Mercurial > hg > octave-lyh > gnulib-hg
changeset 8009:49e804ab3e12
Move to here from utf16-ucs4.h.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 28 Jan 2007 01:59:28 +0000 |
parents | 21c7ece05477 |
children | a8e6646d456e |
files | lib/utf16-ucs4-unsafe.h |
diffstat | 1 files changed, 45 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
new file mode 100644 --- /dev/null +++ b/lib/utf16-ucs4-unsafe.h @@ -0,0 +1,45 @@ +/* Conversion UTF-16 to UCS-4. + Copyright (C) 2001-2002, 2005-2007 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2001. + + 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. */ + +#ifndef _UTF16_UCS4_UNSAFE_H +#define _UTF16_UCS4_UNSAFE_H + +#include <stddef.h> +#include "unitypes.h" + +extern int u16_mbtouc_unsafe_aux (ucs4_t *puc, const uint16_t *s, size_t n); + +/* Return the length (number of units) of the first character in S, putting + its 'ucs4_t' representation in *PUC. + The number of available units, N, must be > 0. */ +static inline int +u16_mbtouc_unsafe (ucs4_t *puc, const uint16_t *s, size_t n) +{ + uint16_t c = *s; + + if (c < 0xd800 || c >= 0xe000) + { + *puc = c; + return 1; + } + else + return u16_mbtouc_unsafe_aux (puc, s, n); +} + +#endif /* _UTF16_UCS4_UNSAFE_H */