Mercurial > hg > octave-nkf > gnulib-hg
changeset 8036:881a30fe0225
Move to here from u32-mbtouc-safe.c.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 28 Jan 2007 02:36:06 +0000 |
parents | ea332c6cfbfd |
children | 30dc9ade7f70 |
files | lib/unistr/u32-mbtouc.c |
diffstat | 1 files changed, 40 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/lib/unistr/u32-mbtouc.c @@ -0,0 +1,40 @@ +/* Look at first character in UTF-32 string. + Copyright (C) 2002, 2006-2007 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2002. + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU Library General Public License as published + by the Free Software Foundation; either version 2, 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + USA. */ + +#include <config.h> + +/* Specification. */ +#include "unistr.h" + +#if !HAVE_INLINE + +int +u32_mbtouc (ucs4_t *puc, const uint32_t *s, size_t n) +{ + uint32_t c = *s; + + if (c < 0xd800 || (c >= 0xe000 && c < 0x110000)) + *puc = c; + else + /* invalid multibyte character */ + *puc = 0xfffd; + return 1; +} + +#endif