/* Iterate over previous character in UTF-16 string.
- Copyright (C) 2002, 2006-2007 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2006-2007, 2009-2011 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
uint16_t c_1 = s[-1];
if (c_1 < 0xd800 || c_1 >= 0xe000)
- {
- *puc = c_1;
- return s - 1;
- }
+ {
+ *puc = c_1;
+ return s - 1;
+ }
#if CONFIG_UNICODE_SAFETY
if (c_1 >= 0xdc00)
#endif
- if (s - 1 != start)
- {
- uint16_t c_2 = s[-2];
+ if (s - 1 != start)
+ {
+ uint16_t c_2 = s[-2];
#if CONFIG_UNICODE_SAFETY
- if (c_2 >= 0xd800 && c_2 < 0xdc00)
+ if (c_2 >= 0xd800 && c_2 < 0xdc00)
#endif
- {
- *puc = 0x10000 + ((c_2 - 0xd800) << 10) + (c_1 - 0xdc00);
- return s - 2;
- }
- }
+ {
+ *puc = 0x10000 + ((c_2 - 0xd800) << 10) + (c_1 - 0xdc00);
+ return s - 2;
+ }
+ }
}
return NULL;
}