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 
return_uc(unsigned char uc)10 static unsigned char return_uc(unsigned char uc)
11 {
12   return uc;
13 }
14 
main(void)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 }
39