dlfcn/defaultmod1.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3
   4 int
   5 found_in_mod1 (void)
   6 {
   7   return 1;
   8 }
   9
  10
  11 int
  12 test_in_mod1 (void *mainp)
  13 {
  14   int (*ifp) (void);
  15   void *p;
  16   int result = 0;
  17
  18   /* Find function `main'.  */
  19   p = dlsym (RTLD_DEFAULT, "main");
  20   if (p == NULL)
  21     {
  22       printf ("%s: main not found\n", __FILE__);
  23       result = 1;
  24     }
  25   else if (p != mainp)
  26     {
  27       printf ("%s: wrong address returned for main\n", __FILE__);
  28       result = 1;
  29     }
  30   else
  31     printf ("%s: main correctly found\n", __FILE__);
  32
  33   ifp = dlsym (RTLD_DEFAULT, "found_in_mod1");
  34   if ((void *) ifp == NULL)
  35     {
  36       printf ("%s: found_in_mod1 not found\n", __FILE__);
  37       result = 1;
  38     }
  39   else if (ifp () != 1)
  40     {
  41       printf ("%s: wrong address returned for found_in_mod1\n", __FILE__);
  42       result = 1;
  43     }
  44   else
  45     printf ("%s: found_in_mod1 correctly found\n", __FILE__);
  46
  47   ifp = dlsym (RTLD_DEFAULT, "found_in_mod2");
  48   if ((void *) ifp == NULL)
  49     {
  50       printf ("%s: found_in_mod2 not found\n", __FILE__);
  51       result = 1;
  52     }
  53   else if (ifp () != 2)
  54     {
  55       printf ("%s: wrong address returned for found_in_mod2\n", __FILE__);
  56       result = 1;
  57     }
  58   else
  59     printf ("%s: found_in_mod2 correctly found\n", __FILE__);
  60
  61   return result;
  62 }