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
|
/*
* virconf.h: parser for a subset of the Python encoded Xen configuration files
*
* Copyright (C) 2006, 2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "virenum.h"
/**
* virConfType:
* one of the possible type for a value from the configuration file
*
* TODO: we probably need a float too.
*/
typedef enum {
VIR_CONF_NONE = 0, /* undefined */
VIR_CONF_LLONG, /* a long long int */
VIR_CONF_ULLONG, /* an unsigned long long int */
VIR_CONF_STRING, /* a string */
VIR_CONF_LIST, /* a list */
VIR_CONF_LAST, /* sentinel */
} virConfType;
VIR_ENUM_DECL(virConf);
typedef enum {
VIR_CONF_FLAG_VMX_FORMAT = 1, /* allow ':', '.' and '-' in names for compatibility
with VMware VMX configuration file, but restrict
allowed value types to string only */
VIR_CONF_FLAG_LXC_FORMAT = 2, /* allow '.' in names for compatibility with LXC
configuration file, restricts allowed value types
to string only and don't expect quotes for values */
} virConfFlags;
/**
* virConfValue:
* a value from the configuration file
*/
typedef struct _virConfValue virConfValue;
struct _virConfValue {
virConfType type; /* the virConfType */
virConfValue *next; /* next element if in a list */
long long l; /* very long integer */
char *str; /* pointer to 0 terminated string */
virConfValue *list; /* list of a list */
};
/**
* virConf *:
* a pointer to a parsed configuration file
*/
typedef struct _virConf virConf;
typedef int (*virConfWalkCallback)(const char* name,
virConfValue *value,
void *opaque);
virConf *virConfNew(void);
virConf *virConfReadFile(const char *filename, unsigned int flags);
virConf *virConfReadString(const char *memory,
unsigned int flags);
int virConfFree(virConf *conf);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(virConf, virConfFree);
void virConfFreeValue(virConfValue *val);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(virConfValue, virConfFreeValue);
virConfValue *virConfGetValue(virConf *conf,
const char *setting);
virConfType virConfGetValueType(virConf *conf,
const char *setting);
int virConfGetValueString(virConf *conf,
const char *setting,
char **value);
int virConfGetValueStringList(virConf *conf,
const char *setting,
bool compatString,
char ***values);
int virConfGetValueBool(virConf *conf,
const char *setting,
bool *value);
int virConfGetValueInt(virConf *conf,
const char *setting,
int *value);
int virConfGetValueUInt(virConf *conf,
const char *setting,
unsigned int *value);
int virConfGetValueSizeT(virConf *conf,
const char *setting,
size_t *value);
int virConfGetValueSSizeT(virConf *conf,
const char *setting,
ssize_t *value);
int virConfGetValueLLong(virConf *conf,
const char *setting,
long long *value);
int virConfGetValueULLong(virConf *conf,
const char *setting,
unsigned long long *value);
int virConfSetValue(virConf *conf,
const char *setting,
virConfValue **value);
int virConfWalk(virConf *conf,
virConfWalkCallback callback,
void *opaque);
int virConfWriteFile(const char *filename,
virConf *conf);
int virConfWriteMem(char *memory,
int *len,
virConf *conf);
int virConfLoadConfig(virConf **conf, const char *name);
|