Mini Shell

/* Copyright (C) 1992-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef	_ENDIAN_H
#define	_ENDIAN_H	1

#include <features.h>

/* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER.  */
#include <bits/endian.h>

#ifdef __USE_MISC
# define LITTLE_ENDIAN	__LITTLE_ENDIAN
# define BIG_ENDIAN	__BIG_ENDIAN
# define PDP_ENDIAN	__PDP_ENDIAN
# define BYTE_ORDER	__BYTE_ORDER
#endif

#if defined __USE_MISC && !defined __ASSEMBLER__
/* Conversion interfaces.  */
# include <bits/byteswap.h>
# include <bits/uintn-identity.h>

# if __BYTE_ORDER == __LITTLE_ENDIAN
#  define htobe16(x) __bswap_16 (x)
#  define htole16(x) __uint16_identity (x)
#  define be16toh(x) __bswap_16 (x)
#  define le16toh(x) __uint16_identity (x)

#  define htobe32(x) __bswap_32 (x)
#  define htole32(x) __uint32_identity (x)
#  define be32toh(x) __bswap_32 (x)
#  define le32toh(x) __uint32_identity (x)

#  define htobe64(x) __bswap_64 (x)
#  define htole64(x) __uint64_identity (x)
#  define be64toh(x) __bswap_64 (x)
#  define le64toh(x) __uint64_identity (x)

# else
#  define htobe16(x) __uint16_identity (x)
#  define htole16(x) __bswap_16 (x)
#  define be16toh(x) __uint16_identity (x)
#  define le16toh(x) __bswap_16 (x)

#  define htobe32(x) __uint32_identity (x)
#  define htole32(x) __bswap_32 (x)
#  define be32toh(x) __uint32_identity (x)
#  define le32toh(x) __bswap_32 (x)

#  define htobe64(x) __uint64_identity (x)
#  define htole64(x) __bswap_64 (x)
#  define be64toh(x) __uint64_identity (x)
#  define le64toh(x) __bswap_64 (x)
# endif
#endif

#endif	/* endian.h */