Reduce exported from lash applet

[oweals/busybox.git] / shell / Config.in

diff --git a/shell/Config.in b/shell/Config.in
index 892b96e78432a0f0b0eb5708c0f6e31454fdd76f..eb4616672491e9ad22e20ac82a90cce008c496ab 100644 (file)
--- a/shell/Config.in
+++ b/shell/Config.in
@@ -41,7 +41,7 @@ config CONFIG_ASH
          the most complete and most pedantically correct shell included with
          busybox.  This shell is actually a derivative of the Debian 'dash'
          shell (by Herbert Xu), which was created by porting the 'ash' shell
-         (written by Kenneth Almquist) from NetBSD.  
+         (written by Kenneth Almquist) from NetBSD.
 
 comment "Ash Shell Options"
        depends on CONFIG_ASH
@@ -53,6 +53,23 @@ config CONFIG_ASH_JOB_CONTROL
        help
          Enable job control in the ash shell.
 
+config CONFIG_ASH_READ_NCHARS
+        bool "  Enable 'read -n N' and 'read -s' support"
+        default n
+        depends on CONFIG_ASH
+        help
+         'read -n N' will return a value after N characters have been read.
+         'read -s' will read without echoing the user's input.
+
+config CONFIG_ASH_READ_TIMEOUT
+        bool "  Enable 'read -t S' support."
+        default n
+        depends on CONFIG_ASH
+        help
+         'read -t S' will return a value after S seconds have passed.
+         This implementation will allow fractional seconds, expressed
+         as a decimal fraction, e.g. 'read -t 2.5 foo'.
+
 config CONFIG_ASH_ALIAS
        bool "  Enable alias support"
        default y
@@ -67,12 +84,21 @@ config CONFIG_ASH_MATH_SUPPORT
        help
          Enable math support in the ash shell.
 
+config CONFIG_ASH_MATH_SUPPORT_64
+       bool "    Extend Posix math support to 64 bit"
+       default n
+       depends on CONFIG_ASH_MATH_SUPPORT
+       help
+         Enable 64-bit math support in the ash shell.  This will make
+         the shell slightly larger, but will allow computation with very
+         large numbers.
+
 config CONFIG_ASH_GETOPTS
-       bool "  Enable getopt builtin to parse positional parameters"
+       bool "  Enable getopts builtin to parse positional parameters"
        default n
        depends on CONFIG_ASH
        help
-         Enable builtin getopt in the ash shell.
+         Enable getopts builtin in the ash shell.
 
 config CONFIG_ASH_CMDCMD
        bool "  Enable cmdcmd to override shell builtins"
@@ -83,6 +109,21 @@ config CONFIG_ASH_CMDCMD
          you to run the specified command with the specified arguments,
          even when there is an ash builtin command with the same name.
 
+config CONFIG_ASH_BUILTIN_ECHO
+       bool "  Enable builtin version of 'echo'"
+       default n
+       depends on CONFIG_ASH
+       help
+         Enable support for echo, built in to ash.
+
+# this entry also appears in coreutils/Config.in, next to the echo applet
+config CONFIG_FEATURE_FANCY_ECHO
+       bool "  Enable echo options (-n and -e)"
+       default y
+       depends on CONFIG_ASH_BUILTIN_ECHO
+       help
+         This adds options (-n and -e) to echo.
+
 config CONFIG_ASH_MAIL
        bool "  Check for new mail on interactive shells"
        default y
@@ -97,6 +138,26 @@ config CONFIG_ASH_OPTIMIZE_FOR_SIZE
        help
          Compile ash for reduced size at price of speed.
 
+config CONFIG_ASH_RANDOM_SUPPORT
+       bool "  Enable pseudorandom generator and variable $RANDOM"
+       default n
+       depends on CONFIG_ASH
+       help
+         Enable pseudorandom generator and dynamic variable "$RANDOM".
+         Each read of "$RANDOM" will generate a new pseudorandom value.
+         You can reset the generator by using a specified start value.
+         After "unset RANDOM" then generator will switch off and this
+         variable will no longer have special treatment.
+
+config CONFIG_ASH_EXPAND_PRMT
+       bool "  Support expand PS#"
+       default n
+       depends on CONFIG_ASH
+       help
+         "PS#" may be have commands. It option enable expand string
+         from prompt before each show.
+
+
 config CONFIG_HUSH
        bool "hush"
        default n
@@ -149,16 +210,19 @@ config CONFIG_FEATURE_SH_STANDALONE_SHELL
        default n
        depends on CONFIG_MSH || CONFIG_LASH || CONFIG_HUSH || CONFIG_ASH
        help
-         Have all the busybox commands built into the shell, creating
-         a standalone shell.
-
-config CONFIG_FEATURE_SH_APPLETS_ALWAYS_WIN
-       bool "Standalone shell -- applets always win"
-       default n
-       depends on CONFIG_FEATURE_SH_STANDALONE_SHELL
-       help
-         Use a command builtin to the shell over one with the same name,
-         that may be on the system.
+         This option causes the selected busybox shell to use busybox applets
+         in preference to executables in the PATH whenever possible.  For
+         example, entering the command 'ifconfig' into the shell would cause
+         busybox to use the ifconfig busybox applet.  Specifying the fully
+         qualified executable name, such as '/sbin/ifconfig' will still
+         execute the /sbin/ifconfig executable on the filesystem.  This option
+         is generally used when creating a staticly linked version of busybox
+         for use as a rescue shell, in the event that you screw up your system.
+
+         Note that when using this option, the shell will attempt to directly
+         run '/bin/busybox'.  If you do not have the busybox binary sitting in
+         that exact location with that exact name, this option will not work at
+         all.
 
 config CONFIG_FEATURE_COMMAND_EDITING
        bool "command line editing"
@@ -167,6 +231,14 @@ config CONFIG_FEATURE_COMMAND_EDITING
        help
          Enable command editing in shell.
 
+config CONFIG_FEATURE_COMMAND_EDITING_VI
+       bool "vi-style line editing commands"
+       default n
+       depends on CONFIG_FEATURE_COMMAND_EDITING
+       help
+         Enable vi-style line editing in the shell.  This mode can be
+         turned on and off with "set -o vi" and "set +o vi".
+
 config CONFIG_FEATURE_COMMAND_HISTORY
        int "history size"
        default 15