byteswap.h
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#pragma once
#include <stdint.h>
#include <osmocom/core/endian.h>
static inline uint32_t osmo_swab32(uint32_t in)
{
uint32_t out;
out = (in & 0xff) << 24;
out |= (in & 0xff00) << 8;
out |= (in & 0xff0000) >> 8;
out |= (in & 0xff000000) >> 24;
return out;
}
static inline uint16_t osmo_swab16(uint16_t in)
{
uint16_t out;
out = (in & 0xff) << 8;
out |= (in & 0xff00) >> 8;
return out;
}
#if OSMO_IS_LITTLE_ENDIAN == 1
#define osmo_ntohl(x) osmo_swab32(x)
#define osmo_ntohs(x) osmo_swab16(x)
#define osmo_htonl(x) osmo_swab32(x)
#define osmo_htons(x) osmo_swab16(x)
#else
#define osmo_ntohl(x) (x)
#define osmo_ntohs(x) (x)
#define osmo_htonl(x) (x)
#define osmo_htons(x) (x)
#endif
osmo_swab32
static uint32_t osmo_swab32(uint32_t in)
byte-swap a 32bit word
Definition: byteswap.h:10
osmo_swab16
static uint16_t osmo_swab16(uint16_t in)
byte-swap a 16bit word
Definition: byteswap.h:25
endian.h
GNU and FreeBSD have various ways to express the endianess but none of them is similiar enough.