1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* libuci - Library for the Unified Configuration Interface
* Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* This file contains some common code for the uci library
*/
#include <sys/types.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "uci.h"
#define DEBUG
#include "err.h"
static const char *uci_errstr[] = {
[UCI_OK] = "Success",
[UCI_ERR_MEM] = "Out of memory",
[UCI_ERR_INVAL] = "Invalid argument",
[UCI_ERR_NOTFOUND] = "Entry not found",
[UCI_ERR_IO] = "I/O error",
[UCI_ERR_PARSE] = "Parse error",
[UCI_ERR_UNKNOWN] = "Unknown error",
};
/*
* UCI wrapper for malloc, which uses exception handling
*/
static void *uci_malloc(struct uci_context *ctx, size_t size)
{
void *ptr;
ptr = malloc(size);
if (!ptr)
UCI_THROW(ctx, UCI_ERR_MEM);
memset(ptr, 0, size);
return ptr;
}
/*
* UCI wrapper for realloc, which uses exception handling
*/
static void *uci_realloc(struct uci_context *ctx, void *ptr, size_t size)
{
ptr = realloc(ptr, size);
if (!ptr)
UCI_THROW(ctx, UCI_ERR_MEM);
return ptr;
}
/*
* UCI wrapper for strdup, which uses exception handling
*/
static char *uci_strdup(struct uci_context *ctx, const char *str)
{
char *ptr;
ptr = strdup(str);
if (!ptr)
UCI_THROW(ctx, UCI_ERR_MEM);
return ptr;
}
#include "list.c"
#include "parse.c"
/* externally visible functions */
struct uci_context *uci_alloc(void)
{
struct uci_context *ctx;
ctx = (struct uci_context *) malloc(sizeof(struct uci_context));
memset(ctx, 0, sizeof(struct uci_context));
uci_list_init(&ctx->root);
return ctx;
}
void uci_free(struct uci_context *ctx)
{
struct uci_config *cfg;
uci_cleanup(ctx);
uci_foreach_entry(config, &ctx->root, cfg) {
uci_drop_config(cfg);
}
free(ctx);
return;
}
int uci_cleanup(struct uci_context *ctx)
{
UCI_HANDLE_ERR(ctx);
uci_parse_cleanup(ctx);
return 0;
}
void uci_perror(struct uci_context *ctx, const char *str)
{
int err;
if (!ctx)
err = UCI_ERR_INVAL;
else
err = ctx->errno;
if ((err < 0) || (err >= UCI_ERR_LAST))
err = UCI_ERR_UNKNOWN;
switch (err) {
case UCI_ERR_PARSE:
if (ctx->pctx) {
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);
break;
}
/* fall through */
default:
fprintf(stderr, "%s: %s\n", str, uci_errstr[err]);
break;
}
}
|
