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# Functions for printing messages
#
# Copyright (C) 2013 Patrick "P. J." McDermott
#
# This file is part of the ProteanOS Development Kit.
#
# The ProteanOS Development Kit 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 3 of the
# License, or (at your option) any later version.
#
# The ProteanOS Development Kit 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 the ProteanOS Development Kit. If not, see
# <http://www.gnu.org/licenses/>.
error()
{
case "${1}" in
*[!0-9]*)
local fmt="${1}"
shift 1
printf '%s: Error: ' "${0##*/}" >&2
printf "${fmt}\n" "${@}" >&2
;;
*)
local status=${1}
local fmt="${2}"
shift 2
printf '%s: Error: ' "${0##*/}" >&2
printf "${fmt}\n" "${@}" >&2
# In a subshell, this will have no effect, so the
# shell's exit status will be 128+SIGINT. Meh.
exit_status=${status}
kill -s INT ${$}
;;
esac
}
warn()
{
local fmt="${1}"
shift 1
printf '%s: Warning: ' "${0##*/}" >&2
printf "${fmt}\n" "${@}" >&2
return 0
}
info()
{
local fmt="${1}"
shift 1
printf '%s: ' "${0##*/}" >&2
printf "${fmt}\n" "${@}" >&2
return 0
}
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