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  }