mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-24 23:32:06 +00:00
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* Area: ffi_call, closure_call
|
|
Purpose: Test long doubles passed in variable argument lists.
|
|
Limitations: none.
|
|
PR: none.
|
|
Originator: Blake Chaffin 6/6/2007 */
|
|
|
|
/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
|
|
/* { dg-output "" { xfail avr32*-*-* x86_64-*-mingw* } } */
|
|
/* { dg-output "" { xfail mips-sgi-irix6* } } PR libffi/46660 */
|
|
|
|
#include "ffitest.h"
|
|
|
|
static void
|
|
cls_longdouble_va_fn(ffi_cif* cif __UNUSED__, void* resp,
|
|
void** args, void* userdata __UNUSED__)
|
|
{
|
|
char* format = *(char**)args[0];
|
|
long double ldValue = *(long double*)args[1];
|
|
|
|
*(ffi_arg*)resp = printf(format, ldValue);
|
|
}
|
|
|
|
int main (void)
|
|
{
|
|
ffi_cif cif;
|
|
void *code;
|
|
ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
|
|
void* args[3];
|
|
ffi_type* arg_types[3];
|
|
|
|
char* format = "%.1Lf\n";
|
|
long double ldArg = 7;
|
|
ffi_arg res = 0;
|
|
|
|
arg_types[0] = &ffi_type_pointer;
|
|
arg_types[1] = &ffi_type_longdouble;
|
|
arg_types[2] = NULL;
|
|
|
|
/* This printf call is variadic */
|
|
CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2, &ffi_type_sint,
|
|
arg_types) == FFI_OK);
|
|
|
|
args[0] = &format;
|
|
args[1] = &ldArg;
|
|
args[2] = NULL;
|
|
|
|
ffi_call(&cif, FFI_FN(printf), &res, args);
|
|
/* { dg-output "7.0" } */
|
|
printf("res: %d\n", (int) res);
|
|
/* { dg-output "\nres: 4" } */
|
|
|
|
CHECK(ffi_prep_closure_loc(pcl, &cif, cls_longdouble_va_fn, NULL,
|
|
code) == FFI_OK);
|
|
|
|
res = ((int(*)(char*, ...))(code))(format, ldArg);
|
|
/* { dg-output "\n7.0" } */
|
|
printf("res: %d\n", (int) res);
|
|
/* { dg-output "\nres: 4" } */
|
|
|
|
exit(0);
|
|
}
|