[thirdparty/gcc.git] / libffi / testsuite / libffi.call / negint.c

/* Area:	ffi_call
   Purpose:	Check that negative integers are passed correctly.
   Limitations:	none.
   PR:		none.
   Originator:	From the original ffitest.c  */

/* { dg-do run } */

#include "ffitest.h"

static int checking(int a, short b, signed char c)
{

  return (a < 0 && b < 0 && c < 0);
}

int main (void)
{
  ffi_cif cif;
  ffi_type *args[MAX_ARGS];
  void *values[MAX_ARGS];
  ffi_arg rint;

  signed int si;
  signed short ss;
  signed char sc;

  args[0] = &ffi_type_sint;
  values[0] = &si;
  args[1] = &ffi_type_sshort;
  values[1] = &ss;
  args[2] = &ffi_type_schar;
  values[2] = &sc;

  /* Initialize the cif */
  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
		     &ffi_type_sint, args) == FFI_OK);

  si = -6;
  ss = -12;
  sc = -1;

  checking (si, ss, sc);

  ffi_call(&cif, FFI_FN(checking), &rint, values);

  printf ("%d vs %d\n", (int)rint, checking (si, ss, sc));

  CHECK(rint != 0);

  exit (0);
}
Commit	Line	Data
3d47e9ca KK	1	/* Area: ffi_call
	2	Purpose: Check that negative integers are passed correctly.
	3	Limitations: none.
	4	PR: none.
	5	Originator: From the original ffitest.c */
	6
	7	/* { dg-do run } */
3d47e9ca KK	8
	9	#include "ffitest.h"
	10
	11	static int checking(int a, short b, signed char c)
	12	{
3d47e9ca KK	13
	14	return (a < 0 && b < 0 && c < 0);
	15	}
	16
	17	int main (void)
	18	{
	19	ffi_cif cif;
	20	ffi_type *args[MAX_ARGS];
	21	void *values[MAX_ARGS];
	22	ffi_arg rint;
	23
	24	signed int si;
	25	signed short ss;
	26	signed char sc;
	27
	28	args[0] = &ffi_type_sint;
	29	values[0] = &si;
	30	args[1] = &ffi_type_sshort;
	31	values[1] = &ss;
	32	args[2] = &ffi_type_schar;
	33	values[2] = &sc;
	34
	35	/* Initialize the cif */
	36	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 3,
	37	&ffi_type_sint, args) == FFI_OK);
	38
	39	si = -6;
	40	ss = -12;
	41	sc = -1;
	42
	43	checking (si, ss, sc);
	44
	45	ffi_call(&cif, FFI_FN(checking), &rint, values);
	46
	47	printf ("%d vs %d\n", (int)rint, checking (si, ss, sc));
	48
	49	CHECK(rint != 0);
	50
	51	exit (0);
	52	}