176 lines
4.7 KiB
C
176 lines
4.7 KiB
C
// "License": Public Domain
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// I, Mathias Panzenböck, place this file hereby into the public domain. Use it at your own risk for whatever you like.
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#ifndef PORTABLE_ENDIAN_H__
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#define PORTABLE_ENDIAN_H__
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#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
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# define __WINDOWS__
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#endif
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#if defined(__CYGWIN__)
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# include <endian.h>
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#elif defined(HAVE_ENDIAN_H)
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# include <endian.h>
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#elif defined(HAVE_SYS_ENDIAN_H)
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# include <sys/endian.h>
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# if defined(__OpenBSD__)
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# define be16toh(x) betoh16(x)
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# define le16toh(x) letoh16(x)
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# define be32toh(x) betoh32(x)
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# define le32toh(x) letoh32(x)
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# define be64toh(x) betoh64(x)
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# define le64toh(x) letoh64(x)
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# elif defined(__sgi)
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# include <netinet/in.h>
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# include <inttypes.h>
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# define be64toh(x) (x)
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# define htobe64(x) (x)
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# endif
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#elif defined(__APPLE__)
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# include <libkern/OSByteOrder.h>
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# define htobe16(x) OSSwapHostToBigInt16(x)
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# define htole16(x) OSSwapHostToLittleInt16(x)
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# define be16toh(x) OSSwapBigToHostInt16(x)
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# define le16toh(x) OSSwapLittleToHostInt16(x)
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# define htobe32(x) OSSwapHostToBigInt32(x)
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# define htole32(x) OSSwapHostToLittleInt32(x)
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# define be32toh(x) OSSwapBigToHostInt32(x)
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# define le32toh(x) OSSwapLittleToHostInt32(x)
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# define htobe64(x) OSSwapHostToBigInt64(x)
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# define htole64(x) OSSwapHostToLittleInt64(x)
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# define be64toh(x) OSSwapBigToHostInt64(x)
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# define le64toh(x) OSSwapLittleToHostInt64(x)
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# define __BYTE_ORDER BYTE_ORDER
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# define __BIG_ENDIAN BIG_ENDIAN
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# define __LITTLE_ENDIAN LITTLE_ENDIAN
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# define __PDP_ENDIAN PDP_ENDIAN
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#elif defined(__sun) && defined(__SVR4)
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# include <sys/types.h>
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# include <netinet/in.h>
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# include <inttypes.h>
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# if !defined (ntohll) || !defined(htonll)
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# ifdef _BIG_ENDIAN
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# define htonll(x) (x)
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# define ntohll(x) (x)
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# else
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# define htonll(x) ((((uint64_t)htonl(x)) << 32) + htonl((uint64_t)(x) >> 32))
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# define ntohll(x) ((((uint64_t)ntohl(x)) << 32) + ntohl((uint64_t)(x) >> 32))
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# endif
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# endif
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# define be64toh(x) ntohll(x)
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# define htobe64(x) htonll(x)
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#elif defined(__WINDOWS__)
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# include <winsock2.h>
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# include <sys/param.h>
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# if BYTE_ORDER == LITTLE_ENDIAN
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# define htobe16(x) htons(x)
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# define htole16(x) (x)
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# define be16toh(x) ntohs(x)
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# define le16toh(x) (x)
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# define htobe32(x) htonl(x)
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# define htole32(x) (x)
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# define be32toh(x) ntohl(x)
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# define le32toh(x) (x)
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# define htobe64(x) htonll(x)
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# define htole64(x) (x)
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# define be64toh(x) ntohll(x)
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# define le64toh(x) (x)
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# elif BYTE_ORDER == BIG_ENDIAN
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/* that would be xbox 360 */
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# define htobe16(x) (x)
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# define htole16(x) __builtin_bswap16(x)
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# define be16toh(x) (x)
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# define le16toh(x) __builtin_bswap16(x)
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# define htobe32(x) (x)
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# define htole32(x) __builtin_bswap32(x)
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# define be32toh(x) (x)
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# define le32toh(x) __builtin_bswap32(x)
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# define htobe64(x) (x)
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# define htole64(x) __builtin_bswap64(x)
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# define be64toh(x) (x)
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# define le64toh(x) __builtin_bswap64(x)
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# else
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# error byte order not supported
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# endif
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# define __BYTE_ORDER BYTE_ORDER
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# define __BIG_ENDIAN BIG_ENDIAN
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# define __LITTLE_ENDIAN LITTLE_ENDIAN
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# define __PDP_ENDIAN PDP_ENDIAN
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#else
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// Unsupported platforms.
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// Intended to support CentOS 5 but hopefully not too far from
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// the truth because we use the homebrew htonll, et al. implementations
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// that were originally the sole implementation of this functionality
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// in iperf 3.0.
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# warning platform not supported
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# include <endian.h>
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#if BYTE_ORDER == BIG_ENDIAN
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#define HTONLL(n) (n)
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#define NTOHLL(n) (n)
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#else
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#define HTONLL(n) ((((unsigned long long)(n) & 0xFF) << 56) | \
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(((unsigned long long)(n) & 0xFF00) << 40) | \
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(((unsigned long long)(n) & 0xFF0000) << 24) | \
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(((unsigned long long)(n) & 0xFF000000) << 8) | \
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(((unsigned long long)(n) & 0xFF00000000) >> 8) | \
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(((unsigned long long)(n) & 0xFF0000000000) >> 24) | \
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(((unsigned long long)(n) & 0xFF000000000000) >> 40) | \
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(((unsigned long long)(n) & 0xFF00000000000000) >> 56))
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#define NTOHLL(n) ((((unsigned long long)(n) & 0xFF) << 56) | \
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(((unsigned long long)(n) & 0xFF00) << 40) | \
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(((unsigned long long)(n) & 0xFF0000) << 24) | \
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(((unsigned long long)(n) & 0xFF000000) << 8) | \
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(((unsigned long long)(n) & 0xFF00000000) >> 8) | \
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(((unsigned long long)(n) & 0xFF0000000000) >> 24) | \
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(((unsigned long long)(n) & 0xFF000000000000) >> 40) | \
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(((unsigned long long)(n) & 0xFF00000000000000) >> 56))
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#endif
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#define htobe64(n) HTONLL(n)
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#define be64toh(n) NTOHLL(n)
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#endif
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#endif
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