#ifndef BSWAP_H#define BSWAP_H#include "config-host.h"#include <inttypes.h>#ifdef HAVE_BYTESWAP_H#include <byteswap.h>#else#define bswap_16(x) \({ \	uint16_t __x = (x); \	((uint16_t)( \		(((uint16_t)(__x) & (uint16_t)0x00ffU) << 8) | \		(((uint16_t)(__x) & (uint16_t)0xff00U) >> 8) )); \})#define bswap_32(x) \({ \	uint32_t __x = (x); \	((uint32_t)( \		(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \		(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) <<  8) | \		(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >>  8) | \		(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \})#define bswap_64(x) \({ \	uint64_t __x = (x); \	((uint64_t)( \		(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000000000ffULL) << 56) | \		(uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000000000ff00ULL) << 40) | \		(uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000000000ff0000ULL) << 24) | \		(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00000000ff000000ULL) <<  8) | \	        (uint64_t)(((uint64_t)(__x) & (uint64_t)0x000000ff00000000ULL) >>  8) | \		(uint64_t)(((uint64_t)(__x) & (uint64_t)0x0000ff0000000000ULL) >> 24) | \		(uint64_t)(((uint64_t)(__x) & (uint64_t)0x00ff000000000000ULL) >> 40) | \		(uint64_t)(((uint64_t)(__x) & (uint64_t)0xff00000000000000ULL) >> 56) )); \})#endif /* !HAVE_BYTESWAP_H */static inline uint16_t bswap16(uint16_t x){    return bswap_16(x);}static inline uint32_t bswap32(uint32_t x){    return bswap_32(x);}static inline uint64_t bswap64(uint64_t x){    return bswap_64(x);}static inline void bswap16s(uint16_t *s){    *s = bswap16(*s);}static inline void bswap32s(uint32_t *s){    *s = bswap32(*s);}static inline void bswap64s(uint64_t *s){    *s = bswap64(*s);}#if defined(WORDS_BIGENDIAN)#define be_bswap(v, size) (v)#define le_bswap(v, size) bswap ## size(v)#define be_bswaps(v, size)#define le_bswaps(p, size) *p = bswap ## size(*p);#else#define le_bswap(v, size) (v)#define be_bswap(v, size) bswap ## size(v)#define le_bswaps(v, size)#define be_bswaps(p, size) *p = bswap ## size(*p);#endif#define CPU_CONVERT(endian, size, type)\static inline type endian ## size ## _to_cpu(type v)\{\    return endian ## _bswap(v, size);\}\\static inline type cpu_to_ ## endian ## size(type v)\{\    return endian ## _bswap(v, size);\}\\static inline void endian ## size ## _to_cpus(type *p)\{\    endian ## _bswaps(p, size)\}\\static inline void cpu_to_ ## endian ## size ## s(type *p)\{\    endian ## _bswaps(p, size)\}\\static inline type endian ## size ## _to_cpup(const type *p)\{\    return endian ## size ## _to_cpu(*p);\}\\static inline void cpu_to_ ## endian ## size ## w(type *p, type v)\{\     *p = cpu_to_ ## endian ## size(v);\}CPU_CONVERT(be, 16, uint16_t)CPU_CONVERT(be, 32, uint32_t)CPU_CONVERT(be, 64, uint64_t)CPU_CONVERT(le, 16, uint16_t)CPU_CONVERT(le, 32, uint32_t)CPU_CONVERT(le, 64, uint64_t)/* unaligned versions (optimized for frequent unaligned accesses)*/#if defined(__i386__) || defined(__powerpc__)#define cpu_to_le16wu(p, v) cpu_to_le16w(p, v)#define cpu_to_le32wu(p, v) cpu_to_le32w(p, v)#define le16_to_cpupu(p) le16_to_cpup(p)#define le32_to_cpupu(p) le32_to_cpup(p)#define cpu_to_be16wu(p, v) cpu_to_be16w(p, v)#define cpu_to_be32wu(p, v) cpu_to_be32w(p, v)#elsestatic inline void cpu_to_le16wu(uint16_t *p, uint16_t v){    uint8_t *p1 = (uint8_t *)p;    p1[0] = v;    p1[1] = v >> 8;}static inline void cpu_to_le32wu(uint32_t *p, uint32_t v){    uint8_t *p1 = (uint8_t *)p;    p1[0] = v;    p1[1] = v >> 8;    p1[2] = v >> 16;    p1[3] = v >> 24;}static inline uint16_t le16_to_cpupu(const uint16_t *p){    const uint8_t *p1 = (const uint8_t *)p;    return p1[0] | (p1[1] << 8);}static inline uint32_t le32_to_cpupu(const uint32_t *p){    const uint8_t *p1 = (const uint8_t *)p;    return p1[0] | (p1[1] << 8) | (p1[2] << 16) | (p1[3] << 24);}static inline void cpu_to_be16wu(uint16_t *p, uint16_t v){    uint8_t *p1 = (uint8_t *)p;    p1[0] = v >> 8;    p1[1] = v;}static inline void cpu_to_be32wu(uint32_t *p, uint32_t v){    uint8_t *p1 = (uint8_t *)p;    p1[0] = v >> 24;    p1[1] = v >> 16;    p1[2] = v >> 8;    p1[3] = v;}#endif#ifdef WORDS_BIGENDIAN#define cpu_to_32wu cpu_to_be32wu#else#define cpu_to_32wu cpu_to_le32wu#endif#undef le_bswap#undef be_bswap#undef le_bswaps#undef be_bswaps#endif /* BSWAP_H */