Re: PQescapeString handling of \0

Поиск
Список
Период
Сортировка
От Igor Shevchenko
Тема Re: PQescapeString handling of \0
Дата
Msg-id 200309292215.20949.igor@carcass.ath.cx
обсуждение исходный текст
Ответ на Re: PQescapeString handling of \0  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: PQescapeString handling of \0  (greg@turnstep.com)
Список pgsql-interfaces
If the purpose of PQescapeString is to make a safe variant of a given string 
(NULL-terminated or counted), where safity means ability to simply add it to 
the query (which is char* and is passed directly to PQexec), then either 
length should return what strlen would return for the given string or \0 
should be escaped somehow.

On Monday 29 September 2003 21:22, Tom Lane wrote:
> Igor Shevchenko <igor@carcass.ath.cx> writes:
> > Here's a patch which makes PQescapeString stop escaping when \0 is seen.
>
> Hm.  Is that really the right behavior?  Given that the function is
> defined to take a counted string rather than a null-terminated string,
> I'd sort of expect it to turn \0 into "\000" or some such.  Of course,
> given that this could overflow the specified size of the return buffer,
> one might simply conclude that the defined API is broken ...
>
>             regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 5: Have you checked our extensive FAQ?
>
>                http://www.postgresql.org/docs/faqs/FAQ.html

-- 
Best regards,
Igor Shevchenko



В списке pgsql-interfaces по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: PQescapeString handling of \0
Следующее
От: greg@turnstep.com
Дата:
Сообщение: Re: PQescapeString handling of \0