119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
// "License": Public Domain
|
|
// I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
|
|
// In case there are jurisdictions that don't support putting things in the public domain you can also consider it to
|
|
// be "dual licensed" under the BSD, MIT and Apache licenses, if you want to. This code is trivial anyway. Consider it
|
|
// an example on how to get the endian conversion functions on different platforms.
|
|
|
|
#ifndef PORTABLE_ENDIAN_H__
|
|
#define PORTABLE_ENDIAN_H__
|
|
|
|
#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
|
|
|
|
# define __WINDOWS__
|
|
|
|
#endif
|
|
|
|
#if defined(__linux__) || defined(__CYGWIN__)
|
|
|
|
# include <endian.h>
|
|
|
|
#elif defined(__APPLE__)
|
|
|
|
# include <libkern/OSByteOrder.h>
|
|
|
|
# define htobe16(x) OSSwapHostToBigInt16(x)
|
|
# define htole16(x) OSSwapHostToLittleInt16(x)
|
|
# define be16toh(x) OSSwapBigToHostInt16(x)
|
|
# define le16toh(x) OSSwapLittleToHostInt16(x)
|
|
|
|
# define htobe32(x) OSSwapHostToBigInt32(x)
|
|
# define htole32(x) OSSwapHostToLittleInt32(x)
|
|
# define be32toh(x) OSSwapBigToHostInt32(x)
|
|
# define le32toh(x) OSSwapLittleToHostInt32(x)
|
|
|
|
# define htobe64(x) OSSwapHostToBigInt64(x)
|
|
# define htole64(x) OSSwapHostToLittleInt64(x)
|
|
# define be64toh(x) OSSwapBigToHostInt64(x)
|
|
# define le64toh(x) OSSwapLittleToHostInt64(x)
|
|
|
|
# define __BYTE_ORDER BYTE_ORDER
|
|
# define __BIG_ENDIAN BIG_ENDIAN
|
|
# define __LITTLE_ENDIAN LITTLE_ENDIAN
|
|
# define __PDP_ENDIAN PDP_ENDIAN
|
|
|
|
#elif defined(__OpenBSD__)
|
|
|
|
# include <sys/endian.h>
|
|
|
|
#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
|
|
|
|
# include <sys/endian.h>
|
|
|
|
# define be16toh(x) betoh16(x)
|
|
# define le16toh(x) letoh16(x)
|
|
|
|
# define be32toh(x) betoh32(x)
|
|
# define le32toh(x) letoh32(x)
|
|
|
|
# define be64toh(x) betoh64(x)
|
|
# define le64toh(x) letoh64(x)
|
|
|
|
#elif defined(__WINDOWS__)
|
|
|
|
# include <winsock2.h>
|
|
//# include <sys/param.h>
|
|
|
|
# if BYTE_ORDER == LITTLE_ENDIAN
|
|
|
|
# define htobe16(x) htons(x)
|
|
# define htole16(x) (x)
|
|
# define be16toh(x) ntohs(x)
|
|
# define le16toh(x) (x)
|
|
|
|
# define htobe32(x) htonl(x)
|
|
# define htole32(x) (x)
|
|
# define be32toh(x) ntohl(x)
|
|
# define le32toh(x) (x)
|
|
|
|
# define htobe64(x) htonll(x)
|
|
# define htole64(x) (x)
|
|
# define be64toh(x) ntohll(x)
|
|
# define le64toh(x) (x)
|
|
|
|
# elif BYTE_ORDER == BIG_ENDIAN
|
|
|
|
/* that would be xbox 360 */
|
|
# define htobe16(x) (x)
|
|
# define htole16(x) __builtin_bswap16(x)
|
|
# define be16toh(x) (x)
|
|
# define le16toh(x) __builtin_bswap16(x)
|
|
|
|
# define htobe32(x) (x)
|
|
# define htole32(x) __builtin_bswap32(x)
|
|
# define be32toh(x) (x)
|
|
# define le32toh(x) __builtin_bswap32(x)
|
|
|
|
# define htobe64(x) (x)
|
|
# define htole64(x) __builtin_bswap64(x)
|
|
# define be64toh(x) (x)
|
|
# define le64toh(x) __builtin_bswap64(x)
|
|
|
|
# else
|
|
|
|
# error byte order not supported
|
|
|
|
# endif
|
|
|
|
# define __BYTE_ORDER BYTE_ORDER
|
|
# define __BIG_ENDIAN BIG_ENDIAN
|
|
# define __LITTLE_ENDIAN LITTLE_ENDIAN
|
|
# define __PDP_ENDIAN PDP_ENDIAN
|
|
|
|
#else
|
|
|
|
# error platform not supported
|
|
|
|
#endif
|
|
|
|
#endif
|