elf/resolvfail.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3
   4 static const char obj[] = "testobj1.so";
   5
   6 int
   7 main (void)
   8 {
   9   void *d = dlopen (obj, RTLD_LAZY);
  10   int n;
  11
  12   if (d == NULL)
  13     {
  14       printf ("cannot load %s: %s\n", obj, dlerror ());
  15       return 1;
  16     }
  17
  18   for (n = 0; n < 10000; ++n)
  19     if (dlsym (d, "does not exist") != NULL)
  20       {
  21         puts ("dlsym() did not fail");
  22         return 1;
  23       }
  24     else if (dlerror () == NULL)
  25       {
  26         puts ("dlerror() didn't return a string");
  27         return 1;
  28       }
  29
  30   return 0;
  31 }