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/* vprintf.c
* $Id: vprintf.c,v 1.1 2008/08/11 22:41:55 keithmarshall Exp $
* Provides an implementation of the "vprintf" function, conforming
* generally to C99 and SUSv3/POSIX specifications, with extensions
* to support Microsoft's non-standard format specifications. This
* is included in libmingwex.a, whence it may replace the Microsoft
* function of the same name.
* Written by Keith Marshall <>
* This implementation of "vprintf" will normally be invoked by calling
* "__mingw_vprintf()" in preference to a direct reference to "vprintf()"
* itself; this leaves the MSVCRT implementation as the default, which
* will be deployed when user code invokes "vprint()". Users who then
* wish to use this implementation may either call "__mingw_vprintf()"
* directly, or may use conditional preprocessor defines, to redirect
* references to "vprintf()" to "__mingw_vprintf()".
* Compiling this module with "-D INSTALL_AS_DEFAULT" will change this
* recommended convention, such that references to "vprintf()" in user
* code will ALWAYS be redirected to "__mingw_vprintf()"; if this option
* is adopted, then users wishing to use the MSVCRT implementation of
* "vprintf()" will be forced to use a "back-door" mechanism to do so.
* Such a "back-door" mechanism is provided with MinGW, allowing the
* MSVCRT implementation to be called as "__msvcrt_vprintf()"; however,
* since users may not expect this behaviour, a standard libmingwex.a
* installation does not employ this option.
* This is free software. You may redistribute and/or modify it as you
* see fit, without restriction of copyright.
* This software is provided "as is", in the hope that it may be useful,
* but WITHOUT WARRANTY OF ANY KIND, not even any implied warranty of
* time will the author accept any form of liability for any damages,
* however caused, resulting from the use of this software.
#include <stdio.h>
#include <stdarg.h>
#include "mingw_pformat.h"
int __cdecl __vprintf (const APICHAR *, va_list) __MINGW_NOTHROW;
int __cdecl __vprintf(const APICHAR *fmt, va_list argv)
return __pformat( PFORMAT_TO_FILE | PFORMAT_NOLIMIT, stdout, 0, fmt, argv );