mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-09-24 16:35:44 +00:00
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
|
|
* sexpr.h : S-Expression interfaces needed to communicate with the Xen Daemon
|
|
*
|
|
* Copyright (C) 2005
|
|
*
|
|
* Anthony Liguori <aliguori@us.ibm.com>
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser General
|
|
* Public License. See the file COPYING.LIB in the main directory of this
|
|
* archive for more details.
|
|
*/
|
|
|
|
#ifndef _LIBVIR_SEXPR_H_
|
|
# define _LIBVIR_SEXPR_H_
|
|
|
|
# include "internal.h"
|
|
# include "buf.h"
|
|
|
|
# include <sys/types.h>
|
|
# include <stdint.h>
|
|
|
|
enum sexpr_type {
|
|
SEXPR_NIL,
|
|
SEXPR_CONS,
|
|
SEXPR_VALUE,
|
|
};
|
|
|
|
struct sexpr {
|
|
enum sexpr_type kind;
|
|
union {
|
|
struct {
|
|
struct sexpr *car;
|
|
struct sexpr *cdr;
|
|
} s;
|
|
char *value;
|
|
} u;
|
|
};
|
|
|
|
/* conversion to/from strings */
|
|
int sexpr2string(const struct sexpr *sexpr, virBufferPtr buffer);
|
|
struct sexpr *string2sexpr(const char *buffer);
|
|
|
|
/* constructors and destructors */
|
|
struct sexpr *sexpr_nil(void);
|
|
struct sexpr *sexpr_string(const char *str, ssize_t len);
|
|
struct sexpr *sexpr_cons(const struct sexpr *car, const struct sexpr *cdr);
|
|
struct sexpr *sexpr_append(struct sexpr *lst, const struct sexpr *item);
|
|
void sexpr_free(struct sexpr *sexpr);
|
|
|
|
/* lookup in S-Expressions */
|
|
const char *sexpr_node(const struct sexpr *sexpr, const char *node);
|
|
int sexpr_node_copy(const struct sexpr *sexpr, const char *node, char **dst);
|
|
const char *sexpr_fmt_node(const struct sexpr *sexpr, const char *fmt, ...)
|
|
ATTRIBUTE_FMT_PRINTF(2,3);
|
|
struct sexpr *sexpr_lookup(const struct sexpr *sexpr, const char *node);
|
|
int sexpr_has(const struct sexpr *sexpr, const char *node);
|
|
|
|
int sexpr_int(const struct sexpr *sexpr, const char *name);
|
|
double sexpr_float(const struct sexpr *sexpr, const char *name);
|
|
uint64_t sexpr_u64(const struct sexpr *sexpr, const char *name);
|
|
|
|
#endif
|