1if [ ! "$_STARTUP_RCEDIT_SUBR" ]; then _STARTUP_RCEDIT_SUBR=1
2#
3# Copyright (c) 2012 Devin Teske
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28#
29############################################################ INCLUDES
30
31BSDCFG_SHARE="/usr/share/bsdconfig"
32. $BSDCFG_SHARE/common.subr || exit 1
33f_dprintf "%s: loading includes..." startup/rcedit.subr
34f_include $BSDCFG_SHARE/dialog.subr
35f_include $BSDCFG_SHARE/strings.subr
36f_include $BSDCFG_SHARE/sysrc.subr
37
38BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="140.startup"
39f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
40
41############################################################ FUNCTIONS
42
43# f_dialog_rcedit $var [[--] $init ...]
44#
45# Allow the user to enter a new value for a given rc.conf(5) variable. If the
46# user does not cancel or press ESC, the variable will be saved without
47# confirmation.
48#
49# If the second argument is non-NULL, it will be processed as the initial text
50# to be displayed, overriding the default behavior to display the currently
51# configured value as the initial text.
52#
53# If instead the second argument is "--", then the third argument (NULL or
54# otherwise) will be treated as the initial text.
55#
56f_dialog_rcedit()
57{
58	local funcname=f_dialog_rcedit
59	local msg var="$1" _input
60
61	f_sprintf msg "$msg_please_enter_a_new_value" \
62	              "$var" "$( f_sysrc_get_default "$var" )"
63
64	shift 1 # var
65	if [ "$1" ]; then
66		[ "$1" = "--" ] && shift 1 # --
67		_input="$1"
68	else
69		_input=$( f_sysrc_get "$var" )
70	fi
71
72	# Return if user has either pressed ESC or chosen Cancel/No
73	f_dialog_input _input "$msg" "$_input" \
74	               "$hline_alnum_punc_tab_enter" || return $?
75
76	# Return if the value has not changed from current
77	local cur_val="$( f_sysrc_get "$var" )"
78	[ "$_input" = "$cur_val" ] && return $DIALOG_OK
79
80	f_dprintf "%s: [%s]->[%s]" "$var" "$cur_val" "$_input"
81
82	f_eval_catch $funcname f_sysrc_set \
83		'f_sysrc_set "%s" "%s"' "$var" "$_input"
84}
85
86############################################################ MAIN
87
88f_dprintf "%s: Successfully loaded." startup/rcedit.subr
89
90fi # ! $_STARTUP_RCEDIT_SUBR
91