Packer.h

/*
 * 
 * created by souzomain
 *
 * */

#ifndef _PACKER_H
#define _PACKER_H

#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>

#ifdef __STDC_IEC_559__
#define FLOAT_SUPPORT
#endif

typedef struct {
    uint8_t *buffer;
    size_t size;
    size_t offset;
} PACKER, *PPACKER;

void        packer_set_alloc_func(void *fn_malloc, void *fn_realloc, void *fn_free);

PPACKER     packer_init();
void        packer_free(PPACKER buf);

uint64_t    packer_get_size(PPACKER buf);
uint8_t*    packer_get_buffer(PPACKER buf);

void        packer_add_int32(PPACKER buf, int32_t value);
int32_t     packer_get_int32(const uint8_t *buffer, uint64_t *offset);

void        packer_add_uint32(PPACKER buf, uint32_t value);
uint32_t    packer_get_uint32(const uint8_t *buffer, uint64_t *offset);

void        packer_add_int64(PPACKER buf, int64_t value);
int64_t     packer_get_int64(const uint8_t *buffer, uint64_t *offset);

void        packer_add_uint64(PPACKER buf, uint64_t value);
uint64_t    packer_get_uint64(const uint8_t *buffer, uint64_t *offset);

void        packer_add_bool(PPACKER buf, bool value);
bool        packer_get_bool(const uint8_t* buffer, uint64_t * offset);

#ifdef FLOAT_SUPPORT
void        packer_add_float(PPACKER buf, float value);
float       packer_get_float(const uint8_t* buffer, uint64_t* offset);
#endif

void        packer_add_data(PPACKER buf, const void *data, uint32_t data_len);
void*       packer_get_data(const uint8_t *buffer, uint32_t* data_len, uint64_t *offset);

void        packer_add_string(PPACKER buf, const char * str);
char*       packer_get_string(const uint8_t* buffer, uint64_t *offset);

void        packer_add_data64(PPACKER buf, const void *data, uint64_t data_len);
void*       packer_get_data64(const uint8_t *buffer, uint64_t* data_len, uint64_t *offset);

void        packer_add_string64(PPACKER buf, const char * str);
char*       packer_get_string64(const uint8_t* buffer, uint64_t *offset);

#endif