package/busybox/config/libbb/Config.in

   1 #
   2 # For a description of the syntax of this configuration file,
   3 # see scripts/kbuild/config-language.txt.
   4 #
   5
   6 menu "Busybox Library Tuning"
   7
   8 config BUSYBOX_CONFIG_PASSWORD_MINLEN
   9         int "Minimum password length"
  10         default 6
  11         range 5 32
  12         help
  13           Minimum allowable password length.
  14
  15 config BUSYBOX_CONFIG_MD5_SIZE_VS_SPEED
  16         int "MD5: Trade bytes for speed (0:fast, 3:slow)"
  17         default 2
  18         range 0 3
  19         help
  20           Trade binary size versus speed for the md5sum algorithm.
  21           Approximate values running uClibc and hashing
  22           linux-2.4.4.tar.bz2 were:
  23                             user times (sec)  text size (386)
  24           0 (fastest)         1.1                6144
  25           1                   1.4                5392
  26           2                   3.0                5088
  27           3 (smallest)        5.1                4912
  28
  29 config BUSYBOX_CONFIG_FEATURE_FAST_TOP
  30         bool "Faster /proc scanning code (+100 bytes)"
  31         default y
  32         help
  33           This option makes top (and ps) ~20% faster (or 20% less CPU hungry),
  34           but code size is slightly bigger.
  35
  36 config BUSYBOX_CONFIG_FEATURE_ETC_NETWORKS
  37         bool "Support for /etc/networks"
  38         default n
  39         help
  40           Enable support for network names in /etc/networks. This is
  41           a rarely used feature which allows you to use names
  42           instead of IP/mask pairs in route command.
  43
  44 config BUSYBOX_CONFIG_FEATURE_USE_TERMIOS
  45         bool "Use termios to manipulate the screen"
  46         default n
  47         depends on BUSYBOX_CONFIG_MORE || BUSYBOX_CONFIG_TOP || BUSYBOX_CONFIG_POWERTOP
  48         help
  49           This option allows utilities such as 'more' and 'top' to determine
  50           the size of the screen. If you leave this disabled, your utilities
  51           that display things on the screen will be especially primitive and
  52           will be unable to determine the current screen size, and will be
  53           unable to move the cursor.
  54
  55 config BUSYBOX_CONFIG_FEATURE_EDITING
  56         bool "Command line editing"
  57         default y
  58         help
  59           Enable line editing (mainly for shell command line).
  60
  61 config BUSYBOX_CONFIG_FEATURE_EDITING_MAX_LEN
  62         int "Maximum length of input"
  63         range 128 8192
  64         default 512
  65         depends on BUSYBOX_CONFIG_FEATURE_EDITING
  66         help
  67           Line editing code uses on-stack buffers for storage.
  68           You may want to decrease this parameter if your target machine
  69           benefits from smaller stack usage.
  70
  71 config BUSYBOX_CONFIG_FEATURE_EDITING_VI
  72         bool "vi-style line editing commands"
  73         default n
  74         depends on BUSYBOX_CONFIG_FEATURE_EDITING
  75         help
  76           Enable vi-style line editing. In shells, this mode can be
  77           turned on and off with "set -o vi" and "set +o vi".
  78
  79 config BUSYBOX_CONFIG_FEATURE_EDITING_HISTORY
  80         int "History size"
  81         range 0 99999
  82         default 256
  83         depends on BUSYBOX_CONFIG_FEATURE_EDITING
  84         help
  85           Specify command history size.
  86
  87 config BUSYBOX_CONFIG_FEATURE_EDITING_SAVEHISTORY
  88         bool "History saving"
  89         default n
  90         depends on BUSYBOX_CONFIG_FEATURE_EDITING
  91         help
  92           Enable history saving in shells.
  93
  94 config BUSYBOX_CONFIG_FEATURE_TAB_COMPLETION
  95         bool "Tab completion"
  96         default y
  97         depends on BUSYBOX_CONFIG_FEATURE_EDITING
  98         help
  99           Enable tab completion.
 100
 101 config BUSYBOX_CONFIG_FEATURE_USERNAME_COMPLETION
 102         bool "Username completion"
 103         default n
 104         depends on BUSYBOX_CONFIG_FEATURE_TAB_COMPLETION
 105         help
 106           Enable username completion.
 107
 108 config BUSYBOX_CONFIG_FEATURE_EDITING_FANCY_PROMPT
 109         bool "Fancy shell prompts"
 110         default y
 111         depends on BUSYBOX_CONFIG_FEATURE_EDITING
 112         help
 113           Setting this option allows for prompts to use things like \w and
 114           \$ and escape codes.
 115
 116 config BUSYBOX_CONFIG_FEATURE_EDITING_ASK_TERMINAL
 117         bool "Query cursor position from terminal"
 118         default n
 119         depends on BUSYBOX_CONFIG_FEATURE_EDITING
 120         help
 121           Allow usage of "ESC [ 6 n" sequence. Terminal answers back with
 122           current cursor position. This information is used to make line
 123           editing more robust in some cases.
 124           If you are not sure whether your terminals respond to this code
 125           correctly, or want to save on code size (about 400 bytes),
 126           then do not turn this option on.
 127
 128 config BUSYBOX_CONFIG_FEATURE_NON_POSIX_CP
 129         bool "Non-POSIX, but safer, copying to special nodes"
 130         default y
 131         help
 132           With this option, "cp file symlink" will delete symlink
 133           and create a regular file. This does not conform to POSIX,
 134           but prevents a symlink attack.
 135           Similarly, "cp file device" will not send file's data
 136           to the device.
 137
 138 config BUSYBOX_CONFIG_FEATURE_VERBOSE_CP_MESSAGE
 139         bool "Give more precise messages when copy fails (cp, mv etc)"
 140         default n
 141         help
 142           Error messages with this feature enabled:
 143             $ cp file /does_not_exist/file
 144             cp: cannot create '/does_not_exist/file': Path does not exist
 145             $ cp file /vmlinuz/file
 146             cp: cannot stat '/vmlinuz/file': Path has non-directory component
 147           If this feature is not enabled, they will be, respectively:
 148             cp: cannot create '/does_not_exist/file': No such file or directory
 149             cp: cannot stat '/vmlinuz/file': Not a directory
 150           This will cost you ~60 bytes.
 151
 152 config BUSYBOX_CONFIG_FEATURE_COPYBUF_KB
 153         int "Copy buffer size, in kilobytes"
 154         range 1 1024
 155         default 4
 156         help
 157           Size of buffer used by cp, mv, install etc.
 158           Buffers which are 4 kb or less will be allocated on stack.
 159           Bigger buffers will be allocated with mmap, with fallback to 4 kb
 160           stack buffer if mmap fails.
 161
 162 config BUSYBOX_CONFIG_MONOTONIC_SYSCALL
 163         bool "Use clock_gettime(CLOCK_MONOTONIC) syscall"
 164         default n
 165         depends on BUSYBOX_CONFIG_PLATFORM_LINUX
 166         help
 167           Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring
 168           time intervals (time, ping, traceroute etc need this).
 169           Probably requires Linux 2.6+. If not selected, gettimeofday
 170           will be used instead (which gives wrong results if date/time
 171           is reset).
 172
 173 config BUSYBOX_CONFIG_IOCTL_HEX2STR_ERROR
 174         bool "Use ioctl names rather than hex values in error messages"
 175         default y
 176         help
 177           Use ioctl names rather than hex values in error messages
 178           (e.g. VT_DISALLOCATE rather than 0x5608). If disabled this
 179           saves about 1400 bytes.
 180
 181 config BUSYBOX_CONFIG_FEATURE_HWIB
 182         bool "Support infiniband HW"
 183         default n
 184         help
 185           Support for printing infiniband addresses in
 186           network applets.
 187
 188 endmenu