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 OPTMAP_OPTION(_maptype, _type, _field, ...) \
39 .offset = offsetof(_type, _field), \
47 struct uci_sectmap
*sections
;
48 unsigned int n_sections
;
49 struct list_head sdata
;
51 void *priv
; /* user data */
61 struct uci_sectmap_data
{
62 struct list_head list
;
63 struct uci_sectmap
*sm
;
64 const char *section_name
;
65 unsigned long allocmap_len
;
67 /* list of allocations done by ucimap */
70 /* map for changed fields */
75 /* type string for the uci section */
78 /* length of the struct to map into */
79 unsigned int alloc_len
;
81 /* give the caller time to initialize the preallocated struct */
82 int (*init_section
)(struct uci_map
*map
, void *section
, struct uci_section
*s
);
84 /* pass the fully processed struct to the callback after the section end */
85 int (*add_section
)(struct uci_map
*map
, void *section
);
87 /* let the callback clean up its own stuff in the section */
88 int (*free_section
)(struct uci_map
*map
, void *section
);
90 /* list of option mappings for this section */
91 struct uci_optmap
*options
;
92 unsigned int n_options
;
98 enum ucimap_type type
;
111 extern int ucimap_init(struct uci_map
*map
);
112 extern void ucimap_cleanup(struct uci_map
*map
);
113 extern void ucimap_set_changed(void *section
, void *field
);
114 extern int ucimap_store_section(struct uci_map
*map
, struct uci_package
*p
, void *section
);
115 extern void ucimap_parse(struct uci_map
*map
, struct uci_package
*pkg
);