ESP-IDF
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Outline
#define _ENDIAN_H_
#include <stdint.h>
#include <sys/types.h>
#include "byteswap.h"
#define BIG_ENDIAN
#define LITTLE_ENDIAN
#define BYTE_ORDER
#define BYTE_ORDER
#define _UINT8_T_DECLARED
#define _UINT8_T_DECLARED
#define _UINT16_T_DECLARED
#define _UINT16_T_DECLARED
#define _UINT32_T_DECLARED
#define _UINT32_T_DECLARED
#define _UINT64_T_DECLARED
#define _UINT64_T_DECLARED
#define bswap16
#define bswap32
#define bswap64
#define htobe16
#define htobe32
#define htobe64
#define htole16
#define htole32
#define htole64
#define be16toh
#define be32toh
#define be64toh
#define le16toh
#define le32toh
#define le64toh
#define htobe16
#define htobe32
#define htobe64
#define htole16
#define htole32
#define htole64
#define be16toh
#define be32toh
#define be64toh
#define le16toh
#define le32toh
#define le64toh
#define INLINE
be16dec(const void *)
be32dec(const void *)
be64dec(const void *)
le16dec(const void *)
le32dec(const void *)
le64dec(const void *)
be16enc(void *, uint16_t)
be32enc(void *, uint32_t)
be64enc(void *, uint64_t)
le16enc(void *, uint16_t)
le32enc(void *, uint32_t)
le64enc(void *, uint64_t)
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/wpa_supplicant/port/include/endian.h
 
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/*- * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ *//* ... */ #ifndef _ENDIAN_H_ #define _ENDIAN_H_ #include <stdint.h> #include <sys/types.h> #include "byteswap.h" #ifndef BIG_ENDIAN #define BIG_ENDIAN 4321 #endif #ifndef LITTLE_ENDIAN #define LITTLE_ENDIAN 1234 #endif #ifndef BYTE_ORDER #ifdef __IEEE_LITTLE_ENDIAN #define BYTE_ORDER LITTLE_ENDIAN #else #define BYTE_ORDER BIG_ENDIAN #endif/* ... */ #endif #define _UINT8_T_DECLARED #ifndef _UINT8_T_DECLARED typedef __uint8_t uint8_t; #define _UINT8_T_DECLARED/* ... */ #endif #define _UINT16_T_DECLARED #ifndef _UINT16_T_DECLARED typedef __uint16_t uint16_t; #define _UINT16_T_DECLARED/* ... */ #endif #define _UINT32_T_DECLARED #ifndef _UINT32_T_DECLARED typedef __uint32_t uint32_t; #define _UINT32_T_DECLARED/* ... */ #endif #define _UINT64_T_DECLARED #ifndef _UINT64_T_DECLARED typedef __uint64_t uint64_t; #define _UINT64_T_DECLARED/* ... */ #endif /* * General byte order swapping functions. *//* ... */ #define bswap16(x) __bswap16(x) #define bswap32(x) __bswap32(x) #define bswap64(x) __bswap64(x) /* * Host to big endian, host to little endian, big endian to host, and little * endian to host byte order functions as detailed in byteorder(9). *//* ... */ #if BYTE_ORDER == _LITTLE_ENDIAN #define htobe16(x) bswap16((x)) #define htobe32(x) bswap32((x)) #define htobe64(x) bswap64((x)) #define htole16(x) ((uint16_t)(x)) #define htole32(x) ((uint32_t)(x)) #define htole64(x) ((uint64_t)(x)) #define be16toh(x) bswap16((x)) #define be32toh(x) bswap32((x)) #define be64toh(x) bswap64((x)) #define le16toh(x) ((uint16_t)(x)) #define le32toh(x) ((uint32_t)(x)) #define le64toh(x) ((uint64_t)(x))12 defines /* ... */ #else /* _BYTE_ORDER != _LITTLE_ENDIAN */ #define htobe16(x) ((uint16_t)(x)) #define htobe32(x) ((uint32_t)(x)) #define htobe64(x) ((uint64_t)(x)) #define htole16(x) bswap16((x)) #define htole32(x) bswap32((x)) #define htole64(x) bswap64((x)) #define be16toh(x) ((uint16_t)(x)) #define be32toh(x) ((uint32_t)(x)) #define be64toh(x) ((uint64_t)(x)) #define le16toh(x) bswap16((x)) #define le32toh(x) bswap32((x)) #define le64toh(x) bswap64((x))/* ... */ #endif /* _BYTE_ORDER == _LITTLE_ENDIAN */ /* Alignment-agnostic encode/decode bytestream to/from little/big endian. */ #define INLINE __inline__ static INLINE uint16_t be16dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return ((p[0] << 8) | p[1]); }{ ... } static INLINE uint32_t be32dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return (((unsigned)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); }{ ... } static INLINE uint64_t be64dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return (((uint64_t)be32dec(p) << 32) | be32dec(p + 4)); }{ ... } static INLINE uint16_t le16dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return ((p[1] << 8) | p[0]); }{ ... } static INLINE uint32_t le32dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return (((unsigned)p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]); }{ ... } static INLINE uint64_t le64dec(const void *pp) { uint8_t const *p = (uint8_t const *)pp; return (((uint64_t)le32dec(p + 4) << 32) | le32dec(p)); }{ ... } static INLINE void be16enc(void *pp, uint16_t u) { uint8_t *p = (uint8_t *)pp; p[0] = (u >> 8) & 0xff; p[1] = u & 0xff; }{ ... } static INLINE void be32enc(void *pp, uint32_t u) { uint8_t *p = (uint8_t *)pp; p[0] = (u >> 24) & 0xff; p[1] = (u >> 16) & 0xff; p[2] = (u >> 8) & 0xff; p[3] = u & 0xff; }{ ... } static INLINE void be64enc(void *pp, uint64_t u) { uint8_t *p = (uint8_t *)pp; be32enc(p, (uint32_t)(u >> 32)); be32enc(p + 4, (uint32_t)(u & 0xffffffffU)); }{ ... } static INLINE void le16enc(void *pp, uint16_t u) { uint8_t *p = (uint8_t *)pp; p[0] = u & 0xff; p[1] = (u >> 8) & 0xff; }{ ... } static INLINE void le32enc(void *pp, uint32_t u) { uint8_t *p = (uint8_t *)pp; p[0] = u & 0xff; p[1] = (u >> 8) & 0xff; p[2] = (u >> 16) & 0xff; p[3] = (u >> 24) & 0xff; }{ ... } static INLINE void le64enc(void *pp, uint64_t u) { uint8_t *p = (uint8_t *)pp; le32enc(p, (uint32_t)(u & 0xffffffffU)); le32enc(p + 4, (uint32_t)(u >> 32)); }{ ... } /* ... */#endif /* _ENDIAN_H_ */
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