+++ /dev/null
-/*
- * Copyright (c) 1987, 1991 Regents of the University of California.
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
- *
- * from: @(#)endian.h 7.8 (Berkeley) 4/3/91
- */
-
-#ifndef _MACHINE_ENDIAN_H_
-#define _MACHINE_ENDIAN_H_ 1
-
-/*
- * Define the order of 32-bit words in 64-bit words.
- */
-#define _QUAD_HIGHWORD 1
-#define _QUAD_LOWWORD 0
-
-/*
- * Definitions for byte order, according to byte significance from low
- * address to high.
- */
-#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
-#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
-#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
-
-#define BYTE_ORDER LITTLE_ENDIAN
-
-#ifndef KERNEL
-#include <sys/cdefs.h>
-#endif
-
-#ifdef _MSC_VER
-static inline unsigned long __byte_swap_long ( unsigned long i )
-{
- char dst[4];
- char* src = (char*)&i;
- dst[0] = src[3];
- dst[1] = src[2];
- dst[2] = src[1];
- dst[3] = src[0];
- return *(unsigned long*)&dst[0];
-}
-
-static inline unsigned short __byte_swap_word ( unsigned short i )
-{
- char dst[2];
- char* src = (char*)&i;
- dst[0] = src[1];
- dst[1] = src[0];
- return *(unsigned short*)&dst[0];
-}
-#else/*_MSC_VER*/
-#define __word_swap_long(x) \
-({ register u_long __X = (x); \
- __asm ("rorl $16, %1" \
- : "=r" (__X) \
- : "0" (__X)); \
- __X; })
-#if __GNUC__ >= 2
-#define __byte_swap_long(x) \
-__extension__ ({ register u_long __X = (x); \
- __asm ("xchgb %h1, %b1\n\trorl $16, %1\n\txchgb %h1, %b1" \
- : "=q" (__X) \
- : "0" (__X)); \
- __X; })
-#define __byte_swap_word(x) \
-__extension__ ({ register u_short __X = (x); \
- __asm ("xchgb %h1, %b1" \
- : "=q" (__X) \
- : "0" (__X)); \
- __X; })
-#else /* __GNUC__ >= 2 */
-#define __byte_swap_long(x) \
-({ register u_long __X = (x); \
- __asm ("rorw $8, %w1\n\trorl $16, %1\n\trorw $8, %w1" \
- : "=r" (__X) \
- : "0" (__X)); \
- __X; })
-#define __byte_swap_word(x) \
-({ register u_short __X = (x); \
- __asm ("rorw $8, %w1" \
- : "=r" (__X) \
- : "0" (__X)); \
- __X; })
-#endif /* __GNUC__ >= 2 */
-#endif /* _MSC_VER */
-
-/*
- * Macros for network/external number representation conversion.
- */
-#if BYTE_ORDER == BIG_ENDIAN && !defined(lint)
-#define ntohl(x) (x)
-#define ntohs(x) (x)
-#define htonl(x) (x)
-#define htons(x) (x)
-
-#define NTOHL(x) (x)
-#define NTOHS(x) (x)
-#define HTONL(x) (x)
-#define HTONS(x) (x)
-
-#else
-
-#define ntohl __byte_swap_long
-#define ntohs __byte_swap_word
-#define htonl __byte_swap_long
-#define htons __byte_swap_word
-
-#define NTOHL(x) (x) = ntohl((u_long)x)
-#define NTOHS(x) (x) = ntohs((u_short)x)
-#define HTONL(x) (x) = htonl((u_long)x)
-#define HTONS(x) (x) = htons((u_short)x)
-#endif
-#endif /* _MACHINE_ENDIAN_H_ */
projects / reactos.git / blobdiff