68 lines
1.4 KiB
C
68 lines
1.4 KiB
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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double d1;
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double d2;
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} test_structure_2;
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static test_structure_2 struct2(test_structure_2 ts)
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{
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ts.d1--;
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ts.d2--;
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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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test_structure_2 ts2_arg;
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ffi_type ts2_type;
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ffi_type *ts2_type_elements[3];
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ts2_type.size = 0;
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ts2_type.alignment = 0;
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ts2_type.type = FFI_TYPE_STRUCT;
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ts2_type.elements = ts2_type_elements;
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ts2_type_elements[0] = &ffi_type_double;
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ts2_type_elements[1] = &ffi_type_double;
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ts2_type_elements[2] = NULL;
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/* This is a hack to get a properly aligned result buffer */
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test_structure_2 *ts2_result =
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(test_structure_2 *) malloc (sizeof(test_structure_2));
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args[0] = &ts2_type;
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values[0] = &ts2_arg;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, &ts2_type, args) == FFI_OK);
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ts2_arg.d1 = 5.55;
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ts2_arg.d2 = 6.66;
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printf ("%g\n", ts2_arg.d1);
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printf ("%g\n", ts2_arg.d2);
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ffi_call(&cif, FFI_FN(struct2), ts2_result, values);
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printf ("%g\n", ts2_result->d1);
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printf ("%g\n", ts2_result->d2);
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CHECK(ts2_result->d1 == 5.55 - 1);
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CHECK(ts2_result->d2 == 6.66 - 1);
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free (ts2_result);
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exit(0);
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}
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