lib/output.sh: New file.

2 files changed, 56 insertions, 1 deletions

diff --git a/lib/local.mk b/lib/local.mk
index 11a9ac7..8d1f4ba 100644
--- a/lib/local.mk
+++ b/lib/local.mk
@@ -1,2 +1,2 @@
 pkgdata_sources = \
-	
+	lib/output.sh
diff --git a/lib/output.sh b/lib/output.sh
new file mode 100644
index 0000000..4fafaf1
--- /dev/null
+++ b/lib/output.sh
@@ -0,0 +1,55 @@
+# ProteanOS Development Kit
+# lib/output.sh
+# Functions for printing messages
+#
+# Copyright (C) 2013  Patrick "P. J." McDermott
+#
+# 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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
+
+[ "x${_OUTPUT_SM+set}" = 'xset' ] && return 0
+_OUTPUT_SM=1
+
+error()
+{
+	local status=${1}
+	local fmt="${2}"
+	shift 2
+
+	printf '%s: Error: ' "${0##*/}" >&2
+	printf "${fmt}\n" "${@}" >&2
+
+	exit ${status}
+}
+
+warn()
+{
+	local fmt="${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
+}