blob: 85a6147ca1196d4ad6139dc5a0c9bfa686727336 [file] [log] [blame]
// "License": Public Domain
// I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
#ifndef PORTABLE_ENDIAN_H__
#define PORTABLE_ENDIAN_H__
#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
# define __WINDOWS__
#endif
#if defined(__CYGWIN__)
# include <endian.h>
#elif defined(HAVE_ENDIAN_H)
# include <endian.h>
#elif defined(HAVE_SYS_ENDIAN_H)
# include <sys/endian.h>
# if defined(__OpenBSD__)
# 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(__sgi)
# include <netinet/in.h>
# include <inttypes.h>
# define be64toh(x) (x)
# define htobe64(x) (x)
# endif
#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(__sun) && defined(__SVR4)
# include <sys/types.h>
# include <netinet/in.h>
# include <inttypes.h>
# if !defined (ntohll) || !defined(htonll)
# ifdef _BIG_ENDIAN
# define htonll(x) (x)
# define ntohll(x) (x)
# else
# define htonll(x) ((((uint64_t)htonl(x)) << 32) + htonl((uint64_t)(x) >> 32))
# define ntohll(x) ((((uint64_t)ntohl(x)) << 32) + ntohl((uint64_t)(x) >> 32))
# endif
# endif
# define be64toh(x) ntohll(x)
# define htobe64(x) htonll(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
// Unsupported platforms.
// Intended to support CentOS 5 but hopefully not too far from
// the truth because we use the homebrew htonll, et al. implementations
// that were originally the sole implementation of this functionality
// in iperf 3.0.
# warning platform not supported
# include <endian.h>
#if BYTE_ORDER == BIG_ENDIAN
#define HTONLL(n) (n)
#define NTOHLL(n) (n)
#else
#define HTONLL(n) ((((unsigned long long)(n) & 0xFF) << 56) | \
(((unsigned long long)(n) & 0xFF00) << 40) | \
(((unsigned long long)(n) & 0xFF0000) << 24) | \
(((unsigned long long)(n) & 0xFF000000) << 8) | \
(((unsigned long long)(n) & 0xFF00000000) >> 8) | \
(((unsigned long long)(n) & 0xFF0000000000) >> 24) | \
(((unsigned long long)(n) & 0xFF000000000000) >> 40) | \
(((unsigned long long)(n) & 0xFF00000000000000) >> 56))
#define NTOHLL(n) ((((unsigned long long)(n) & 0xFF) << 56) | \
(((unsigned long long)(n) & 0xFF00) << 40) | \
(((unsigned long long)(n) & 0xFF0000) << 24) | \
(((unsigned long long)(n) & 0xFF000000) << 8) | \
(((unsigned long long)(n) & 0xFF00000000) >> 8) | \
(((unsigned long long)(n) & 0xFF0000000000) >> 24) | \
(((unsigned long long)(n) & 0xFF000000000000) >> 40) | \
(((unsigned long long)(n) & 0xFF00000000000000) >> 56))
#endif
#define htobe64(n) HTONLL(n)
#define be64toh(n) NTOHLL(n)
#endif
#endif