Re: [HACKERS] Add some const decorations to prototypes

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От
Fabien COELHO
Тема
Re: [HACKERS] Add some const decorations to prototypes
Дата
Msg-id
alpine.DEB.2.20.1711101626180.668@lancre
Ответ на
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Дерево обсуждения
[HACKERS] Add some const decorations to prototypes Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: [HACKERS] Add some const decorations to prototypes Mark Dilger <hornschnorter@gmail.com>
Re: [HACKERS] Add some const decorations to prototypes Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Add some const decorations to prototypes Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: [HACKERS] Add some const decorations to prototypes Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Add some const decorations to prototypes Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: [HACKERS] Add some const decorations to prototypes Fabien COELHO <coelho@cri.ensmp.fr>
Re: [HACKERS] Add some const decorations to prototypes Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: [HACKERS] Add some const decorations to prototypes Fabien COELHO <coelho@cri.ensmp.fr>
Re: [HACKERS] Add some const decorations to prototypes Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Add some const decorations to prototypes Fabien COELHO <coelho@cri.ensmp.fr>
Re: [HACKERS] Add some const decorations to prototypes Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: [HACKERS] Add some const decorations to prototypes Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Add some const decorations to prototypes Fabien COELHO <coelho@cri.ensmp.fr>
Re: [HACKERS] Add some const decorations to prototypes Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Re: [HACKERS] Add some const decorations to prototypes Robert Haas <robertmhaas@gmail.com>

> Would it make sense that the function returns "const void *", i.e. the cast 
> is not on the const part but on the pointer type part?

Or maybe you do not really need a cast, the following code does not 
generate any warning when compiled with clang & gcc.
 #include 
 // const void * would be ok as well void * msg_fun(void) {   return "hello world"; }
 int main(void) {   const char * msg = msg_fun();   printf("message: %s\n", msg);   return 0; }

Or basically all is fine, I'm just nitpicking for nothing, shame on me.

As I said, I rather like more precise declarations.

-- 
Fabien.


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