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/**
* slibc — Yet another C library
* Copyright © 2015, 2016 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <wchar.h>
/**
* Concatenate a string to the end of another string.
* The resulting strings must not overlap with the appended string.
*
* The use of this function is often a really bad idea.
*
* @param whither The string to extend.
* @param whence The string to append.
* @param maxlen The maximum number of wide characters to copy.
* NOTE that if the resulting string at least this
* long, no NUL character will be written to `whither'.
* On the otherhand, if the resultnig string is
* shorter, `whither` will be filled with NUL characters
* until this amount of characters have been written.
* @return `whither` is returned.
*
* @since Always.
*/
wchar_t* wcsncat(wchar_t* restrict whither, const wchar_t* restrict whence, size_t maxlen)
{
wcsncpy(whither + wcslen(whither), whence, maxlen);
return whither;
}
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