# -*- shell-script -*-
#
# Copyright (C) 2008, 2010, 2011 Rocky Bernstein <rocky@gnu.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to
# the Free Software Foundation, 59 Temple Place, Suite 330, Boston,
# MA 02111 USA.
_Dbg_help_add untrace \
'untrace FUNCTION
Untrace previously-traced function FUNCTION. See also "trace".'
# Undo wrapping fn
# $? is 0 if successful.
function _Dbg_do_untrace {
typeset fn=$1
if [[ -z $fn ]] ; then
_Dbg_errmsg "untrace: missing or invalid function name."
return 2
fi
_Dbg_is_function "$fn" $_Dbg_set_debug || {
_Dbg_errmsg "untrace: function \"$fn\" is not a function."
return 3
}
_Dbg_is_function "old_$fn" || {
_Dbg_errmsg "untrace: old function old_$fn not seen - nothing done."
return 4
}
if cmd=$(declare -f -- "old_$fn") ; then
if [[ $cmd =~ '^function old_' ]] ; then
cmd="function ${cmd:13}"
else
cmd=${cmd#old_}
fi
((_Dbg_debug_debugger)) && echo $cmd
eval "$cmd" || return 6
_Dbg_msg "\"$fn\" restored from \"old_${fn}\"."
return 0
else
_Dbg_errmsg "Can't find function definition for \"$fn\"."
return 5
fi
}
