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]);