Re: How to print pointer to function?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



在 2019/12/17 20:56, Vincent Lefevre 写道:
> On 2019-12-12 11:53:05 +0100, Josef Wolf wrote:
>> Thanks for the help, Liu!
>>
>> This silenced the warning.
> 
> The goal should not be to silence warnings, but to write portable
> code. If you find a way to silence a warning, only to silence a
> warning, this is useless. You'd better disable warnings.
> 
> Here your code is still non-portable, perhaps *more* non-portable,
> as only conversions between intptr_t and void * are guaranteed to
> work. Moreover, the intptr_t type is optional.
> 

POSIX requires casting between `void*` and pointer-to-function to
preserve values in the specification of `dlsym()`. C++ says it is
conditionally supported. I don't see portability issues. Non-POSIX
systems (other than Windows) died decades ago.

-- 
Best regards,
LH_Mouse




[Index of Archives]     [Linux C Programming]     [Linux Kernel]     [eCos]     [Fedora Development]     [Fedora Announce]     [Autoconf]     [The DWARVES Debugging Tools]     [Yosemite Campsites]     [Yosemite News]     [Linux GCC]

  Powered by Linux