2 * ucimap - library for mapping uci sections into data structures
3 * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
19 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
22 #define BITFIELD_SIZE(_fields) (((_fields) / 8) + 1)
24 #define CLR_BIT(_name, _bit) do { \
25 _name[(_bit) / 8] &= ~(1 << ((_bit) % 8)); \
28 #define SET_BIT(_name, _bit) do { \
29 _name[(_bit) / 8] |= (1 << ((_bit) % 8)); \
32 #define TEST_BIT(_name, _bit) \
33 (_name[(_bit) / 8] & (1 << ((_bit) % 8)))
35 #define UCIMAP_OPTION(_type, _field) \
37 .offset = offsetof(_type, _field)
44 struct uci_sectmap **sections;
45 unsigned int n_sections;
46 struct list_head sdata;
47 struct list_head fixup;
49 void *priv; /* user data */
56 UCIMAP_TYPE = 0xf0, /* type mask */
63 UCIMAP_SUBTYPE = 0xf, /* subtype mask */
71 struct ucimap_list *list;
75 struct list_head list;
76 union ucimap_data data;
80 /* type string for the uci section */
83 /* length of the struct to map into */
84 unsigned int alloc_len;
86 /* give the caller time to initialize the preallocated struct */
87 int (*init)(struct uci_map *map, void *section, struct uci_section *s);
89 /* pass the fully processed struct to the callback after the section end */
90 int (*add)(struct uci_map *map, void *section);
92 /* let the callback clean up its own stuff in the section */
93 int (*free)(struct uci_map *map, void *section);
95 /* list of option mappings for this section */
96 struct uci_optmap *options;
97 unsigned int n_options;
98 unsigned int options_size;
104 enum ucimap_type type;
114 struct uci_sectmap *sm;
120 union ucimap_data item[];
123 extern int ucimap_init(struct uci_map *map);
124 extern void ucimap_cleanup(struct uci_map *map);
125 extern void ucimap_set_changed(void *section, void *field);
126 extern int ucimap_store_section(struct uci_map *map, struct uci_package *p, void *section);
127 extern void ucimap_parse(struct uci_map *map, struct uci_package *pkg);