64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/***********************************************************************
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* *
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* This software is part of the ast package *
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* Copyright (c) 1985-2011 AT&T Intellectual Property *
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* Copyright (c) 2020-2022 Contributors to ksh 93u+m *
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* and is licensed under the *
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* Eclipse Public License, Version 1.0 *
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* by AT&T Intellectual Property *
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* *
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* A copy of the License is available at *
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* http://www.eclipse.org/org/documents/epl-v10.html *
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* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
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* *
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* Information and Software Systems Research *
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* AT&T Research *
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* Florham Park NJ *
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* *
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* Glenn Fowler <gsf@research.att.com> *
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* David Korn <dgk@research.att.com> *
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* Phong Vo <kpv@research.att.com> *
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* *
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***********************************************************************/
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#include "stdhdr.h"
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#if !_has_multibyte
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NoN(vswprintf)
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#else
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int
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vswprintf(wchar_t* s, size_t n, const wchar_t* fmt, va_list args)
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{
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Sfio_t f;
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int v;
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if (!s)
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return -1;
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/*
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* make a fake stream
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*/
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SFCLEAR(&f);
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f.flags = SF_STRING|SF_WRITE;
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f.bits = SF_PRIVATE;
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f.mode = SF_WRITE;
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f.size = n - 1;
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f.data = f.next = f.endr = (uchar*)s;
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f.endb = f.endw = f.data + f.size;
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/*
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* call and adjust
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*/
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v = vfwprintf(&f, fmt, args);
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*f.next = 0;
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_Sfi = f.next - f.data;
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return v;
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}
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#endif /* !_has_multibyte */
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