kc3-lang/libffi/testsuite/libffi.call/return_ul.c

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• Hash : eb244724
  Author :
  Date : 2021-07-16T14:33:04
  

  Use CHECK to assert more things in test suite (#654)
  
  * Use CHECK to assert more things in test suite
  
  * Use snprintf instead of sprintf
  
  * Fix va_struct1 and va_struct3

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• testsuite/libffi.call/return_ul.c

• /* Area:	ffi_call
     Purpose:	Check if unsigned long as return type is handled correctly.
     Limitations:	none.
     PR:		none.
     Originator:	<kaffeetisch at gmx dot de> 20060724  */
  
  /* { dg-do run } */
  #include "ffitest.h"
  static unsigned long return_ul(unsigned long ul1, unsigned long ul2)
  {
    CHECK(ul1 == 1073741823L);
    CHECK(ul2 == 1073741824L);
    return ul1 + ul2;
  }
  
  int main (void)
  {
    ffi_cif cif;
    ffi_type *args[MAX_ARGS];
    void *values[MAX_ARGS];
    ffi_arg res;
    unsigned long ul1, ul2;
  
    args[0] = &ffi_type_ulong;
    args[1] = &ffi_type_ulong;
    values[0] = &ul1;
    values[1] = &ul2;
  
    CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2,
  		     &ffi_type_ulong, args) == FFI_OK);
  
    ul1 = 1073741823L;
    ul2 = 1073741824L;
  
    ffi_call(&cif, FFI_FN(return_ul), &res, values);
    printf("res: %lu, %lu\n", (unsigned long)res, ul1 + ul2);
    /* { dg-output "res: 2147483647, 2147483647" } */
    CHECK(res == 2147483647L);
    CHECK(ul1 + ul2 == 2147483647L);
  
    exit(0);
  }
  

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