Make it easy to check if an address is locally usable via changed get_interface(...

[strongswan.git] / src / libhydra / kernel / kernel_interface.h

diff --git a/src/libhydra/kernel/kernel_interface.h b/src/libhydra/kernel/kernel_interface.h
index 5396dad..842b511 100644 (file)
--- a/src/libhydra/kernel/kernel_interface.h
+++ b/src/libhydra/kernel/kernel_interface.h
@@ -308,9 +308,10 @@ struct kernel_interface_t {
         * Get the interface name of a local address.
         *
         * @param host                  address to get interface name from
-        * @return                              allocated interface name, or NULL if not found
+        * @param name                  allocated interface name (optional)
+        * @return                              TRUE if interface found and usable
         */
-       char* (*get_interface) (kernel_interface_t *this, host_t *host);
+       bool (*get_interface) (kernel_interface_t *this, host_t *host, char **name);
 
        /**
         * Creates an enumerator over all local addresses.