/* Compatibility shim for * * "License": Public Domain * "Original": https://gist.github.com/panzi/6856583 * * 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. * * Modifications also in the Public Domain and dual licensed under BSD, MIT and * Apache licenses (using the terms outlined above): * * Copyright (C) 2016 Reece H. Dunn */ #ifndef ENDIAN_H_COMPAT_SHIM #define ENDIAN_H_COMPAT_SHIM #if defined(HAVE_ENDIAN_H) # pragma GCC system_header // Silence "warning: #include_next is a GCC extension" # include_next #elif defined(HAVE_SYS_ENDIAN_H) # include # if !defined(be16toh) # define be16toh(x) betoh16(x) # endif # if !defined(le16toh) # define le16toh(x) letoh16(x) # endif # if !defined(be32toh) # define be32toh(x) betoh32(x) # endif # if !defined(le32toh) # define le32toh(x) letoh32(x) # endif # if !defined(be64toh) # define be64toh(x) betoh64(x) # endif # if !defined(le64toh) # define le64toh(x) letoh64(x) # endif #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(_WIN16) || defined(_WIN32) || defined(_WIN64) # if BYTE_ORDER == LITTLE_ENDIAN # include # 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 #elif defined(__sun) && defined(__SVR4) /* Solaris */ # include # define htobe16(x) BE_16(x) # define htole16(x) LE_16(x) # define be16toh(x) BE_16(x) # define le16toh(x) LE_16(x) # define htobe32(x) BE_32(x) # define htole32(x) LE_32(x) # define be32toh(x) BE_32(x) # define le32toh(x) LE_32(x) # define htobe64(x) BE_64(x) # define htole64(x) LE_64(x) # define be64toh(x) BE_64(x) # define le64toh(x) LE_64(x) #else # error platform not supported #endif #endif