glibc/elf/tst-audit12.c

/* Test that symbol is bound to a DSO replaced by la_objsearch.
   Copyright (C) 2015-2017 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <dlfcn.h>
#include <stdio.h>

int
do_test (void)
{
  puts ("Start");
  void *h = dlopen ("$ORIGIN/tst-audit12mod1.so", RTLD_LAZY);
  if (h == NULL)
    {
      printf ("module not loaded: %s\n", dlerror ());
      return 1;
    }
  int (*fp) (void) = (int (*) (void)) dlsym (h, "f1");
  if (fp == NULL)
    {
      printf ("function f1 not found: %s\n", dlerror ());
      return 1;
    }
  int res = fp ();
  if (res != 43)
    {
      puts ("incorrect function f2 called");
      return 1;
    }
  printf ("%d is OK\n", res);
  return 0;
}

#include <support/test-driver.c>