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Diffstat (limited to 'lib/unistr/u8-mbtoucr.c')
-rw-r--r--lib/unistr/u8-mbtoucr.c476
1 files changed, 238 insertions, 238 deletions
diff --git a/lib/unistr/u8-mbtoucr.c b/lib/unistr/u8-mbtoucr.c
index dd83352..a749c48 100644
--- a/lib/unistr/u8-mbtoucr.c
+++ b/lib/unistr/u8-mbtoucr.c
@@ -1,5 +1,5 @@
/* Look at first character in UTF-8 string, returning an error code.
- Copyright (C) 1999-2002, 2006-2007 Free Software Foundation, Inc.
+ Copyright (C) 1999-2002, 2006-2007, 2009-2010 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
@@ -33,250 +33,250 @@ u8_mbtoucr (ucs4_t *puc, const uint8_t *s, size_t n)
else if (c >= 0xc2)
{
if (c < 0xe0)
- {
- if (n >= 2)
- {
- if ((s[1] ^ 0x80) < 0x40)
- {
- *puc = ((unsigned int) (c & 0x1f) << 6)
- | (unsigned int) (s[1] ^ 0x80);
- return 2;
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
+ {
+ if (n >= 2)
+ {
+ if ((s[1] ^ 0x80) < 0x40)
+ {
+ *puc = ((unsigned int) (c & 0x1f) << 6)
+ | (unsigned int) (s[1] ^ 0x80);
+ return 2;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
else if (c < 0xf0)
- {
- if (n >= 2)
- {
- if ((s[1] ^ 0x80) < 0x40
- && (c >= 0xe1 || s[1] >= 0xa0)
- && (c != 0xed || s[1] < 0xa0))
- {
- if (n >= 3)
- {
- if ((s[2] ^ 0x80) < 0x40)
- {
- *puc = ((unsigned int) (c & 0x0f) << 12)
- | ((unsigned int) (s[1] ^ 0x80) << 6)
- | (unsigned int) (s[2] ^ 0x80);
- return 3;
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
+ {
+ if (n >= 2)
+ {
+ if ((s[1] ^ 0x80) < 0x40
+ && (c >= 0xe1 || s[1] >= 0xa0)
+ && (c != 0xed || s[1] < 0xa0))
+ {
+ if (n >= 3)
+ {
+ if ((s[2] ^ 0x80) < 0x40)
+ {
+ *puc = ((unsigned int) (c & 0x0f) << 12)
+ | ((unsigned int) (s[1] ^ 0x80) << 6)
+ | (unsigned int) (s[2] ^ 0x80);
+ return 3;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
else if (c < 0xf8)
- {
- if (n >= 2)
- {
- if ((s[1] ^ 0x80) < 0x40
- && (c >= 0xf1 || s[1] >= 0x90)
+ {
+ if (n >= 2)
+ {
+ if ((s[1] ^ 0x80) < 0x40
+ && (c >= 0xf1 || s[1] >= 0x90)
#if 1
- && (c < 0xf4 || (c == 0xf4 && s[1] < 0x90))
+ && (c < 0xf4 || (c == 0xf4 && s[1] < 0x90))
#endif
- )
- {
- if (n >= 3)
- {
- if ((s[2] ^ 0x80) < 0x40)
- {
- if (n >= 4)
- {
- if ((s[3] ^ 0x80) < 0x40)
- {
- *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;
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
+ )
+ {
+ if (n >= 3)
+ {
+ if ((s[2] ^ 0x80) < 0x40)
+ {
+ if (n >= 4)
+ {
+ if ((s[3] ^ 0x80) < 0x40)
+ {
+ *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;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
#if 0
else if (c < 0xfc)
- {
- if (n >= 2)
- {
- if ((s[1] ^ 0x80) < 0x40
- && (c >= 0xf9 || s[1] >= 0x88))
- {
- if (n >= 3)
- {
- if ((s[2] ^ 0x80) < 0x40)
- {
- if (n >= 4)
- {
- if ((s[3] ^ 0x80) < 0x40)
- {
- if (n >= 5)
- {
- if ((s[4] ^ 0x80) < 0x40)
- {
- *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 */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
+ {
+ if (n >= 2)
+ {
+ if ((s[1] ^ 0x80) < 0x40
+ && (c >= 0xf9 || s[1] >= 0x88))
+ {
+ if (n >= 3)
+ {
+ if ((s[2] ^ 0x80) < 0x40)
+ {
+ if (n >= 4)
+ {
+ if ((s[3] ^ 0x80) < 0x40)
+ {
+ if (n >= 5)
+ {
+ if ((s[4] ^ 0x80) < 0x40)
+ {
+ *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 */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
else if (c < 0xfe)
- {
- if (n >= 2)
- {
- if ((s[1] ^ 0x80) < 0x40
- && (c >= 0xfd || s[1] >= 0x84))
- {
- if (n >= 3)
- {
- if ((s[2] ^ 0x80) < 0x40)
- {
- if (n >= 4)
- {
- if ((s[3] ^ 0x80) < 0x40)
- {
- if (n >= 5)
- {
- if ((s[4] ^ 0x80) < 0x40)
- {
- if (n >= 6)
- {
- if ((s[5] ^ 0x80) < 0x40)
- {
- *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 */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
- /* invalid multibyte character */
- }
- else
- {
- /* incomplete multibyte character */
- *puc = 0xfffd;
- return -2;
- }
- }
+ {
+ if (n >= 2)
+ {
+ if ((s[1] ^ 0x80) < 0x40
+ && (c >= 0xfd || s[1] >= 0x84))
+ {
+ if (n >= 3)
+ {
+ if ((s[2] ^ 0x80) < 0x40)
+ {
+ if (n >= 4)
+ {
+ if ((s[3] ^ 0x80) < 0x40)
+ {
+ if (n >= 5)
+ {
+ if ((s[4] ^ 0x80) < 0x40)
+ {
+ if (n >= 6)
+ {
+ if ((s[5] ^ 0x80) < 0x40)
+ {
+ *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 */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return -2;
+ }
+ }
#endif
}
/* invalid multibyte character */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 18:34:41 +0000