Re: [Tinycc-devel] HELP: __attribute__ ((packed)) confusion

[Christopher Dobbs]

This compiled to 512 for me, but when I put it in my header, it came out 
516.
I just moved some structures arround, and made it all fit.

It would be nice to see packed structures in the future, thue.

--
Christopher Dobbs

Bastian Czerwinski wrote:

> The following outputs 512 for me:
>
> #define PACKED __attribute__ ((__packed__))
>
> typedef struct {                        // 512 byte header
> unsigned char bc[3];                  // Boot Code Signature
> unsigned char signature[8];           // signature string "LIBV10"
> PACKED unsigned long dir;                    // offset of first dir block
> PACKED unsigned long freechain;              // offset of first block
> PACKED unsigned long eof;                    // offset of end of 
> freechain
> unsigned char label[41];              // Volume Label
> unsigned long attr;                   // Volume Attributes
> char          passcode[16];           // Volume Password
> unsigned char fill[428];              // Filler
> } header;
>
> main()
> {
>  printf("%d\n",sizeof(header));
> }
>
> Bastian Czerwinski
>
>
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