make is_valid_unicode() catch more invalid Unicode

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3003 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
master
David Lawrence Ramsey 2005-08-28 03:07:13 +00:00
parent 738893f9c7
commit 79d9795c80
2 changed files with 8 additions and 8 deletions

View File

@ -134,10 +134,10 @@ CVS code -
get_key_buffer(), check_statusblank(), nanogetstr(),
titlebar(), statusbar(), bottombars(), edit_refresh(),
do_yesno(), and do_help(). (DLR)
- Treat the Unicode characters D800-DFFF and FFFE-FFFF as
invalid, since the C library's multibyte functions don't seem
to. New function is_valid_unicode(); changes to mbrep() and
make_mbchar(). (DLR)
- Treat the Unicode characters D800-DFFF, FDD0-FDEF, and
xxFFFE-xxFFFF, as invalid, since the C library's multibyte
functions don't seem to. New function is_valid_unicode();
changes to mbrep() and make_mbchar(). (DLR)
- Store Unicode values in longs instead of ints, and cover the
entire range of Unicode. Changes to make_mbchar(),
is_valid_unicode(), parse_kbinput(), get_unicode_kbinput(),

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@ -884,12 +884,12 @@ bool has_blank_mbchars(const char *s)
#endif /* !DISABLE_JUSTIFY */
#ifdef ENABLE_UTF8
/* Return TRUE if wc is valid Unicode (i.e, it's not negative or in the
* ranges D800-DFFF or FFFE-FFFF), and FALSE otherwise. */
/* Return TRUE if wc is valid Unicode, and FALSE otherwise. */
bool is_valid_unicode(wchar_t wc)
{
return (0 <= wc && (wc <= 0xD7FF || 0xE000 <= wc) && (wc <=
0xFFFD || 0x10000 <= wc));
return ((0 <= wc && wc <= 0x10FFFF) && (wc <= 0xD7FF || 0xE000 <=
wc) && (wc <= 0xFDCF || 0xFDF0 <= wc) && ((wc & 0xFFFF) <=
0xFFFD));
}
#endif