[thirdparty/glibc.git] / elf / next.c

#include <stdio.h>


extern int successful_rtld_next_test (void);
extern void *failing_rtld_next_use (void);


static int
do_test (void)
{
  int result;
  void *addr;

  /* First try call a function which uses RTLD_NEXT and calls that
     function.  */
  result = successful_rtld_next_test ();
  if (result == 42)
    {
      puts ("RTLD_NEXT seems to work for existing functions");
      result = 0;
    }
  else
    {
      printf ("Heh?  `successful_rtld_next_test' returned %d\n", result);
      result = 1;
    }

  /* Next try a function which tries to get a function with RTLD_NEXT
     but that fails.  This dlsym() call should return a NULL pointer
     and do nothing else.  */
  addr = failing_rtld_next_use ();
  if (addr == NULL)
    puts ("dlsym returned NULL for non-existing function.  Good");
  else
    {
      puts ("dlsym found something !?");
      result = 1;
    }

  return result;
}

#include <support/test-driver.c>
Commit	Line	Data
917fd061 UD	1	#include <stdio.h>
	2
	3
	4	extern int successful_rtld_next_test (void);
	5	extern void *failing_rtld_next_use (void);
	6
	7
a850e77f	8	static int
917fd061 UD	9	do_test (void)
	10	{
	11	int result;
	12	void *addr;
	13
	14	/* First try call a function which uses RTLD_NEXT and calls that
	15	function. */
	16	result = successful_rtld_next_test ();
	17	if (result == 42)
	18	{
	19	puts ("RTLD_NEXT seems to work for existing functions");
	20	result = 0;
	21	}
	22	else
	23	{
	24	printf ("Heh? `successful_rtld_next_test' returned %d\n", result);
	25	result = 1;
	26	}
	27
	28	/* Next try a function which tries to get a function with RTLD_NEXT
	29	but that fails. This dlsym() call should return a NULL pointer
	30	and do nothing else. */
	31	addr = failing_rtld_next_use ();
	32	if (addr == NULL)
	33	puts ("dlsym returned NULL for non-existing function. Good");
	34	else
	35	{
	36	puts ("dlsym found something !?");
	37	result = 1;
	38	}
	39
	40	return result;
	41	}
	42
36fe25fd	43	#include <support/test-driver.c>