From: Reece Dunn <msclrhd@googlemail.com>
Date: Mon, 17 Aug 2009 16:56:17 GMT
Subject: Re: [PATCH 05/11] Remove va_copy at MSVC because there are va_copy.
Message-ID: <3f4fd2640908170956j556fcba7o1ec4c2107197dbd@mail.gmail.com>
In-Reply-To: <4A898B27.3040507@gnu.org>

2009/8/17 Paolo Bonzini <bonzini@gnu.org>:
> On 08/17/2009 06:04 PM, Frank Li wrote:
>>
>> MSVs have not implemented va_copy. remove va_copy at MSVC environment.
>> It will malloc buffer each time.
>
> ... but only a 257-byte buffer as dscho pointed out.
>
> In many places that do not have va_copy, a simple assignment works.  And
> va_end is almost always a no-op. So what about
>
> #ifndef va_copy
> #define va_copy(dst, src)       ((dst) = (src))
> #endif
>
> if it works on MSVC?

According to http://stackoverflow.com/questions/558223/vacopy-porting-to-visual-c
that should work.

- Reece