summaryrefslogtreecommitdiff
path: root/lib/unistr/u8-mbtouc-unsafe.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/unistr/u8-mbtouc-unsafe.c')
-rw-r--r--lib/unistr/u8-mbtouc-unsafe.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/lib/unistr/u8-mbtouc-unsafe.c b/lib/unistr/u8-mbtouc-unsafe.c
deleted file mode 100644
index b73e99a1b..000000000
--- a/lib/unistr/u8-mbtouc-unsafe.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/* Look at first character in UTF-8 string.
- 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 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 <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#if defined IN_LIBUNISTRING
-/* Tell unistr.h to declare u8_mbtouc_unsafe as 'extern', not
- 'static inline'. */
-# include "unistring-notinline.h"
-#endif
-
-/* Specification. */
-#include "unistr.h"
-
-#if !HAVE_INLINE
-
-int
-u8_mbtouc_unsafe (ucs4_t *puc, const uint8_t *s, size_t n)
-{
- uint8_t c = *s;
-
- if (c < 0x80)
- {
- *puc = c;
- return 1;
- }
- else if (c >= 0xc2)
- {
- if (c < 0xe0)
- {
- 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
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return 1;
- }
- }
- else if (c < 0xf0)
- {
- 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;
- }
- /* invalid multibyte character */
- *puc = 0xfffd;
- return 2;
- }
- /* invalid multibyte character */
-#endif
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- if (n == 1 || (s[1] ^ 0x80) >= 0x40)
- return 1;
- else
- return 2;
- }
- }
- else if (c < 0xf8)
- {
- if (n >= 4)
- {
-#if CONFIG_UNICODE_SAFETY
- if ((s[1] ^ 0x80) < 0x40)
- {
- if ((s[2] ^ 0x80) < 0x40)
- {
- 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)
- | ((unsigned int) (s[2] ^ 0x80) << 6)
- | (unsigned int) (s[3] ^ 0x80);
- return 4;
- }
-#if CONFIG_UNICODE_SAFETY
- /* invalid multibyte character */
- *puc = 0xfffd;
- return 4;
- }
- /* invalid multibyte character */
- *puc = 0xfffd;
- return 3;
- }
- /* invalid multibyte character */
- *puc = 0xfffd;
- return 2;
- }
- /* invalid multibyte character */
-#endif
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- if (n == 1 || (s[1] ^ 0x80) >= 0x40)
- return 1;
- else if (n == 2 || (s[2] ^ 0x80) >= 0x40)
- return 2;
- else
- 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;
- return 1;
-}
-
-#endif
View Lorry Controller Status