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Mail Archives: djgpp/1997/04/08/12:29:11

From: "Anthony.Appleyard" <MCLSSAA2 AT fs2 DOT mt DOT umist DOT ac DOT uk>
Organization: Materials Science Centre
To: djgpp AT delorie DOT com
Date: Tue, 8 Apr 1997 14:12:51 GMT-1
Subject: Re: Problem with Packed structs
Reply-to: Anthony DOT Appleyard AT umist DOT ac DOT uk
Message-ID: <6604EA689A@fs2.mt.umist.ac.uk>

On Mon, 7 Apr 1997, Mark T Logan wrote:
> I have a slight problem with the way that DJGPP packs its structs. ...

  "Adrian Gh. Oboroc aka AsH / DEVOTiON" <oboroc AT usm DOT md> wrote:-
> You might want to use '#pragma pack' method:
> 
> #pragma pack(1)
> struct Heroin           ////// Lets keep this stuff out of it!!!!!!!
> {
> 	char dealer[100];
> 	int quality;
> 	double weight;
> }
> #pragma pack()
> 
> but guys from FSF, who develops GCC, don't like pragmas, thus you'll get
> some warnings at compilation stage.

  and thus you likely won't get any packing effect either. I put
    #define pk __attribute__((packed))
  at the start of my programs, so it is easy to put `pk' before every `;'
inside the struct {brackets}.

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