vswscanf.c revision 3e14f97f673e8a630f076077de35afdd43dc1587
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
#include "stdhdr.h"
int
vswscanf(const wchar_t* s, const wchar_t* fmt, va_list args)
{
Sfio_t f;
if (!s)
return -1;
/*
* make a fake stream
*/
SFCLEAR(&f, NiL);
f.flags = SF_STRING|SF_READ;
f.bits = SF_PRIVATE;
f.mode = SF_READ;
f.size = wcslen(s) * sizeof(wchar_t);
f.data = f.next = f.endw = (uchar*)s;
f.endb = f.endr = f.data + f.size;
/*
* sfio does the rest
*/
return vfwscanf(&f, fmt, args);
}