X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fcommon%2Fcompat%2Fendian.h;h=ff383763461f19e32d76439275755f27524ea5a3;hb=0f8f94b12c51004589e0ea668346a46b0412cf4f;hp=baea531971433f4a54c80886c34195e64ece7920;hpb=f263b7fd113e51d0737554e8232b8669e142a260;p=lttng-tools.git diff --git a/src/common/compat/endian.h b/src/common/compat/endian.h index baea53197..ff3837634 100644 --- a/src/common/compat/endian.h +++ b/src/common/compat/endian.h @@ -1,25 +1,45 @@ /* - * Copyright (C) 2011 - David Goulet + * Copyright (C) 2011 David Goulet * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2 only, - * as published by the Free Software Foundation. + * SPDX-License-Identifier: LGPL-2.1-only * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. + */ + +/* + * This compat header provides the following defines: + * + * LITTLE_ENDIAN + * BIG_ENDIAN + * BYTE_ORDER + * + * And functions / macros : + * + * bswap_16() + * bswap_32() + * bswap_64() * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * htobe16() + * htole16() + * be16toh() + * le16toh() + * + * htobe32() + * htole32() + * be32toh() + * le32toh() + * + * htobe64() + * htole64() + * be64toh() + * le64toh() */ #ifndef _COMPAT_ENDIAN_H #define _COMPAT_ENDIAN_H -#ifdef __linux__ +#if defined(__linux__) || defined(__CYGWIN__) #include +#include /* * htobe/betoh are not defined for glibc <2.9, so add them @@ -113,7 +133,82 @@ #endif /* __USE_BSD */ #elif defined(__FreeBSD__) -#include +#include + +#define bswap_16(x) bswap16(x) +#define bswap_32(x) bswap32(x) +#define bswap_64(x) bswap64(x) + +#elif defined(__sun__) +#include +#ifndef __BIG_ENDIAN +#define __BIG_ENDIAN 4321 +#endif /* __BIG_ENDIAN */ +#ifndef __LITTLE_ENDIAN +#define __LITTLE_ENDIAN 1234 +#endif /* __LITTLE_ENDIAN */ + +#ifdef _LITTLE_ENDIAN +#define __BYTE_ORDER __LITTLE_ENDIAN +#endif /* _LITTLE_ENDIAN */ +#ifdef _BIG_ENDIAN +#define __BYTE_ORDER __BIG_ENDIAN +#endif /* _BIG_ENDIAN */ + +#define LITTLE_ENDIAN __LITTLE_ENDIAN +#define BIG_ENDIAN __BIG_ENDIAN +#define BYTE_ORDER __BYTE_ORDER + +#define betoh16(x) BE_16(x) +#define letoh16(x) LE_16(x) +#define betoh32(x) BE_32(x) +#define letoh32(x) LE_32(x) +#define betoh64(x) BE_64(x) +#define letoh64(x) LE_64(x) +#define htobe16(x) BE_16(x) +#define be16toh(x) BE_16(x) +#define htobe32(x) BE_32(x) +#define be32toh(x) BE_32(x) +#define htobe64(x) BE_64(x) +#define be64toh(x) BE_64(x) + +#elif defined(__APPLE__) +# include +# include + +# if BYTE_ORDER == LITTLE_ENDIAN +# define htobe16(x) OSSwapConstInt16(x) +# define htole16(x) (x) +# define be16toh(x) OSSwapConstInt16(x) +# define le16toh(x) (x) + +# define htobe32(x) OSSwapConstInt32(x) +# define htole32(x) (x) +# define be32toh(x) OSSwapConstInt32(x) +# define le32toh(x) (x) + +# define htobe64(x) OSSwapConstInt64(x) +# define htole64(x) (x) +# define be64toh(x) OSSwapConstInt64(x) +# define le64toh(x) (x) + +# else /* BYTE_ORDER == LITTLE_ENDIAN */ +# define htobe16(x) (x) +# define htole16(x) OSSwapConstInt16(x) +# define be16toh(x) (x) +# define le16toh(x) OSSwapConstInt16(x) + +# define htobe32(x) (x) +# define htole32(x) OSSwapConstInt32(x) +# define be32toh(x) (x) +# define le32toh(x) OSSwapConstInt32(x) + +# define htobe64(x) (x) +# define htole64(x) OSSwapConstInt64(x) +# define be64toh(x) (x) +# define le64toh(x) OSSwapConstInt64(x) +# endif + #else #error "Please add support for your OS." #endif