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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [string/] [wcsncat.c] - Rev 194
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/* FUNCTION <<wcsncat>>---concatenate part of two wide-character strings ANSI_SYNOPSIS #include <wchar.h> wchar_t *wcsncat(wchar_t *<[s1]>, const wchar_t *<[s2]>, size_t <[n]>); TRAD_SYNOPSIS wchar_t *wcsncat(<[s1]>, <[s2]>, <[n]> wchar_t *<[s1]>; const wchar_t *<[s2]>; size_t <[n]>; DESCRIPTION The <<wcsncat>> function appends not more than <[n]> wide-character codes (a null wide-character code and wide-character codes that follow it are not appended) from the array pointed to by <[s2]> to the end of the wide-character string pointed to by <[s1]>. The initial wide-character code of <[s2]> overwrites the null wide-character code at the end of <[s1]>. A terminating null wide-character code is always appended to the result. If copying takes place between objects that overlap, the behaviour is undefined. RETURNS The <<wcsncat>> function returns <[s1]>; no return value is reserved to indicate an error. PORTABILITY <<wcsncat>> is ISO/IEC 9899/AMD1:1995 (ISO C). No supporting OS subroutines are required. */ /* $NetBSD: wcsncat.c,v 1.1 2000/12/23 23:14:36 itojun Exp $ */ /*- * Copyright (c)1999 Citrus Project, * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * citrus Id: wcsncat.c,v 1.1 1999/12/29 21:47:45 tshiozak Exp */ #include <_ansi.h> #include <wchar.h> wchar_t * _DEFUN (wcsncat, (s1, s2, n), wchar_t * s1 _AND _CONST wchar_t * s2 _AND size_t n) { wchar_t *p; wchar_t *q; _CONST wchar_t *r; p = s1; while (*p) p++; q = p; r = s2; while (*r && n) { *q++ = *r++; n--; } *q = '\0'; return s1; }
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