#ifndef _SEPOL_NODES_H_
#define _SEPOL_NODES_H_
#include <sepol/handle.h>
#include <sepol/policydb.h>
#include <sepol/node_record.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Return the number of nodes */
extern int sepol_node_count(sepol_handle_t * handle,
const sepol_policydb_t * p, unsigned int *response);
/* Check if a node exists */
extern int sepol_node_exists(sepol_handle_t * handle,
const sepol_policydb_t * policydb,
const sepol_node_key_t * key, int *response);
/* Query a node - returns the node, or NULL if not found */
extern int sepol_node_query(sepol_handle_t * handle,
const sepol_policydb_t * policydb,
const sepol_node_key_t * key,
sepol_node_t ** response);
/* Modify a node, or add it, if the key is not found */
extern int sepol_node_modify(sepol_handle_t * handle,
sepol_policydb_t * policydb,
const sepol_node_key_t * key,
const sepol_node_t * data);
/* Iterate the nodes
* The handler may return:
* -1 to signal an error condition,
* 1 to signal successful exit
* 0 to signal continue */
extern int sepol_node_iterate(sepol_handle_t * handle,
const sepol_policydb_t * policydb,
int (*fn) (const sepol_node_t * node,
void *fn_arg), void *arg);
#ifdef __cplusplus
}
#endif
#endif
