diff options
Diffstat (limited to 'src/endian_compat.h')
| -rw-r--r-- | src/endian_compat.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/endian_compat.h b/src/endian_compat.h new file mode 100644 index 0000000..6c49625 --- /dev/null +++ b/src/endian_compat.h @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2016-2021, OARC, Inc. + * 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. + * + * 3. Neither the name of the copyright holder nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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 HOLDER 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 __dnscap_endian_compat_h +#define __dnscap_endian_compat_h + +#ifdef HAVE_ENDIAN_H +#include <endian.h> +#else +#ifdef HAVE_SYS_ENDIAN_H +#include <sys/endian.h> +#else +#ifdef HAVE_MACHINE_ENDIAN_H +#include <machine/endian.h> +#endif +#endif +#endif + +#ifdef __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 +#endif + +#if defined(_WIN16) || defined(_WIN32) || defined(_WIN64) || defined(__WINDOWS__) +#include <winsock2.h> +#include <sys/param.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 +#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 +#endif + +#endif |