1 /* Copyright (C) 2004-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <dlfcn.h> 19 #include <errno.h> 20 #include <stdio.h> 21 #include <stdlib.h> 22 #include <unistd.h> 23 #include <sys/stat.h> 24 25 26 extern int foo (void); 27 28 static const char testsubdir[] = PFX "test-subdir"; 29 30 31 static int do_test(void)32do_test (void) 33 { 34 struct stat64 st; 35 int result = 1; 36 37 if (mkdir (testsubdir, 0777) != 0 38 && (errno != EEXIST 39 || stat64 (testsubdir, &st) != 0 40 || !S_ISDIR (st.st_mode))) 41 { 42 printf ("cannot create directory %s\n", testsubdir); 43 return 1; 44 } 45 46 if (system ("cp " PFX "firstobj.so " PFX "test-subdir/in-subdir.so") != 0) 47 { 48 puts ("cannot copy DSO"); 49 return 1; 50 } 51 52 void *p = dlopen ("in-subdir.so", RTLD_LAZY|RTLD_LOCAL); 53 if (p != NULL) 54 { 55 puts ("succeeded in opening in-subdir.so from do_test"); 56 dlclose (p); 57 goto out; 58 } 59 60 result = foo (); 61 62 out: 63 unlink (PFX "test-subdir/in-subdir.so"); 64 rmdir (testsubdir); 65 66 return result; 67 } 68 69 #include <support/test-driver.c> 70