sortix-mirror/libc/wchar/wcpncpy.cpp

38 lines
1.3 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2014.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
wchar/wcpncpy.cpp
Copies a string into a fixed size buffer and returns last byte.
*******************************************************************************/
#include <wchar.h>
extern "C"
wchar_t* wcpncpy(wchar_t* restrict dest, const wchar_t* restrict src, size_t n)
{
size_t i;
for ( i = 0; i < n && src[i] != L'\0'; i++ )
dest[i] = src[i];
wchar_t* ret = dest + i;
for ( ; i < n; i++ )
dest[i] = L'\0';
return ret;
}