1N/A/***********************************************************************
1N/A* *
1N/A* This software is part of the ast package *
1N/A* Copyright (c) 1985-2011 AT&T Intellectual Property *
1N/A* and is licensed under the *
1N/A* Common Public License, Version 1.0 *
1N/A* by AT&T Intellectual Property *
1N/A* *
1N/A* A copy of the License is available at *
1N/A* http://www.opensource.org/licenses/cpl1.0.txt *
1N/A* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
1N/A* *
1N/A* Information and Software Systems Research *
1N/A* AT&T Research *
1N/A* Florham Park NJ *
1N/A* *
1N/A* Glenn Fowler <gsf@research.att.com> *
1N/A* David Korn <dgk@research.att.com> *
1N/A* Phong Vo <kpv@research.att.com> *
1N/A* *
1N/A***********************************************************************/
1N/A#pragma prototyped
1N/A
1N/A#include "stdhdr.h"
1N/A
1N/Aint
1N/Avswprintf(wchar_t* s, size_t n, const wchar_t* fmt, va_list args)
1N/A{
1N/A Sfio_t f;
1N/A int v;
1N/A
1N/A if (!s)
1N/A return -1;
1N/A
1N/A /*
1N/A * make a fake stream
1N/A */
1N/A
1N/A SFCLEAR(&f, NiL);
1N/A f.flags = SF_STRING|SF_WRITE;
1N/A f.bits = SF_PRIVATE;
1N/A f.mode = SF_WRITE;
1N/A f.size = n - 1;
1N/A f.data = f.next = f.endr = (uchar*)s;
1N/A f.endb = f.endw = f.data + f.size;
1N/A
1N/A /*
1N/A * call and adjust
1N/A */
1N/A
1N/A v = vfwprintf(&f, fmt, args);
1N/A *f.next = 0;
1N/A _Sfi = f.next - f.data;
1N/A return v;
1N/A}