Split dialog(1)-based validators for hostname/netmask into two, providing

transparent validators that can be used free of dialog(1) where needed.

Syntax/return of the original dialog(1)-based validators remains unchanged.

1 files changed, 33 insertions, 10 deletions

diff --git a/usr.sbin/bsdconfig/networking/share/netmask.subr b/usr.sbin/bsdconfig/networking/share/netmask.subr
index c120621..4b28743 100644
--- a/usr.sbin/bsdconfig/networking/share/netmask.subr
+++ b/usr.sbin/bsdconfig/networking/share/netmask.subr
@@ -69,7 +69,7 @@ f_ifconfig_netmask()
 	echo $netmask
 }
 
-# f_dialog_validate_netmask $netmask
+# f_validate_netmask $netmask
 #
 # Returns zero if the given argument (a subnet mask) is of the proper format.
 #
@@ -85,10 +85,7 @@ f_ifconfig_netmask()
 # 	 	invalid integer (only 0,128,192,224,240,248,252,254,255 are
 # 	 	valid integers).
 #
-# If the subnet mask is determined to be invalid, the appropriate error will be
-# displayed using the f_dialog_msgbox function.
-#
-f_dialog_validate_netmask()
+f_validate_netmask()
 {
 	local mask="$1"
 
@@ -121,18 +118,44 @@ f_dialog_validate_netmask()
 
 		[ $nfields -eq 4 ] || exit 4
 	)
+}
 
-	#
-	# Produce an appropriate error message if necessary.
-	#
-	local retval=$?
-	case $retval in
+# f_dialog_maskerror $error $netmask
+#
+# Display a msgbox with the appropriate error message for an error returned by
+# the f_validate_netmask function.
+#
+f_dialog_maskerror()
+{
+	local error="$1" netmask="$2"
+
+	[ ${error:-0} -ne 0 ] || return $SUCCESS
+
+	case "$error" in
 	1) f_show_msg "$msg_ipv4_mask_field_contains_invalid_chars" "$mask";;
 	2) f_show_msg "$msg_ipv4_mask_field_is_null" "$mask";;
 	3) f_show_msg "$msg_ipv4_mask_field_exceeds_max_value" "$mask";;
 	4) f_show_msg "$msg_ipv4_mask_field_missing_or_extra" "$mask";;
 	5) f_show_msg "$msg_ipv4_mask_field_invalid_value" "$mask";;
 	esac
+}
+
+# f_dialog_validate_netmask $netmask
+#
+# Returns zero if the given argument (a subnet mask) is of the proper format.
+#
+# If the subnet mask is determined to be invalid, the appropriate error will be
+# displayed using the f_dialog_maskerror function above.
+#
+f_dialog_validate_netmask()
+{
+	local netmask="$1"
+
+	f_validate_netmask "$netmask"
+	local retval=$?
+
+	# Produce an appropriate error message if necessary.
+	[ $retval -eq $SUCCESS ] || f_dialog_maskerror $retval "$netmask"
 
 	return $retval
 }