[phobos] Making std.stdio.readf @safe
Jakub Łabaj via phobos
phobos at puremagic.com
Tue Feb 7 09:59:28 PST 2017
On Tuesday, 7 February 2017 at 17:45:00 UTC, Andrei Alexandrescu
> This may be hasty. https://linux.die.net/man/2/flock does not
> perform any unsafe operation, even for invalid arguments. --
> On 2/7/17 11:44 AM, Walter Bright via phobos wrote:
>> On 2/7/2017 6:00 AM, Jakub Łabaj via phobos wrote:
>>> Ok, so I have doubts whether these functions can be @trusted.
>>> On the
>>> one hand
>>> they get just FILE* as an argument which (as I see it) makes
>>> it safe
>>> On the other hand FGETC is unlocked version of fgetc and
>>> explicit lock
>>> to be used safely; FLOCK and FUNLOCK invocations should match,
>>> therefore there
>>> is also possibility to use it incorrectly. Personally I would
>>> not mark
>>> @trusted then, is it correct?
>> I'd say you're right.
>> phobos mailing list
>> phobos at puremagic.com
FLOCK is aliased (at Linux) to
https://linux.die.net/man/3/flockfile . It may be safe on its
own, but to avoid deadlock must be followed by call to unlock.
Does it qualify to be @trusted in such case?
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