1 /* 2 * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. 3 * AUTHOR : William Roske 4 * CO-PILOT : Dave Fenner 5 * Copyright (c) 2014 Cyril Hrubis <chrubis@suse.cz> 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of version 2 of the GNU General Public License as 9 * published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it would be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 14 * 15 * Further, this software is distributed without any warranty that it is 16 * free of the rightful claim of any third person regarding infringement 17 * or the like. Any license provided herein, whether implied or 18 * otherwise, applies only to this software file. Patent licenses, if 19 * any, provided herein do not apply to combinations of this program with 20 * other software, or any other product whatsoever. 21 * 22 * You should have received a copy of the GNU General Public License along 23 * with this program; if not, write the Free Software Foundation, Inc., 24 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 25 * 26 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 27 * Mountain View, CA 94043, or: 28 * 29 * http://www.sgi.com 30 * 31 * For further information regarding this notice, see: 32 * 33 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ 34 */ 35 36 /* 37 * Tests that link(2) succeds. 38 */ 39 40 #include <sys/types.h> 41 #include <fcntl.h> 42 #include <sys/stat.h> 43 #include <errno.h> 44 #include <string.h> 45 #include <signal.h> 46 #include "test.h" 47 #include "safe_macros.h" 48 49 static void setup(void); 50 static void cleanup(void); 51 52 char *TCID = "link02"; 53 int TST_TOTAL = 1; 54 55 #define OLDPATH "oldpath" 56 #define NEWPATH "newpath" 57 58 static void verify_link(void) 59 { 60 struct stat fbuf, lbuf; 61 62 TEST(link(OLDPATH, NEWPATH)); 63 64 if (TEST_RETURN == 0) { 65 SAFE_STAT(cleanup, OLDPATH, &fbuf); 66 SAFE_STAT(cleanup, NEWPATH, &lbuf); 67 if (fbuf.st_nlink > 1 && lbuf.st_nlink > 1 && 68 fbuf.st_nlink == lbuf.st_nlink) { 69 tst_resm(TPASS, "link("OLDPATH","NEWPATH") " 70 "returned 0 and link counts match"); 71 } else { 72 tst_resm(TFAIL, "link("OLDPATH","NEWPATH") returned 0" 73 " but stat lin count do not match %d %d", 74 (int)fbuf.st_nlink, (int)lbuf.st_nlink); 75 } 76 SAFE_UNLINK(cleanup, NEWPATH); 77 } else { 78 tst_resm(TFAIL | TTERRNO, 79 "link("OLDPATH","NEWPATH") returned %ld", 80 TEST_RETURN); 81 } 82 } 83 84 int main(int ac, char **av) 85 { 86 int lc; 87 88 tst_parse_opts(ac, av, NULL, NULL); 89 90 setup(); 91 92 for (lc = 0; TEST_LOOPING(lc); lc++) { 93 tst_count = 0; 94 verify_link(); 95 } 96 97 cleanup(); 98 tst_exit(); 99 } 100 101 static void setup(void) 102 { 103 tst_sig(NOFORK, DEF_HANDLER, cleanup); 104 105 TEST_PAUSE; 106 107 tst_tmpdir(); 108 109 SAFE_TOUCH(cleanup, OLDPATH, 0700, NULL); 110 } 111 112 static void cleanup(void) 113 { 114 tst_rmdir(); 115 } 116