One option would be to manually set the packing options for the structure
in the header file.
#pragma pack(push)
#pragma pack(8) // Or something sensible.
typedef struct
{
// Whatever.
} STRUCT;
#pragma pack(pop)
But provided you stick to the same build options and always use the MSVC
compiler you should be safe without these
safeguards..
Daniel
>Hi,
> I have an IOCP Socket project in where I am transferring data in a structure.
>The clients will always be XP, 2000 machines, and the server will be the
>same.
>
>I am sending a structure of information to the server application in one
>go, saving having to send each item 1 at a time.
>I am doing
>
> CopyMemory(&SocketBuff,&struct,sizeof(struct));
>then sending the buffer.
>
>and at the serial side, doing the reverse to receive the data. Everything
>works fine, but wondering with struct padding, would the size always be
the
>same on both client and server application? I have one header file that
>both client and server load in, so will never get the fields the wrong way
>in the structure.
>
>If there is a problem with this, what is the bets way around it?
>
>Thanks
>Neil
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