New microblaze support
[libffi.git] / testsuite / libffi.call / return_uc.c
1 /* Area: ffi_call
2 Purpose: Check return value unsigned char.
3 Limitations: none.
4 PR: none.
5 Originator: From the original ffitest.c */
6
7 /* { dg-do run } */
8 #include "ffitest.h"
9
10 static unsigned char return_uc(unsigned char uc)
11 {
12 return uc;
13 }
14
15 int main (void)
16 {
17 ffi_cif cif;
18 ffi_type *args[MAX_ARGS];
19 void *values[MAX_ARGS];
20 ffi_arg rint;
21
22 unsigned char uc;
23
24 args[0] = &ffi_type_uchar;
25 values[0] = &uc;
26
27 /* Initialize the cif */
28 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
29 &ffi_type_uchar, args) == FFI_OK);
30
31 for (uc = (unsigned char) '\x00';
32 uc < (unsigned char) '\xff'; uc++)
33 {
34 ffi_call(&cif, FFI_FN(return_uc), &rint, values);
35 CHECK((unsigned char)rint == uc);
36 }
37 exit(0);
38 }