1  /* Copyright (C) 2004-2023 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
      32  do_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>