elf/tst-dlopenrpath.c

   1 /* Copyright (C) 2004-2018 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <dlfcn.h>
  20 #include <errno.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24 #include <sys/stat.h>
  25
  26
  27 extern int foo (void);
  28
  29 static const char testsubdir[] = PFX "test-subdir";
  30
  31
  32 static int
  33 do_test (void)
  34 {
  35   struct stat64 st;
  36   int result = 1;
  37
  38   if (mkdir (testsubdir, 0777) != 0
  39       && (errno != EEXIST
  40           || stat64 (testsubdir, &st) != 0
  41           || !S_ISDIR (st.st_mode)))
  42     {
  43       printf ("cannot create directory %s\n", testsubdir);
  44       return 1;
  45     }
  46
  47   if (system ("cp " PFX "firstobj.so " PFX "test-subdir/in-subdir.so") != 0)
  48     {
  49       puts ("cannot copy DSO");
  50       return 1;
  51     }
  52
  53   void *p = dlopen ("in-subdir.so", RTLD_LAZY|RTLD_LOCAL);
  54   if (p != NULL)
  55     {
  56       puts ("succeeded in opening in-subdir.so from do_test");
  57       dlclose (p);
  58       goto out;
  59     }
  60
  61   result = foo ();
  62
  63  out:
  64   unlink (PFX "test-subdir/in-subdir.so");
  65   rmdir (testsubdir);
  66
  67   return result;
  68 }
  69
  70 #include <support/test-driver.c>