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43be4ab038
freebsd/lib/libedit/editrc.5
Pedro F. Giffuni 8abd4c975c Merge changes from upstream libedit. 
Our libedit has been diverging from the mainstream version
maintained in NetBSD. As a consequence it has been difficult
to do an appropriate MFV and we have been bringing only
partial updates.

Here we update most of the files to at least match the
version available in NetBSD's snapshot of 20091228. This
version was chosen because it still doesn't include wide
character support (UTF-8), which involves many changes and
new files.

From NetBSD's logs:

Dec 15 22:13:33 2006 - editline.3 el.c el.h histedit.h
add EL_GETFP, and EL_SETFP.

Apr 5 15:53:28 2008 - editline.3 el.c histedit.h readline.c
add EL_REFRESH for the benefit of readline

Sep 10 15:45:37 2008 - common.c el.c read.c refresh.c sig.c term.c term.h tty.c
Allow a single process to control multiple ttys (for pthreads using _REENTRANT)
using multiple EditLine objects.

Jan 18 12:17:24 2009 - el.c read.c readline.c
fix -Wsign-compare issues

Feb 6 14:40:32 2009 - history.c
Plug memory leak, from MySQL.

Feb 5 19:15:44 2009 - histedit.h read.c
match documentation in el_push

Feb 6 13:14:37 2009 - vi.c
Portability fix.

Feb 12 13:39:49 2009 - readline.c term.c
More fixes for existing portability stuff.

Feb 15 21:24:13 2009 - el.h read.c
don't restart on EINTR, instead return NULL immediately. From Anon Ymous

Feb 15 21:25:01 2009 - sig.c sig.h
in order for read() to return EINTR we need to use sigaction, not signal,
otherwise SA_RESTART is set.

Feb 15 21:55:23 2009 - chared.c chared.h common.c emacs.c filecomplete.c
filecomplete.h key.c key.h read.c readline.c refresh.c search.c
term.c tokenizer.c tty.c vi.c
pass lint on _LP64.

Feb 17 21:34:26 2009 - el.c histedit.h	prompt.c prompt.h
allow for a prompt argument.

Feb 18 15:04:40 2009 - sig.c
SA_RESTART for all signals but SIGINT. From Anon Ymous.

Feb 19 15:20:22 2009 - read.c sig.c sig.h
reset and redraw on sigcont. From Anon Ymous.

Feb 21 23:31:56 2009 - key.c key.h readline.c vi.c
more size_t stuff.

Mar 10 20:46:15 2009 - editline.3 read.c
make el_gets set the count to -1 on error to distinguish between EOF and
error.

Mar 31 17:38:27 2009 - editline.3 el.c histedit.h prompt.c prompt.h
refresh.c term.c term.h
Implement literal prompt sequences. Now someone can implement
RL_PROMPT_START_LITERAL/RL_PROMPT_END_LITERAL :-)

Mar 31 21:33:17 2009 - term.c
cast to size_t to avoid sign / unsigned comparison warning.

Apr 23 02:03 2009 - term.c
Apply patch (requested by msaitoh in ticket #2007):
Coverity CID 1668: Plug memory leak when malloc() failed.:55 2009

May 11 18:33:30 2009 - editline.3 el.c histedit.h
restore binary compatibility by providing new prompt functions that take
an extra literal character.

May 19 21:45:14 2009 - refresh.c
always scroll when we advance past bottom. From Caleb Welton
cwelton at greenplum dot com.

Jul 17 12:27:57 2009 - term.c
- off by one in the term.h case.
- make code more similar to tcsh (if we want to handle wide chars, this is
  needed; for now it is a no-op)

Jul 22 15:56:29 2009 - el.c
Move filename to the scope it is being used.
From Michael Cook mcook at bbn dot com

Jul 22 15:57:00 2009 - read.c
Always initialize nread since it is an out param.
From Michael Cook mcook at bbn dot com

Jul 22 18:25:26 2009 - el.c
Only need path if we have issetugid... From Anon Ymous

Jul 25 21:19:23 2009 - el.c
Ignore comment lines in .editrc from Jess Thrysoee

Sep 7 21:24:33 2009
histedit.h history.c readline.c
apply apple patches from:
http://opensource.apple.com/source/libedit/libedit-11/patches/

Dec 28 21:52:43 2009 - refresh.c
Fix bug where tab completion on the second or > line that caused listing
ended up corrupting the display by an extra space in the beginning. Reported
by Mac Chan.

Dec 28 22:15:36 2009 - refresh.c term.c
reduce diff with tcsh

Obtained from:	NetBSD
Tested by:	bapt, jilles and current@
MFC after:	1 week
2012-06-22 18:01:22 +00:00

490 lines
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.\" $NetBSD: editrc.5,v 1.24 2009/04/11 22:17:52 wiz Exp $
.\"
.\" Copyright (c) 1997-2000 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This file was contributed to The NetBSD Foundation by Luke Mewburn.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd October 18, 2003
.Dt EDITRC 5
.Os
.Sh NAME
.Nm editrc
.Nd configuration file for editline library
.Sh SYNOPSIS
.Nm
.Sh DESCRIPTION
The
.Nm
file defines various settings to be used by the
.Xr editline 3
library.
.Pp
The format of each line is:
.Dl [prog:]command [arg [...]]
.Pp
.Ar command
is one of the
.Xr editline 3
builtin commands.
Refer to
.Sx BUILTIN COMMANDS
for more information.
.Pp
.Ar prog
is the program name string that a program defines when it calls
.Xr el_init 3
to set up
.Xr editline 3 ,
which is usually
.Va argv[0] .
.Ar command
will be executed for any program which matches
.Ar prog .
.Pp
.Ar prog
may also be a
.Xr regex 3
style
regular expression, in which case
.Ar command
will be executed for any program that matches the regular expression.
.Pp
If
.Ar prog
is absent,
.Ar command
is executed for all programs.
.Sh BUILTIN COMMANDS
The
.Nm editline
library has some builtin commands, which affect the way
that the line editing and history functions operate.
These are based on similar named builtins present in the
.Xr tcsh 1
shell.
.Pp
The following builtin commands are available:
.Bl -tag -width 4n
.It Ic bind Oo Fl a Oc Oo Fl e Oc Oo Fl k Oc Oo Fl l Oc Oo Fl r Oc \
Oo Fl s Oc Oo Fl v Oc Oo Ar key Op Ar command Oc
Without options, list all bound keys, and the editor command to which
each is bound.
If
.Ar key
is supplied, show the bindings for
.Ar key .
If
.Ar key command
is supplied, bind
.Ar command
to
.Ar key .
Options include:
.Bl -tag -width 4n
.It Fl e
Bind all keys to the standard GNU Emacs-like bindings.
.It Fl v
Bind all keys to the standard
.Xr vi 1 Ns -like
bindings.
.It Fl a
List or change key bindings in the
.Xr vi 1
mode alternate (command mode) key map.
.It Fl k
.Ar key
is interpreted as a symbolic arrow key name, which may be one of
.Sq up ,
.Sq down ,
.Sq left
or
.Sq right .
.It Fl l
List all editor commands and a short description of each.
.It Fl r
Remove a key's binding.
.It Fl s
.Ar command
is taken as a literal string and treated as terminal input when
.Ar key
is typed.
Bound keys in
.Ar command
are themselves reinterpreted, and this continues for ten levels of
interpretation.
.El
.Pp
.Ar command
may be one of the commands documented in
.Sx "EDITOR COMMANDS"
below, or another key.
.Pp
.Ar key
and
.Ar command
can contain control characters of the form
.Sm off
.Sq No ^ Ar character
.Sm on
(e.g.\&
.Sq ^A ) ,
and the following backslashed escape sequences:
.Pp
.Bl -tag -compact -offset indent -width 4n
.It Ic \ea
Bell
.It Ic \eb
Backspace
.It Ic \ee
Escape
.It Ic \ef
Formfeed
.It Ic \en
Newline
.It Ic \er
Carriage return
.It Ic \et
Horizontal tab
.It Ic \ev
Vertical tab
.Sm off
.It Sy \e Ar nnn
.Sm on
The ASCII character corresponding to the octal number
.Ar nnn .
.El
.Pp
.Sq \e
nullifies the special meaning of the following character,
if it has any, notably
.Sq \e
and
.Sq ^ .
.It Ic echotc Oo Fl sv Oc Ar arg Ar ...
Exercise terminal capabilities given in
.Ar arg Ar ... .
If
.Ar arg
is
.Sq baud ,
.Sq cols ,
.Sq lines ,
.Sq rows ,
.Sq meta or
.Sq tabs ,
the value of that capability is printed, with
.Dq yes
or
.Dq no
indicating that the terminal does or does not have that capability.
.Pp
.Fl s
returns an empty string for non-existent capabilities, rather than
causing an error.
.Fl v
causes messages to be verbose.
.It Ic edit Op Cm on | off
Enable or disable the
.Nm editline
functionality in a program.
.It Ic history Ar list | Ar size Dv n | Ar unique Dv n
The
.Ar list
command lists all entries in the history.
The
.Ar size
command sets the history size to
.Dv n
entries.
The
.Ar unique
command controls if history should keep duplicate entries.
If
.Dv n
is non zero, only keep unique history entries.
If
.Dv n
is zero, then keep all entries (the default).
.It Ic telltc
List the values of all the terminal capabilities (see
.Xr termcap 5 ) .
.It Ic settc Ar cap Ar val
Set the terminal capability
.Ar cap
to
.Ar val ,
as defined in
.Xr termcap 5 .
No sanity checking is done.
.It Ic setty Oo Fl a Oc Oo Fl d Oc Oo Fl q Oc Oo Fl x Oc Oo Ar +mode Oc \
Oo Ar -mode Oc Oo Ar mode Oc Oo Ar char=c Oc
Control which tty modes that
.Nm
will not allow the user to change.
.Fl d ,
.Fl q
or
.Fl x
tells
.Ic setty
to act on the
.Sq edit ,
.Sq quote
or
.Sq execute
set of tty modes respectively; defaulting to
.Fl x .
.Pp
Without other arguments,
.Ic setty
lists the modes in the chosen set which are fixed on
.Pq Sq +mode
or off
.Pq Sq -mode .
.Fl a
lists all tty modes in the chosen set regardless of the setting.
With
.Ar +mode ,
.Ar -mode
or
.Ar mode ,
fixes
.Ar mode
on or off or removes control of
.Ar mode
in the chosen set.
.Pp
.Ic Setty
can also be used to set tty characters to particular values using
.Ar char=value .
If
.Ar value
is empty
then the character is set to
.Dv _POSIX_VDISABLE .
.El
.Sh EDITOR COMMANDS
The following editor commands are available for use in key bindings:
.\" Section automatically generated with makelist
.Bl -tag -width 4n
.It Ic vi-paste-next
Vi paste previous deletion to the right of the cursor.
.It Ic vi-paste-prev
Vi paste previous deletion to the left of the cursor.
.It Ic vi-prev-space-word
Vi move to the previous space delimited word.
.It Ic vi-prev-word
Vi move to the previous word.
.It Ic vi-next-space-word
Vi move to the next space delimited word.
.It Ic vi-next-word
Vi move to the next word.
.It Ic vi-change-case
Vi change case of character under the cursor and advance one character.
.It Ic vi-change-meta
Vi change prefix command.
.It Ic vi-insert-at-bol
Vi enter insert mode at the beginning of line.
.It Ic vi-replace-char
Vi replace character under the cursor with the next character typed.
.It Ic vi-replace-mode
Vi enter replace mode.
.It Ic vi-substitute-char
Vi replace character under the cursor and enter insert mode.
.It Ic vi-substitute-line
Vi substitute entire line.
.It Ic vi-change-to-eol
Vi change to end of line.
.It Ic vi-insert
Vi enter insert mode.
.It Ic vi-add
Vi enter insert mode after the cursor.
.It Ic vi-add-at-eol
Vi enter insert mode at end of line.
.It Ic vi-delete-meta
Vi delete prefix command.
.It Ic vi-end-word
Vi move to the end of the current space delimited word.
.It Ic vi-to-end-word
Vi move to the end of the current word.
.It Ic vi-undo
Vi undo last change.
.It Ic vi-command-mode
Vi enter command mode (use alternative key bindings).
.It Ic vi-zero
Vi move to the beginning of line.
.It Ic vi-delete-prev-char
Vi move to previous character (backspace).
.It Ic vi-list-or-eof
Vi list choices for completion or indicate end of file if empty line.
.It Ic vi-kill-line-prev
Vi cut from beginning of line to cursor.
.It Ic vi-search-prev
Vi search history previous.
.It Ic vi-search-next
Vi search history next.
.It Ic vi-repeat-search-next
Vi repeat current search in the same search direction.
.It Ic vi-repeat-search-prev
Vi repeat current search in the opposite search direction.
.It Ic vi-next-char
Vi move to the character specified next.
.It Ic vi-prev-char
Vi move to the character specified previous.
.It Ic vi-to-next-char
Vi move up to the character specified next.
.It Ic vi-to-prev-char
Vi move up to the character specified previous.
.It Ic vi-repeat-next-char
Vi repeat current character search in the same search direction.
.It Ic vi-repeat-prev-char
Vi repeat current character search in the opposite search direction.
.It Ic em-delete-or-list
Delete character under cursor or list completions if at end of line.
.It Ic em-delete-next-word
Cut from cursor to end of current word.
.It Ic em-yank
Paste cut buffer at cursor position.
.It Ic em-kill-line
Cut the entire line and save in cut buffer.
.It Ic em-kill-region
Cut area between mark and cursor and save in cut buffer.
.It Ic em-copy-region
Copy area between mark and cursor to cut buffer.
.It Ic em-gosmacs-transpose
Exchange the two characters before the cursor.
.It Ic em-next-word
Move next to end of current word.
.It Ic em-upper-case
Uppercase the characters from cursor to end of current word.
.It Ic em-capitol-case
Capitalize the characters from cursor to end of current word.
.It Ic em-lower-case
Lowercase the characters from cursor to end of current word.
.It Ic em-set-mark
Set the mark at cursor.
.It Ic em-exchange-mark
Exchange the cursor and mark.
.It Ic em-universal-argument
Universal argument (argument times 4).
.It Ic em-meta-next
Add 8th bit to next character typed.
.It Ic em-toggle-overwrite
Switch from insert to overwrite mode or vice versa.
.It Ic em-copy-prev-word
Copy current word to cursor.
.It Ic em-inc-search-next
Emacs incremental next search.
.It Ic em-inc-search-prev
Emacs incremental reverse search.
.It Ic ed-end-of-file
Indicate end of file.
.It Ic ed-insert
Add character to the line.
.It Ic ed-delete-prev-word
Delete from beginning of current word to cursor.
.It Ic ed-delete-next-char
Delete character under cursor.
.It Ic ed-kill-line
Cut to the end of line.
.It Ic ed-move-to-end
Move cursor to the end of line.
.It Ic ed-move-to-beg
Move cursor to the beginning of line.
.It Ic ed-transpose-chars
Exchange the character to the left of the cursor with the one under it.
.It Ic ed-next-char
Move to the right one character.
.It Ic ed-prev-word
Move to the beginning of the current word.
.It Ic ed-prev-char
Move to the left one character.
.It Ic ed-quoted-insert
Add the next character typed verbatim.
.It Ic ed-digit
Adds to argument or enters a digit.
.It Ic ed-argument-digit
Digit that starts argument.
.It Ic ed-unassigned
Indicates unbound character.
.It Ic ed-tty-sigint
Tty interrupt character.
.It Ic ed-tty-dsusp
Tty delayed suspend character.
.It Ic ed-tty-flush-output
Tty flush output characters.
.It Ic ed-tty-sigquit
Tty quit character.
.It Ic ed-tty-sigtstp
Tty suspend character.
.It Ic ed-tty-stop-output
Tty disallow output characters.
.It Ic ed-tty-start-output
Tty allow output characters.
.It Ic ed-newline
Execute command.
.It Ic ed-delete-prev-char
Delete the character to the left of the cursor.
.It Ic ed-clear-screen
Clear screen leaving current line at the top.
.It Ic ed-redisplay
Redisplay everything.
.It Ic ed-start-over
Erase current line and start from scratch.
.It Ic ed-sequence-lead-in
First character in a bound sequence.
.It Ic ed-prev-history
Move to the previous history line.
.It Ic ed-next-history
Move to the next history line.
.It Ic ed-search-prev-history
Search previous in history for a line matching the current.
.It Ic ed-search-next-history
Search next in history for a line matching the current.
.It Ic ed-prev-line
Move up one line.
.It Ic ed-next-line
Move down one line.
.It Ic ed-command
Editline extended command.
.El
.\" End of section automatically generated with makelist
.Sh SEE ALSO
.Xr editline 3 ,
.Xr regex 3 ,
.Xr termcap 5
.Sh AUTHORS
.An -nosplit
The
.Nm editline
library was written by
.An Christos Zoulas ,
and this manual was written by
.An Luke Mewburn ,
with some sections inspired by
.Xr tcsh 1 .
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