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Viewing changes to Modules/_ctypes/libffi/testsuite/libffi.call/struct5.c

  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2013-11-25 09:44:27 UTC
  • Revision ID: package-import@ubuntu.com-20131125094427-lzxj8ap5w01lmo7f
Tags: upstream-3.4~b1
Import upstream version 3.4~b1

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Modules/_ctypes/libffi/testsuite/libffi.call/struct5.c
 
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/* 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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  char c1;
 
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  char c2;
 
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} test_structure_5;
 
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static test_structure_5 struct5(test_structure_5 ts1, test_structure_5 ts2)
 
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{
 
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  ts1.c1 += ts2.c1;
 
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  ts1.c2 -= ts2.c2;
 
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  return ts1;
 
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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 ts5_type;
 
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  ffi_type *ts5_type_elements[3];
 
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  test_structure_5 ts5_arg1, ts5_arg2;
 
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  /* This is a hack to get a properly aligned result buffer */
 
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  test_structure_5 *ts5_result =
 
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    (test_structure_5 *) malloc (sizeof(test_structure_5));
 
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  ts5_type.size = 0;
 
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  ts5_type.alignment = 0;
 
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  ts5_type.type = FFI_TYPE_STRUCT;
 
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  ts5_type.elements = ts5_type_elements;
 
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  ts5_type_elements[0] = &ffi_type_schar;
 
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  ts5_type_elements[1] = &ffi_type_schar;
 
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  ts5_type_elements[2] = NULL;
 
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  args[0] = &ts5_type;
 
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  args[1] = &ts5_type;
 
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  values[0] = &ts5_arg1;
 
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  values[1] = &ts5_arg2;
 
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  /* Initialize the cif */
 
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &ts5_type, args) == FFI_OK);
 
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  ts5_arg1.c1 = 2;
 
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  ts5_arg1.c2 = 6;
 
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  ts5_arg2.c1 = 5;
 
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  ts5_arg2.c2 = 3;
 
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  ffi_call (&cif, FFI_FN(struct5), ts5_result, values);
 
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  CHECK(ts5_result->c1 == 7); 
 
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  CHECK(ts5_result->c2 == 3);
 
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  free (ts5_result);
 
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  exit(0);
 
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}