Move endianness.h file into detail folder

2025-10-30 18:17:58 +00:00 · 2017-06-05 19:36:22 -07:00
parent 000a119daf
commit b79a1ae6da
2 changed files with 1 additions and 1 deletions
--- a/include/cppkafka/detail/endianness.h
+++ b/include/cppkafka/detail/endianness.h
@@ -0,0 +1,118 @@
+
+// "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.
+
+#ifndef CPPKAFKA_PORTABLE_ENDIAN_H
+#define CPPKAFKA_PORTABLE_ENDIAN_H
+
+#if (defined(_WIN16) || defined(_WIN32) || defined(_WIN64)) && !defined(__WINDOWS__)
+
+#   define __WINDOWS__
+
+#endif
+
+#if defined(__linux__) || 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>
+
+#elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
+
+#   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(__WINDOWS__)
+
+#   include <winsock2.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
+
+#   error platform not supported
+
+#endif
+
+#endif // CPPKAFKA_PORTABLE_ENDIAN_H