Re: [ros-dev] [ros-diffs] [cgutman] 59704: [CMAKE] - Define i386 on x86 MSVC builds - Probably fixes the infamous MSVC networking issues caused by tcpip.h assuming it was a big-endian platform and never byte-swapping anythi...

[Cameron Gutman]

My original plan was to switch to a different definition, but at least 
one MS header (netiodef.h in WDK 8.0) uses i386 too.

On 8/12/2013 1:04 AM, Timo Kreuzer wrote:
>   I remember some time ago, I ran into a problem with
> "i386" definition
>  somewhere, because it was used in a structure or something. I would
>  prefer to use standard definitions as much as possible. And in the case
>  of Windows code, I would consider MS to be standard. So IMO we should
>  use _X86_ or _M_IX86 whenever possible.
>
>
>  Am 12.08.2013 03:12, schrieb cgutman(a)svn.reactos.org:
> >   Author: cgutman
> >  Date: Mon Aug 12 01:12:25 2013
> >  New Revision: 59704
> >
> >  URL: http://svn.reactos.org/svn/reactos?rev=59704&view=rev
> >  Log:
> >  [CMAKE]
> >  - Define i386 on x86 MSVC builds
> >  - Probably fixes the infamous MSVC networking issues caused by tcpip.h assuming it was a
> > big-endian platform and never byte-swapping anything
> >  [TCPIP][LAN]
> >  - Fix byteswapping on AMD64 and ARM builds too
> >
> >  Modified:
> >       trunk/reactos/CMakeLists.txt
> >       trunk/reactos/drivers/network/lan/include/net_wh.h
> >       trunk/reactos/drivers/network/tcpip/include/tcpip.h
> >
> >  Modified: trunk/reactos/CMakeLists.txt
> >  URL:
> > http://svn.reactos.org/svn/reactos/trunk/reactos/CMakeLists.txt?rev=59704&a…
> >  ==============================================================================
> >  --- trunk/reactos/CMakeLists.txt	[iso-8859-1] (original)
> >  +++ trunk/reactos/CMakeLists.txt	[iso-8859-1] Mon Aug 12 01:12:25 2013
> >  @@ -142,7 +142,7 @@
> >    
> >        # Arch Options
> >        if(ARCH STREQUAL "i386")
> >  -        add_definitions(-D_M_IX86 -D_X86_ -D__i386__)
> >  +        add_definitions(-D_M_IX86 -D_X86_ -D__i386__ -Di386)
> >        elseif(ARCH STREQUAL "amd64")
> >            add_definitions(-D_M_AMD64 -D_AMD64_ -D__x86_64__ -D_WIN64)
> >        elseif(ARCH STREQUAL "arm")
> >
> >  Modified: trunk/reactos/drivers/network/lan/include/net_wh.h
> >  URL:
> > http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/lan/includ…
> >  ==============================================================================
> >  --- trunk/reactos/drivers/network/lan/include/net_wh.h	[iso-8859-1] (original)
> >  +++ trunk/reactos/drivers/network/lan/include/net_wh.h	[iso-8859-1] Mon Aug 12 01:12:25
> > 2013
> >  @@ -1,6 +1,6 @@
> >    #pragma once
> >    
> >  -#ifdef i386
> >  +#if defined(i386) || defined(_AMD64_) || defined(_ARM_)
> >    
> >    /* DWORD network to host byte order conversion for i386 */
> >    #define DN2H(dw) \
> >  @@ -26,7 +26,7 @@
> >    	((((w) & 0xFF00) >> 8) | \
> >    	 (((w) & 0x00FF) << 8))
> >    
> >  -#else /* i386 */
> >  +#else /* defined(i386) || defined(_AMD64_) || defined(_ARM_) */
> >    
> >    /* DWORD network to host byte order conversion for other architectures */
> >    #define DN2H(dw) \
> >  @@ -44,4 +44,4 @@
> >    #define WH2N(w) \
> >        (w)
> >    
> >  -#endif /* i386 */
> >  +#endif /* defined(i386) || defined(_AMD64_) || defined(_ARM_) */
> >
> >  Modified: trunk/reactos/drivers/network/tcpip/include/tcpip.h
> >  URL:
> > http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/tcpip/incl…
> >  ==============================================================================
> >  --- trunk/reactos/drivers/network/tcpip/include/tcpip.h	[iso-8859-1] (original)
> >  +++ trunk/reactos/drivers/network/tcpip/include/tcpip.h	[iso-8859-1] Mon Aug 12 01:12:25
> > 2013
> >  @@ -65,7 +65,7 @@
> >    #define NDIS_BUFFER_TAG FOURCC('n','b','u','f')
> >    #define NDIS_PACKET_TAG FOURCC('n','p','k','t')
> >    
> >  -#ifdef i386
> >  +#if defined(i386) || defined(_AMD64_) || defined(_ARM_)
> >    
> >    /* DWORD network to host byte order conversion for i386 */
> >    #define DN2H(dw) \
> >  @@ -91,7 +91,7 @@
> >    	((((w) & 0xFF00) >> 8) | \
> >    	 (((w) & 0x00FF) << 8))
> >    
> >  -#else /* i386 */
> >  +#else /* defined(i386) || defined(_AMD64_) || defined(_ARM_) */
> >    
> >    #error Unsupported architecture
> >    
> >  @@ -111,7 +111,7 @@
> >    #define WH2N(w) \
> >        (w)
> >    
> >  -#endif /* i386 */
> >  +#endif /* defined(i386) || defined(_AMD64_) || defined(_ARM_) */
> >    
> >    /* AF_INET and other things Arty likes to use ;) */
> >    #define AF_INET 2
> >
> >
> >  
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