/*
* jit-varint.h - Variable length integer encoding.
*
* Copyright (C) 2011 Aleksey Demakov
*
* The libjit 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.
*
* The libjit 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 the libjit library. If not, see
* .
*/
#ifndef _JIT_VARINT_H
#define _JIT_VARINT_H
#ifdef __cplusplus
extern "C" {
#endif
#define JIT_VARINT_BUFFER_SIZE 500
typedef struct jit_varint_data *jit_varint_data_t;
struct jit_varint_data
{
jit_varint_data_t next;
unsigned char data[];
};
typedef struct jit_varint_encoder jit_varint_encoder_t;
struct jit_varint_encoder
{
unsigned char buf[JIT_VARINT_BUFFER_SIZE];
int len;
jit_varint_data_t data;
jit_varint_data_t last;
};
typedef struct jit_varint_decoder jit_varint_decoder_t;
struct jit_varint_decoder
{
jit_varint_data_t data;
int len;
int end;
};
void _jit_varint_init_encoder(jit_varint_encoder_t *encoder);
void _jit_varint_init_decoder(jit_varint_decoder_t *decoder, jit_varint_data_t data);
int _jit_varint_encode_end(jit_varint_encoder_t *encoder);
int _jit_varint_encode_uint(jit_varint_encoder_t *encoder, jit_uint value);
jit_varint_data_t _jit_varint_get_data(jit_varint_encoder_t *encoder);
void _jit_varint_free_data(jit_varint_data_t data);
int _jit_varint_decode_end(jit_varint_decoder_t *decoder);
jit_uint _jit_varint_decode_uint(jit_varint_decoder_t *decoder);
#ifdef __cplusplus
}
#endif
#endif /* _JIT_VARINT_H */