fopen() bug

[Dan Olson]

>Stephen Whiteley <stevew@best.com> writes:
>>
>> fopen(0, "r") maybe should fault, since that seems to be a common
>> result under UNIX.  Otherwise, porting from Cygnus -> UNIX might break
>> someone's (buggy) application.
>
>Actually, it's undefined behaviour, and various Unix implementations
>deal with it in different ways (eg., Linux, HPUX, AIX, etc handle
>these cases and set errno appropriately). Cygwin b20.1 will handle
>it like Linux.


Not that this matters if you are trying to handle things like Linux, but I
seem to remember that on SunOS 4.1.x, fopen("", "r") opened the current
directory.  Does anybody remember that?  Is that a BSD behaviour?
--
dano@aa.net


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