sortix-mirror/libc/stdlib/wctomb.cpp

42 lines
1.4 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012, 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/>.
stdlib/wctomb.cpp
Convert a wide character to a multibyte sequence.
*******************************************************************************/
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
// TODO: This function is unpure and should be removed.
extern "C" int wctomb(char* s, wchar_t wc)
{
static mbstate_t ps;
size_t result = wcrtomb(s, wc, &ps);
if ( !s )
memset(&ps, 0, sizeof(ps));
if ( result == (size_t) -1 )
return -1;
if ( result == (size_t) -2 )
return -1;
return (int) result;
}