diff options
Diffstat (limited to 'lib/unistr/u8-mbtouc-unsafe-aux.c')
-rw-r--r-- | lib/unistr/u8-mbtouc-unsafe-aux.c | 140 |
1 files changed, 14 insertions, 126 deletions
diff --git a/lib/unistr/u8-mbtouc-unsafe-aux.c b/lib/unistr/u8-mbtouc-unsafe-aux.c index b406d3e..80cdcca 100644 --- a/lib/unistr/u8-mbtouc-unsafe-aux.c +++ b/lib/unistr/u8-mbtouc-unsafe-aux.c @@ -1,12 +1,21 @@ /* Conversion UTF-8 to UCS-4. - Copyright (C) 2001-2002, 2006-2007, 2009-2015 Free Software Foundation, Inc. + Copyright (C) 2001-2002, 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 @@ -33,17 +42,13 @@ u8_mbtouc_unsafe_aux (ucs4_t *puc, const uint8_t *s, size_t n) { if (n >= 2) { -#if CONFIG_UNICODE_SAFETY if ((s[1] ^ 0x80) < 0x40) -#endif { *puc = ((unsigned int) (c & 0x1f) << 6) | (unsigned int) (s[1] ^ 0x80); return 2; } -#if CONFIG_UNICODE_SAFETY /* invalid multibyte character */ -#endif } else { @@ -56,21 +61,18 @@ u8_mbtouc_unsafe_aux (ucs4_t *puc, const uint8_t *s, size_t n) { if (n >= 3) { -#if CONFIG_UNICODE_SAFETY if ((s[1] ^ 0x80) < 0x40) { if ((s[2] ^ 0x80) < 0x40) { if ((c >= 0xe1 || s[1] >= 0xa0) && (c != 0xed || s[1] < 0xa0)) -#endif { *puc = ((unsigned int) (c & 0x0f) << 12) | ((unsigned int) (s[1] ^ 0x80) << 6) | (unsigned int) (s[2] ^ 0x80); return 3; } -#if CONFIG_UNICODE_SAFETY /* invalid multibyte character */ *puc = 0xfffd; return 3; @@ -80,7 +82,6 @@ u8_mbtouc_unsafe_aux (ucs4_t *puc, const uint8_t *s, size_t n) return 2; } /* invalid multibyte character */ -#endif } else { @@ -96,7 +97,6 @@ u8_mbtouc_unsafe_aux (ucs4_t *puc, const uint8_t *s, size_t n) { if (n >= 4) { -#if CONFIG_UNICODE_SAFETY if ((s[1] ^ 0x80) < 0x40) { if ((s[2] ^ 0x80) < 0x40) @@ -104,11 +104,8 @@ u8_mbtouc_unsafe_aux (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 ) -#endif { *puc = ((unsigned int) (c & 0x07) << 18) | ((unsigned int) (s[1] ^ 0x80) << 12) @@ -116,7 +113,6 @@ u8_mbtouc_unsafe_aux (ucs4_t *puc, const uint8_t *s, size_t n) | (unsigned int) (s[3] ^ 0x80); return 4; } -#if CONFIG_UNICODE_SAFETY /* invalid multibyte character */ *puc = 0xfffd; return 4; @@ -130,7 +126,6 @@ u8_mbtouc_unsafe_aux (ucs4_t *puc, const uint8_t *s, size_t n) return 2; } /* invalid multibyte character */ -#endif } else { @@ -144,113 +139,6 @@ u8_mbtouc_unsafe_aux (ucs4_t *puc, const uint8_t *s, size_t n) return 3; } } -#if 0 - else if (c < 0xfc) - { - if (n >= 5) - { -#if CONFIG_UNICODE_SAFETY - 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) -#endif - { - *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; - } -#if CONFIG_UNICODE_SAFETY - /* 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 */ -#endif - } - else - { - /* incomplete multibyte character */ - *puc = 0xfffd; - return n; - } - } - else if (c < 0xfe) - { - if (n >= 6) - { -#if CONFIG_UNICODE_SAFETY - 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) -#endif - { - *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; - } -#if CONFIG_UNICODE_SAFETY - /* 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 */ -#endif - } - else - { - /* incomplete multibyte character */ - *puc = 0xfffd; - return n; - } - } -#endif } /* invalid multibyte character */ *puc = 0xfffd; |