add copyright headers

[project/netifd.git] / config.h

diff --git a/config.h b/config.h
index 49a81e4..c5e4200 100644 (file)
--- a/config.h
+++ b/config.h
@@ -1,8 +1,23 @@
+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program 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.
+ */
 #ifndef __NETIFD_CONFIG_H
 #define __NETIFD_CONFIG_H
 
 #include <libubox/blobmsg.h>
 
+extern bool config_init;
+
 enum config_param_type {
        CONFIG_PARAM_TYPE_SIMPLE,
        CONFIG_PARAM_TYPE_LIST,
@@ -23,12 +38,26 @@ struct config_param_list {
        const struct config_param_list *next[];
 };
 
-struct config_state {
-       struct blob_attr *data;
-       unsigned int version;
-};
+#ifndef BITS_PER_LONG
+#define BITS_PER_LONG (8 * sizeof(unsigned long))
+#endif
+
+static inline void set_bit(unsigned long *bits, int bit)
+{
+       bits[bit / BITS_PER_LONG] |= (1UL << (bit % BITS_PER_LONG));
+}
+
+static inline bool test_bit(unsigned long *bits, int bit)
+{
+       return !!(bits[bit / BITS_PER_LONG] & (1UL << (bit % BITS_PER_LONG)));
+}
 
-void config_set_state(struct config_state *state, struct blob_attr *attr);
+void config_init_all(void);
+bool config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
+                       const struct config_param_list *config);
+bool config_diff(struct blob_attr **tb1, struct blob_attr **tb2,
+                const struct config_param_list *config, unsigned long *diff);
 
+struct blob_attr *config_memdup(struct blob_attr *attr);
 
 #endif