From: Paolo Bonzini <bonzini@gnu.org>
Date: Mon, 17 Aug 2009 16:53:59 GMT
Subject: Re: [PATCH 05/11] Remove va_copy at MSVC because there are va_copy.
Message-ID: <4A898B27.3040507@gnu.org>
In-Reply-To: <1250525040-5868-1-git-send-email-lznuaa@gmail.com>

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?

Paolo