diff options
Diffstat (limited to 'fluent-bit/lib/librdkafka-2.1.0/src/rdendian.h')
| -rw-r--r-- | fluent-bit/lib/librdkafka-2.1.0/src/rdendian.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/fluent-bit/lib/librdkafka-2.1.0/src/rdendian.h b/fluent-bit/lib/librdkafka-2.1.0/src/rdendian.h new file mode 100644 index 000000000..613d44bfa --- /dev/null +++ b/fluent-bit/lib/librdkafka-2.1.0/src/rdendian.h @@ -0,0 +1,174 @@ +/* + * 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. + */ +#ifndef _RDENDIAN_H_ +#define _RDENDIAN_H_ + +/** + * Provides portable endian-swapping macros/functions. + * + * be64toh() + * htobe64() + * be32toh() + * htobe32() + * be16toh() + * htobe16() + * le64toh() + */ + +#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) +#define le64toh(x) __bswap_64(x) +#define le32toh(x) __bswap_32(x) +#else +#define be16toh(x) __bswap_16(x) +#define be32toh(x) __bswap_32(x) +#define be64toh(x) __bswap_64(x) +#define le64toh(x) (x) +#define le32toh(x) (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) +#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 htole64(x) (x) +#endif /* __sun */ + +#elif defined __APPLE__ +#include <machine/endian.h> +#include <libkern/OSByteOrder.h> +#if __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN +#define be64toh(x) (x) +#define be32toh(x) (x) +#define be16toh(x) (x) +#define le16toh(x) OSSwapInt16(x) +#define le32toh(x) OSSwapInt32(x) +#define le64toh(x) OSSwapInt64(x) +#else +#define be64toh(x) OSSwapInt64(x) +#define be32toh(x) OSSwapInt32(x) +#define be16toh(x) OSSwapInt16(x) +#define le16toh(x) (x) +#define le32toh(x) (x) +#define le64toh(x) (x) +#endif + +#elif defined(_WIN32) +#include <intrin.h> + +#define be64toh(x) _byteswap_uint64(x) +#define be32toh(x) _byteswap_ulong(x) +#define be16toh(x) _byteswap_ushort(x) +#define le16toh(x) (x) +#define le32toh(x) (x) +#define le64toh(x) (x) + +#elif defined _AIX /* AIX is always big endian */ +#define be64toh(x) (x) +#define be32toh(x) (x) +#define be16toh(x) (x) +#define le32toh(x) \ + ((((x)&0xff) << 24) | (((x)&0xff00) << 8) | (((x)&0xff0000) >> 8) | \ + (((x)&0xff000000) >> 24)) +#define le64toh(x) \ + ((((x)&0x00000000000000ffL) << 56) | \ + (((x)&0x000000000000ff00L) << 40) | \ + (((x)&0x0000000000ff0000L) << 24) | \ + (((x)&0x00000000ff000000L) << 8) | (((x)&0x000000ff00000000L) >> 8) | \ + (((x)&0x0000ff0000000000L) >> 24) | \ + (((x)&0x00ff000000000000L) >> 40) | \ + (((x)&0xff00000000000000L) >> 56)) +#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 + +#ifndef htole32 +#define htole32(x) le32toh(x) +#endif + +#endif /* _RDENDIAN_H_ */ |