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    Contents of /trunk/mkinitrd-magellan/busybox/libbb/Config.in

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    Revision 984 - (show annotations) (download)
    Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
    File size: 5041 byte(s) 
    -updated to busybox-1.16.1 and enabled blkid/uuid support in default config
    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 PASSWORD_MINLEN
    9 int "Minimum password length"
    10 default 6
    11 range 5 32
    12 help
    13 Minimum allowable password length.
    14
    15 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 FEATURE_FAST_TOP
    30 bool "Faster /proc scanning code (+100 bytes)"
    31 default n
    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 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 FEATURE_EDITING
    45 bool "Command line editing"
    46 default n
    47 help
    48 Enable line editing (mainly for shell command line).
    49
    50 config FEATURE_EDITING_MAX_LEN
    51 int "Maximum length of input"
    52 range 128 8192
    53 default 1024
    54 depends on FEATURE_EDITING
    55 help
    56 Line editing code uses on-stack buffers for storage.
    57 You may want to decrease this parameter if your target machine
    58 benefits from smaller stack usage.
    59
    60 config FEATURE_EDITING_VI
    61 bool "vi-style line editing commands"
    62 default n
    63 depends on FEATURE_EDITING
    64 help
    65 Enable vi-style line editing. In shells, this mode can be
    66 turned on and off with "set -o vi" and "set +o vi".
    67
    68 config FEATURE_EDITING_HISTORY
    69 int "History size"
    70 range 0 99999
    71 default 15
    72 depends on FEATURE_EDITING
    73 help
    74 Specify command history size.
    75
    76 config FEATURE_EDITING_SAVEHISTORY
    77 bool "History saving"
    78 default n
    79 depends on ASH && FEATURE_EDITING
    80 help
    81 Enable history saving in ash shell.
    82
    83 config FEATURE_TAB_COMPLETION
    84 bool "Tab completion"
    85 default n
    86 depends on FEATURE_EDITING
    87 help
    88 Enable tab completion.
    89
    90 config FEATURE_USERNAME_COMPLETION
    91 bool "Username completion"
    92 default n
    93 depends on FEATURE_TAB_COMPLETION
    94 help
    95 Enable username completion.
    96
    97 config FEATURE_EDITING_FANCY_PROMPT
    98 bool "Fancy shell prompts"
    99 default n
    100 depends on FEATURE_EDITING
    101 help
    102 Setting this option allows for prompts to use things like \w and
    103 \$ and escape codes.
    104
    105 config FEATURE_EDITING_ASK_TERMINAL
    106 bool "Query cursor position from terminal"
    107 default n
    108 depends on FEATURE_EDITING
    109 help
    110 Allow usage of "ESC [ 6 n" sequence. Terminal answers back with
    111 current cursor position. This information is used to make line
    112 editing more robust in some cases.
    113 If you are not sure whether your terminals respond to this code
    114 correctly, or want to save on code size (about 400 bytes),
    115 then do not turn this option on.
    116
    117 config FEATURE_NON_POSIX_CP
    118 bool "Non-POSIX, but safer, copying to special nodes"
    119 default y
    120 help
    121 With this option, "cp file symlink" will delete symlink
    122 and create a regular file. This does not conform to POSIX,
    123 but prevents a symlink attack.
    124 Similarly, "cp file device" will not send file's data
    125 to the device.
    126
    127 config FEATURE_VERBOSE_CP_MESSAGE
    128 bool "Give more precise messages when copy fails (cp, mv etc)"
    129 default n
    130 help
    131 Error messages with this feature enabled:
    132 $ cp file /does_not_exist/file
    133 cp: cannot create '/does_not_exist/file': Path does not exist
    134 $ cp file /vmlinuz/file
    135 cp: cannot stat '/vmlinuz/file': Path has non-directory component
    136 If this feature is not enabled, they will be, respectively:
    137 cp: cannot create '/does_not_exist/file': No such file or directory
    138 cp: cannot stat '/vmlinuz/file': Not a directory
    139 This will cost you ~60 bytes.
    140
    141 config FEATURE_COPYBUF_KB
    142 int "Copy buffer size, in kilobytes"
    143 range 1 1024
    144 default 4
    145 help
    146 Size of buffer used by cp, mv, install etc.
    147 Buffers which are 4 kb or less will be allocated on stack.
    148 Bigger buffers will be allocated with mmap, with fallback to 4 kb
    149 stack buffer if mmap fails.
    150
    151 config MONOTONIC_SYSCALL
    152 bool "Use clock_gettime(CLOCK_MONOTONIC) syscall"
    153 default y
    154 help
    155 Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring
    156 time intervals (time, ping, traceroute etc need this).
    157 Probably requires Linux 2.6+. If not selected, gettimeofday
    158 will be used instead (which gives wrong results if date/time
    159 is reset).
    160
    161 config IOCTL_HEX2STR_ERROR
    162 bool "Use ioctl names rather than hex values in error messages"
    163 default y
    164 help
    165 Use ioctl names rather than hex values in error messages
    166 (e.g. VT_DISALLOCATE rather than 0x5608). If disabled this
    167 saves about 1400 bytes.
    168
    169 config FEATURE_HWIB
    170 bool "Support infiniband HW"
    171 default y
    172 help
    173 Support for printing infiniband addresses in
    174 network applets.
    175
    176 endmenu