a887211b00
* include/fcntl.h: Ditto.
* include/lastlog.h: Ditto.
* include/memory.h: Ditto.
* include/mntent.h: Ditto.
* include/paths.h: Ditto.
* include/poll.h: Ditto.
* include/syslog.h: Ditto.
* include/termio.h: Ditto.
* include/tzfile.h: Ditto.
* include/arpa/inet.h: Ditto.
* include/asm/byteorder.h: Ditto.
* include/asm/socket.h: Ditto.
* include/asm/types.h: Ditto.
* include/cygwin/if.h: Ditto.
* include/cygwin/mtio.h: Ditto.
* include/cygwin/rdevio.h: Ditto.
* include/cygwin/socket.h: Ditto.
* include/net/if.h: Ditto.
* include/netinet/in.h: Ditto.
* include/netinet/in_systm.h: Ditto.
* include/netinet/ip.h: Ditto.
* include/netinet/ip_icmp.h: Ditto.
* include/netinet/tcp.h: Ditto.
* include/sys/cdefs.h: Ditto.
* include/sys/cygwin.h: Ditto.
* include/sys/ioctl.h: Ditto.
* include/sys/mman.h: Ditto.
* include/sys/mount.h: Ditto.
* include/sys/mtio.h: Ditto.
* include/sys/procfs.h: Ditto.
* include/sys/resource.h: Ditto.
* include/sys/smallprint.h: Ditto.
* include/sys/socket.h: Ditto.
* include/sys/strace.h: Ditto.
* include/sys/syslog.h: Ditto.
* include/sys/sysmacros.h: Ditto.
* include/sys/termio.h: Ditto.
* include/sys/termios.h: Ditto.
* include/sys/uio.h: Ditto.
* include/sys/un.h: Ditto.
* include/sys/utsname.h: Ditto.
* include/sys/vfs.h: Ditto.
* include/sys/wait.h: Ditto.
* regexp/regerror.c: Ditto.
* regexp/regexp.h: Ditto.
* regexp/regmagic.h: Ditto.
104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
/* asm/byteorder.h
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Copyright 1996, 1998, 2001 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _I386_BYTEORDER_H
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#define _I386_BYTEORDER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if 0
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#undef ntohl
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#undef ntohs
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#undef htonl
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#undef htons
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#endif
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#ifndef __LITTLE_ENDIAN
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#define __LITTLE_ENDIAN 1234
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#endif
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#ifndef __LITTLE_ENDIAN_BITFIELD
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#define __LITTLE_ENDIAN_BITFIELD
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#endif
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#if 1
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extern unsigned long int ntohl(unsigned long int);
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extern unsigned short int ntohs(unsigned short int);
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extern unsigned long int htonl(unsigned long int);
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extern unsigned short int htons(unsigned short int);
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extern __inline__ unsigned long int __ntohl(unsigned long int);
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extern __inline__ unsigned short int __ntohs(unsigned short int);
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extern __inline__ unsigned long int __constant_ntohl(unsigned long int);
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extern __inline__ unsigned short int __constant_ntohs(unsigned short int);
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extern __inline__ unsigned long int
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__ntohl(unsigned long int x)
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{
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__asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
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"rorl $16,%0\n\t" /* swap words */
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"xchgb %b0,%h0" /* swap higher bytes */
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:"=q" (x)
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: "0" (x));
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return x;
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}
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#define __constant_ntohl(x) \
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((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
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(((unsigned long int)(x) & 0x0000ff00U) << 8) | \
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(((unsigned long int)(x) & 0x00ff0000U) >> 8) | \
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(((unsigned long int)(x) & 0xff000000U) >> 24)))
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extern __inline__ unsigned short int
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__ntohs(unsigned short int x)
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{
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__asm__("xchgb %b0,%h0" /* swap bytes */
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: "=q" (x)
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: "0" (x));
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return x;
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}
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#define __constant_ntohs(x) \
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((unsigned short int)((((unsigned short int)(x) & 0x00ff) << 8) | \
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(((unsigned short int)(x) & 0xff00) >> 8))) \
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#define __htonl(x) __ntohl(x)
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#define __htons(x) __ntohs(x)
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#define __constant_htonl(x) __constant_ntohl(x)
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#define __constant_htons(x) __constant_ntohs(x)
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#ifdef __OPTIMIZE__
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# define ntohl(x) \
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(__builtin_constant_p((long)(x)) ? \
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__constant_ntohl((x)) : \
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__ntohl((x)))
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# define ntohs(x) \
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(__builtin_constant_p((short)(x)) ? \
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__constant_ntohs((x)) : \
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__ntohs((x)))
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# define htonl(x) \
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(__builtin_constant_p((long)(x)) ? \
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__constant_htonl((x)) : \
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__htonl((x)))
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# define htons(x) \
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(__builtin_constant_p((short)(x)) ? \
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__constant_htons((x)) : \
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__htons((x)))
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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