From fa095a4504cbe668e4244547e2c141597bea4ecf Mon Sep 17 00:00:00 2001 From: Andreas Rottmann Date: Mon, 14 Sep 2009 12:32:44 +0200 Subject: Imported Upstream version 0.9.1 --- lib/unistr/u16-mbtouc-unsafe-aux.c | 55 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 lib/unistr/u16-mbtouc-unsafe-aux.c (limited to 'lib/unistr/u16-mbtouc-unsafe-aux.c') diff --git a/lib/unistr/u16-mbtouc-unsafe-aux.c b/lib/unistr/u16-mbtouc-unsafe-aux.c new file mode 100644 index 00000000..9906e301 --- /dev/null +++ b/lib/unistr/u16-mbtouc-unsafe-aux.c @@ -0,0 +1,55 @@ +/* Conversion UTF-16 to UCS-4. + Copyright (C) 2001-2002, 2006-2007, 2009 Free Software Foundation, Inc. + Written by Bruno Haible , 2001. + + This program 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. + + 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +#include + +/* Specification. */ +#include "unistr.h" + +#if defined IN_LIBUNISTRING || HAVE_INLINE + +int +u16_mbtouc_unsafe_aux (ucs4_t *puc, const uint16_t *s, size_t n) +{ + uint16_t c = *s; + +#if CONFIG_UNICODE_SAFETY + if (c < 0xdc00) +#endif + { + if (n >= 2) + { +#if CONFIG_UNICODE_SAFETY + if (s[1] >= 0xdc00 && s[1] < 0xe000) +#endif + { + *puc = 0x10000 + ((c - 0xd800) << 10) + (s[1] - 0xdc00); + return 2; + } + /* invalid multibyte character */ + } + else + { + /* incomplete multibyte character */ + } + } + /* invalid multibyte character */ + *puc = 0xfffd; + return 1; +} + +#endif -- cgit v1.2.3