1 /* Copyright (C) 1996-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
25 /* In GNU libc the conversion functions only can convert between the
26 fixed wide character representation and the multibyte
27 representation of the same character set. Since we use ISO 10646
28 in UCS4 encoding for wide characters the best solution for
29 multibyte characters is the UTF8 encoding. I.e., the only state
30 information is a counter of the processed bytes so far and the
31 value collected so far. Especially, we don't have different shift
37 return ps == NULL || ps->__count == 0;
39 weak_alias (__mbsinit, mbsinit)