diff options
Diffstat (limited to 'src/portable_endian.h')
| -rw-r--r-- | src/portable_endian.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/portable_endian.h b/src/portable_endian.h new file mode 100644 index 0000000..c3c73ff --- /dev/null +++ b/src/portable_endian.h @@ -0,0 +1,164 @@ +// "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(__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 |