1 files changed, 52 insertions, 0 deletions
diff --git a/src/getopt.sh b/src/getopt.sh
new file mode 100644
index 0000000..07769e7
--- /dev/null
+++ b/src/getopt.sh
@@ -0,0 +1,52 @@
+# Functions for parsing command-line options
+#
+# 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/>.
+
+get_options()
+{
+	local optstring=
+	local prefix=
+	local opt=
+
+	if [ "x${running_cmd_clean}" = 'x' ]; then
+		optstring="${OPTSTRING}"
+		prefix='opt_'
+	else
+		eval "optstring=\"\${cmd_${running_cmd_clean}_optstring}\""
+		prefix="cmd_${running_cmd_clean}_opt_"
+	fi
+
+	unset OPTARG
+	while getopts "${optstring}" opt; do
+		if [ "x${opt}" = 'x?' ]; then
+			return 1
+		fi
+		case "${optstring}" in
+			*"${opt}:"*)
+				eval "${prefix}${opt}=\"\${OPTARG}\""
+				;;
+			*)
+				eval "${prefix}${opt}=true"
+				;;
+		esac
+		unset OPTARG
+	done
+
+	return 0
+}