af240ce6930f259128e1531a2330495daaad3152
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>
27 static const char *uci_errstr
[] = {
29 [UCI_ERR_MEM
] = "Out of memory",
30 [UCI_ERR_INVAL
] = "Invalid argument",
31 [UCI_ERR_NOTFOUND
] = "Entry not found",
32 [UCI_ERR_IO
] = "I/O error",
33 [UCI_ERR_PARSE
] = "Parse error",
34 [UCI_ERR_UNKNOWN
] = "Unknown error",
39 * UCI wrapper for malloc, which uses exception handling
41 static void *uci_malloc(struct uci_context
*ctx
, size_t size
)
47 UCI_THROW(ctx
, UCI_ERR_MEM
);
54 * UCI wrapper for realloc, which uses exception handling
56 static void *uci_realloc(struct uci_context
*ctx
, void *ptr
, size_t size
)
58 ptr
= realloc(ptr
, size
);
60 UCI_THROW(ctx
, UCI_ERR_MEM
);
66 * UCI wrapper for strdup, which uses exception handling
68 static char *uci_strdup(struct uci_context
*ctx
, const char *str
)
74 UCI_THROW(ctx
, UCI_ERR_MEM
);
82 /* externally visible functions */
84 struct uci_context
*uci_alloc(void)
86 struct uci_context
*ctx
;
88 ctx
= (struct uci_context
*) malloc(sizeof(struct uci_context
));
89 memset(ctx
, 0, sizeof(struct uci_context
));
90 uci_list_init(&ctx
->root
);
95 void uci_free(struct uci_context
*ctx
)
97 struct uci_element
*e
, *tmp
;
100 uci_foreach_element_safe(&ctx
->root
, tmp
, e
) {
101 uci_free_package(uci_to_package(e
));
107 int uci_cleanup(struct uci_context
*ctx
)
110 uci_file_cleanup(ctx
);
114 void uci_perror(struct uci_context
*ctx
, const char *str
)
123 if ((err
< 0) || (err
>= UCI_ERR_LAST
))
124 err
= UCI_ERR_UNKNOWN
;
129 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
);
134 fprintf(stderr
, "%s: %s\n", str
, uci_errstr
[err
]);