diff options
Diffstat (limited to 'lib/unistr/u8-strmblen.c')
| -rw-r--r-- | lib/unistr/u8-strmblen.c | 75 |
1 files changed, 38 insertions, 37 deletions
diff --git a/lib/unistr/u8-strmblen.c b/lib/unistr/u8-strmblen.c index 52db99d..52242c5 100644 --- a/lib/unistr/u8-strmblen.c +++ b/lib/unistr/u8-strmblen.c @@ -1,5 +1,6 @@ /* Look at first character in UTF-8 string. - Copyright (C) 1999-2000, 2002, 2006-2007 Free Software Foundation, Inc. + Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2010 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 @@ -31,64 +32,64 @@ u8_strmblen (const uint8_t *s) if (c >= 0xc2) { if (c < 0xe0) - { + { #if CONFIG_UNICODE_SAFETY - if ((s[1] ^ 0x80) < 0x40) + if ((s[1] ^ 0x80) < 0x40) #else - if (s[1] != 0) + if (s[1] != 0) #endif - return 2; - } + return 2; + } else if (c < 0xf0) - { + { #if CONFIG_UNICODE_SAFETY - if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 - && (c >= 0xe1 || s[1] >= 0xa0) - && (c != 0xed || s[1] < 0xa0)) + if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 + && (c >= 0xe1 || s[1] >= 0xa0) + && (c != 0xed || s[1] < 0xa0)) #else - if (s[1] != 0 && s[2] != 0) + if (s[1] != 0 && s[2] != 0) #endif - return 3; - } + return 3; + } else if (c < 0xf8) - { + { #if CONFIG_UNICODE_SAFETY - if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 - && (s[3] ^ 0x80) < 0x40 - && (c >= 0xf1 || s[1] >= 0x90) + if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 + && (s[3] ^ 0x80) < 0x40 + && (c >= 0xf1 || s[1] >= 0x90) #if 1 - && (c < 0xf4 || (c == 0xf4 && s[1] < 0x90)) + && (c < 0xf4 || (c == 0xf4 && s[1] < 0x90)) #endif - ) + ) #else - if (s[1] != 0 && s[2] != 0 && s[3] != 0) + if (s[1] != 0 && s[2] != 0 && s[3] != 0) #endif - return 4; - } + return 4; + } #if 0 else if (c < 0xfc) - { + { #if CONFIG_UNICODE_SAFETY - if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 - && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40 - && (c >= 0xf9 || s[1] >= 0x88)) + if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 + && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40 + && (c >= 0xf9 || s[1] >= 0x88)) #else - if (s[1] != 0 && s[2] != 0 && s[3] != 0 && s[4] != 0) + if (s[1] != 0 && s[2] != 0 && s[3] != 0 && s[4] != 0) #endif - return 5; - } + return 5; + } else if (c < 0xfe) - { + { #if CONFIG_UNICODE_SAFETY - if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 - && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40 - && (s[5] ^ 0x80) < 0x40 - && (c >= 0xfd || s[1] >= 0x84)) + if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40 + && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40 + && (s[5] ^ 0x80) < 0x40 + && (c >= 0xfd || s[1] >= 0x84)) #else - if (s[1] != 0 && s[2] != 0 && s[3] != 0 && s[4] != 0 && s[5] != 0) + if (s[1] != 0 && s[2] != 0 && s[3] != 0 && s[4] != 0 && s[5] != 0) #endif - return 6; - } + return 6; + } #endif } /* invalid or incomplete multibyte character */ |