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#pragma once
/**
* helper file for binary data
*
* - fix endianness with functions inspired by UNIX arpa/inet.h
* - convert uint16_t and uint32_t to w2_s_bin
*/
#include <stdint.h>
extern uint8_t g_w2_endianness;
#define W2_T_UINT8_T (0)
#define W2_T_UINT16_T (1)
#define W2_T_UINT32_T (2)
enum w2_e_struct_types {
W2_ST_UINT8_T,
W2_ST_UINT16_T,
W2_ST_UINT32_T,
};
extern const uint8_t W2_STRUCT_T_SIZES[];
typedef struct {
uint16_t bytes;
uint8_t data[];
} w2_s_bin;
/** allocate new w2_s_bin struct and fill with `*data` for `bytes` bytes */
w2_s_bin *w2_bin_s_alloc(uint16_t bytes, uint8_t *data);
typedef struct {
enum w2_e_struct_types type;
uint16_t length;
const uint8_t *data;
} w2_s_struct_property;
typedef struct {
uint16_t length;
w2_s_struct_property *properties[];
} w2_s_property_list;
w2_s_bin *w2_bin_from_uint8_t(uint8_t data);
w2_s_bin *w2_bin_from_uint16_t(uint16_t data);
w2_s_bin *w2_bin_from_uint32_t(uint32_t data);
/** convert 32-bit value from host endian to network (big-endian) */
uint32_t w2_bin_hton32(uint32_t h32);
/** convert 16-bit value from host endian to network (big-endian) */
uint16_t w2_bin_hton16(uint16_t h16);
/** convert 32-bit value from network (big-endian) to host endian */
uint32_t w2_bin_ntoh32(uint32_t n32);
/** convert 16-bit value from network (big-endian) to host endian */
uint16_t w2_bin_ntoh16(uint16_t n16);
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