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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libffi/] [testsuite/] [libffi.call/] [struct8.c] - Blame information for rev 14

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Line No. Rev Author Line
1 14 jlechner
/* Area:        ffi_call
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   Purpose:     Check structures.
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   Limitations: none.
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   PR:          none.
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   Originator:  From the original ffitest.c  */
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/* { dg-do run } */
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#include "ffitest.h"
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typedef struct
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{
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  float f1;
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  float f2;
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  float f3;
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  float f4;
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} test_structure_8;
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static test_structure_8 struct8 (test_structure_8 ts)
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{
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  ts.f1 += 1;
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  ts.f2 += 1;
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  ts.f3 += 1;
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  ts.f4 += 1;
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  return ts;
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}
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int main (void)
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{
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  ffi_cif cif;
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  ffi_type *args[MAX_ARGS];
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  void *values[MAX_ARGS];
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  ffi_type ts8_type;
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  ffi_type *ts8_type_elements[5];
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  ts8_type.size = 0;
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  ts8_type.alignment = 0;
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  ts8_type.type = FFI_TYPE_STRUCT;
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  ts8_type.elements = ts8_type_elements;
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  ts8_type_elements[0] = &ffi_type_float;
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  ts8_type_elements[1] = &ffi_type_float;
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  ts8_type_elements[2] = &ffi_type_float;
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  ts8_type_elements[3] = &ffi_type_float;
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  ts8_type_elements[4] = NULL;
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  test_structure_8 ts8_arg;
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  /* This is a hack to get a properly aligned result buffer */
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  test_structure_8 *ts8_result =
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    (test_structure_8 *) malloc (sizeof(test_structure_8));
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  args[0] = &ts8_type;
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  values[0] = &ts8_arg;
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  /* Initialize the cif */
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts8_type, args) == FFI_OK);
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  ts8_arg.f1 = 5.55f;
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  ts8_arg.f2 = 55.5f;
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  ts8_arg.f3 = -5.55f;
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  ts8_arg.f4 = -55.5f;
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  printf ("%g\n", ts8_arg.f1);
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  printf ("%g\n", ts8_arg.f2);
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  printf ("%g\n", ts8_arg.f3);
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  printf ("%g\n", ts8_arg.f4);
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  ffi_call(&cif, FFI_FN(struct8), ts8_result, values);
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  printf ("%g\n", ts8_result->f1);
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  printf ("%g\n", ts8_result->f2);
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  printf ("%g\n", ts8_result->f3);
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  printf ("%g\n", ts8_result->f4);
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  CHECK(ts8_result->f1 == 5.55f + 1);
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  CHECK(ts8_result->f2 == 55.5f + 1);
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  CHECK(ts8_result->f3 == -5.55f + 1);
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  CHECK(ts8_result->f4 == -55.5f + 1);
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  free (ts8_result);
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  exit(0);
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}

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