2 * libuci - Library for the Unified Configuration Interface
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 Lesser General Public License version 2.1
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.
16 * This file contains some common code for the uci library
19 #include <sys/types.h>
29 static const char *uci_errstr
[] = {
31 [UCI_ERR_MEM
] = "Out of memory",
32 [UCI_ERR_INVAL
] = "Invalid argument",
33 [UCI_ERR_NOTFOUND
] = "Entry not found",
34 [UCI_ERR_IO
] = "I/O error",
35 [UCI_ERR_PARSE
] = "Parse error",
36 [UCI_ERR_UNKNOWN
] = "Unknown error",
41 * UCI wrapper for malloc, which uses exception handling
43 static void *uci_malloc(struct uci_context
*ctx
, size_t size
)
49 UCI_THROW(ctx
, UCI_ERR_MEM
);
56 * UCI wrapper for realloc, which uses exception handling
58 static void *uci_realloc(struct uci_context
*ctx
, void *ptr
, size_t size
)
60 ptr
= realloc(ptr
, size
);
62 UCI_THROW(ctx
, UCI_ERR_MEM
);
68 * UCI wrapper for strdup, which uses exception handling
70 static char *uci_strdup(struct uci_context
*ctx
, const char *str
)
76 UCI_THROW(ctx
, UCI_ERR_MEM
);
84 /* externally visible functions */
86 struct uci_context
*uci_alloc(void)
88 struct uci_context
*ctx
;
90 ctx
= (struct uci_context
*) malloc(sizeof(struct uci_context
));
91 memset(ctx
, 0, sizeof(struct uci_context
));
92 uci_list_init(&ctx
->root
);
97 void uci_free(struct uci_context
*ctx
)
99 struct uci_config
*cfg
;
102 uci_foreach_entry(config
, &ctx
->root
, cfg
) {
103 uci_drop_config(cfg
);
109 int uci_cleanup(struct uci_context
*ctx
)
112 uci_parse_cleanup(ctx
);
116 void uci_perror(struct uci_context
*ctx
, const char *str
)
125 if ((err
< 0) || (err
>= UCI_ERR_LAST
))
126 err
= UCI_ERR_UNKNOWN
;
131 fprintf(stderr
, "%s: %s (%s) at line %d, byte %d\n", str
, uci_errstr
[err
], (ctx
->pctx
->reason
? ctx
->pctx
->reason
: "unknown"), ctx
->pctx
->line
, ctx
->pctx
->byte
);
136 fprintf(stderr
, "%s: %s\n", str
, uci_errstr
[err
]);