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* net.cc: Include asm/byteorder.h. 

(htonl): Move to end of file.  Add comment to explain why.  Align
	definition to POSIX.  Use related macro from asm/byteorder.h.
	(ntohl): Ditto.
	(htons): Ditto.
	(ntohs): Ditto.
	* include/asm/byteorder.h: Revert previous patch.
This commit is contained in:
Corinna Vinschen 2009-03-03 11:44:18 +00:00
parent ed296a4727
commit 2895b8b502
3 changed files with 50 additions and 35 deletions
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10
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,13 @@
2009-03-03 Corinna Vinschen <corinna@vinschen.de>
* net.cc: Include asm/byteorder.h.
(htonl): Move to end of file. Add comment to explain why. Align
definition to POSIX. Use related macro from asm/byteorder.h.
(ntohl): Ditto.
(htons): Ditto.
(ntohs): Ditto.
* include/asm/byteorder.h: Revert previous patch.
2009-03-03 Corinna Vinschen <corinna@vinschen.de>
* include/asm/byteorder.h: Disable optimization when building

3
winsup/cygwin/include/asm/byteorder.h
View File

@ -70,8 +70,7 @@ __ntohs(uint16_t x)
#define __constant_htonl(x) __constant_ntohl(x)
#define __constant_htons(x) __constant_ntohs(x)
#if defined (__OPTIMIZE__) && !defined (__NO_INLINE__) \
&& !defined (__INSIDE_CYGWIN_NET__)
#if defined (__OPTIMIZE__) && !defined (__NO_INLINE__)
# define ntohl(x) \
(__builtin_constant_p((long)(x)) ? \
__constant_ntohl((x)) : \

72
winsup/cygwin/net.cc
View File

@ -23,6 +23,7 @@ details. */
#include <unistd.h>
#undef gethostname
#include <netdb.h>
#include <asm/byteorder.h>
#define USE_SYS_TYPES_FD_SET
#include <winsock2.h>
#include <iphlpapi.h>
@ -73,38 +74,6 @@ get (const int fd)
return fh;
}
/* htonl: standards? */
extern "C" unsigned long int
htonl (unsigned long int x)
{
return ((((x & 0x000000ffU) << 24) |
((x & 0x0000ff00U) << 8) |
((x & 0x00ff0000U) >> 8) |
((x & 0xff000000U) >> 24)));
}
/* ntohl: standards? */
extern "C" unsigned long int
ntohl (unsigned long int x)
{
return htonl (x);
}
/* htons: standards? */
extern "C" unsigned short
htons (unsigned short x)
{
return ((((x & 0x000000ffU) << 8) |
((x & 0x0000ff00U) >> 8)));
}
/* ntohs: standards? */
extern "C" unsigned short
ntohs (unsigned short x)
{
return htons (x);
}
/* exported as inet_ntoa: BSD 4.3 */
extern "C" char *
cygwin_inet_ntoa (struct in_addr in)
@ -4019,7 +3988,8 @@ cygwin_getnameinfo (const struct sockaddr *sa, socklen_t salen,
return ret;
}
/* The below function has been taken from OpenBSD's src/sys/netinet6/in6.c. */
/* The below function in6_are_prefix_equal has been taken from OpenBSD's
src/sys/netinet6/in6.c. */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -4103,3 +4073,39 @@ in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, int len)
return 1;
}
/* These functions are stick to the end of this file so that the
optimization in asm/byteorder.h can be used even here in net.cc. */
#undef htonl
#undef ntohl
#undef htons
#undef ntohs
/* htonl: standards? */
extern "C" uint32_t
htonl (uint32_t x)
{
return __htonl (x);
}
/* ntohl: standards? */
extern "C" uint32_t
ntohl (uint32_t x)
{
return __ntohl (x);
}
/* htons: standards? */
extern "C" uint16_t
htons (uint16_t x)
{
return __htons (x);
}
/* ntohs: standards? */
extern "C" uint16_t
ntohs (uint16_t x)
{
return __ntohs (x);
}