summaryrefslogtreecommitdiff
path: root/lib/unistr/u8-mbtouc-unsafe-aux.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/unistr/u8-mbtouc-unsafe-aux.c')
-rw-r--r--lib/unistr/u8-mbtouc-unsafe-aux.c140
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-03 23:55:29 +0000