1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin * *
3da2e3ebdSchin * This software is part of the ast package *
4*3e14f97fSRoger A. Faulkner * Copyright (c) 1985-2010 AT&T Intellectual Property *
5da2e3ebdSchin * and is licensed under the *
6da2e3ebdSchin * Common Public License, Version 1.0 *
77c2fbfb3SApril Chin * by AT&T Intellectual Property *
8da2e3ebdSchin * *
9da2e3ebdSchin * A copy of the License is available at *
10da2e3ebdSchin * http://www.opensource.org/licenses/cpl1.0.txt *
11da2e3ebdSchin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
12da2e3ebdSchin * *
13da2e3ebdSchin * Information and Software Systems Research *
14da2e3ebdSchin * AT&T Research *
15da2e3ebdSchin * Florham Park NJ *
16da2e3ebdSchin * *
17da2e3ebdSchin * Glenn Fowler <gsf@research.att.com> *
18da2e3ebdSchin * David Korn <dgk@research.att.com> *
19da2e3ebdSchin * Phong Vo <kpv@research.att.com> *
20da2e3ebdSchin * *
21da2e3ebdSchin ***********************************************************************/
22da2e3ebdSchin #pragma prototyped
23da2e3ebdSchin
24da2e3ebdSchin #include "stdhdr.h"
25da2e3ebdSchin
26da2e3ebdSchin int
vswprintf(wchar_t * s,size_t n,const wchar_t * fmt,va_list args)27da2e3ebdSchin vswprintf(wchar_t* s, size_t n, const wchar_t* fmt, va_list args)
28da2e3ebdSchin {
29da2e3ebdSchin Sfio_t f;
30da2e3ebdSchin int v;
31da2e3ebdSchin
32da2e3ebdSchin if (!s)
33da2e3ebdSchin return -1;
34da2e3ebdSchin
35da2e3ebdSchin /*
36da2e3ebdSchin * make a fake stream
37da2e3ebdSchin */
38da2e3ebdSchin
39da2e3ebdSchin SFCLEAR(&f, NiL);
40da2e3ebdSchin f.flags = SF_STRING|SF_WRITE;
41da2e3ebdSchin f.bits = SF_PRIVATE;
42da2e3ebdSchin f.mode = SF_WRITE;
43da2e3ebdSchin f.size = n - 1;
44da2e3ebdSchin f.data = f.next = f.endr = (uchar*)s;
45da2e3ebdSchin f.endb = f.endw = f.data + f.size;
46da2e3ebdSchin
47da2e3ebdSchin /*
48da2e3ebdSchin * call and adjust
49da2e3ebdSchin */
50da2e3ebdSchin
51da2e3ebdSchin v = vfwprintf(&f, fmt, args);
52da2e3ebdSchin *f.next = 0;
53da2e3ebdSchin _Sfi = f.next - f.data;
54da2e3ebdSchin return v;
55da2e3ebdSchin }
56