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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include <endian.h>
#include <stdint.h>
/* BE */
static inline uint16_t
unaligned_read_be16(const void *_u)
{
const struct __attribute__((__packed__, __may_alias__)) {
uint16_t x;
} *u = _u;
return be16toh(u->x);
}
static inline uint32_t
unaligned_read_be32(const void *_u)
{
const struct __attribute__((__packed__, __may_alias__)) {
uint32_t x;
} *u = _u;
return be32toh(u->x);
}
static inline uint64_t
unaligned_read_be64(const void *_u)
{
const struct __attribute__((__packed__, __may_alias__)) {
uint64_t x;
} *u = _u;
return be64toh(u->x);
}
static inline void
unaligned_write_be16(void *_u, uint16_t a)
{
struct __attribute__((__packed__, __may_alias__)) {
uint16_t x;
} *u = _u;
u->x = be16toh(a);
}
static inline void
unaligned_write_be32(void *_u, uint32_t a)
{
struct __attribute__((__packed__, __may_alias__)) {
uint32_t x;
} *u = _u;
u->x = be32toh(a);
}
static inline void
unaligned_write_be64(void *_u, uint64_t a)
{
struct __attribute__((__packed__, __may_alias__)) {
uint64_t x;
} *u = _u;
u->x = be64toh(a);
}
/* LE */
static inline uint16_t
unaligned_read_le16(const void *_u)
{
const struct __attribute__((__packed__, __may_alias__)) {
uint16_t x;
} *u = _u;
return le16toh(u->x);
}
static inline uint32_t
unaligned_read_le32(const void *_u)
{
const struct __attribute__((__packed__, __may_alias__)) {
uint32_t x;
} *u = _u;
return le32toh(u->x);
}
static inline uint64_t
unaligned_read_le64(const void *_u)
{
const struct __attribute__((__packed__, __may_alias__)) {
uint64_t x;
} *u = _u;
return le64toh(u->x);
}
static inline void
unaligned_write_le16(void *_u, uint16_t a)
{
struct __attribute__((__packed__, __may_alias__)) {
uint16_t x;
} *u = _u;
u->x = le16toh(a);
}
static inline void
unaligned_write_le32(void *_u, uint32_t a)
{
struct __attribute__((__packed__, __may_alias__)) {
uint32_t x;
} *u = _u;
u->x = le32toh(a);
}
static inline void
unaligned_write_le64(void *_u, uint64_t a)
{
struct __attribute__((__packed__, __may_alias__)) {
uint64_t x;
} *u = _u;
u->x = le64toh(a);
}
#if __BYTE_ORDER == __BIG_ENDIAN
#define unaligned_read_ne16 unaligned_read_be16
#define unaligned_read_ne32 unaligned_read_be32
#define unaligned_read_ne64 unaligned_read_be64
#define unaligned_write_ne16 unaligned_write_be16
#define unaligned_write_ne32 unaligned_write_be32
#define unaligned_write_ne64 unaligned_write_be64
#else
#define unaligned_read_ne16 unaligned_read_le16
#define unaligned_read_ne32 unaligned_read_le32
#define unaligned_read_ne64 unaligned_read_le64
#define unaligned_write_ne16 unaligned_write_le16
#define unaligned_write_ne32 unaligned_write_le32
#define unaligned_write_ne64 unaligned_write_le64
#endif
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