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
20 #include <sys/types.h>
28 static const char *uci_confdir = UCI_CONFDIR;
29 static const char *uci_savedir = UCI_SAVEDIR;
31 static const char *uci_errstr[] = {
33 [UCI_ERR_MEM] = "Out of memory",
34 [UCI_ERR_INVAL] = "Invalid argument",
35 [UCI_ERR_NOTFOUND] = "Entry not found",
36 [UCI_ERR_IO] = "I/O error",
37 [UCI_ERR_PARSE] = "Parse error",
38 [UCI_ERR_DUPLICATE] = "Duplicate entry",
39 [UCI_ERR_UNKNOWN] = "Unknown error",
42 #include "uci_internal.h"
48 /* exported functions */
49 struct uci_context *uci_alloc_context(void)
51 struct uci_context *ctx;
53 ctx = (struct uci_context *) malloc(sizeof(struct uci_context));
54 memset(ctx, 0, sizeof(struct uci_context));
55 uci_list_init(&ctx->root);
56 uci_list_init(&ctx->history_path);
57 ctx->flags = UCI_FLAG_STRICT;
59 ctx->confdir = (char *) uci_confdir;
60 ctx->savedir = (char *) uci_savedir;
65 void uci_free_context(struct uci_context *ctx)
67 struct uci_element *e, *tmp;
69 if (ctx->confdir != uci_confdir)
71 if (ctx->savedir != uci_savedir)
74 UCI_TRAP_SAVE(ctx, ignore);
77 uci_foreach_element_safe(&ctx->root, tmp, e) {
78 struct uci_package *p = uci_to_package(e);
81 uci_foreach_element_safe(&ctx->history_path, tmp, e) {
85 UCI_TRAP_RESTORE(ctx);
91 int uci_set_confdir(struct uci_context *ctx, const char *dir)
96 UCI_ASSERT(ctx, dir != NULL);
98 cdir = uci_strdup(ctx, dir);
99 if (ctx->confdir != uci_confdir)
105 int uci_cleanup(struct uci_context *ctx)
107 struct uci_parse_context *pctx;
122 uci_free_package(&pctx->package);
132 void uci_perror(struct uci_context *ctx, const char *prefix)
141 if ((err < 0) || (err >= UCI_ERR_LAST))
142 err = UCI_ERR_UNKNOWN;
145 fprintf(stderr, "%s: ", prefix);
147 fprintf(stderr, "%s: ", ctx->func);
152 fprintf(stderr, "%s (%s) at line %d, byte %d\n", uci_errstr[err], (ctx->pctx->reason ? ctx->pctx->reason : "unknown"), ctx->pctx->line, ctx->pctx->byte);
157 fprintf(stderr, "%s\n", uci_errstr[err]);