| /* |
| * librdkafka - Apache Kafka C library |
| * |
| * Copyright (c) 2012-2015 Magnus Edenhill |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #pragma once |
| |
| /** |
| * Provides portable endian-swapping macros/functions. |
| * |
| * be64toh() |
| * htobe64() |
| * be32toh() |
| * htobe32() |
| * be16toh() |
| * htobe16() |
| */ |
| |
| #ifdef __FreeBSD__ |
| #include <sys/endian.h> |
| #elif defined __GLIBC__ |
| #include <endian.h> |
| #ifndef be64toh |
| /* Support older glibc (<2.9) which lack be64toh */ |
| #include <byteswap.h> |
| #if __BYTE_ORDER == __BIG_ENDIAN |
| #define be16toh(x) (x) |
| #define be32toh(x) (x) |
| #define be64toh(x) (x) |
| #else |
| #define be16toh(x) __bswap_16 (x) |
| #define be32toh(x) __bswap_32 (x) |
| #define be64toh(x) __bswap_64 (x) |
| #endif |
| #endif |
| |
| #elif defined __CYGWIN__ |
| #include <endian.h> |
| #elif defined __BSD__ |
| #include <sys/endian.h> |
| #elif defined sun |
| #include <sys/byteorder.h> |
| #include <sys/isa_defs.h> |
| #define __LITTLE_ENDIAN 1234 |
| #define __BIG_ENDIAN 4321 |
| #ifdef _BIG_ENDIAN |
| #define __BYTE_ORDER __BIG_ENDIAN |
| #define be64toh(x) (x) |
| #define be32toh(x) (x) |
| #define be16toh(x) (x) |
| #define le16toh(x) ((uint16_t)BSWAP_16(x)) |
| #define le32toh(x) BSWAP_32(x) |
| #define le64toh(x) BSWAP_64(x) |
| #define htole16(x) ((uint16_t)BSWAP_16(x)) |
| #define htole32(x) BSWAP_32(x) |
| #define htole64(x) BSWAP_64(x) |
| # else |
| #define __BYTE_ORDER __LITTLE_ENDIAN |
| #define be64toh(x) BSWAP_64(x) |
| #define be32toh(x) ntohl(x) |
| #define be16toh(x) ntohs(x) |
| #define le16toh(x) (x) |
| #define le32toh(x) (x) |
| #define le64toh(x) (x) |
| #define htole16(x) (x) |
| #define htole32(x) (x) |
| #define htole64(x) (x) |
| #endif /* sun */ |
| |
| #elif defined __APPLE__ |
| #include <sys/_endian.h> |
| #include <libkern/OSByteOrder.h> |
| #define __bswap_64(x) OSSwapInt64(x) |
| #define __bswap_32(x) OSSwapInt32(x) |
| #define __bswap_16(x) OSSwapInt16(x) |
| |
| #if __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN |
| #define be64toh(x) (x) |
| #define be32toh(x) (x) |
| #define be16toh(x) (x) |
| #else |
| #define be64toh(x) OSSwapInt64(x) |
| #define be32toh(x) OSSwapInt32(x) |
| #define be16toh(x) OSSwapInt16(x) |
| #endif |
| |
| #elif defined(_MSC_VER) |
| #include <intrin.h> |
| |
| #define be64toh(x) _byteswap_uint64(x) |
| #define be32toh(x) _byteswap_ulong(x) |
| #define be16toh(x) _byteswap_ushort(x) |
| |
| #elif defined _AIX /* AIX is always big endian */ |
| #define be64toh(x) (x) |
| #define be32toh(x) (x) |
| #define be16toh(x) (x) |
| |
| #else |
| #include <endian.h> |
| #endif |
| |
| |
| |
| /* |
| * On Solaris, be64toh is a function, not a macro, so there's no need to error |
| * if it's not defined. |
| */ |
| #if !defined(__sun) && !defined(be64toh) |
| #error Missing definition for be64toh |
| #endif |
| |
| #ifndef be32toh |
| #define be32toh(x) ntohl(x) |
| #endif |
| |
| #ifndef be16toh |
| #define be16toh(x) ntohs(x) |
| #endif |
| |
| #ifndef htobe64 |
| #define htobe64(x) be64toh(x) |
| #endif |
| #ifndef htobe32 |
| #define htobe32(x) be32toh(x) |
| #endif |
| #ifndef htobe16 |
| #define htobe16(x) be16toh(x) |
| #endif |