embedaddon/iperf/src/portable_endian.h - view

File: [ELWIX - Embedded LightWeight unIX -] / embedaddon / iperf / src / portable_endian.h
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue Oct 18 13:28:18 2016 UTC (7 years, 8 months ago) by misho
Branches: iperf, MAIN
CVS tags: v3_1_3p0, v3_1_3, HEAD

iperf3 3.1.3

// "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 // GLIBC / Linux with endian(3) support, which was added in glibc 2.9. // Intended to support CentOS 6 and newer. #if defined(__linux__) && \ ((__GLIBC__ > 3) || \ (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 9)) # include <endian.h> #elif 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> # 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(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) # include <sys/endian.h> #elif defined(__sun) && defined(__SVR4) # include <sys/types.h> # include <netinet/in.h> # include <inttypes.h> # 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