New f_show_info() function for dialog(1) --infobox using printf(1) sy…

…ntax.

usr.sbin/bsdconfig/networking/share/device.subr

@@ -436,8 +436,7 @@ f_dialog_menu_netdev_edit()
 	     "$options" != "$options_orig" -o \
 	     "$dhcp"    != "$dhcp_orig" ]
 	then
-		f_dialog_info "$( printf "$msg_saving_network_interface" \
-		                         "$interface" )"
+		f_show_info "$msg_saving_network_interface" "$interface"
 
 		local value=
 		if [ "$dhcp" ]; then
@@ -458,8 +457,7 @@ f_dialog_menu_netdev_edit()
 		f_dialog_yesno "Would you like to bring the $interface" \
 		               "interface up right now?"
 		if [ $? -eq $SUCCESS ]; then
-			f_dialog_info "$( printf "$msg_bring_interface_up" \
-			                         "$interface" )"
+			f_show_info "$msg_bring_interface_up" "$interface"
 
 			local dr="$( f_sysrc_get defaultrouter )" err
 			if [ "$dr" = "NO" -o ! "$dr" ]; then

usr.sbin/bsdconfig/share/common.subr

@@ -136,6 +136,27 @@ f_interrupt()
 	f_die
 }
 
+# f_show_info $fmt [ $opts ... ]
+#
+# Display a message in a dialog infobox using printf(1) syntax.
+#
+f_show_info()
+{
+	local msg
+	msg=$( printf "$@" )
+
+	#
+	# Use f_dialog_infobox from dialog.subr if possible, otherwise fall
+	# back to dialog(1) (without options, making it obvious when using
+	# un-aided system dialog).
+	#
+	if f_have f_dialog_info; then
+		f_dialog_info "$msg"
+	else
+		dialog --infobox "$msg" 0 0
+	fi
+}
+
 # f_show_msg $fmt [ $opts ... ]
 #
 # Display a message in a dialog box using printf(1) syntax.