Mercurial > hg > octave-kai > gnulib-hg
changeset 8574:ba28246401dd
New module 'unistr/u32-mbtoucr'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Wed, 28 Mar 2007 21:37:03 +0000 |
parents | 4d05b7be1efa |
children | 3c161e212eeb |
files | lib/unistr/u32-mbtoucr.c modules/unistr/u32-mbtoucr |
diffstat | 2 files changed, 65 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/lib/unistr/u32-mbtoucr.c @@ -0,0 +1,41 @@ +/* Look at first character in UTF-32 string, returning an error code. + 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" + +int +u32_mbtoucr (ucs4_t *puc, const uint32_t *s, size_t n) +{ + uint32_t c = *s; + + if (c < 0xd800 || (c >= 0xe000 && c < 0x110000)) + { + *puc = c; + return 1; + } + else + { + /* invalid multibyte character */ + *puc = 0xfffd; + return -1; + } +}
new file mode 100644 --- /dev/null +++ b/modules/unistr/u32-mbtoucr @@ -0,0 +1,24 @@ +Description: +Look at first character in UTF-32 string, returning an error code upon failure. + +Files: +lib/unistr/u32-mbtoucr.c + +Depends-on: +unistr/base + +configure.ac: +gl_MODULE_INDICATOR([unistr/u32-mbtoucr]) + +Makefile.am: +lib_SOURCES += unistr/u32-mbtoucr.c + +Include: +"unistr.h" + +License: +LGPL + +Maintainer: +Bruno Haible +