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Diffstat (limited to 'newlib/libc/string/wcscat.c')
| -rw-r--r-- | newlib/libc/string/wcscat.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/newlib/libc/string/wcscat.c b/newlib/libc/string/wcscat.c new file mode 100644 index 000000000..b3a3bd987 --- /dev/null +++ b/newlib/libc/string/wcscat.c @@ -0,0 +1,84 @@ +/* +FUNCTION + <<wcscat>>---concatenate two wide-character strings +INDEX + wcscat + +ANSI_SYNOPSIS + #include <wchar.h> + wchar_t *wcscat(wchar_t *<[s1]>, const wchar_t *<[s2]>); + +TRAD_SYNOPSIS + wchar_t *wcscat(<[s1]>, <[s2]> + wchar_t *<[s1]>; + const wchar_t *<[s2]>; + +DESCRIPTION + The <<wcscat>> function appends a copy of the wide-character string + pointed to by <[s2]> (including the terminating null wide-character + code) 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]>. If copying takes place between + objects that overlap, the behaviour is undefined. + +RETURNS + The <<wcscat>> function returns <[s1]>; + no return value is reserved to indicate an error. + +PORTABILITY +<<wcscat>> is ISO/IEC 9899/AMD1:1995 (ISO C). +No supporting OS subroutines are required. +*/ + +/* $NetBSD: wcscat.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: wcscat.c,v 1.1 1999/12/29 21:47:45 tshiozak Exp + */ + +#include <_ansi.h> +#include <wchar.h> + +wchar_t * +_DEFUN (wcscat, (s1, s2), + wchar_t * s1 _AND + _CONST wchar_t * s2) +{ + wchar_t *p; + wchar_t *q; + _CONST wchar_t *r; + + p = s1; + while (*p) + p++; + q = p; + r = s2; + while (*r) + *q++ = *r++; + *q = '\0'; + return s1; +} |