Sorry, I missed that you already did that.
On Thu, Mar 27, 2014 at 11:05 AM, John McKown
<john.archie.mck...@gmail.com>wrote:
> On Thu, Mar 27, 2014 at 10:51 AM, Bernd Oppolzer <
> bernd.oppol...@t-online.de> wrote:
>
>> Hello mainframe C users,
>>
>> today I observed an error in the C compiler,
>> which made me think again about the optimization strategy
>> of the z/OS C compiler.
>>
>> I wrote a small C function; the purpose was to translate
>> pointer values coming from PL/1 modules from NULL() values
>> - PL/1 builtin NULL() yields 0xFF000000 - to "real" NULLs
>> - 0x00000000 - or PL/1 SYSNULL.
>>
>> This is what I did:
>>
>>
>> /**********************************************************/
>> /* */
>> /* PLI/1 NULL () => SYSNULL () */
>> /* */
>> /**********************************************************/
>>
>> static void *pli_null_to_sysnull (void *ptr)
>>
>> {
>> unsigned int ppli = (unsigned int) ptr;
>>
>> #ifdef COMPERR
>> printf ("Ausgabe in pli_null_to_sysnull "
>> "wg. Comp-Fehler: %x\n", ppli);
>> #endif
>>
>> if (ppli == 0xff000000u)
>>
>
> I would replace the line above with:
> if ( (unsigned int)ppli == 0xff000000u) /* coerce ppli to an unsigned
> int */
>
>
>> {
>> return NULL;
>> }
>> else
>> {
>> return ptr;
>> }
>> }
>>
>
> <snip>
>
> --
> There is nothing more pleasant than traveling and meeting new people!
> Genghis Khan
>
> Maranatha! <><
> John McKown
>
--
There is nothing more pleasant than traveling and meeting new people!
Genghis Khan
Maranatha! <><
John McKown
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