1#
2# For a description of the syntax of this configuration file,
3# see scripts/kbuild/config-language.txt.
4#
5
6menu "Editors"
7
8config AWK
9	bool "awk"
10	default n
11	help
12	  Awk is used as a pattern scanning and processing language.  This is
13	  the BusyBox implementation of that programming language.
14
15config FEATURE_AWK_MATH
16	bool "Enable math functions (requires libm)"
17	default y
18	depends on AWK
19	help
20	  Enable math functions of the Awk programming language.
21	  NOTE: This will require libm to be present for linking.
22
23config CMP
24	bool "cmp"
25	default n
26	help
27	  cmp is used to compare two files and returns the result
28	  to standard output.
29
30config DIFF
31	bool "diff"
32	default n
33	help
34	  diff compares two files or directories and outputs the
35	  differences between them in a form that can be given to
36	  the patch command.
37
38config FEATURE_DIFF_BINARY
39	bool "Enable checks for binary files"
40	default y
41	depends on DIFF
42	help
43	  This option enables support for checking for binary files
44	  before a comparison is carried out.
45
46config FEATURE_DIFF_DIR
47	bool "Enable directory support"
48	default y
49	depends on DIFF
50	help
51	  This option enables support for directory and subdirectory
52	  comparison.
53
54config FEATURE_DIFF_MINIMAL
55	bool "Enable -d option to find smaller sets of changes"
56	default n
57	depends on DIFF
58	help
59	  Enabling this option allows the use of -d to make diff
60	  try hard to find the smallest possible set of changes.
61
62config ED
63	bool "ed"
64	default n
65	help
66	  The original 1970's Unix text editor, from the days of teletypes.
67	  Small, simple, evil.  Part of SUSv3.  If you're not already using
68	  this, you don't need it.
69
70config PATCH
71	bool "patch"
72	default n
73	help
74	  Apply a unified diff formatted patch.
75
76config SED
77	bool "sed"
78	default n
79	help
80	  sed is used to perform text transformations on a file
81	  or input from a pipeline.
82
83config VI
84	bool "vi"
85	default n
86	help
87	  'vi' is a text editor.  More specifically, it is the One True
88	  text editor <grin>.  It does, however, have a rather steep
89	  learning curve.  If you are not already comfortable with 'vi'
90	  you may wish to use something else.
91
92config FEATURE_VI_MAX_LEN
93	int "Maximum line length in vi"
94	range 256 16384
95	default 1024
96	depends on VI
97	help
98	  vi uses on-stack buffers for intermediate line buffers.
99	  You may want to decrease this parameter if your target machine
100	  benefits from smaller stack usage.
101
102config FEATURE_VI_COLON
103	bool "Enable \":\" colon commands (no \"ex\" mode)"
104	default y
105	depends on VI
106	help
107	  Enable a limited set of colon commands for vi.  This does not
108	  provide an "ex" mode.
109
110config FEATURE_VI_YANKMARK
111	bool "Enable yank/put commands and mark cmds"
112	default y
113	depends on VI
114	help
115	  This will enable you to use yank and put, as well as mark in
116	  busybox vi.
117
118config FEATURE_VI_SEARCH
119	bool "Enable search and replace cmds"
120	default y
121	depends on VI
122	help
123	  Select this if you wish to be able to do search and replace in
124	  busybox vi.
125
126config FEATURE_VI_USE_SIGNALS
127	bool "Catch signals"
128	default y
129	depends on VI
130	help
131	  Selecting this option will make busybox vi signal aware.  This will
132	  make busybox vi support SIGWINCH to deal with Window Changes, catch
133	  Ctrl-Z and Ctrl-C and alarms.
134
135config FEATURE_VI_DOT_CMD
136	bool "Remember previous cmd and \".\" cmd"
137	default y
138	depends on VI
139	help
140	  Make busybox vi remember the last command and be able to repeat it.
141
142config FEATURE_VI_READONLY
143	bool "Enable -R option and \"view\" mode"
144	default y
145	depends on VI
146	help
147	  Enable the read-only command line option, which allows the user to
148	  open a file in read-only mode.
149
150config FEATURE_VI_SETOPTS
151	bool "Enable set-able options, ai ic showmatch"
152	default y
153	depends on VI
154	help
155	  Enable the editor to set some (ai, ic, showmatch) options.
156
157config FEATURE_VI_SET
158	bool "Support for :set"
159	default y
160	depends on VI
161	help
162	  Support for ":set".
163
164config FEATURE_VI_WIN_RESIZE
165	bool "Handle window resize"
166	default y
167	depends on VI
168	help
169	  Make busybox vi behave nicely with terminals that get resized.
170
171config FEATURE_VI_OPTIMIZE_CURSOR
172	bool "Optimize cursor movement"
173	default y
174	depends on VI
175	help
176	  This will make the cursor movement faster, but requires more memory
177	  and it makes the applet a tiny bit larger.
178
179config FEATURE_ALLOW_EXEC
180	bool "Allow vi and awk to execute shell commands"
181	default y
182	depends on VI || AWK
183	help
184	  Enables vi and awk features which allows user to execute
185	  shell commands (using system() C call).
186
187endmenu
188