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Contents
/* 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* } } */
#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;
CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 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*, long double))(code))(format, ldArg);
// { dg-output "\n7.0" }
printf("res: %d\n", (int) res);
// { dg-output "\nres: 4" }
exit(0);
}
Version data entries
93 entries across 91 versions & 8 rubygems