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Re: iconv(3) protype mismatch with POSIX
Date: Thu, 16 Jun 2016 12:27:47 +0200
From: Kamil Rytarowski <n54%gmx.com@localhost>
On 16.06.2016 05:28, David Holland wrote:
> On Sun, May 29, 2016 at 03:54:29AM +0200, Kamil Rytarowski wrote:
> > This is an interesting exercise to use C11.. however:
> > 1. Not all ports moved to gcc 4.9+,
> > 2. pcc doesn't support it,
> > 3. it won't work as a valid and acceptable C++ code.
> > 4. Many software expects system headers to be C89, GNU89 etc, and
> > doesn't request C11.
> None of that matters, it just needs to be wrapped in suitable ifdefs.
All of them matters to me and C11 in a public-header is no-go.
We already have plenty of conditionals like this for C99 and C++ in
public header files -- for example, __restrict, __BEGIN_DECLS, &c.
Can't hurt to add
#if (__STDC_VERSION__ - 0) > 201112L
#define iconv ...
or whatever, if we want to do that.
> > How about the Solaris 11 move? Leave "extern" option for those who rally
> > want it and SUS/POSIX for others.
> "extern" option?
These calls with and without const should be ABI compatible.
Can you explain how an application uses this, and how this helps?
Does illumos use _POSIX_C_SOURCE vs _SOLARIS_SOURCE or something to
select the declaration?
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