-/* prog_gnu_dynlinker.c -- check that RTLD_NEXT is defined as in GNU linker */
-/* Copyright (c) 2012-2014. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#define _GNU_SOURCE 1
-#include <dlfcn.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-static void * (*real_malloc) (size_t);
-
-int main(void) {
- char *error;
- dlerror(); // clear any previous error
- real_malloc = (void * (*) (size_t)) dlsym(RTLD_NEXT, "malloc");
- error = dlerror();
- if (!error && real_malloc) {
- char *A = real_malloc(20);
- strcpy(A,"epic success");
- free(A);
- return 0; // SUCCESS
- } else {
- if (error)
- printf("Error while checking for dlsym: %s\n",error);
- else
- printf("dlsym did not return any error, but failed to find malloc()\n");
- return 1; // FAILED
- }
-}