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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-07-21 09:50:55 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-07-21 09:50:55 +0200 |
| commit | 72089cf6b4a77214ec4fd21d5ee5bf56958781cb (patch) | |
| tree | a5cd9d8f47e909834d3dbc44f895556e68bcf18f /libbb/Config.src | |
| parent | 75d151e31d135ebab083307ded4e9b98970baa75 (diff) | |
| download | busybox-w32-72089cf6b4a77214ec4fd21d5ee5bf56958781cb.tar.gz busybox-w32-72089cf6b4a77214ec4fd21d5ee5bf56958781cb.tar.bz2 busybox-w32-72089cf6b4a77214ec4fd21d5ee5bf56958781cb.zip | |
config: deindent all help texts
Those two spaces after tab have no effect, and always a nuisance when editing.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/Config.src')
| -rw-r--r-- | libbb/Config.src | 286 |
1 files changed, 143 insertions, 143 deletions
diff --git a/libbb/Config.src b/libbb/Config.src index 16c79dbf0..9da8b65ee 100644 --- a/libbb/Config.src +++ b/libbb/Config.src | |||
| @@ -11,14 +11,14 @@ choice | |||
| 11 | prompt "Buffer allocation policy" | 11 | prompt "Buffer allocation policy" |
| 12 | default FEATURE_BUFFERS_USE_MALLOC | 12 | default FEATURE_BUFFERS_USE_MALLOC |
| 13 | help | 13 | help |
| 14 | There are 3 ways BusyBox can handle buffer allocations: | 14 | There are 3 ways BusyBox can handle buffer allocations: |
| 15 | - Use malloc. This costs code size for the call to xmalloc. | 15 | - Use malloc. This costs code size for the call to xmalloc. |
| 16 | - Put them on stack. For some very small machines with limited stack | 16 | - Put them on stack. For some very small machines with limited stack |
| 17 | space, this can be deadly. For most folks, this works just fine. | 17 | space, this can be deadly. For most folks, this works just fine. |
| 18 | - Put them in BSS. This works beautifully for computers with a real | 18 | - Put them in BSS. This works beautifully for computers with a real |
| 19 | MMU (and OS support), but wastes runtime RAM for uCLinux. This | 19 | MMU (and OS support), but wastes runtime RAM for uCLinux. This |
| 20 | behavior was the only one available for BusyBox versions 0.48 and | 20 | behavior was the only one available for BusyBox versions 0.48 and |
| 21 | earlier. | 21 | earlier. |
| 22 | 22 | ||
| 23 | config FEATURE_BUFFERS_USE_MALLOC | 23 | config FEATURE_BUFFERS_USE_MALLOC |
| 24 | bool "Allocate with Malloc" | 24 | bool "Allocate with Malloc" |
| @@ -36,52 +36,52 @@ config PASSWORD_MINLEN | |||
| 36 | default 6 | 36 | default 6 |
| 37 | range 5 32 | 37 | range 5 32 |
| 38 | help | 38 | help |
| 39 | Minimum allowable password length. | 39 | Minimum allowable password length. |
| 40 | 40 | ||
| 41 | config MD5_SMALL | 41 | config MD5_SMALL |
| 42 | int "MD5: Trade bytes for speed (0:fast, 3:slow)" | 42 | int "MD5: Trade bytes for speed (0:fast, 3:slow)" |
| 43 | default 1 # all "fast or small" options default to small | 43 | default 1 # all "fast or small" options default to small |
| 44 | range 0 3 | 44 | range 0 3 |
| 45 | help | 45 | help |
| 46 | Trade binary size versus speed for the md5sum algorithm. | 46 | Trade binary size versus speed for the md5sum algorithm. |
| 47 | Approximate values running uClibc and hashing | 47 | Approximate values running uClibc and hashing |
| 48 | linux-2.4.4.tar.bz2 were: | 48 | linux-2.4.4.tar.bz2 were: |
| 49 | user times (sec) text size (386) | 49 | value user times (sec) text size (386) |
| 50 | 0 (fastest) 1.1 6144 | 50 | 0 (fastest) 1.1 6144 |
| 51 | 1 1.4 5392 | 51 | 1 1.4 5392 |
| 52 | 2 3.0 5088 | 52 | 2 3.0 5088 |
| 53 | 3 (smallest) 5.1 4912 | 53 | 3 (smallest) 5.1 4912 |
| 54 | 54 | ||
| 55 | config SHA3_SMALL | 55 | config SHA3_SMALL |
| 56 | int "SHA3: Trade bytes for speed (0:fast, 1:slow)" | 56 | int "SHA3: Trade bytes for speed (0:fast, 1:slow)" |
| 57 | default 1 # all "fast or small" options default to small | 57 | default 1 # all "fast or small" options default to small |
| 58 | range 0 1 | 58 | range 0 1 |
| 59 | help | 59 | help |
| 60 | Trade binary size versus speed for the sha3sum algorithm. | 60 | Trade binary size versus speed for the sha3sum algorithm. |
| 61 | SHA3_SMALL=0 compared to SHA3_SMALL=1 (approximate): | 61 | SHA3_SMALL=0 compared to SHA3_SMALL=1 (approximate): |
| 62 | 64-bit x86: +270 bytes of code, 45% faster | 62 | 64-bit x86: +270 bytes of code, 45% faster |
| 63 | 32-bit x86: +450 bytes of code, 75% faster | 63 | 32-bit x86: +450 bytes of code, 75% faster |
| 64 | 64 | ||
| 65 | config FEATURE_FAST_TOP | 65 | config FEATURE_FAST_TOP |
| 66 | bool "Faster /proc scanning code (+100 bytes)" | 66 | bool "Faster /proc scanning code (+100 bytes)" |
| 67 | default n # all "fast or small" options default to small | 67 | default n # all "fast or small" options default to small |
| 68 | help | 68 | help |
| 69 | This option makes top and ps ~20% faster (or 20% less CPU hungry), | 69 | This option makes top and ps ~20% faster (or 20% less CPU hungry), |
| 70 | but code size is slightly bigger. | 70 | but code size is slightly bigger. |
| 71 | 71 | ||
| 72 | config FEATURE_ETC_NETWORKS | 72 | config FEATURE_ETC_NETWORKS |
| 73 | bool "Support /etc/networks" | 73 | bool "Support /etc/networks" |
| 74 | default n | 74 | default n |
| 75 | help | 75 | help |
| 76 | Enable support for network names in /etc/networks. This is | 76 | Enable support for network names in /etc/networks. This is |
| 77 | a rarely used feature which allows you to use names | 77 | a rarely used feature which allows you to use names |
| 78 | instead of IP/mask pairs in route command. | 78 | instead of IP/mask pairs in route command. |
| 79 | 79 | ||
| 80 | config FEATURE_EDITING | 80 | config FEATURE_EDITING |
| 81 | bool "Command line editing" | 81 | bool "Command line editing" |
| 82 | default y | 82 | default y |
| 83 | help | 83 | help |
| 84 | Enable line editing (mainly for shell command line). | 84 | Enable line editing (mainly for shell command line). |
| 85 | 85 | ||
| 86 | config FEATURE_EDITING_MAX_LEN | 86 | config FEATURE_EDITING_MAX_LEN |
| 87 | int "Maximum length of input" | 87 | int "Maximum length of input" |
| @@ -89,17 +89,17 @@ config FEATURE_EDITING_MAX_LEN | |||
| 89 | default 1024 | 89 | default 1024 |
| 90 | depends on FEATURE_EDITING | 90 | depends on FEATURE_EDITING |
| 91 | help | 91 | help |
| 92 | Line editing code uses on-stack buffers for storage. | 92 | Line editing code uses on-stack buffers for storage. |
| 93 | You may want to decrease this parameter if your target machine | 93 | You may want to decrease this parameter if your target machine |
| 94 | benefits from smaller stack usage. | 94 | benefits from smaller stack usage. |
| 95 | 95 | ||
| 96 | config FEATURE_EDITING_VI | 96 | config FEATURE_EDITING_VI |
| 97 | bool "vi-style line editing commands" | 97 | bool "vi-style line editing commands" |
| 98 | default n | 98 | default n |
| 99 | depends on FEATURE_EDITING | 99 | depends on FEATURE_EDITING |
| 100 | help | 100 | help |
| 101 | Enable vi-style line editing. In shells, this mode can be | 101 | Enable vi-style line editing. In shells, this mode can be |
| 102 | turned on and off with "set -o vi" and "set +o vi". | 102 | turned on and off with "set -o vi" and "set +o vi". |
| 103 | 103 | ||
| 104 | config FEATURE_EDITING_HISTORY | 104 | config FEATURE_EDITING_HISTORY |
| 105 | int "History size" | 105 | int "History size" |
| @@ -108,29 +108,29 @@ config FEATURE_EDITING_HISTORY | |||
| 108 | default 255 | 108 | default 255 |
| 109 | depends on FEATURE_EDITING | 109 | depends on FEATURE_EDITING |
| 110 | help | 110 | help |
| 111 | Specify command history size (0 - disable). | 111 | Specify command history size (0 - disable). |
| 112 | 112 | ||
| 113 | config FEATURE_EDITING_SAVEHISTORY | 113 | config FEATURE_EDITING_SAVEHISTORY |
| 114 | bool "History saving" | 114 | bool "History saving" |
| 115 | default y | 115 | default y |
| 116 | depends on FEATURE_EDITING | 116 | depends on FEATURE_EDITING |
| 117 | help | 117 | help |
| 118 | Enable history saving in shells. | 118 | Enable history saving in shells. |
| 119 | 119 | ||
| 120 | config FEATURE_EDITING_SAVE_ON_EXIT | 120 | config FEATURE_EDITING_SAVE_ON_EXIT |
| 121 | bool "Save history on shell exit, not after every command" | 121 | bool "Save history on shell exit, not after every command" |
| 122 | default n | 122 | default n |
| 123 | depends on FEATURE_EDITING_SAVEHISTORY | 123 | depends on FEATURE_EDITING_SAVEHISTORY |
| 124 | help | 124 | help |
| 125 | Save history on shell exit, not after every command. | 125 | Save history on shell exit, not after every command. |
| 126 | 126 | ||
| 127 | config FEATURE_REVERSE_SEARCH | 127 | config FEATURE_REVERSE_SEARCH |
| 128 | bool "Reverse history search" | 128 | bool "Reverse history search" |
| 129 | default y | 129 | default y |
| 130 | depends on FEATURE_EDITING | 130 | depends on FEATURE_EDITING |
| 131 | help | 131 | help |
| 132 | Enable readline-like Ctrl-R combination for reverse history search. | 132 | Enable readline-like Ctrl-R combination for reverse history search. |
| 133 | Increases code by about 0.5k. | 133 | Increases code by about 0.5k. |
| 134 | 134 | ||
| 135 | config FEATURE_TAB_COMPLETION | 135 | config FEATURE_TAB_COMPLETION |
| 136 | bool "Tab completion" | 136 | bool "Tab completion" |
| @@ -147,237 +147,237 @@ config FEATURE_EDITING_FANCY_PROMPT | |||
| 147 | default y | 147 | default y |
| 148 | depends on FEATURE_EDITING | 148 | depends on FEATURE_EDITING |
| 149 | help | 149 | help |
| 150 | Setting this option allows for prompts to use things like \w and | 150 | Setting this option allows for prompts to use things like \w and |
| 151 | \$ and escape codes. | 151 | \$ and escape codes. |
| 152 | 152 | ||
| 153 | config FEATURE_EDITING_ASK_TERMINAL | 153 | config FEATURE_EDITING_ASK_TERMINAL |
| 154 | bool "Query cursor position from terminal" | 154 | bool "Query cursor position from terminal" |
| 155 | default n | 155 | default n |
| 156 | depends on FEATURE_EDITING | 156 | depends on FEATURE_EDITING |
| 157 | help | 157 | help |
| 158 | Allow usage of "ESC [ 6 n" sequence. Terminal answers back with | 158 | Allow usage of "ESC [ 6 n" sequence. Terminal answers back with |
| 159 | current cursor position. This information is used to make line | 159 | current cursor position. This information is used to make line |
| 160 | editing more robust in some cases. | 160 | editing more robust in some cases. |
| 161 | If you are not sure whether your terminals respond to this code | 161 | If you are not sure whether your terminals respond to this code |
| 162 | correctly, or want to save on code size (about 400 bytes), | 162 | correctly, or want to save on code size (about 400 bytes), |
| 163 | then do not turn this option on. | 163 | then do not turn this option on. |
| 164 | 164 | ||
| 165 | config LOCALE_SUPPORT | 165 | config LOCALE_SUPPORT |
| 166 | bool "Enable locale support (system needs locale for this to work)" | 166 | bool "Enable locale support (system needs locale for this to work)" |
| 167 | default n | 167 | default n |
| 168 | help | 168 | help |
| 169 | Enable this if your system has locale support and you would like | 169 | Enable this if your system has locale support and you would like |
| 170 | busybox to support locale settings. | 170 | busybox to support locale settings. |
| 171 | 171 | ||
| 172 | config UNICODE_SUPPORT | 172 | config UNICODE_SUPPORT |
| 173 | bool "Support Unicode" | 173 | bool "Support Unicode" |
| 174 | default y | 174 | default y |
| 175 | help | 175 | help |
| 176 | This makes various applets aware that one byte is not | 176 | This makes various applets aware that one byte is not |
| 177 | one character on screen. | 177 | one character on screen. |
| 178 | 178 | ||
| 179 | Busybox aims to eventually work correctly with Unicode displays. | 179 | Busybox aims to eventually work correctly with Unicode displays. |
| 180 | Any older encodings are not guaranteed to work. | 180 | Any older encodings are not guaranteed to work. |
| 181 | Probably by the time when busybox will be fully Unicode-clean, | 181 | Probably by the time when busybox will be fully Unicode-clean, |
| 182 | other encodings will be mainly of historic interest. | 182 | other encodings will be mainly of historic interest. |
| 183 | 183 | ||
| 184 | config UNICODE_USING_LOCALE | 184 | config UNICODE_USING_LOCALE |
| 185 | bool "Use libc routines for Unicode (else uses internal ones)" | 185 | bool "Use libc routines for Unicode (else uses internal ones)" |
| 186 | default n | 186 | default n |
| 187 | depends on UNICODE_SUPPORT && LOCALE_SUPPORT | 187 | depends on UNICODE_SUPPORT && LOCALE_SUPPORT |
| 188 | help | 188 | help |
| 189 | With this option on, Unicode support is implemented using libc | 189 | With this option on, Unicode support is implemented using libc |
| 190 | routines. Otherwise, internal implementation is used. | 190 | routines. Otherwise, internal implementation is used. |
| 191 | Internal implementation is smaller. | 191 | Internal implementation is smaller. |
| 192 | 192 | ||
| 193 | config FEATURE_CHECK_UNICODE_IN_ENV | 193 | config FEATURE_CHECK_UNICODE_IN_ENV |
| 194 | bool "Check $LC_ALL, $LC_CTYPE and $LANG environment variables" | 194 | bool "Check $LC_ALL, $LC_CTYPE and $LANG environment variables" |
| 195 | default n | 195 | default n |
| 196 | depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE | 196 | depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE |
| 197 | help | 197 | help |
| 198 | With this option on, Unicode support is activated | 198 | With this option on, Unicode support is activated |
| 199 | only if locale-related variables have the value of the form | 199 | only if locale-related variables have the value of the form |
| 200 | "xxxx.utf8" | 200 | "xxxx.utf8" |
| 201 | 201 | ||
| 202 | Otherwise, Unicode support will be always enabled and active. | 202 | Otherwise, Unicode support will be always enabled and active. |
| 203 | 203 | ||
| 204 | config SUBST_WCHAR | 204 | config SUBST_WCHAR |
| 205 | int "Character code to substitute unprintable characters with" | 205 | int "Character code to substitute unprintable characters with" |
| 206 | depends on UNICODE_SUPPORT | 206 | depends on UNICODE_SUPPORT |
| 207 | default 63 | 207 | default 63 |
| 208 | help | 208 | help |
| 209 | Typical values are 63 for '?' (works with any output device), | 209 | Typical values are 63 for '?' (works with any output device), |
| 210 | 30 for ASCII substitute control code, | 210 | 30 for ASCII substitute control code, |
| 211 | 65533 (0xfffd) for Unicode replacement character. | 211 | 65533 (0xfffd) for Unicode replacement character. |
| 212 | 212 | ||
| 213 | config LAST_SUPPORTED_WCHAR | 213 | config LAST_SUPPORTED_WCHAR |
| 214 | int "Range of supported Unicode characters" | 214 | int "Range of supported Unicode characters" |
| 215 | depends on UNICODE_SUPPORT | 215 | depends on UNICODE_SUPPORT |
| 216 | default 767 | 216 | default 767 |
| 217 | help | 217 | help |
| 218 | Any character with Unicode value bigger than this is assumed | 218 | Any character with Unicode value bigger than this is assumed |
| 219 | to be non-printable on output device. Many applets replace | 219 | to be non-printable on output device. Many applets replace |
| 220 | such characters with substitution character. | 220 | such characters with substitution character. |
| 221 | 221 | ||
| 222 | The idea is that many valid printable Unicode chars | 222 | The idea is that many valid printable Unicode chars |
| 223 | nevertheless are not displayed correctly. Think about | 223 | nevertheless are not displayed correctly. Think about |
| 224 | combining charachers, double-wide hieroglyphs, obscure | 224 | combining charachers, double-wide hieroglyphs, obscure |
| 225 | characters in dozens of ancient scripts... | 225 | characters in dozens of ancient scripts... |
| 226 | Many terminals, terminal emulators, xterms etc will fail | 226 | Many terminals, terminal emulators, xterms etc will fail |
| 227 | to handle them correctly. Choose the smallest value | 227 | to handle them correctly. Choose the smallest value |
| 228 | which suits your needs. | 228 | which suits your needs. |
| 229 | 229 | ||
| 230 | Typical values are: | 230 | Typical values are: |
| 231 | 126 - ASCII only | 231 | 126 - ASCII only |
| 232 | 767 (0x2ff) - there are no combining chars in [0..767] range | 232 | 767 (0x2ff) - there are no combining chars in [0..767] range |
| 233 | (the range includes Latin 1, Latin Ext. A and B), | 233 | (the range includes Latin 1, Latin Ext. A and B), |
| 234 | code is ~700 bytes smaller for this case. | 234 | code is ~700 bytes smaller for this case. |
| 235 | 4351 (0x10ff) - there are no double-wide chars in [0..4351] range, | 235 | 4351 (0x10ff) - there are no double-wide chars in [0..4351] range, |
| 236 | code is ~300 bytes smaller for this case. | 236 | code is ~300 bytes smaller for this case. |
| 237 | 12799 (0x31ff) - nearly all non-ideographic characters are | 237 | 12799 (0x31ff) - nearly all non-ideographic characters are |
| 238 | available in [0..12799] range, including | 238 | available in [0..12799] range, including |
| 239 | East Asian scripts like katakana, hiragana, hangul, | 239 | East Asian scripts like katakana, hiragana, hangul, |
| 240 | bopomofo... | 240 | bopomofo... |
| 241 | 0 - off, any valid printable Unicode character will be printed. | 241 | 0 - off, any valid printable Unicode character will be printed. |
| 242 | 242 | ||
| 243 | config UNICODE_COMBINING_WCHARS | 243 | config UNICODE_COMBINING_WCHARS |
| 244 | bool "Allow zero-width Unicode characters on output" | 244 | bool "Allow zero-width Unicode characters on output" |
| 245 | default n | 245 | default n |
| 246 | depends on UNICODE_SUPPORT | 246 | depends on UNICODE_SUPPORT |
| 247 | help | 247 | help |
| 248 | With this option off, any Unicode char with width of 0 | 248 | With this option off, any Unicode char with width of 0 |
| 249 | is substituted on output. | 249 | is substituted on output. |
| 250 | 250 | ||
| 251 | config UNICODE_WIDE_WCHARS | 251 | config UNICODE_WIDE_WCHARS |
| 252 | bool "Allow wide Unicode characters on output" | 252 | bool "Allow wide Unicode characters on output" |
| 253 | default n | 253 | default n |
| 254 | depends on UNICODE_SUPPORT | 254 | depends on UNICODE_SUPPORT |
| 255 | help | 255 | help |
| 256 | With this option off, any Unicode char with width > 1 | 256 | With this option off, any Unicode char with width > 1 |
| 257 | is substituted on output. | 257 | is substituted on output. |
| 258 | 258 | ||
| 259 | config UNICODE_BIDI_SUPPORT | 259 | config UNICODE_BIDI_SUPPORT |
| 260 | bool "Bidirectional character-aware line input" | 260 | bool "Bidirectional character-aware line input" |
| 261 | default n | 261 | default n |
| 262 | depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE | 262 | depends on UNICODE_SUPPORT && !UNICODE_USING_LOCALE |
| 263 | help | 263 | help |
| 264 | With this option on, right-to-left Unicode characters | 264 | With this option on, right-to-left Unicode characters |
| 265 | are treated differently on input (e.g. cursor movement). | 265 | are treated differently on input (e.g. cursor movement). |
| 266 | 266 | ||
| 267 | config UNICODE_NEUTRAL_TABLE | 267 | config UNICODE_NEUTRAL_TABLE |
| 268 | bool "In bidi input, support non-ASCII neutral chars too" | 268 | bool "In bidi input, support non-ASCII neutral chars too" |
| 269 | default n | 269 | default n |
| 270 | depends on UNICODE_BIDI_SUPPORT | 270 | depends on UNICODE_BIDI_SUPPORT |
| 271 | help | 271 | help |
| 272 | In most cases it's enough to treat only ASCII non-letters | 272 | In most cases it's enough to treat only ASCII non-letters |
| 273 | (i.e. punctuation, numbers and space) as characters | 273 | (i.e. punctuation, numbers and space) as characters |
| 274 | with neutral directionality. | 274 | with neutral directionality. |
| 275 | With this option on, more extensive (and bigger) table | 275 | With this option on, more extensive (and bigger) table |
| 276 | of neutral chars will be used. | 276 | of neutral chars will be used. |
| 277 | 277 | ||
| 278 | config UNICODE_PRESERVE_BROKEN | 278 | config UNICODE_PRESERVE_BROKEN |
| 279 | bool "Make it possible to enter sequences of chars which are not Unicode" | 279 | bool "Make it possible to enter sequences of chars which are not Unicode" |
| 280 | default n | 280 | default n |
| 281 | depends on UNICODE_SUPPORT | 281 | depends on UNICODE_SUPPORT |
| 282 | help | 282 | help |
| 283 | With this option on, on line-editing input (such as used by shells) | 283 | With this option on, on line-editing input (such as used by shells) |
| 284 | invalid UTF-8 bytes are not substituted with the selected | 284 | invalid UTF-8 bytes are not substituted with the selected |
| 285 | substitution character. | 285 | substitution character. |
| 286 | For example, this means that entering 'l', 's', ' ', 0xff, [Enter] | 286 | For example, this means that entering 'l', 's', ' ', 0xff, [Enter] |
| 287 | at shell prompt will list file named 0xff (single char name | 287 | at shell prompt will list file named 0xff (single char name |
| 288 | with char value 255), not file named '?'. | 288 | with char value 255), not file named '?'. |
| 289 | 289 | ||
| 290 | config FEATURE_NON_POSIX_CP | 290 | config FEATURE_NON_POSIX_CP |
| 291 | bool "Non-POSIX, but safer, copying to special nodes" | 291 | bool "Non-POSIX, but safer, copying to special nodes" |
| 292 | default y | 292 | default y |
| 293 | help | 293 | help |
| 294 | With this option, "cp file symlink" will delete symlink | 294 | With this option, "cp file symlink" will delete symlink |
| 295 | and create a regular file. This does not conform to POSIX, | 295 | and create a regular file. This does not conform to POSIX, |
| 296 | but prevents a symlink attack. | 296 | but prevents a symlink attack. |
| 297 | Similarly, "cp file device" will not send file's data | 297 | Similarly, "cp file device" will not send file's data |
| 298 | to the device. (To do that, use "cat file >device") | 298 | to the device. (To do that, use "cat file >device") |
| 299 | 299 | ||
| 300 | config FEATURE_VERBOSE_CP_MESSAGE | 300 | config FEATURE_VERBOSE_CP_MESSAGE |
| 301 | bool "Give more precise messages when copy fails (cp, mv etc)" | 301 | bool "Give more precise messages when copy fails (cp, mv etc)" |
| 302 | default n | 302 | default n |
| 303 | help | 303 | help |
| 304 | Error messages with this feature enabled: | 304 | Error messages with this feature enabled: |
| 305 | 305 | ||
| 306 | $ cp file /does_not_exist/file | 306 | $ cp file /does_not_exist/file |
| 307 | cp: cannot create '/does_not_exist/file': Path does not exist | 307 | cp: cannot create '/does_not_exist/file': Path does not exist |
| 308 | $ cp file /vmlinuz/file | 308 | $ cp file /vmlinuz/file |
| 309 | cp: cannot stat '/vmlinuz/file': Path has non-directory component | 309 | cp: cannot stat '/vmlinuz/file': Path has non-directory component |
| 310 | 310 | ||
| 311 | If this feature is not enabled, they will be, respectively: | 311 | If this feature is not enabled, they will be, respectively: |
| 312 | 312 | ||
| 313 | cp: cannot create '/does_not_exist/file': No such file or directory | 313 | cp: cannot create '/does_not_exist/file': No such file or directory |
| 314 | cp: cannot stat '/vmlinuz/file': Not a directory | 314 | cp: cannot stat '/vmlinuz/file': Not a directory |
| 315 | 315 | ||
| 316 | This will cost you ~60 bytes. | 316 | This will cost you ~60 bytes. |
| 317 | 317 | ||
| 318 | config FEATURE_USE_SENDFILE | 318 | config FEATURE_USE_SENDFILE |
| 319 | bool "Use sendfile system call" | 319 | bool "Use sendfile system call" |
| 320 | default y | 320 | default y |
| 321 | select PLATFORM_LINUX | 321 | select PLATFORM_LINUX |
| 322 | help | 322 | help |
| 323 | When enabled, busybox will use the kernel sendfile() function | 323 | When enabled, busybox will use the kernel sendfile() function |
| 324 | instead of read/write loops to copy data between file descriptors | 324 | instead of read/write loops to copy data between file descriptors |
| 325 | (for example, cp command does this a lot). | 325 | (for example, cp command does this a lot). |
| 326 | If sendfile() doesn't work, copying code falls back to read/write | 326 | If sendfile() doesn't work, copying code falls back to read/write |
| 327 | loop. sendfile() was originally implemented for faster I/O | 327 | loop. sendfile() was originally implemented for faster I/O |
| 328 | from files to sockets, but since Linux 2.6.33 it was extended | 328 | from files to sockets, but since Linux 2.6.33 it was extended |
| 329 | to work for many more file types. | 329 | to work for many more file types. |
| 330 | 330 | ||
| 331 | config FEATURE_COPYBUF_KB | 331 | config FEATURE_COPYBUF_KB |
| 332 | int "Copy buffer size, in kilobytes" | 332 | int "Copy buffer size, in kilobytes" |
| 333 | range 1 1024 | 333 | range 1 1024 |
| 334 | default 4 | 334 | default 4 |
| 335 | help | 335 | help |
| 336 | Size of buffer used by cp, mv, install, wget etc. | 336 | Size of buffer used by cp, mv, install, wget etc. |
| 337 | Buffers which are 4 kb or less will be allocated on stack. | 337 | Buffers which are 4 kb or less will be allocated on stack. |
| 338 | Bigger buffers will be allocated with mmap, with fallback to 4 kb | 338 | Bigger buffers will be allocated with mmap, with fallback to 4 kb |
| 339 | stack buffer if mmap fails. | 339 | stack buffer if mmap fails. |
| 340 | 340 | ||
| 341 | config FEATURE_SKIP_ROOTFS | 341 | config FEATURE_SKIP_ROOTFS |
| 342 | bool "Skip rootfs in mount table" | 342 | bool "Skip rootfs in mount table" |
| 343 | default y | 343 | default y |
| 344 | help | 344 | help |
| 345 | Ignore rootfs entry in mount table. | 345 | Ignore rootfs entry in mount table. |
| 346 | 346 | ||
| 347 | In Linux, kernel has a special filesystem, rootfs, which is initially | 347 | In Linux, kernel has a special filesystem, rootfs, which is initially |
| 348 | mounted on /. It contains initramfs data, if kernel is configured | 348 | mounted on /. It contains initramfs data, if kernel is configured |
| 349 | to have one. Usually, another file system is mounted over / early | 349 | to have one. Usually, another file system is mounted over / early |
| 350 | in boot process, and therefore most tools which manipulate | 350 | in boot process, and therefore most tools which manipulate |
| 351 | mount table, such as df, will skip rootfs entry. | 351 | mount table, such as df, will skip rootfs entry. |
| 352 | 352 | ||
| 353 | However, some systems do not mount anything on /. | 353 | However, some systems do not mount anything on /. |
| 354 | If you need to configure busybox for one of these systems, | 354 | If you need to configure busybox for one of these systems, |
| 355 | you may find it useful to turn this option off to make df show | 355 | you may find it useful to turn this option off to make df show |
| 356 | initramfs statistics. | 356 | initramfs statistics. |
| 357 | 357 | ||
| 358 | Otherwise, choose Y. | 358 | Otherwise, choose Y. |
| 359 | 359 | ||
| 360 | config MONOTONIC_SYSCALL | 360 | config MONOTONIC_SYSCALL |
| 361 | bool "Use clock_gettime(CLOCK_MONOTONIC) syscall" | 361 | bool "Use clock_gettime(CLOCK_MONOTONIC) syscall" |
| 362 | default y | 362 | default y |
| 363 | select PLATFORM_LINUX | 363 | select PLATFORM_LINUX |
| 364 | help | 364 | help |
| 365 | Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring | 365 | Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring |
| 366 | time intervals (time, ping, traceroute etc need this). | 366 | time intervals (time, ping, traceroute etc need this). |
| 367 | Probably requires Linux 2.6+. If not selected, gettimeofday | 367 | Probably requires Linux 2.6+. If not selected, gettimeofday |
| 368 | will be used instead (which gives wrong results if date/time | 368 | will be used instead (which gives wrong results if date/time |
| 369 | is reset). | 369 | is reset). |
| 370 | 370 | ||
| 371 | config IOCTL_HEX2STR_ERROR | 371 | config IOCTL_HEX2STR_ERROR |
| 372 | bool "Use ioctl names rather than hex values in error messages" | 372 | bool "Use ioctl names rather than hex values in error messages" |
| 373 | default y | 373 | default y |
| 374 | help | 374 | help |
| 375 | Use ioctl names rather than hex values in error messages | 375 | Use ioctl names rather than hex values in error messages |
| 376 | (e.g. VT_DISALLOCATE rather than 0x5608). If disabled this | 376 | (e.g. VT_DISALLOCATE rather than 0x5608). If disabled this |
| 377 | saves about 1400 bytes. | 377 | saves about 1400 bytes. |
| 378 | 378 | ||
| 379 | config FEATURE_HWIB | 379 | config FEATURE_HWIB |
| 380 | bool "Support infiniband HW" | 380 | bool "Support infiniband HW" |
| 381 | default y | 381 | default y |
| 382 | help | 382 | help |
| 383 | Support for printing infiniband addresses in network applets. | 383 | Support for printing infiniband addresses in network applets. |
