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Rob Landley5cf7c2d2006-02-21 06:44:43 +00001#
2# For a description of the syntax of this configuration file,
3# see scripts/kbuild/config-language.txt.
4#
5
6menu "Busybox Library Tuning"
7
Denis Vlasenko7d219aa2006-10-05 10:17:08 +00008config PASSWORD_MINLEN
"Robert P. J. Day"087b9d62006-07-02 18:35:39 +00009 int "Minimum password length"
10 default 6
11 range 5 32
12 help
13 Minimum allowable password length.
14
Denis Vlasenko7d219aa2006-10-05 10:17:08 +000015config MD5_SIZE_VS_SPEED
Denis Vlasenko4ee7cd42008-03-17 09:13:22 +000016 int "MD5: Trade Bytes for Speed"
Rob Landley5cf7c2d2006-02-21 06:44:43 +000017 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
Denis Vlasenko3afac4c2007-06-19 13:46:24 +000029config 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
Denis Vlasenkoa61cb922007-06-19 11:24:47 +000036config 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
Denis Vlasenko38f63192007-01-22 09:03:07 +000044config FEATURE_EDITING
45 bool "Command line editing"
46 default n
47 help
Denis Vlasenkoe8a07882007-06-10 15:08:44 +000048 Enable line editing (mainly for shell command line).
49
50config 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.
Denis Vlasenko38f63192007-01-22 09:03:07 +000059
Denis Vlasenko38f63192007-01-22 09:03:07 +000060config FEATURE_EDITING_VI
61 bool "vi-style line editing commands"
62 default n
63 depends on FEATURE_EDITING
64 help
Bernhard Reutner-Fischer3e8669f2008-07-22 18:27:53 +000065 Enable vi-style line editing. In shells, this mode can be
Denis Vlasenko38f63192007-01-22 09:03:07 +000066 turned on and off with "set -o vi" and "set +o vi".
67
68config 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
76config 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
83config FEATURE_TAB_COMPLETION
84 bool "Tab completion"
85 default n
86 depends on FEATURE_EDITING
87 help
88 Enable tab completion.
89
90config FEATURE_USERNAME_COMPLETION
91 bool "Username completion"
92 default n
93 depends on FEATURE_TAB_COMPLETION
94 help
95 Enable username completion.
96
97config 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
Denis Vlasenkod5fe8802008-02-13 16:52:00 +0000105config FEATURE_VERBOSE_CP_MESSAGE
106 bool "Give more precise messages when copy fails (cp, mv etc)"
107 default n
108 help
109 Error messages with this feature enabled:
110 $ cp file /does_not_exist/file
111 cp: cannot create '/does_not_exist/file': Path does not exist
112 $ cp file /vmlinuz/file
113 cp: cannot stat '/vmlinuz/file': Path has non-directory component
114 If this feature is not enabled, they will be, respectively:
115 cp: cannot remove '/does_not_exist/file': No such file or directory
116 cp: cannot stat '/vmlinuz/file': Not a directory
117 respectively.
118 This will cost you ~60 bytes.
119
Denis Vlasenko4c139222007-12-02 03:27:42 +0000120config FEATURE_COPYBUF_KB
121 int "Copy buffer size, in kilobytes"
122 range 1 1024
123 default 4
124 help
125 Size of buffer used by cp, mv, install etc.
126 Buffers which are 4 kb or less will be allocated on stack.
127 Bigger buffers will be allocated with mmap, with fallback to 4 kb
128 stack buffer if mmap fails.
129
Denis Vlasenko459be352007-06-17 19:09:05 +0000130config MONOTONIC_SYSCALL
131 bool "Use clock_gettime(CLOCK_MONOTONIC) syscall"
132 default y
133 help
134 Use clock_gettime(CLOCK_MONOTONIC) syscall for measuring
135 time intervals (time, ping, traceroute etc need this).
136 Probably requires Linux 2.6+. If not selected, gettimeofday
137 will be used instead (which gives wrong results if date/time
138 is reset).
139
Denis Vlasenkofb79a2e2007-07-14 22:07:14 +0000140config IOCTL_HEX2STR_ERROR
141 bool "Use ioctl names rather than hex values in error messages"
142 default y
143 help
144 Use ioctl names rather than hex values in error messages
145 (e.g. VT_DISALLOCATE rather than 0x5608). If disabled this
146 saves about 1400 bytes.
Bernhard Reutner-Fischerf3b778a2008-05-16 16:10:31 +0000147
148config FEATURE_HWIB
149 bool "Support infiniband HW"
150 default y
151 help
152 Support for printing infiniband addresses in
153 network applets.
Rob Landley5cf7c2d2006-02-21 06:44:43 +0000154endmenu