elf/tst-prelink-cmp.c

   1 /* Test the output from the environment variable, LD_TRACE_PRELINKING,
   2    for prelink.
   3    Copyright (C) 2021 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <ldsodefs.h>
  21 #include <support/check.h>
  22 #include <support/xstdio.h>
  23 #include <support/support.h>
  24 #include <support/test-driver.h>
  25
  26 static int
  27 do_test (void)
  28 {
  29 #ifndef DL_EXTERN_PROTECTED_DATA
  30   return EXIT_UNSUPPORTED;
  31 #else
  32   char *src = xasprintf ("%s/elf/tst-prelink-conflict.out",
  33                          support_objdir_root);
  34   FILE *f = xfopen (src,"r");
  35   size_t buffer_length = 0;
  36   char *buffer = NULL;
  37
  38   const char *expected = "/0 stdout\n";
  39
  40   xgetline (&buffer, &buffer_length, f);
  41   TEST_COMPARE_STRING (expected, buffer);
  42
  43   free (buffer);
  44   xfclose (f);
  45   return 0;
  46 #endif
  47 }
  48
  49 #include <support/test-driver.c>