diff options
Diffstat (limited to 'testsuite/libffi.call/cls_double_va.c')
-rw-r--r-- | testsuite/libffi.call/cls_double_va.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/testsuite/libffi.call/cls_double_va.c b/testsuite/libffi.call/cls_double_va.c new file mode 100644 index 0000000..0695874 --- /dev/null +++ b/testsuite/libffi.call/cls_double_va.c @@ -0,0 +1,57 @@ +/* Area: ffi_call, closure_call + Purpose: Test 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*-*-* } } */ +#include "ffitest.h" + +static void +cls_double_va_fn(ffi_cif* cif __UNUSED__, void* resp, + void** args, void* userdata __UNUSED__) +{ + char* format = *(char**)args[0]; + double doubleValue = *(double*)args[1]; + + *(ffi_arg*)resp = printf(format, doubleValue); +} + +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 = "%.1f\n"; + double doubleArg = 7; + ffi_arg res = 0; + + arg_types[0] = &ffi_type_pointer; + arg_types[1] = &ffi_type_double; + 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] = &doubleArg; + 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_double_va_fn, NULL, code) == FFI_OK); + + res = ((int(*)(char*, double))(code))(format, doubleArg); + // { dg-output "\n7.0" } + printf("res: %d\n", (int) res); + // { dg-output "\nres: 4" } + + exit(0); +} |