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/*
* tlv.h
* Simple TLV implementation.
*
* Copyright (c) 2021 Nikias Bassen, All Rights Reserved.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __TLV_H
#define __TLV_H
#include <stdint.h>
#include <libimobiledevice-glue/glue.h>
struct tlv_buf {
unsigned char* data;
unsigned int length;
unsigned int capacity;
};
typedef struct tlv_buf* tlv_buf_t;
LIMD_GLUE_API tlv_buf_t tlv_buf_new();
LIMD_GLUE_API void tlv_buf_free(tlv_buf_t tlv);
LIMD_GLUE_API void tlv_buf_append(tlv_buf_t tlv, uint8_t tag, unsigned int length, void* data);
LIMD_GLUE_API unsigned char* tlv_get_data_ptr(const void* tlv_data, void* tlv_end, uint8_t tag, uint8_t* length);
LIMD_GLUE_API int tlv_data_get_uint(const void* tlv_data, unsigned int tlv_length, uint8_t tag, uint64_t* value);
LIMD_GLUE_API int tlv_data_get_uint8(const void* tlv_data, unsigned int tlv_length, uint8_t tag, uint8_t* value);
LIMD_GLUE_API int tlv_data_copy_data(const void* tlv_data, unsigned int tlv_length, uint8_t tag, void** out, unsigned int* out_len);
#endif /* __TLV_H */
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