diff options
Diffstat (limited to 'lib/unistr/u8-mbtouc.c')
| -rw-r--r-- | lib/unistr/u8-mbtouc.c | 123 |
1 files changed, 15 insertions, 108 deletions
diff --git a/lib/unistr/u8-mbtouc.c b/lib/unistr/u8-mbtouc.c index dc4607f6..db9bec32 100644 --- a/lib/unistr/u8-mbtouc.c +++ b/lib/unistr/u8-mbtouc.c @@ -1,12 +1,21 @@ /* Look at first character in UTF-8 string. - Copyright (C) 1999-2002, 2006-2007, 2009-2015 Free Software Foundation, Inc. + Copyright (C) 1999-2002, 2006-2007, 2009-2016 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 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 free software: you can redistribute it and/or + modify it under the terms of either: + * 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. + + or + + * the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your + option) any later version. + + or both in parallel, as here. 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 @@ -105,10 +114,7 @@ u8_mbtouc (ucs4_t *puc, const uint8_t *s, size_t n) if ((s[3] ^ 0x80) < 0x40) { if ((c >= 0xf1 || s[1] >= 0x90) -#if 1 - && (c < 0xf4 || (c == 0xf4 && s[1] < 0x90)) -#endif - ) + && (c < 0xf4 || (c == 0xf4 && s[1] < 0x90))) { *puc = ((unsigned int) (c & 0x07) << 18) | ((unsigned int) (s[1] ^ 0x80) << 12) @@ -142,105 +148,6 @@ u8_mbtouc (ucs4_t *puc, const uint8_t *s, size_t n) return 3; } } -#if 0 - else if (c < 0xfc) - { - if (n >= 5) - { - if ((s[1] ^ 0x80) < 0x40) - { - if ((s[2] ^ 0x80) < 0x40) - { - if ((s[3] ^ 0x80) < 0x40) - { - if ((s[4] ^ 0x80) < 0x40) - { - if (c >= 0xf9 || s[1] >= 0x88) - { - *puc = ((unsigned int) (c & 0x03) << 24) - | ((unsigned int) (s[1] ^ 0x80) << 18) - | ((unsigned int) (s[2] ^ 0x80) << 12) - | ((unsigned int) (s[3] ^ 0x80) << 6) - | (unsigned int) (s[4] ^ 0x80); - return 5; - } - /* invalid multibyte character */ - *puc = 0xfffd; - return 5; - } - /* invalid multibyte character */ - *puc = 0xfffd; - return 4; - } - /* invalid multibyte character */ - *puc = 0xfffd; - return 3; - } - /* invalid multibyte character */ - return 2; - } - /* invalid multibyte character */ - } - else - { - /* incomplete multibyte character */ - *puc = 0xfffd; - return n; - } - } - else if (c < 0xfe) - { - if (n >= 6) - { - if ((s[1] ^ 0x80) < 0x40) - { - if ((s[2] ^ 0x80) < 0x40) - { - if ((s[3] ^ 0x80) < 0x40) - { - if ((s[4] ^ 0x80) < 0x40) - { - if ((s[5] ^ 0x80) < 0x40) - { - if (c >= 0xfd || s[1] >= 0x84) - { - *puc = ((unsigned int) (c & 0x01) << 30) - | ((unsigned int) (s[1] ^ 0x80) << 24) - | ((unsigned int) (s[2] ^ 0x80) << 18) - | ((unsigned int) (s[3] ^ 0x80) << 12) - | ((unsigned int) (s[4] ^ 0x80) << 6) - | (unsigned int) (s[5] ^ 0x80); - return 6; - } - /* invalid multibyte character */ - *puc = 0xfffd; - return 6; - } - /* invalid multibyte character */ - *puc = 0xfffd; - return 5; - } - /* invalid multibyte character */ - *puc = 0xfffd; - return 4; - } - /* invalid multibyte character */ - *puc = 0xfffd; - return 3; - } - /* invalid multibyte character */ - return 2; - } - /* invalid multibyte character */ - } - else - { - /* incomplete multibyte character */ - *puc = 0xfffd; - return n; - } - } -#endif } /* invalid multibyte character */ *puc = 0xfffd; |