how to fool gcc?

[Zajcev Evgeny]

Zajcev Evgeny <zevlg at yandex.ru> writes:

>
> Maybe just have copy of `s' inside while statement?  Something like:
>
>> #define RETURNS(s) do { \
>>         if ((s) == NULL) \
>>                 openpam_log(PAM_LOG_DEBUG, "returning NULL"); \
>>         else \
>>                 openpam_log(PAM_LOG_DEBUG, "returning '%s'", (s)); \
>>         return (s); \
>> } while (0)

err, I mean

#define RETURNS(s) do { \
        char *scpy = s; \
        if ((s) == NULL) \
                openpam_log(PAM_LOG_DEBUG, "returning NULL"); \
         else \
                 openpam_log(PAM_LOG_DEBUG, "returning '%s'", (scpy)); \
         return (s); \
} while (0)

-- 
lg