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/*
** Zabbix
** Copyright (C) 2001-2019 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** 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.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#ifndef ZABBIX_SERIALIZE_H
#define ZABBIX_SERIALIZE_H
#include "common.h"
#define zbx_serialize_prepare_str(len, str) \
str##_len = (NULL != str ? strlen(str) + 1 : 0); \
len += str##_len + sizeof(zbx_uint32_t)
#define zbx_serialize_prepare_value(len, value) \
len += sizeof(value)
#define zbx_serialize_uint64(buffer, value) (memcpy(buffer, &value, sizeof(zbx_uint64_t)), sizeof(zbx_uint64_t))
#define zbx_serialize_int(buffer, value) (memcpy(buffer, (int *)&value, sizeof(int)), sizeof(int))
#define zbx_serialize_short(buffer, value) (memcpy(buffer, (short *)&value, sizeof(short)), sizeof(short))
#define zbx_serialize_double(buffer, value) (memcpy(buffer, (double *)&value, sizeof(double)), sizeof(double))
#define zbx_serialize_char(buffer, value) (*buffer = (char)value, sizeof(char))
#define zbx_serialize_str_null(buffer) \
( \
memset(buffer, 0, sizeof(zbx_uint32_t)), \
sizeof(zbx_uint32_t) \
)
#define zbx_serialize_str(buffer, value, len) \
( \
0 == len ? zbx_serialize_str_null(buffer) : \
( \
memcpy(buffer, (zbx_uint32_t *)&len, sizeof(zbx_uint32_t)), \
memcpy(buffer + sizeof(zbx_uint32_t), value, len), \
len + sizeof(zbx_uint32_t) \
) \
)
#define zbx_serialize_value(buffer, value) (memcpy(buffer, &value, sizeof(value)), sizeof(value))
/* deserialization of primitive types */
#define zbx_deserialize_uint64(buffer, value) \
(memcpy(value, buffer, sizeof(zbx_uint64_t)), sizeof(zbx_uint64_t))
#define zbx_deserialize_int(buffer, value) \
(memcpy(value, buffer, sizeof(int)), sizeof(int))
#define zbx_deserialize_short(buffer, value) \
(memcpy(value, buffer, sizeof(short)), sizeof(short))
#define zbx_deserialize_char(buffer, value) \
(*value = *buffer, sizeof(char))
#define zbx_deserialize_double(buffer, value) \
(memcpy(value, buffer, sizeof(double)), sizeof(double))
#define zbx_deserialize_str(buffer, value, value_len) \
( \
memcpy(&value_len, buffer, sizeof(zbx_uint32_t)), \
0 < value_len ? ( \
*value = (char *)zbx_malloc(NULL, value_len + 1), \
memcpy(*(value), buffer + sizeof(zbx_uint32_t), value_len), \
(*value)[value_len] = '\0' \
) : (*value = NULL, 0), \
value_len + sizeof(zbx_uint32_t) \
)
#define zbx_deserialize_str_s(buffer, value, value_len) \
( \
memcpy(&value_len, buffer, sizeof(zbx_uint32_t)), \
memcpy(value, buffer + sizeof(zbx_uint32_t), value_len), \
value[value_len] = '\0', \
value_len + sizeof(zbx_uint32_t) \
)
#define zbx_deserialize_str_ptr(buffer, value, value_len) \
( \
memcpy(&value_len, buffer, sizeof(zbx_uint32_t)), \
0 < value_len ? (value = (char *)(buffer + sizeof(zbx_uint32_t))) : \
(value = NULL), value_len + sizeof(zbx_uint32_t) \
)
#define zbx_deserialize_value(buffer, value) \
(memcpy(value, buffer, sizeof(*value)), sizeof(*value))
#endif /* ZABBIX_SERIALIZE_H */
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