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/*
* Copyright (C) 2000-2022 Free Software Foundation, Inc.
*
* This file is part of LIBTASN1.
*
* The LIBTASN1 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#ifndef _PARSER_AUX_H
# define _PARSER_AUX_H
/***********************************************/
/* Type: list_type */
/* Description: type used in the list during */
/* the structure creation. */
/***********************************************/
typedef struct list_struct
{
asn1_node node;
struct list_struct *next;
} list_type;
/***************************************/
/* Functions used by ASN.1 parser */
/***************************************/
asn1_node _asn1_add_static_node (list_type ** e_list, unsigned int type);
void _asn1_delete_list (list_type * e_list);
void _asn1_delete_list_and_nodes (list_type * e_list);
void _asn1_delete_node_from_list (list_type * list, asn1_node node);
asn1_node
_asn1_set_value (asn1_node node, const void *value, unsigned int len);
asn1_node _asn1_set_value_m (asn1_node node, void *value, unsigned int len);
asn1_node
_asn1_set_value_lv (asn1_node node, const void *value, unsigned int len);
asn1_node
_asn1_append_value (asn1_node node, const void *value, unsigned int len);
asn1_node _asn1_set_name (asn1_node node, const char *name);
asn1_node _asn1_cpy_name (asn1_node dst, asn1_node_const src);
asn1_node _asn1_set_right (asn1_node node, asn1_node right);
asn1_node _asn1_get_last_right (asn1_node_const node);
void _asn1_remove_node (asn1_node node, unsigned int flags);
/* Max 64-bit integer length is 20 chars + 1 for sign + 1 for null termination */
# define LTOSTR_MAX_SIZE 22
char *_asn1_ltostr (int64_t v, char str[LTOSTR_MAX_SIZE]);
asn1_node _asn1_find_up (asn1_node_const node);
int _asn1_change_integer_value (asn1_node node);
# define EXPAND_OBJECT_ID_MAX_RECURSION 16
int _asn1_expand_object_id (list_type ** list, asn1_node node);
int _asn1_type_set_config (asn1_node node);
int _asn1_check_identifier (asn1_node_const node);
int _asn1_set_default_tag (asn1_node node);
/******************************************************************/
/* Function : _asn1_get_right */
/* Description: returns the element pointed by the RIGHT field of */
/* a NODE_ASN element. */
/* Parameters: */
/* node: NODE_ASN element pointer. */
/* Return: field RIGHT of NODE. */
/******************************************************************/
inline static asn1_node
_asn1_get_right (asn1_node_const node)
{
if (node == NULL)
return NULL;
return node->right;
}
/******************************************************************/
/* Function : _asn1_set_down */
/* Description: sets the field DOWN in a NODE_ASN element. */
/* Parameters: */
/* node: element pointer. */
/* down: pointer to a NODE_ASN element that you want be pointed */
/* by NODE. */
/* Return: pointer to *NODE. */
/******************************************************************/
inline static asn1_node
_asn1_set_down (asn1_node node, asn1_node down)
{
if (node == NULL)
return node;
node->down = down;
if (down)
down->left = node;
return node;
}
/******************************************************************/
/* Function : _asn1_get_down */
/* Description: returns the element pointed by the DOWN field of */
/* a NODE_ASN element. */
/* Parameters: */
/* node: NODE_ASN element pointer. */
/* Return: field DOWN of NODE. */
/******************************************************************/
inline static asn1_node
_asn1_get_down (asn1_node_const node)
{
if (node == NULL)
return NULL;
return node->down;
}
/******************************************************************/
/* Function : _asn1_get_name */
/* Description: returns the name of a NODE_ASN element. */
/* Parameters: */
/* node: NODE_ASN element pointer. */
/* Return: a null terminated string. */
/******************************************************************/
inline static char *
_asn1_get_name (asn1_node_const node)
{
if (node == NULL)
return NULL;
return (char *) node->name;
}
/******************************************************************/
/* Function : _asn1_mod_type */
/* Description: change the field TYPE of an NODE_ASN element. */
/* The new value is the old one | (bitwise or) the */
/* paramener VALUE. */
/* Parameters: */
/* node: NODE_ASN element pointer. */
/* value: the integer value that must be or-ed with the current */
/* value of field TYPE. */
/* Return: NODE pointer. */
/******************************************************************/
inline static asn1_node
_asn1_mod_type (asn1_node node, unsigned int value)
{
if (node == NULL)
return node;
node->type |= value;
return node;
}
#endif
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