[phobos] Making std.stdio.readf @safe

[Andrei Alexandrescu via phobos]

This may be hasty. https://linux.die.net/man/2/flock does not perform 
any unsafe operation, even for invalid arguments. -- Andrei

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
>> interface.
>> On the other hand FGETC is unlocked version of fgetc and requires
>> 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
>> them
>> @trusted then, is it correct?
>
> I'd say you're right.
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