CASES 61 * 62 * 1.) readlink(2) returns...(See Description) 63 * 64 * INPUT SPECIFICATIONS 65 * The standard options for system call tests are accepted. 66 * (See the parse_opts(3) man page). 67 * 68 * OUTPUT SPECIFICATIONS 69 *$ 70 * DURATION 71 * Terminates - with frequency and infinite modes. 72 * 73 * SIGNALS 74 * Uses SIGUSR1 to pause before test if option set. 75 * (See the parse_opts(3) man page). 76 * 77 * RESOURCES 78 * None 79 * 80 * ENVIRONMENTAL NEEDS 81 * No run-time environmental needs. 82 * 83 * SPECIAL PROCEDURAL REQUIREMENTS 84 * None 85 * 86 * INTERCASE DEPENDENCIES 87 * None 88 * 89 * DETAILED DESCRIPTION 90 * This is a Phase I test for the readlink(2) system call. It is intended 91 * to provide a limited exposure of the system call, for now. It 92 * should/will be extended when full functional tests are written for 93 * readlink(2). 94 * 95 * Setup: 96 * Setup signal handling. 97 * Pause for SIGUSR1 if option specified. 98 * 99 * Test: 100 * Loop if the proper options are given. 101 * Execute system call 102 * Check return code, if system call failed (return=-1) 103 * Log the errno and Issue a FAIL message. 104 * Otherwise, Issue a PASS message. 105 * 106 * Cleanup: 107 * Print errno log and/or timing stats if options given 108 * 109 * 110 *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#**/ 111 112 #include <sys/types.h> 113 #include <sys/fcntl.h> 114 #include <errno.h> 115 #include <string.h> 116 #include <signal.h> 117 #include "test.h" 118 119 void setup(); 120 void cleanup(); 121 122 char *TCID = "readlink02"; 123 int TST_TOTAL = 1; 124 125 char fname[255], buf[255], symlnk[255]; 126 int fd; 127 128 int main(int ac, char **av) 129 { 130 int lc; 131 132 /*************************************************************** 133 * parse standard options 134 ***************************************************************/ 135 tst_parse_opts(ac, av, NULL, NULL); 136 137 /*************************************************************** 138 * perform global setup for test 139 ***************************************************************/ 140 setup(); 141 142 /*************************************************************** 143 * check looping state if -c option given 144 ***************************************************************/ 145 for (lc = 0; TEST_LOOPING(lc); lc++) { 146 147 tst_count = 0; 148 149 /* 150 * Call readlink(2) 151 */ 152 TEST(readlink(symlnk, buf, 255)); 153 154 /* check return code */ 155 if (TEST_RETURN == -1) { 156 tst_resm(TFAIL, 157 "readlink(%s, buf, 255) Failed, errno=%d : %s", 158 symlnk, TEST_ERRNO, strerror(TEST_ERRNO)); 159 } else { 160 tst_resm(TPASS, 161 "readlink(%s, buf, 255) returned %ld", 162 symlnk, TEST_RETURN); 163 } 164 165 } 166 167 cleanup(); 168 tst_exit(); 169 } 170 171 /*************************************************************** 172 * setup() - performs all ONE TIME setup for this test. 173 ***************************************************************/ 174 void setup(void) 175 { 176 177 tst_sig(NOFORK, DEF_HANDLER, cleanup); 178 179 TEST_PAUSE; 180 181 tst_tmpdir(); 182 183 sprintf(fname, "./tfile_%d", getpid()); 184 if ((fd = open(fname, O_RDWR | O_CREAT, 0700)) == -1) { 185 tst_brkm(TBROK, cleanup, 186 "open(%s, O_RDWR|O_CREAT,0700) Failed, errno=%d : %s", 187 fname, errno, strerror(errno)); 188 } 189 if (close(fd) == -1) { 190 tst_resm(TWARN, "close(%s) Failed, errno=%d : %s", 191 fname, errno, strerror(errno)); 192 } 193 sprintf(symlnk, "./sl_%d", getpid()); 194 if (symlink(fname, symlnk) == -1) { 195 tst_resm(TWARN, "symlnk(%s, %s) Failed, errno=%d : %s", 196 fname, symlnk, errno, strerror(errno)); 197 } 198 199 } 200 201 /*************************************************************** 202 * cleanup() - performs all ONE TIME cleanup for this test at 203 * completion or premature exit. 204 ***************************************************************/ 205 void cleanup(void) 206 { 207 208 tst_rmdir(); 209 210 } 211