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authorDenys Vlasenko <vda.linux@googlemail.com>2016-11-24 22:18:55 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2016-11-24 22:18:55 +0100
commit1255925a6121cc5f2f09fbe40f2434ab11cc84f7 (patch)
treeee08a08c9236fa998d02a45221a3e44641778fdd
parent336022663a5a38d1dfed6e1dc68d776d1e7e67fe (diff)
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Move locale, unicode, and "use sendfile?" options to library tuning
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--Config.in138
-rw-r--r--libbb/Config.src138
2 files changed, 138 insertions, 138 deletions
diff --git a/Config.in b/Config.in
index 089879914..3d1759e21 100644
--- a/Config.in
+++ b/Config.in
@@ -147,131 +147,6 @@ config INSTALL_NO_USR
147 will install applets only to /bin and /sbin, 147 will install applets only to /bin and /sbin,
148 never to /usr/bin or /usr/sbin. 148 never to /usr/bin or /usr/sbin.
149 149
150config LOCALE_SUPPORT
151 bool "Enable locale support (system needs locale for this to work)"
152 default n
153 help
154 Enable this if your system has locale support and you would like
155 busybox to support locale settings.
156
157config UNICODE_SUPPORT
158 bool "Support Unicode"
159 default y
160 help
161 This makes various applets aware that one byte is not
162 one character on screen.
163
164 Busybox aims to eventually work correctly with Unicode displays.
165 Any older encodings are not guaranteed to work.
166 Probably by the time when busybox will be fully Unicode-clean,
167 other encodings will be mainly of historic interest.
168
169config UNICODE_USING_LOCALE
170 bool "Use libc routines for Unicode (else uses internal ones)"
171 default n
172 depends on UNICODE_SUPPORT && LOCALE_SUPPORT
173 help
174 With this option on, Unicode support is implemented using libc
175 routines. Otherwise, internal implementation is used.
176 Internal implementation is smaller.
177
178config FEATURE_CHECK_UNICODE_IN_ENV
179 bool "Check $LC_ALL, $LC_CTYPE and $LANG environment variables"
180 default n
181 depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
182 help
183 With this option on, Unicode support is activated
184 only if locale-related variables have the value of the form
185 "xxxx.utf8"
186
187 Otherwise, Unicode support will be always enabled and active.
188
189config SUBST_WCHAR
190 int "Character code to substitute unprintable characters with"
191 depends on UNICODE_SUPPORT
192 default 63
193 help
194 Typical values are 63 for '?' (works with any output device),
195 30 for ASCII substitute control code,
196 65533 (0xfffd) for Unicode replacement character.
197
198config LAST_SUPPORTED_WCHAR
199 int "Range of supported Unicode characters"
200 depends on UNICODE_SUPPORT
201 default 767
202 help
203 Any character with Unicode value bigger than this is assumed
204 to be non-printable on output device. Many applets replace
205 such characters with substitution character.
206
207 The idea is that many valid printable Unicode chars
208 nevertheless are not displayed correctly. Think about
209 combining charachers, double-wide hieroglyphs, obscure
210 characters in dozens of ancient scripts...
211 Many terminals, terminal emulators, xterms etc will fail
212 to handle them correctly. Choose the smallest value
213 which suits your needs.
214
215 Typical values are:
216 126 - ASCII only
217 767 (0x2ff) - there are no combining chars in [0..767] range
218 (the range includes Latin 1, Latin Ext. A and B),
219 code is ~700 bytes smaller for this case.
220 4351 (0x10ff) - there are no double-wide chars in [0..4351] range,
221 code is ~300 bytes smaller for this case.
222 12799 (0x31ff) - nearly all non-ideographic characters are
223 available in [0..12799] range, including
224 East Asian scripts like katakana, hiragana, hangul,
225 bopomofo...
226 0 - off, any valid printable Unicode character will be printed.
227
228config UNICODE_COMBINING_WCHARS
229 bool "Allow zero-width Unicode characters on output"
230 default n
231 depends on UNICODE_SUPPORT
232 help
233 With this option off, any Unicode char with width of 0
234 is substituted on output.
235
236config UNICODE_WIDE_WCHARS
237 bool "Allow wide Unicode characters on output"
238 default n
239 depends on UNICODE_SUPPORT
240 help
241 With this option off, any Unicode char with width > 1
242 is substituted on output.
243
244config UNICODE_BIDI_SUPPORT
245 bool "Bidirectional character-aware line input"
246 default n
247 depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
248 help
249 With this option on, right-to-left Unicode characters
250 are treated differently on input (e.g. cursor movement).
251
252config UNICODE_NEUTRAL_TABLE
253 bool "In bidi input, support non-ASCII neutral chars too"
254 default n
255 depends on UNICODE_BIDI_SUPPORT
256 help
257 In most cases it's enough to treat only ASCII non-letters
258 (i.e. punctuation, numbers and space) as characters
259 with neutral directionality.
260 With this option on, more extensive (and bigger) table
261 of neutral chars will be used.
262
263config UNICODE_PRESERVE_BROKEN
264 bool "Make it possible to enter sequences of chars which are not Unicode"
265 default n
266 depends on UNICODE_SUPPORT
267 help
268 With this option on, on line-editing input (such as used by shells)
269 invalid UTF-8 bytes are not substituted with the selected
270 substitution character.
271 For example, this means that entering 'l', 's', ' ', 0xff, [Enter]
272 at shell prompt will list file named 0xff (single char name
273 with char value 255), not file named '?'.
274
275config PAM 150config PAM
276 bool "Support for PAM (Pluggable Authentication Modules)" 151 bool "Support for PAM (Pluggable Authentication Modules)"
277 default n 152 default n
@@ -279,19 +154,6 @@ config PAM
279 Use PAM in some busybox applets (currently login and httpd) instead 154 Use PAM in some busybox applets (currently login and httpd) instead
280 of direct access to password database. 155 of direct access to password database.
281 156
282config FEATURE_USE_SENDFILE
283 bool "Use sendfile system call"
284 default y
285 select PLATFORM_LINUX
286 help
287 When enabled, busybox will use the kernel sendfile() function
288 instead of read/write loops to copy data between file descriptors
289 (for example, cp command does this a lot).
290 If sendfile() doesn't work, copying code falls back to read/write
291 loop. sendfile() was originally implemented for faster I/O
292 from files to sockets, but since Linux 2.6.33 it was extended
293 to work for many more file types.
294
295config LONG_OPTS 157config LONG_OPTS
296 bool "Support for --long-options" 158 bool "Support for --long-options"
297 default y 159 default y
diff --git a/libbb/Config.src b/libbb/Config.src
index 6ba256290..18a40f2ac 100644
--- a/libbb/Config.src
+++ b/libbb/Config.src
@@ -153,6 +153,131 @@ config FEATURE_EDITING_ASK_TERMINAL
153 correctly, or want to save on code size (about 400 bytes), 153 correctly, or want to save on code size (about 400 bytes),
154 then do not turn this option on. 154 then do not turn this option on.
155 155
156config LOCALE_SUPPORT
157 bool "Enable locale support (system needs locale for this to work)"
158 default n
159 help
160 Enable this if your system has locale support and you would like
161 busybox to support locale settings.
162
163config UNICODE_SUPPORT
164 bool "Support Unicode"
165 default y
166 help
167 This makes various applets aware that one byte is not
168 one character on screen.
169
170 Busybox aims to eventually work correctly with Unicode displays.
171 Any older encodings are not guaranteed to work.
172 Probably by the time when busybox will be fully Unicode-clean,
173 other encodings will be mainly of historic interest.
174
175config UNICODE_USING_LOCALE
176 bool "Use libc routines for Unicode (else uses internal ones)"
177 default n
178 depends on UNICODE_SUPPORT && LOCALE_SUPPORT
179 help
180 With this option on, Unicode support is implemented using libc
181 routines. Otherwise, internal implementation is used.
182 Internal implementation is smaller.
183
184config FEATURE_CHECK_UNICODE_IN_ENV
185 bool "Check $LC_ALL, $LC_CTYPE and $LANG environment variables"
186 default n
187 depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
188 help
189 With this option on, Unicode support is activated
190 only if locale-related variables have the value of the form
191 "xxxx.utf8"
192
193 Otherwise, Unicode support will be always enabled and active.
194
195config SUBST_WCHAR
196 int "Character code to substitute unprintable characters with"
197 depends on UNICODE_SUPPORT
198 default 63
199 help
200 Typical values are 63 for '?' (works with any output device),
201 30 for ASCII substitute control code,
202 65533 (0xfffd) for Unicode replacement character.
203
204config LAST_SUPPORTED_WCHAR
205 int "Range of supported Unicode characters"
206 depends on UNICODE_SUPPORT
207 default 767
208 help
209 Any character with Unicode value bigger than this is assumed
210 to be non-printable on output device. Many applets replace
211 such characters with substitution character.
212
213 The idea is that many valid printable Unicode chars
214 nevertheless are not displayed correctly. Think about
215 combining charachers, double-wide hieroglyphs, obscure
216 characters in dozens of ancient scripts...
217 Many terminals, terminal emulators, xterms etc will fail
218 to handle them correctly. Choose the smallest value
219 which suits your needs.
220
221 Typical values are:
222 126 - ASCII only
223 767 (0x2ff) - there are no combining chars in [0..767] range
224 (the range includes Latin 1, Latin Ext. A and B),
225 code is ~700 bytes smaller for this case.
226 4351 (0x10ff) - there are no double-wide chars in [0..4351] range,
227 code is ~300 bytes smaller for this case.
228 12799 (0x31ff) - nearly all non-ideographic characters are
229 available in [0..12799] range, including
230 East Asian scripts like katakana, hiragana, hangul,
231 bopomofo...
232 0 - off, any valid printable Unicode character will be printed.
233
234config UNICODE_COMBINING_WCHARS
235 bool "Allow zero-width Unicode characters on output"
236 default n
237 depends on UNICODE_SUPPORT
238 help
239 With this option off, any Unicode char with width of 0
240 is substituted on output.
241
242config UNICODE_WIDE_WCHARS
243 bool "Allow wide Unicode characters on output"
244 default n
245 depends on UNICODE_SUPPORT
246 help
247 With this option off, any Unicode char with width > 1
248 is substituted on output.
249
250config UNICODE_BIDI_SUPPORT
251 bool "Bidirectional character-aware line input"
252 default n
253 depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE
254 help
255 With this option on, right-to-left Unicode characters
256 are treated differently on input (e.g. cursor movement).
257
258config UNICODE_NEUTRAL_TABLE
259 bool "In bidi input, support non-ASCII neutral chars too"
260 default n
261 depends on UNICODE_BIDI_SUPPORT
262 help
263 In most cases it's enough to treat only ASCII non-letters
264 (i.e. punctuation, numbers and space) as characters
265 with neutral directionality.
266 With this option on, more extensive (and bigger) table
267 of neutral chars will be used.
268
269config UNICODE_PRESERVE_BROKEN
270 bool "Make it possible to enter sequences of chars which are not Unicode"
271 default n
272 depends on UNICODE_SUPPORT
273 help
274 With this option on, on line-editing input (such as used by shells)
275 invalid UTF-8 bytes are not substituted with the selected
276 substitution character.
277 For example, this means that entering 'l', 's', ' ', 0xff, [Enter]
278 at shell prompt will list file named 0xff (single char name
279 with char value 255), not file named '?'.
280
156config FEATURE_NON_POSIX_CP 281config FEATURE_NON_POSIX_CP
157 bool "Non-POSIX, but safer, copying to special nodes" 282 bool "Non-POSIX, but safer, copying to special nodes"
158 default y 283 default y
@@ -177,6 +302,19 @@ config FEATURE_VERBOSE_CP_MESSAGE
177 cp: cannot stat '/vmlinuz/file': Not a directory 302 cp: cannot stat '/vmlinuz/file': Not a directory
178 This will cost you ~60 bytes. 303 This will cost you ~60 bytes.
179 304
305config FEATURE_USE_SENDFILE
306 bool "Use sendfile system call"
307 default y
308 select PLATFORM_LINUX
309 help
310 When enabled, busybox will use the kernel sendfile() function
311 instead of read/write loops to copy data between file descriptors
312 (for example, cp command does this a lot).
313 If sendfile() doesn't work, copying code falls back to read/write
314 loop. sendfile() was originally implemented for faster I/O
315 from files to sockets, but since Linux 2.6.33 it was extended
316 to work for many more file types.
317
180config FEATURE_COPYBUF_KB 318config FEATURE_COPYBUF_KB
181 int "Copy buffer size, in kilobytes" 319 int "Copy buffer size, in kilobytes"
182 range 1 1024 320 range 1 1024