diff options
Diffstat (limited to 'libffi/testsuite/libffi.call/cls_uchar.c')
-rw-r--r-- | libffi/testsuite/libffi.call/cls_uchar.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libffi/testsuite/libffi.call/cls_uchar.c b/libffi/testsuite/libffi.call/cls_uchar.c new file mode 100644 index 000000000..c1317e795 --- /dev/null +++ b/libffi/testsuite/libffi.call/cls_uchar.c @@ -0,0 +1,42 @@ +/* Area: closure_call + Purpose: Check return value uchar. + Limitations: none. + PR: none. + Originator: <andreast@gcc.gnu.org> 20030828 */ + +/* { dg-do run } */ +#include "ffitest.h" + +static void cls_ret_uchar_fn(ffi_cif* cif __UNUSED__, void* resp, void** args, + void* userdata __UNUSED__) +{ + *(ffi_arg*)resp = *(unsigned char *)args[0]; + printf("%d: %d\n",*(unsigned char *)args[0], + (int)*(ffi_arg *)(resp)); +} +typedef unsigned char (*cls_ret_uchar)(unsigned char); + +int main (void) +{ + ffi_cif cif; + void *code; + ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); + ffi_type * cl_arg_types[2]; + unsigned char res; + + cl_arg_types[0] = &ffi_type_uchar; + cl_arg_types[1] = NULL; + + /* Initialize the cif */ + CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1, + &ffi_type_uchar, cl_arg_types) == FFI_OK); + + CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_uchar_fn, NULL, code) == FFI_OK); + + res = (*((cls_ret_uchar)code))(127); + /* { dg-output "127: 127" } */ + printf("res: %d\n",res); + /* { dg-output "\nres: 127" } */ + + exit(0); +} |