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Date:	Mon, 14 May 2007 06:22:54 -0600
From:	Eric Blake <ebb9 AT byu DOT net>
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To:	cygwin AT cygwin DOT com
Subject:	Re: missing functions
References:	<loom DOT 20070502T004544-728 AT post DOT gmane DOT org> <20070514121228 DOT GC12259 AT calimero DOT vinschen DOT de>
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According to Corinna Vinschen on 5/14/2007 6:12 AM:
>> _Exit
>> dprintf
>>
>> There is also a big list of integer-only and reentrant variants of *printf that 
>> might be worth exporting:
>>
>> asiprintf, _asiprintf, asiprintf_r, _asiprintf_r, diprintf, _diprintf, 
>> diprintf_r, _diprintf_r, _dprintf, dprintf_r, _dprintf_r, fiprintf_r, 
>> _fiprintf_r, fprintf_r, _fprintf_r, iprintf_r, _iprintf_r, printf_r, _printf_r, 
>> siprintf_r, _siprintf_r, sniprintf, _sniprintf, sniprintf_r, _sniprintf_r, 
>> snprintf_r, _snprintf_r, sprintf_r, _sprintf_r, vasiprintf, _vasiprintf, 
>> vasiprintf_r, _vasiprintf_r, vdiprintf, _vdiprintf, vdiprintf_r, _vdiprintf_r, 
>> vdprintf, _vdprintf, vdprintf_r, _vdprintf_r, vfiprintf_r, _vfiprintf_r, 
>> vfprintf_r, _vfprintf_r, viprintf, _viprintf, viprintf_r, _viprintf_r, 
>> vprintf_r, _vprintf_r, vsiprintf, _vsiprintf, vsiprintf_r, _vsiprintf_r, 
>> vsniprintf, _vsniprintf, vsniprintf_r, _vsniprintf_r, vsnprintf_r, 
>> _vsnprintf_r, vsprintf_r, _vsprintf_r
> 
> Why the underscore variants?  Are they covered by any standard?  If not,
> we don't export these variants anymore.  The existing ones have been
> originally exported to maintain some compatibility to msvcrt, but this
> is a moot point for a long time.

I didn't realize that.  No, there is no need for the leading underscore
variants, which cuts the edits to cygwin.din in half (although recall that
newlib provides, for example, only the pair vdprintf and _vdprintf_r, so
cygwin.din needs to export vdprintf_r mapped to _vdprintf_r).

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9 AT byu DOT net
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