regress/usr.bin/rtld/dlerror-cleared/dlerror-cleared.c

   1 #include <stdio.h>
   2 #include <dlfcn.h>
   3 #include <err.h>
   4
   5 int main(void)
   6 {
   7         void *handle;
   8         char *error;
   9
  10         /*
  11          * Test that an error set by dlopen() persists past a successful
  12          * dlopen() call.
  13          */
  14         handle = dlopen("libnonexistent.so", RTLD_LAZY);
  15         handle = dlopen("libm.so", RTLD_LAZY);
  16         error = dlerror();
  17         if (error == NULL)
  18                 errx(1, "Failed: dlerror() was cleared by successful dlopen()\n");
  19         printf("OK: %s\n", error);
  20
  21         return 0;
  22 }