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| author | Denys Vlasenko | 2010-01-29 09:11:47 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2010-01-29 09:11:47 +0100 |
| commit | 2edba21f4c59d071f2241c2f47021c7034ec7cb8 (patch) | |
| tree | 6cf3de29bfbdafa26fddbc1cd3dc467a2d8263f6 /Config.in | |
| parent | 083e172641b64c564b7ec5478197dccbde43b421 (diff) | |
| download | busybox-2edba21f4c59d071f2241c2f47021c7034ec7cb8.zip busybox-2edba21f4c59d071f2241c2f47021c7034ec7cb8.tar.gz | |
more fine-grained Unicode support
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'Config.in')
| -rw-r--r-- | Config.in | 51 |
1 files changed, 51 insertions, 0 deletions
@@ -141,6 +141,57 @@ config FEATURE_CHECK_UNICODE_IN_ENV Otherwise, Unicode support will be always enabled and active. +config SUBST_WCHAR + int "Character code to substitute unprintable characters with" + range 1 4294967295 + depends on FEATURE_ASSUME_UNICODE + default 63 + help + Typical values are 63 for '?' (works with any output device), + 30 for ASCII substitute control code, + 65533 (0xfffd) for Unicode replacement character. + +config LAST_SUPPORTED_WCHAR + int "Range of supported Unicode characters" + range 0 4294967295 + depends on FEATURE_ASSUME_UNICODE + default 767 + help + Any character with Unicode value bigger than this is assumed + to be non-printable on output device. Many applets replace + such chars with substitution character. + + 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. + + Typical values are: + 126 - ASCII only + 767 (0x2ff) - there are no combining chars in [0..767] range + (the range includes Latin 1, Latin Ext. A and B), + 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. + 0 - off, any valid printable Unicode character will be printed. + +config UNICODE_COMBINING_WCHARS + bool "Allow zero-width Unicode characters on output" + default n + depends on FEATURE_ASSUME_UNICODE + help + With this option off, any Unicode char with width of 0 + is substituted on output. + +config UNICODE_WIDE_WCHARS + bool "Allow wide Unicode characters on output" + default n + depends on FEATURE_ASSUME_UNICODE + help + With this option off, any Unicode char with width > 1 + is substituted on output. + config LONG_OPTS bool "Support for --long-options" default y |