44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
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/* Area: closure_call
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Purpose: Check return value double.
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Limitations: none.
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PR: none.
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Originator: <andreast@gcc.gnu.org> 20030828 */
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/* { dg-do run } */
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#include "ffitest.h"
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static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
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void* userdata __UNUSED__)
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{
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*(double *)resp = *(double *)args[0];
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printf("%f: %f\n",*(double *)args[0],
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*(double *)resp);
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}
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typedef double (*cls_ret_double)(double);
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int main (void)
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{
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ffi_cif cif;
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void *code;
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ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
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ffi_type * cl_arg_types[2];
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double res;
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cl_arg_types[0] = &ffi_type_double;
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cl_arg_types[1] = NULL;
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/* Initialize the cif */
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CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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&ffi_type_double, cl_arg_types) == FFI_OK);
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CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_double_fn, NULL, code) == FFI_OK);
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res = (*((cls_ret_double)code))(21474.789);
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/* { dg-output "21474.789000: 21474.789000" } */
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printf("res: %.6f\n", res);
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/* { dg-output "\nres: 21474.789000" } */
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exit(0);
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}
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