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authorRob Landley <rob@landley.net>2008-01-19 17:08:39 -0600
committerRob Landley <rob@landley.net>2008-01-19 17:08:39 -0600
commit2896480c4918f2accccb8301bec457a7bff7377e (patch)
tree622527b0fcb9b5ed9d8b7fb50db316dc00111b2c /toys
parent58ecc3e589c2edc0ef4f33d4419b0b2e7ac6a83d (diff)
downloadtoybox-2896480c4918f2accccb8301bec457a7bff7377e.tar.gz
Zap toys/Config.in and instead create generated/Config.in from contents of
toys/*.c. Move relevant info into comment at the top of each toys/*.c. Also convert more of Makefile into a thin wrapper around shell scripts that actually do the work. (Makefile is only still there for the user interface.)
Diffstat (limited to 'toys')
-rw-r--r--toys/Config.in561
-rw-r--r--toys/basename.c17
-rw-r--r--toys/bzcat.c18
-rw-r--r--toys/catv.c23
-rw-r--r--toys/chroot.c16
-rw-r--r--toys/chvt.c19
-rw-r--r--toys/count.c16
-rw-r--r--toys/df.c39
-rw-r--r--toys/dirname.c17
-rw-r--r--toys/dmesg.c18
-rw-r--r--toys/echo.c29
-rw-r--r--toys/false.c15
-rw-r--r--toys/hello.c18
-rw-r--r--toys/help.c24
-rw-r--r--toys/mdev.c25
-rw-r--r--toys/mke2fs.c89
-rw-r--r--toys/mkfifo.c18
-rw-r--r--toys/netcat.c31
-rw-r--r--toys/oneit.c23
-rw-r--r--toys/patch.c34
-rw-r--r--toys/pwd.c20
-rw-r--r--toys/readlink.c26
-rw-r--r--toys/sed.c21
-rw-r--r--toys/sha1sum.c15
-rw-r--r--toys/sleep.c16
-rw-r--r--toys/sync.c16
-rw-r--r--toys/touch.c21
-rw-r--r--toys/toysh.c152
-rw-r--r--toys/true.c14
-rw-r--r--toys/tty.c16
-rw-r--r--toys/which.c15
-rw-r--r--toys/yes.c16
32 files changed, 711 insertions, 687 deletions
diff --git a/toys/Config.in b/toys/Config.in
deleted file mode 100644
index f1083233..00000000
--- a/toys/Config.in
+++ /dev/null
@@ -1,561 +0,0 @@
-menu "Toys"
-
-# Fake config symbol to attach help entry to.
-
-config TOYBOX
- bool
- default n
- help
- usage: toybox [command] [arguments...]
-
- With no arguments, shows available commands. First argument is
- name of a command to run, followed by any arguments to that command.
-
-config BASENAME
- bool "basename"
- default y
- help
- usage: basename path [suffix]
-
- Print the part of path after the last slash, optionally minus suffix.
-
-config BZCAT
- bool "bzcat"
- default n
- help
- usage: bzcat [filename...]
-
- Decompress listed files to stdout. Use stdin if no files listed.
-
-config CATV
- bool "catv"
- default y
- help
- usage: catv [-evt] [filename...]
-
- Display nonprinting characters as escape sequences. Use M-x for
- high ascii characters (>127), and ^x for other nonprinting chars.
-
- -e Mark each newline with $
- -t Show tabs as ^I
- -v Don't use ^x or M-x escapes.
-
-config CHROOT
- bool "chroot"
- default y
- help
- usage: chroot NEWPATH [commandline...]
-
- Run command within a new root directory. If no command, run /bin/sh.
-
-config CHVT
- bool "chvt"
- default y
- help
- usage: chvt N
-
- Change to virtual terminal number N. (This only works in text mode.)
-
- Virtual terminals are the Linux VGA text mode displays, ordinarily
- switched between via alt-F1, alt-F2, etc. Use ctrl-alt-F1 to switch
- from X to a virtual terminal, and alt-F6 (or F7, or F8) to get back.
-
-config COUNT
- bool "count"
- default y
- help
- usage: count
-
- Copy stdin to stdout, displaying simple progress indicator to stderr.
-
-config DF
- bool "df (disk free)"
- default y
- help
- usage: df [-t type] [FILESYSTEM ...]
-
- The "disk free" command, df shows total/used/available disk space for
- each filesystem listed on the command line, or all currently mounted
- filesystems.
-
- -t type
- Display only filesystems of this type.
-
-config DF_PEDANTIC
- bool "options -P and -k"
- default y
- depends on DF
- help
- usage: df [-Pk]
-
- -P The SUSv3 "Pedantic" option
-
- Provides a slightly less useful output format dictated by
- the Single Unix Specification version 3, and sets the
- units to 512 bytes instead of the default 1024 bytes.
-
- -k Sets units back to 1024 bytes (the default without -P)
-
-config DIRNAME
- bool "dirname"
- default y
- help
- usage: dirname path
-
- Print the part of path up to the last slash.
-
-config DMESG
- bool "dmesg"
- default y
- help
- usage: dmesg [-n level] [-s bufsize] | -c
-
- Print or control the kernel ring buffer.
-
- -n Set kernel logging level (1-9).
- -s Size of buffer to read (in bytes), default 16384.
- -c Clear the ring buffer after printing.
-
-config ECHO
- bool "echo"
- default y
- help
- usage: echo [-ne] [args...]
-
- Write each argument to stdout, with one space between each, followed
- by a newline.
-
- -n No trailing newline.
- -e Process the following escape sequences:
- \\ backslash
- \a alert (beep/flash)
- \b backspace
- \c Stop output here (avoids trailing newline)
- \f form feed
- \n newline
- \r carriage return
- \t horizontal tab
- \v vertical tab
-
-config FALSE
- bool "false"
- default y
- help
- Return nonzero.
-
-config HELLO
- bool "hello"
- default y
- help
- A hello world program. You don't need this.
-
-config MDEV
- bool "mdev"
- default n
- help
- usage: mdev [-s]
-
- Create devices in /dev using information from /sys.
-
- -s Scan all entries in /sys to populate /dev.
-
-config MDEV_CONF
- bool "Configuration file for mdev"
- default n
- depends on MDEV
- help
- The mdev config file (/etc/mdev.conf) contains lines that look like:
- hd[a-z][0-9]* 0:3 660
-
- Each line must contain three whitespace separated fields. The first
- field is a regular expression matching one or more device names, and
- the second and third fields are uid:gid and file permissions for
- matching devies.
-
-config MKE2FS
- bool "mke2fs"
- default n
- help
- usage: mke2fs [-Fnq] [-b ###] [-N|i ###] [-m ###] device
-
- Create an ext2 filesystem on a block device or filesystem image.
-
- -F Force to run on a mounted device
- -n Don't write to device
- -q Quiet (no output)
- -b size Block size (1024, 2048, or 4096)
- -N inodes Allocate this many inodes
- -i bytes Allocate one inode for every XXX bytes of device
- -m percent Reserve this percent of filesystem space for root user
-
-config MKE2FS_JOURNAL
- bool "Journaling support (ext3)"
- default n
- depends on MKE2FS
- help
- usage: [-j] [-J size=###,device=XXX]
-
- -j Create journal (ext3)
- -J Journal options
- size: Number of blocks (1024-102400)
- device: Specify an external journal
-
-config MKE2FS_GEN
- bool "Generate (gene2fs)"
- default n
- depends on MKE2FS
- help
- usage: gene2fs [options] device filename
-
- The [options] are the same as mke2fs.
-
-config MKE2FS_LABEL
- bool "Label support"
- default n
- depends on MKE2FS
- help
- usage: mke2fs [-L label] [-M path] [-o string]
-
- -L Volume label
- -M Path to mount point
- -o Created by
-
-config MKE2FS_EXTENDED
- bool "Extended options"
- default n
- depends on MKE2FS
- help
- usage: mke2fs [-E stride=###] [-O option[,option]]
-
- -E stride= Set RAID stripe size (in blocks)
- -O [opts] Specify fewer ext2 option flags (for old kernels)
- All of these are on by default (as appropriate)
- none Clear default options (all but journaling)
- dir_index Use htree indexes for large directories
- filetype Store file type info in directory entry
- has_journal Set by -j
- journal_dev Set by -J device=XXX
- sparse_super Don't allocate huge numbers of redundant superblocks
-
-config MKFIFO
- bool "mkfifo"
- default y
- help
- usage: mkfifo [-m mode] name...
-
- Makes a named pipe at name.
-
- -m mode The mode of the pipe(s) created by mkfifo. It defaults to 0644.
- The format is in octal, optionally preceded by a leading zero.
-
-config NETCAT
- bool "netcat"
- default y
- help
- usage: netcat [-iwlp] {IPADDR PORTNUM|-f FILENAME} [-e COMMAND]
-
- -e exec the rest of the command line
- -i SECONDS delay after each line sent
- -w SECONDS timeout for connection
- -f filename use file (ala /dev/ttyS0) instead of network
- -l listen for incoming connection (twice for persistent connection)
- -p local port number
- -s local source address
- -q SECONDS quit this many seconds after EOF on stdin.
-
- Use -l twice with -e for a quick-and-dirty server.
-
- Use "stty 115200 -F /dev/ttyS0 && stty raw -echo -ctlecho" with
- netcat -f to connect to a serial port.
-
-config ONEIT
- bool "oneit"
- default y
- help
- usage: oneit [-p] [-c /dev/tty0] command [...]
-
- A simple init program that runs a single supplied command line with a
- controlling tty (so CTRL-C can kill it).
-
- -p Power off instead of rebooting when command exits.
- -c Which console device to use.
-
- The oneit command runs the supplied command line as a child process
- (because PID 1 has signals blocked), attached to /dev/tty0, in its
- own session. Then oneit reaps zombies until the child exits, at
- which point it reboots (or with -p, powers off) the system.
-
-config PATCH
- bool "patch"
- default y
- help
- usage: patch [-i file] [-p depth] [-Ru]
-
- Apply a unified diff to one or more files.
-
- -i Input file (defaults=stdin)
- -p number of '/' to strip from start of file paths (default=all)
- -R Reverse patch.
- -u Ignored (only handles "unified" diffs)
-
- This version of patch only handles unified diffs, and only modifies
- a file when all all hunks to that file apply. Patch prints failed
- hunks to stderr, and exits with nonzero status if any hunks fail.
-
- A file compared against /dev/null is created/deleted as appropriate.
-
-config PWD
- bool "pwd"
- default y
- help
- usage: pwd
-
- The print working directory command prints the current directory.
-
-config READLINK
- bool "readlink"
- default n
- help
- usage: readlink
-
- Show what a symbolic link points to.
-
-config READLINK_F
- bool "readlink -f"
- default n
- depends on READLINK
- help
- usage: readlink [-f]
-
- -f Show full cannonical path, with no symlinks in it. Returns
- nonzero if nothing could currently exist at this location.
-
-config SED
- bool "sed"
- default n
- help
- usage: sed [-irn] {command | [-e command]...} [FILE...]
-
- Stream EDitor, transforms text by appling commands to each line
- of input.
-
-config SHA1SUM
- bool "sha1sum"
- default y
- help
- usage: sha1sum [file...]
-
- Calculate sha1 hash of files (or stdin).
-
-config SLEEP
- bool "sleep"
- default y
- help
- usage: sleep SECONDS
-
- Wait a decimal integer number of seconds.
-
-config SYNC
- bool "sync"
- default y
- help
- usage: sync
-
- Write pending cached data to disk (synchronize), blocking until done.
-
-config TOUCH
- bool "touch"
- default y
- help
- usage: touch [-acm] [-r FILE] [-t MMDDhhmm] [-l bytes] FILE...
-
- Change file timestamps, ensure file existance and change file length.
-
- -a Only change the access time.
- -c Do not create the file if it doesn't exist.
- -l Length to truncate (or sparsely extend) file to.
- -m Only change the modification time.
- -r Reference file to take timestamps from.
- -t Time to change {a,m}time to.
-
-config TOYSH
- bool "sh (toysh)"
- default y
- help
- usage: sh [-c command] [script]
-
- The toybox command shell. Runs a shell script, or else reads input
- interactively and responds to it.
-
- -c command line to execute
-
-config TOYSH_TTY
- bool "Interactive shell (terminal control)"
- default n
- depends on TOYSH
- help
- Add terminal control to toysh. This is necessary for interactive use,
- so the shell isn't killed by CTRL-C.
-
-config TOYSH_PROFILE
- bool "Profile support"
- default n
- depends on TOYSH_TTY
- help
- Read /etc/profile and ~/.profile when running interactively.
-
- Also enables the built-in command "source".
-
-config TOYSH_JOBCTL
- bool "Job Control (fg, bg, jobs)"
- default n
- depends on TOYSH_TTY
- help
- Add job control to toysh. This lets toysh handle CTRL-Z, and enables
- the built-in commands "fg", "bg", and "jobs".
-
- With pipe support, enable use of "&" to run background processes.
-
-config TOYSH_FLOWCTL
- bool "Flow control (if, while, for, functions)"
- default n
- depends on TOYSH
- help
- Add flow control to toysh. This enables the if/then/else/fi,
- while/do/done, and for/do/done constructs.
-
- With pipe support, this enables the ability to define functions
- using the "function name" or "name()" syntax, plus curly brackets
- "{ }" to group commands.
-
-config TOYSH_QUOTES
- bool "Smarter argument parsing (quotes)"
- default n
- depends on TOYSH
- help
- Add support for parsing "" and '' style quotes to the toysh command
- parser, with lets arguments have spaces in them.
-
-
-config TOYSH_WILDCARDS
- bool "Wildcards ( ?*{,} )"
- default n
- depends on TOYSH_QUOTES
- help
- Expand wildcards in argument names, ala "ls -l *.t?z" and
- "rm subdir/{one,two,three}.txt".
-
-config TOYSH_PROCARGS
- bool "Executable arguments ( `` and $() )"
- default n
- depends on TOYSH_QUOTES
- help
- Add support for executing arguments contianing $() and ``, using
- the output of the command as the new argument value(s).
-
- (Bash calls this "command substitution".)
-
-config TOYSH_ENVVARS
- bool "Environment variable support"
- default n
- depends on TOYSH_QUOTES
- help
- Substitute environment variable values for $VARNAME or ${VARNAME},
- and enable the built-in command "export".
-
-config TOYSH_LOCALS
- bool "Local variables"
- default n
- depends on TOYSH_ENVVARS
- help
- Support for local variables, fancy prompts ($PS1), the "set" command,
- and $?.
-
-config TOYSH_ARRAYS
- bool "Array variables"
- default n
- depends on TOYSH_LOCALS
- help
- Support for ${blah[blah]} style array variables.
-
-config TOYSH_PIPES
- bool "Pipes and redirects ( | > >> < << & && | || () ; )"
- default n
- depends on TOYSH
- help
- Support multiple commands on the same command line. This includes
- | pipes, > >> < redirects, << here documents, || && conditional
- execution, () subshells, ; sequential execution, and (with job
- control) & background processes.
-
-config TOYSH_BUILTINS
- bool "Builtin commands"
- default n
- depends on TOYSH
- help
- Adds the commands exec, fg, bg, help, jobs, pwd, export, source, set,
- unset, read, alias.
-
-config EXIT
- bool
- default n
- depends on TOYSH
- help
- usage: exit [status]
-
- Exit shell. If no return value supplied on command line, use value
- of most recent command, or 0 if none.
-
-config CD
- bool
- default n
- depends on TOYSH
- help
- usage: cd [path]
-
- Change current directory. With no arguments, go to $HOME.
-
-config CD_P
- bool # "-P support for cd"
- default n
- depends on TOYSH
- help
- usage: cd [-PL]
-
- -P Physical path: resolve symlinks in path.
- -L Cancel previous -P and restore default behavior.
-
-config TRUE
- bool "true"
- default y
- help
- Return zero.
-
-config TTY
- bool "tty"
- default y
- help
- Print the filename of the terminal connected to standard input.
-
- -s Don't print anything, only return an exit status.
-
-config WHICH
- bool "which"
- default y
- help
- usage: which [-a] filename ...
-
- Search $PATH for executable files matching filename(s).
-
- -a Show all matches
-
-config YES
- bool "yes"
- default y
- help
- usage: yes [args...]
-
- Repeatedly output line until killed. If no args, output 'y'.
-
-endmenu
-
diff --git a/toys/basename.c b/toys/basename.c
index ee5345e4..ffcb5bbe 100644
--- a/toys/basename.c
+++ b/toys/basename.c
@@ -1,8 +1,19 @@
-/* vi: set sw=4 ts=4: */
-/* basename.c - print non-directory portion of path
+/* vi: set sw=4 ts=4:
+ *
+ * basename.c - print non-directory portion of path
+ *
+ * Copyright 2007 Charlie Shepherd <masterdriverz@gentoo.org>
*
* See http://www.opengroup.org/onlinepubs/009695399/utilities/basename.html
- */
+
+config BASENAME
+ bool "basename"
+ default y
+ help
+ usage: basename path [suffix]
+
+ Print the part of path after the last slash, optionally minus suffix.
+*/
#include "toys.h"
diff --git a/toys/bzcat.c b/toys/bzcat.c
index 984e4186..39b962e3 100644
--- a/toys/bzcat.c
+++ b/toys/bzcat.c
@@ -1,7 +1,19 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* bzcat.c - decompress stdin to stdout using bunzip2.
- */
+ *
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
+ * Not in SUSv3.
+
+config BZCAT
+ bool "bzcat"
+ default n
+ help
+ usage: bzcat [filename...]
+
+ Decompress listed files to stdout. Use stdin if no files listed.
+*/
#include "toys.h"
diff --git a/toys/catv.c b/toys/catv.c
index 806b029a..aa1bfd54 100644
--- a/toys/catv.c
+++ b/toys/catv.c
@@ -1,12 +1,25 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* cat -v implementation for toybox
*
* Copyright (C) 2006, 2007 Rob Landley <rob@landley.net>
- */
+ *
+ * Not in SUSv3, but see "Cat -v considered harmful" at
+ * http://cm.bell-labs.com/cm/cs/doc/84/kp.ps.gz
+
+config CATV
+ bool "catv"
+ default y
+ help
+ usage: catv [-evt] [filename...]
+
+ Display nonprinting characters as escape sequences. Use M-x for
+ high ascii characters (>127), and ^x for other nonprinting chars.
-/* See "Cat -v considered harmful" at
- * http://cm.bell-labs.com/cm/cs/doc/84/kp.ps.gz */
+ -e Mark each newline with $
+ -t Show tabs as ^I
+ -v Don't use ^x or M-x escapes.
+*/
#include "toys.h"
diff --git a/toys/chroot.c b/toys/chroot.c
index 8d2e9aa2..305d4fb1 100644
--- a/toys/chroot.c
+++ b/toys/chroot.c
@@ -1,9 +1,19 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* chroot.c - Run command in new root directory.
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* Not in SUSv3.
- */
+
+config CHROOT
+ bool "chroot"
+ default y
+ help
+ usage: chroot NEWPATH [commandline...]
+
+ Run command within a new root directory. If no command, run /bin/sh.
+*/
#include "toys.h"
diff --git a/toys/chvt.c b/toys/chvt.c
index 46040685..fbee3915 100644
--- a/toys/chvt.c
+++ b/toys/chvt.c
@@ -1,10 +1,23 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* chvt.c switch virtual terminals
*
* Copyright (C) 2008 David Anders <danders@amltd.com>
*
- */
+ * Not in SUSv3.
+
+config CHVT
+ bool "chvt"
+ default y
+ help
+ usage: chvt N
+
+ Change to virtual terminal number N. (This only works in text mode.)
+
+ Virtual terminals are the Linux VGA text mode displays, ordinarily
+ switched between via alt-F1, alt-F2, etc. Use ctrl-alt-F1 to switch
+ from X to a virtual terminal, and alt-F6 (or F7, or F8) to get back.
+*/
#include "toys.h"
diff --git a/toys/count.c b/toys/count.c
index 89f97d05..b4e24332 100644
--- a/toys/count.c
+++ b/toys/count.c
@@ -1,9 +1,19 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* count.c - Progress indicator from stdin to stdout
*
+ * Copyright 2002 Rob Landley <rob@landley.net>
+ *
* Not in SUSv3.
- */
+
+config COUNT
+ bool "count"
+ default y
+ help
+ usage: count
+
+ Copy stdin to stdout, displaying simple progress indicator to stderr.
+*/
#include "toys.h"
diff --git a/toys/df.c b/toys/df.c
index 52863cc7..da0d94bb 100644
--- a/toys/df.c
+++ b/toys/df.c
@@ -1,12 +1,39 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* df.c - report free disk space.
*
- * Implemented roughly according to SUSv3:
- * http://www.opengroup.org/onlinepubs/009695399/utilities/df.html
+ * Copyright 2006 Rob Landley <rob@landley.net>
*
- * usage: df [-k] [-P|-t] [file...]
- */
+ * See http://www.opengroup.org/onlinepubs/009695399/utilities/df.html
+
+config DF
+ bool "df (disk free)"
+ default y
+ help
+ usage: df [-t type] [FILESYSTEM ...]
+
+ The "disk free" command, df shows total/used/available disk space for
+ each filesystem listed on the command line, or all currently mounted
+ filesystems.
+
+ -t type
+ Display only filesystems of this type.
+
+config DF_PEDANTIC
+ bool "options -P and -k"
+ default y
+ depends on DF
+ help
+ usage: df [-Pk]
+
+ -P The SUSv3 "Pedantic" option
+
+ Provides a slightly less useful output format dictated by
+ the Single Unix Specification version 3, and sets the
+ units to 512 bytes instead of the default 1024 bytes.
+
+ -k Sets units back to 1024 bytes (the default without -P)
+*/
#include "toys.h"
diff --git a/toys/dirname.c b/toys/dirname.c
index 8810bec5..9d1ad430 100644
--- a/toys/dirname.c
+++ b/toys/dirname.c
@@ -1,8 +1,19 @@
-/* vi: set sw=4 ts=4: */
-/* dirname.c - print directory portion of path, or "." if none.
+/* vi: set sw=4 ts=4:
+ *
+ * dirname.c - print directory portion of path, or "." if none.
+ *
+ * Copyright 2007 Charlie Shephard <masterdriverz@gentoo.org>
*
* See http://www.opengroup.org/onlinepubs/009695399/utilities/dirname.html
- */
+
+config DIRNAME
+ bool "dirname"
+ default y
+ help
+ usage: dirname path
+
+ Print the part of path up to the last slash.
+*/
#include "toys.h"
#include <libgen.h>
diff --git a/toys/dmesg.c b/toys/dmesg.c
index 82fa0c39..a16b8d01 100644
--- a/toys/dmesg.c
+++ b/toys/dmesg.c
@@ -1,11 +1,23 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* dmesg.c - display/control kernel ring buffer.
*
* Copyright 2006, 2007 Rob Landley <rob@landley.net>
*
* Not in SUSv3.
- */
+
+config DMESG
+ bool "dmesg"
+ default y
+ help
+ usage: dmesg [-n level] [-s bufsize] | -c
+
+ Print or control the kernel ring buffer.
+
+ -n Set kernel logging level (1-9).
+ -s Size of buffer to read (in bytes), default 16384.
+ -c Clear the ring buffer after printing.
+*/
#include "toys.h"
#include <sys/klog.h>
diff --git a/toys/echo.c b/toys/echo.c
index a7e6067e..7c475ca0 100644
--- a/toys/echo.c
+++ b/toys/echo.c
@@ -1,9 +1,32 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* echo.c - echo supporting -n and -e.
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* See http://www.opengroup.org/onlinepubs/009695399/utilities/echo.html
- */
+
+config ECHO
+ bool "echo"
+ default y
+ help
+ usage: echo [-ne] [args...]
+
+ Write each argument to stdout, with one space between each, followed
+ by a newline.
+
+ -n No trailing newline.
+ -e Process the following escape sequences:
+ \\ backslash
+ \a alert (beep/flash)
+ \b backspace
+ \c Stop output here (avoids trailing newline)
+ \f form feed
+ \n newline
+ \r carriage return
+ \t horizontal tab
+ \v vertical tab
+*/
#include "toys.h"
diff --git a/toys/false.c b/toys/false.c
index d4345a6d..ac6bf642 100644
--- a/toys/false.c
+++ b/toys/false.c
@@ -1,9 +1,18 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* false.c - Return nonzero.
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* See http://www.opengroup.org/onlinepubs/009695399/utilities/false.html
- */
+
+
+config FALSE
+ bool "false"
+ default y
+ help
+ Return nonzero.
+*/
#include "toys.h"
diff --git a/toys/hello.c b/toys/hello.c
index 12dd7ac0..278fa0a5 100644
--- a/toys/hello.c
+++ b/toys/hello.c
@@ -1,9 +1,21 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* hello.c - A hello world program.
*
+ * Copyright 2006 Rob Landley <rob@landley.net>
+ *
* Not in SUSv3.
- */
+ * See http://www.opengroup.org/onlinepubs/009695399/utilities/
+
+config HELLO
+ bool "hello"
+ default y
+ help
+ A hello world program. You don't need this.
+
+ Mostly used as an example/skeleton file for adding new commands,
+ occasionally nice to test kernel booting via "init=/bin/hello".
+*/
#include "toys.h"
diff --git a/toys/help.c b/toys/help.c
index 42d06a8c..472ccdea 100644
--- a/toys/help.c
+++ b/toys/help.c
@@ -1,9 +1,27 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* help.c - Show help for toybox
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* Not in SUSv3, but exists as a bash builtin.
- */
+
+config HELP
+ bool "help"
+ default y
+ help
+ usage: help [command]
+
+ Show usage information for toybox commands.
+
+config HELP_LONG
+ bool "Verbose help text"
+ default y
+ depends on HELP
+ help
+ Show more than one line of help information per command.
+*/
+
#include "toys.h"
#include "generated/help.h"
diff --git a/toys/mdev.c b/toys/mdev.c
index bc34c0d5..385e52d2 100644
--- a/toys/mdev.c
+++ b/toys/mdev.c
@@ -6,7 +6,30 @@
* Copyright 2005 Frank Sorenson <frank@tuxrocks.com>
*
* Not in SUSv3.
- */
+
+config MDEV
+ bool "mdev"
+ default n
+ help
+ usage: mdev [-s]
+
+ Create devices in /dev using information from /sys.
+
+ -s Scan all entries in /sys to populate /dev.
+
+config MDEV_CONF
+ bool "Configuration file for mdev"
+ default n
+ depends on MDEV
+ help
+ The mdev config file (/etc/mdev.conf) contains lines that look like:
+ hd[a-z][0-9]* 0:3 660
+
+ Each line must contain three whitespace separated fields. The first
+ field is a regular expression matching one or more device names, and
+ the second and third fields are uid:gid and file permissions for
+ matching devies.
+*/
#include "toys.h"
#include "lib/xregcomp.h"
diff --git a/toys/mke2fs.c b/toys/mke2fs.c
index 32dc2141..405ed94d 100644
--- a/toys/mke2fs.c
+++ b/toys/mke2fs.c
@@ -5,7 +5,72 @@
* Copyright 2006, 2007 Rob Landley <rob@landley.net>
*
* Not in SUSv3.
- */
+
+config MKE2FS
+ bool "mke2fs"
+ default n
+ help
+ usage: mke2fs [-Fnq] [-b ###] [-N|i ###] [-m ###] device
+
+ Create an ext2 filesystem on a block device or filesystem image.
+
+ -F Force to run on a mounted device
+ -n Don't write to device
+ -q Quiet (no output)
+ -b size Block size (1024, 2048, or 4096)
+ -N inodes Allocate this many inodes
+ -i bytes Allocate one inode for every XXX bytes of device
+ -m percent Reserve this percent of filesystem space for root user
+
+config MKE2FS_JOURNAL
+ bool "Journaling support (ext3)"
+ default n
+ depends on MKE2FS
+ help
+ usage: [-j] [-J size=###,device=XXX]
+
+ -j Create journal (ext3)
+ -J Journal options
+ size: Number of blocks (1024-102400)
+ device: Specify an external journal
+
+config MKE2FS_GEN
+ bool "Generate (gene2fs)"
+ default n
+ depends on MKE2FS
+ help
+ usage: gene2fs [options] device filename
+
+ The [options] are the same as mke2fs.
+
+config MKE2FS_LABEL
+ bool "Label support"
+ default n
+ depends on MKE2FS
+ help
+ usage: mke2fs [-L label] [-M path] [-o string]
+
+ -L Volume label
+ -M Path to mount point
+ -o Created by
+
+config MKE2FS_EXTENDED
+ bool "Extended options"
+ default n
+ depends on MKE2FS
+ help
+ usage: mke2fs [-E stride=###] [-O option[,option]]
+
+ -E stride= Set RAID stripe size (in blocks)
+ -O [opts] Specify fewer ext2 option flags (for old kernels)
+ All of these are on by default (as appropriate)
+ none Clear default options (all but journaling)
+ dir_index Use htree indexes for large directories
+ filetype Store file type info in directory entry
+ has_journal Set by -j
+ journal_dev Set by -J device=XXX
+ sparse_super Don't allocate huge numbers of redundant superblocks
+*/
#include "toys.h"
@@ -564,25 +629,3 @@ void mke2fs_main(void)
put_zeroes((end-start) * TT.blocksize);
}
}
-
-// Scratch pad:
- // b - block size (1024, 2048, 4096)
- // F - force (run on mounted device or non-block device)
- // i - bytes per inode
- // N - number of inodes
- // m - reserved blocks percentage
- // n - Don't write
- // q - quiet
-
- // L - volume label
- // M - last mounted path
- // o - creator os
-
- // j - create journal
- // J - journal options (size=1024-102400 blocks,device=)
- // device=/dev/blah or LABEL=label UUID=uuid
-
- // E - extended options (stride=stripe-size blocks)
- // O - none,dir_index,filetype,has_journal,journal_dev,sparse_super
-
-
diff --git a/toys/mkfifo.c b/toys/mkfifo.c
index a959a480..77cb73ee 100644
--- a/toys/mkfifo.c
+++ b/toys/mkfifo.c
@@ -1,9 +1,21 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* mkfifo.c: Create a named pipe.
*
* See http://www.opengroup.org/onlinepubs/009695399/utilities/mkfifo.html
- */
+
+config MKFIFO
+ bool "mkfifo"
+ default y
+ help
+ usage: mkfifo [-m mode] name...
+
+ Makes a named pipe at name.
+
+ -m mode The mode of the pipe(s) created by mkfifo. It defaults
+ to 0644. This number is in octal, optionally preceded
+ by a leading zero.
+*/
#include "toys.h"
diff --git a/toys/netcat.c b/toys/netcat.c
index a6d93644..573a76ca 100644
--- a/toys/netcat.c
+++ b/toys/netcat.c
@@ -1,18 +1,35 @@
-/* vi: set sw=4 ts=4: */
-/* nc: mini-netcat - Forward stdin/stdout to a file or network connection.
+/* vi: set sw=4 ts=4:
+ *
+ * nc: mini-netcat - Forward stdin/stdout to a file or network connection.
*
* Copyright 2007 Rob Landley <rob@landley.net>
*
* Not in SUSv3.
- */
+
+config NETCAT
+ bool "netcat"
+ default n
+ help
+ usage: netcat [-iwlp] {IPADDR PORTNUM|-f FILENAME} [-e COMMAND]
+
+ -e exec the rest of the command line
+ -i SECONDS delay after each line sent
+ -w SECONDS timeout for connection
+ -f filename use file (ala /dev/ttyS0) instead of network
+ -l listen for incoming connection (twice for persistent connection)
+ -p local port number
+ -s local source address
+ -q SECONDS quit this many seconds after EOF on stdin.
+
+ Use -l twice with -e for a quick-and-dirty server.
+
+ Use "stty 115200 -F /dev/ttyS0 && stty raw -echo -ctlecho" with
+ netcat -f to connect to a serial port.
+*/
#include "toys.h"
#include "toynet.h"
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
#define TT toy.netcat
static void timeout(int signum)
diff --git a/toys/oneit.c b/toys/oneit.c
index 8563ecb1..a05e9266 100644
--- a/toys/oneit.c
+++ b/toys/oneit.c
@@ -1,9 +1,28 @@
-/* oneit.c, tiny one-process init replacement.
+/* vi: set sw=4 ts=4:
+ *
+ * oneit.c, tiny one-process init replacement.
*
* Copyright 2005, 2007 by Rob Landley <rob@landley.net>.
*
* Not in SUSv3.
- */
+
+config ONEIT
+ bool "oneit"
+ default y
+ help
+ usage: oneit [-p] [-c /dev/tty0] command [...]
+
+ A simple init program that runs a single supplied command line with a
+ controlling tty (so CTRL-C can kill it).
+
+ -p Power off instead of rebooting when command exits.
+ -c Which console device to use.
+
+ The oneit command runs the supplied command line as a child process
+ (because PID 1 has signals blocked), attached to /dev/tty0, in its
+ own session. Then oneit reaps zombies until the child exits, at
+ which point it reboots (or with -p, powers off) the system.
+*/
#include "toys.h"
#include <sys/reboot.h>
diff --git a/toys/patch.c b/toys/patch.c
index 2f1db0ec..53be2631 100644
--- a/toys/patch.c
+++ b/toys/patch.c
@@ -1,13 +1,11 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* patch.c - Apply a "universal" diff.
*
- * SUSv3 at http://www.opengroup.org/onlinepubs/009695399/utilities/patch.html
- * but who cares about "ed"?
+ * Copyright 2007 Rob Landley <rob@landley.net>
*
- * -u ignored
- * -R reverse (remove applied hunks, apply removed hunks)
- * -p num remove this many slashes from start of path (default = all)
+ * see http://www.opengroup.org/onlinepubs/009695399/utilities/patch.html
+ * (But only does -u, because who still cares about "ed"?)
*
* TODO:
* -b backup
@@ -15,7 +13,6 @@
* -N ignore already applied
* -d chdir first
* -D define wrap #ifdef and #ifndef around changes
- * -i patchfile apply patch from filename rather than stdin
* -o outfile output here instead of in place
* -r rejectfile write rejected hunks to this file
*
@@ -23,7 +20,26 @@
* -f force (no questions asked)
* -F fuzz (number, default 2)
* [file] which file to patch
- */
+
+config PATCH
+ bool "patch"
+ default y
+ help
+ usage: patch [-i file] [-p depth] [-Ru]
+
+ Apply a unified diff to one or more files.
+
+ -i Input file (defaults=stdin)
+ -p number of '/' to strip from start of file paths (default=all)
+ -R Reverse patch.
+ -u Ignored (only handles "unified" diffs)
+
+ This version of patch only handles unified diffs, and only modifies
+ a file when all all hunks to that file apply. Patch prints failed
+ hunks to stderr, and exits with nonzero status if any hunks fail.
+
+ A file compared against /dev/null is created/deleted as appropriate.
+*/
#include "toys.h"
diff --git a/toys/pwd.c b/toys/pwd.c
index f5f04e83..d0c4dfa1 100644
--- a/toys/pwd.c
+++ b/toys/pwd.c
@@ -1,7 +1,21 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* pwd.c - Print working directory.
- */
+ *
+ * Copyright 2006 Rob Landley <rob@landley.net>
+ *
+ * See http://www.opengroup.org/onlinepubs/009695399/utilities/echo.html
+ *
+ * TODO: add -L -P
+
+config PWD
+ bool "pwd"
+ default y
+ help
+ usage: pwd
+
+ The print working directory command prints the current directory.
+*/
#include "toys.h"
diff --git a/toys/readlink.c b/toys/readlink.c
index 79fdea52..89aff10d 100644
--- a/toys/readlink.c
+++ b/toys/readlink.c
@@ -1,9 +1,29 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* readlink.c - Return string representation of a symbolic link.
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* Not in SUSv3.
- */
+
+config READLINK
+ bool "readlink"
+ default n
+ help
+ usage: readlink
+
+ Show what a symbolic link points to.
+
+config READLINK_F
+ bool "readlink -f"
+ default n
+ depends on READLINK
+ help
+ usage: readlink [-f]
+
+ -f Show full cannonical path, with no symlinks in it. Returns
+ nonzero if nothing could currently exist at this location.
+*/
#include "toys.h"
diff --git a/toys/sed.c b/toys/sed.c
index 39753399..ffd0a2a1 100644
--- a/toys/sed.c
+++ b/toys/sed.c
@@ -1,15 +1,24 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* sed.c - Stream editor.
*
+ * Copyright 2008 Rob Landley <rob@landley.net>
+ *
* See http://www.opengroup.org/onlinepubs/009695399/utilities/sed.c
- */
+
+config SED
+ bool "sed"
+ default n
+ help
+ usage: sed [-irn] {command | [-e command]...} [FILE...]
+
+ Stream EDitor, transforms text by appling commands to each line
+ of input.
+*/
#include "toys.h"
#include "lib/xregcomp.h"
-#define TT toy.sed
-
struct sed_command {
// Doubly linked list of commands.
struct sed_command *next, *prev;
@@ -35,6 +44,8 @@ struct sed_command {
char command;
};
+#define TT toy.sed
+
void sed_main(void)
{
struct arg_list *test;
diff --git a/toys/sha1sum.c b/toys/sha1sum.c
index 1d405f33..2a1b11e9 100644
--- a/toys/sha1sum.c
+++ b/toys/sha1sum.c
@@ -1,11 +1,22 @@
-/*
+/* vi: set sw=4 ts=4:
+ *
+ * sha1sum.c - Calculate sha1 cryptographic hash for input.
+ *
* Copyright 2007 Rob Landley <rob@landley.net>
*
* Based on the public domain SHA-1 in C by Steve Reid <steve@edmweb.com>
* from http://www.mirrors.wiretapped.net/security/cryptography/hashes/sha1/
*
* Not in SUSv3.
- */
+
+config SHA1SUM
+ bool "sha1sum"
+ default y
+ help
+ usage: sha1sum [file...]
+
+ Calculate sha1 hash of files (or stdin).
+*/
#include <toys.h>
diff --git a/toys/sleep.c b/toys/sleep.c
index 0c01a6ea..205adf21 100644
--- a/toys/sleep.c
+++ b/toys/sleep.c
@@ -1,9 +1,19 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* sleep.c - Wait for a number of seconds.
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* See http://www.opengroup.org/onlinepubs/009695399/utilities/sleep.html
- */
+
+config SLEEP
+ bool "sleep"
+ default y
+ help
+ usage: sleep SECONDS
+
+ Wait a decimal integer number of seconds.
+*/
#include "toys.h"
diff --git a/toys/sync.c b/toys/sync.c
index 4eed0f53..96c36770 100644
--- a/toys/sync.c
+++ b/toys/sync.c
@@ -1,9 +1,19 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* sync.c - Write all pending data to disk.
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* Not in SUSv3.
- */
+
+config SYNC
+ bool "sync"
+ default y
+ help
+ usage: sync
+
+ Write pending cached data to disk (synchronize), blocking until done.
+*/
#include "toys.h"
diff --git a/toys/touch.c b/toys/touch.c
index e01d157e..8c9b7aaa 100644
--- a/toys/touch.c
+++ b/toys/touch.c
@@ -1,11 +1,26 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* touch.c - Modify a file's timestamps.
*
* Copyright (C) 2007 Charlie Shepherd <masterdriverz@gentoo.org>
*
* See http://www.opengroup.org/onlinepubs/009695399/utilities/touch.html
- */
+
+config TOUCH
+ bool "touch"
+ default y
+ help
+ usage: touch [-acm] [-r FILE] [-t MMDDhhmm] [-l bytes] FILE...
+
+ Change file timestamps, ensure file existance and change file length.
+
+ -a Only change the access time.
+ -c Do not create the file if it doesn't exist.
+ -l Length to truncate (or sparsely extend) file to.
+ -m Only change the modification time.
+ -r Reference file to take timestamps from.
+ -t Time to change {a,m}time to.
+*/
#include "toys.h"
diff --git a/toys/toysh.c b/toys/toysh.c
index 61df13dc..353d2158 100644
--- a/toys/toysh.c
+++ b/toys/toysh.c
@@ -13,9 +13,155 @@
* http://www.opengroup.org/onlinepubs/009695399/utilities/exit.html
*
* Things like the bash man page are good to read too.
- */
-
-// Handle embedded NUL bytes in the command line.
+ *
+ * TODO: // Handle embedded NUL bytes in the command line.
+
+config TOYSH
+ bool "sh (toysh)"
+ default y
+ help
+ usage: sh [-c command] [script]
+
+ The toybox command shell. Runs a shell script, or else reads input
+ interactively and responds to it.
+
+ -c command line to execute
+
+config TOYSH_TTY
+ bool "Interactive shell (terminal control)"
+ default n
+ depends on TOYSH
+ help
+ Add terminal control to toysh. This is necessary for interactive use,
+ so the shell isn't killed by CTRL-C.
+
+config TOYSH_PROFILE
+ bool "Profile support"
+ default n
+ depends on TOYSH_TTY
+ help
+ Read /etc/profile and ~/.profile when running interactively.
+
+ Also enables the built-in command "source".
+
+config TOYSH_JOBCTL
+ bool "Job Control (fg, bg, jobs)"
+ default n
+ depends on TOYSH_TTY
+ help
+ Add job control to toysh. This lets toysh handle CTRL-Z, and enables
+ the built-in commands "fg", "bg", and "jobs".
+
+ With pipe support, enable use of "&" to run background processes.
+
+config TOYSH_FLOWCTL
+ bool "Flow control (if, while, for, functions)"
+ default n
+ depends on TOYSH
+ help
+ Add flow control to toysh. This enables the if/then/else/fi,
+ while/do/done, and for/do/done constructs.
+
+ With pipe support, this enables the ability to define functions
+ using the "function name" or "name()" syntax, plus curly brackets
+ "{ }" to group commands.
+
+config TOYSH_QUOTES
+ bool "Smarter argument parsing (quotes)"
+ default n
+ depends on TOYSH
+ help
+ Add support for parsing "" and '' style quotes to the toysh command
+ parser, with lets arguments have spaces in them.
+
+config TOYSH_WILDCARDS
+ bool "Wildcards ( ?*{,} )"
+ default n
+ depends on TOYSH_QUOTES
+ help
+ Expand wildcards in argument names, ala "ls -l *.t?z" and
+ "rm subdir/{one,two,three}.txt".
+
+config TOYSH_PROCARGS
+ bool "Executable arguments ( `` and $() )"
+ default n
+ depends on TOYSH_QUOTES
+ help
+ Add support for executing arguments contianing $() and ``, using
+ the output of the command as the new argument value(s).
+
+ (Bash calls this "command substitution".)
+
+config TOYSH_ENVVARS
+ bool "Environment variable support"
+ default n
+ depends on TOYSH_QUOTES
+ help
+ Substitute environment variable values for $VARNAME or ${VARNAME},
+ and enable the built-in command "export".
+
+config TOYSH_LOCALS
+ bool "Local variables"
+ default n
+ depends on TOYSH_ENVVARS
+ help
+ Support for local variables, fancy prompts ($PS1), the "set" command,
+ and $?.
+
+config TOYSH_ARRAYS
+ bool "Array variables"
+ default n
+ depends on TOYSH_LOCALS
+ help
+ Support for ${blah[blah]} style array variables.
+
+config TOYSH_PIPES
+ bool "Pipes and redirects ( | > >> < << & && | || () ; )"
+ default n
+ depends on TOYSH
+ help
+ Support multiple commands on the same command line. This includes
+ | pipes, > >> < redirects, << here documents, || && conditional
+ execution, () subshells, ; sequential execution, and (with job
+ control) & background processes.
+
+config TOYSH_BUILTINS
+ bool "Builtin commands"
+ default n
+ depends on TOYSH
+ help
+ Adds the commands exec, fg, bg, help, jobs, pwd, export, source, set,
+ unset, read, alias.
+
+config EXIT
+ bool
+ default n
+ depends on TOYSH
+ help
+ usage: exit [status]
+
+ Exit shell. If no return value supplied on command line, use value
+ of most recent command, or 0 if none.
+
+config CD
+ bool
+ default n
+ depends on TOYSH
+ help
+ usage: cd [path]
+
+ Change current directory. With no arguments, go to $HOME.
+
+config CD_P
+ bool # "-P support for cd"
+ default n
+ depends on TOYSH
+ help
+ usage: cd [-PL]
+
+ -P Physical path: resolve symlinks in path.
+ -L Cancel previous -P and restore default behavior.
+*/
#include "toys.h"
diff --git a/toys/true.c b/toys/true.c
index 055fb76e..88e95904 100644
--- a/toys/true.c
+++ b/toys/true.c
@@ -1,9 +1,17 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* true.c - Return zero.
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* See http://www.opengroup.org/onlinepubs/009695399/utilities/true.html
- */
+
+config TRUE
+ bool "true"
+ default y
+ help
+ Return zero.
+*/
#include "toys.h"
diff --git a/toys/tty.c b/toys/tty.c
index 3dfba9ee..a603e3e3 100644
--- a/toys/tty.c
+++ b/toys/tty.c
@@ -1,8 +1,18 @@
-/* vi: set sw=4 ts=4: */
-/* tty.c - print terminal name of stdin
+/* vi: set sw=4 ts=4:
+ * tty.c - print terminal name of stdin
+ *
+ * Copyright 2007 Charlie Shepherd <masterdriverz@gentoo.org>
*
* See http://www.opengroup.org/onlinepubs/009695399/utilities/tty.html
- */
+
+config TTY
+ bool "tty"
+ default y
+ help
+ Print the filename of the terminal connected to standard input.
+
+ -s Don't print anything, only return an exit status.
+*/
#include "toys.h"
diff --git a/toys/which.c b/toys/which.c
index b8c0339a..d7205fde 100644
--- a/toys/which.c
+++ b/toys/which.c
@@ -1,12 +1,21 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* which.c - Find executable files in $PATH.
*
* Copyright 2006 Rob landley <rob@landley.net>
*
* Not in SUSv3.
- */
+config WHICH
+ bool "which"
+ default y
+ help
+ usage: which [-a] filename ...
+
+ Search $PATH for executable files matching filename(s).
+
+ -a Show all matches
+*/
#include "toys.h"
#define OPT_a 1
diff --git a/toys/yes.c b/toys/yes.c
index d1091993..501ea3a9 100644
--- a/toys/yes.c
+++ b/toys/yes.c
@@ -1,9 +1,19 @@
-/* vi: set sw=4 ts=4: */
-/*
+/* vi: set sw=4 ts=4:
+ *
* yes.c - Repeatedly output a string.
*
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
* Not in SUSv3.
- */
+
+config YES
+ bool "yes"
+ default y
+ help
+ usage: yes [args...]
+
+ Repeatedly output line until killed. If no args, output 'y'.
+*/
#include "toys.h"