diff options
Diffstat (limited to 'winsup/cygwin/include/asm/byteorder.h')
-rw-r--r-- | winsup/cygwin/include/asm/byteorder.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/winsup/cygwin/include/asm/byteorder.h b/winsup/cygwin/include/asm/byteorder.h deleted file mode 100644 index fe6548b75..000000000 --- a/winsup/cygwin/include/asm/byteorder.h +++ /dev/null @@ -1,103 +0,0 @@ -/* asm/byteorder.h - - Copyright 1996, 1998, 2001 Red Hat, Inc. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#ifndef _I386_BYTEORDER_H -#define _I386_BYTEORDER_H - -#ifdef __cplusplus -extern "C" { -#endif - -#if 0 -#undef ntohl -#undef ntohs -#undef htonl -#undef htons -#endif - -#ifndef __LITTLE_ENDIAN -#define __LITTLE_ENDIAN 1234 -#endif - -#ifndef __LITTLE_ENDIAN_BITFIELD -#define __LITTLE_ENDIAN_BITFIELD -#endif - -#if 1 -extern unsigned long int ntohl(unsigned long int); -extern unsigned short int ntohs(unsigned short int); -extern unsigned long int htonl(unsigned long int); -extern unsigned short int htons(unsigned short int); - -extern __inline__ unsigned long int __ntohl(unsigned long int); -extern __inline__ unsigned short int __ntohs(unsigned short int); -extern __inline__ unsigned long int __constant_ntohl(unsigned long int); -extern __inline__ unsigned short int __constant_ntohs(unsigned short int); - -extern __inline__ unsigned long int -__ntohl(unsigned long int x) -{ - __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ - "rorl $16,%0\n\t" /* swap words */ - "xchgb %b0,%h0" /* swap higher bytes */ - :"=q" (x) - : "0" (x)); - return x; -} - -#define __constant_ntohl(x) \ - ((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \ - (((unsigned long int)(x) & 0x0000ff00U) << 8) | \ - (((unsigned long int)(x) & 0x00ff0000U) >> 8) | \ - (((unsigned long int)(x) & 0xff000000U) >> 24))) - -extern __inline__ unsigned short int -__ntohs(unsigned short int x) -{ - __asm__("xchgb %b0,%h0" /* swap bytes */ - : "=q" (x) - : "0" (x)); - return x; -} - -#define __constant_ntohs(x) \ - ((unsigned short int)((((unsigned short int)(x) & 0x00ff) << 8) | \ - (((unsigned short int)(x) & 0xff00) >> 8))) \ - -#define __htonl(x) __ntohl(x) -#define __htons(x) __ntohs(x) -#define __constant_htonl(x) __constant_ntohl(x) -#define __constant_htons(x) __constant_ntohs(x) - -#ifdef __OPTIMIZE__ -# define ntohl(x) \ -(__builtin_constant_p((long)(x)) ? \ - __constant_ntohl((x)) : \ - __ntohl((x))) -# define ntohs(x) \ -(__builtin_constant_p((short)(x)) ? \ - __constant_ntohs((x)) : \ - __ntohs((x))) -# define htonl(x) \ -(__builtin_constant_p((long)(x)) ? \ - __constant_htonl((x)) : \ - __htonl((x))) -# define htons(x) \ -(__builtin_constant_p((short)(x)) ? \ - __constant_htons((x)) : \ - __htons((x))) -#endif -#endif - -#ifdef __cplusplus -} -#endif - -#endif |