9761385dbdPR-URL: https://github.com/nodejs/node/pull/64040 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: René <contact.9a5d6388@renegade334.me.uk> Reviewed-By: Paolo Insogna <paolo@cowtech.it>
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
/* 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 f01;
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float f02;
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float f03;
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float f04;
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} test_structure_1;
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static test_structure_1 ABI_ATTR struct1(test_structure_1 ts)
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{
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ts.f04++;
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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 ts1_type;
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ffi_type *ts1_type_elements[5];
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test_structure_1 ts1_arg;
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/* This is a hack to get a properly aligned result buffer */
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test_structure_1 *ts1_result =
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(test_structure_1 *) malloc (sizeof(test_structure_1));
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ts1_type.size = 0;
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ts1_type.alignment = 0;
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ts1_type.type = FFI_TYPE_STRUCT;
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ts1_type.elements = ts1_type_elements;
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ts1_type_elements[0] = &ffi_type_float;
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ts1_type_elements[1] = &ffi_type_float;
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ts1_type_elements[2] = &ffi_type_float;
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ts1_type_elements[3] = &ffi_type_float;
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ts1_type_elements[4] = NULL;
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args[0] = &ts1_type;
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values[0] = &ts1_arg;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, ABI_NUM, 1,
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&ts1_type, args) == FFI_OK);
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ts1_arg.f04 = 555.5;
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ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
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CHECK(fabs(ts1_result->f04 - 556.5) < FLT_EPSILON);
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/* This will fail if ffi_call isn't passing the struct by value. */
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CHECK(fabs(ts1_arg.f04 - 555.5) < FLT_EPSILON);
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free (ts1_result);
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exit(0);
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}
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