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Diffstat (limited to '')
-rw-r--r-- | js/src/ctypes/libffi/testsuite/libffi.closures/cls_double.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/ctypes/libffi/testsuite/libffi.closures/cls_double.c b/js/src/ctypes/libffi/testsuite/libffi.closures/cls_double.c new file mode 100644 index 0000000000..84ad4cb7d9 --- /dev/null +++ b/js/src/ctypes/libffi/testsuite/libffi.closures/cls_double.c @@ -0,0 +1,43 @@ +/* Area: closure_call + Purpose: Check return value double. + Limitations: none. + PR: none. + Originator: <andreast@gcc.gnu.org> 20030828 */ + +/* { dg-do run } */ +#include "ffitest.h" + +static void cls_ret_double_fn(ffi_cif* cif __UNUSED__, void* resp, void** args, + void* userdata __UNUSED__) + { + *(double *)resp = *(double *)args[0]; + + printf("%f: %f\n",*(double *)args[0], + *(double *)resp); + } +typedef double (*cls_ret_double)(double); + +int main (void) +{ + ffi_cif cif; + void *code; + ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); + ffi_type * cl_arg_types[2]; + double res; + + cl_arg_types[0] = &ffi_type_double; + cl_arg_types[1] = NULL; + + /* Initialize the cif */ + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, + &ffi_type_double, cl_arg_types) == FFI_OK); + + CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_double_fn, NULL, code) == FFI_OK); + + res = (*((cls_ret_double)code))(21474.789); + /* { dg-output "21474.789000: 21474.789000" } */ + printf("res: %.6f\n", res); + /* { dg-output "\nres: 21474.789000" } */ + + exit(0); +} |