Re: OFFTOPIC: core dumped with strcpy,atoi,sprintf.
| От | Tom Lane |
|---|---|
| Тема | Re: OFFTOPIC: core dumped with strcpy,atoi,sprintf. |
| Дата | |
| Msg-id | 15950.1347640654@sss.pgh.pa.us обсуждение исходный текст |
| Ответ на | OFFTOPIC: core dumped with strcpy,atoi,sprintf. ("Ing.Edmundo.Robles.Lopez" <erobles@sensacd.com.mx>) |
| Ответы |
Re: OFFTOPIC: core dumped with strcpy,atoi,sprintf.
|
| Список | pgsql-general |
"Ing.Edmundo.Robles.Lopez" <erobles@sensacd.com.mx> writes:
> Debugging the program, found that the core is generated by atoi,
> sprintf and similar functions; because that functions fails when
> received a null pointer (NULL). But, if the functions received an
> empty string ("") the program continues and run succesfully.
> Yes, I should validate each input pointers. But, its odd that works in
> SCO and not in Linux, and its odder that fails in functions like strcpy,
> atoi, sprintf, etc.
Not really. Per the POSIX spec, the behavior of those functions is
undefined for NULL input pointers. Some platforms are forgiving about
it, most are not.
regards, tom lane
В списке pgsql-general по дате отправления: