// "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. #pragma once #include #define bswap_16(x) (((x) & 0xFF00u) >> 8) | (((x) & 0x00FFu) << 8) #define bswap_32(x) (((x) & 0xFF000000u) >> 24u) | (((x) & 0x00FF0000u) >> 8u) | (((x) & 0x0000FF00u) << 8u) | (((x) & 0x000000FFu) << 24u) #define bswap_64(x) (((x) & 0xFF00000000000000u) >> 56u) | (((x) & 0x00FF000000000000u) >> 40u) | (((x) & 0x0000FF0000000000u) >> 24u) | (((x) & 0x000000FF00000000u) >> 8u) | (((x) & 0x00000000FF000000u) << 8u) | (((x) & 0x0000000000FF0000u) << 24u) | (((x) & 0x000000000000FF00u) << 40u) | (((x) & 0x00000000000000FFu) << 56u) #if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__) # define __WINDOWS__ #endif #if defined(__linux__) || defined(__CYGWIN__) # include #elif defined(__APPLE__) # include # 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 #elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) # include # 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__) # if BYTE_ORDER == LITTLE_ENDIAN # define htobe16(x) bswap_16(x) # define htole16(x) (x) # define be16toh(x) bswap_16(x) # define le16toh(x) (x) # define htobe32(x) bswap_32(x) # define htole32(x) (x) # define be32toh(x) bswap_32(x) # define le32toh(x) (x) # define htobe64(x) bswap_64(x) # define htole64(x) (x) # define be64toh(x) bswap_64(x) # define le64toh(x) (x) # elif BYTE_ORDER == BIG_ENDIAN /* that would be xbox 360 */ # define htobe16(x) (x) # define htole16(x) bswap_16(x) # define be16toh(x) (x) # define le16toh(x) bswap_16(x) # define htobe32(x) (x) # define htole32(x) bswap_32(x) # define be32toh(x) (x) # define le32toh(x) bswap_32(x) # define htobe64(x) (x) # define htole64(x) bswap_64(x) # define be64toh(x) (x) # define le64toh(x) bswap_64(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