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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2010-01-31 18:12:57 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-01-31 18:12:57 +0100 |
| commit | 460f8276449f0933f242c9295b241ec213bcef82 (patch) | |
| tree | 1ab106c367abef17504d1e30aac7408745144043 | |
| parent | b1edf20f1848cd741e8a8395afb4a4655a210906 (diff) | |
| download | busybox-460f8276449f0933f242c9295b241ec213bcef82.tar.gz | |
better wording in Config
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | Config.in | 12 | ||||
| -rw-r--r-- | libbb/unicode_wcwidth.c | 2 |
2 files changed, 11 insertions, 3 deletions
@@ -161,9 +161,11 @@ config LAST_SUPPORTED_WCHAR The idea is that many valid printable Unicode chars are nevertheless are not displayed correctly. Think about - combining charachers, double-wide hieroglyphs and such. - Many terminals, xterms and such will fail to handle them - correctly. + combining charachers, double-wide hieroglyphs, obscure + characters in dozens of ancient scripts... + Many terminals, terminal emulators, xterms etc will fail + to handle them correctly. Choose the smallest value + which suits your needs. Typical values are: 126 - ASCII only @@ -172,6 +174,10 @@ config LAST_SUPPORTED_WCHAR code is ~700 bytes smaller for this case. 4351 (0x10ff) - there are no double-wide chars in [0..4351] range, code is ~300 bytes smaller for this case. + 12799 (0x31ff) - nearly all non-ideographic characters are + available in [0..12799] range, including + East Asian scripts like katakana, hiragana, hangul, + bopomofo... 0 - off, any valid printable Unicode character will be printed. config UNICODE_COMBINING_WCHARS diff --git a/libbb/unicode_wcwidth.c b/libbb/unicode_wcwidth.c index c7cc524a6..a81a98038 100644 --- a/libbb/unicode_wcwidth.c +++ b/libbb/unicode_wcwidth.c @@ -534,6 +534,7 @@ static int wcwidth(unsigned ucs) || ucs == 0x2329 /* left-pointing angle bracket; also CJK punct. char */ || ucs == 0x232a /* right-pointing angle bracket; also CJK punct. char */ || (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) /* CJK ... Yi */ +# if LAST_SUPPORTED_WCHAR >= 0xac00 || (ucs >= 0xac00 && ucs <= 0xd7a3) /* Hangul Syllables */ || (ucs >= 0xf900 && ucs <= 0xfaff) /* CJK Compatibility Ideographs */ || (ucs >= 0xfe10 && ucs <= 0xfe19) /* Vertical forms */ @@ -541,6 +542,7 @@ static int wcwidth(unsigned ucs) || (ucs >= 0xff00 && ucs <= 0xff60) /* Fullwidth Forms */ || (ucs >= 0xffe0 && ucs <= 0xffe6) || ((ucs >> 17) == (2 >> 1)) /* 20000..3ffff: Supplementary and Tertiary Ideographic Planes */ +# endif ); # endif #endif |