1 files changed, 109 insertions, 0 deletions
diff --git a/usr.sbin/bsdconfig/share/media/common.subr b/usr.sbin/bsdconfig/share/media/common.subr
new file mode 100644
index 0000000..589bbdc
--- /dev/null
+++ b/usr.sbin/bsdconfig/share/media/common.subr
@@ -0,0 +1,109 @@
+if [ ! "$_MEDIA_COMMON_SUBR" ]; then _MEDIA_COMMON_SUBR=1
+#
+# Copyright (c) 2012-2013 Devin Teske
+# All Rights Reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+############################################################ INCLUDES
+
+BSDCFG_SHARE="/usr/share/bsdconfig"
+. $BSDCFG_SHARE/common.subr || exit 1
+f_dprintf "%s: loading includes..." media/common.subr
+f_include $BSDCFG_SHARE/struct.subr
+f_include $BSDCFG_SHARE/device.subr
+
+############################################################ GLOBALS
+
+#
+# Where to mount media
+#
+MOUNTPOINT=/dist
+
+############################################################ FUNCTIONS
+
+# f_media_open
+#
+# Returms success if able to initialize the media device.
+#
+f_media_open()
+{
+	{ # Verify and initialize device media if-defined
+		f_struct device_media &&
+		f_media_verify &&
+		f_device_init media
+	} || return $FAILURE
+}
+
+# f_media_close
+#
+# Shuts down the media device, see f_device_shutdown() from device.subr for
+# more details.
+#
+f_media_close()
+{
+	f_struct device_media &&
+		f_device_shutdown media
+	f_struct_free device_media
+}
+
+# f_media_verify
+#
+# Returns success if the media device is available, and if not, prompts the
+# user to select a media type. See f_media_get_type() from media/any.subr for
+# more details.
+#
+f_media_verify()
+{
+	f_struct device_media || f_media_get_type
+}
+
+# f_media_generic_get $base $file
+#
+# A generic open which follows a well-known "path" of places to look.
+# 
+f_media_generic_get()
+{
+	local base="$1" file="$2" rel path
+
+	f_getvar $VAR_RELNAME rel
+	for path in \
+		"$base/$file" \
+		"$base/FreeBSD/$file" \
+		"$base/releases/$file" \
+		"$base/$rel/$file" \
+	; do
+		if [ -f "$path" -a -r "$path" ]; then
+			cat "$path"
+			return
+		fi
+	done
+	cat "$base/releases/$rel/$file" # Final path to try
+}
+
+############################################################ MAIN
+
+f_dprintf "%s: Successfully loaded." media/common.subr
+
+fi # ! $_MEDIA_COMMON_SUBR