Re: [open-cobol-list] Re: static cobol 2 c

[Xavier COUDIN]

thanks for this comment,

what about float/double numbers ?

----------------------------------------------------

On Sat, 22 Oct 2005 22:22:01 +0200
Roger While <address@hidden> wrote:

> Adding to Gary's comments -
> There are 2 more fundamental issues -
> 1)  The Little/Big endian consideration
> 2)  The field size
> 
> In order to directly use C short/int/long long, then binary fields
> should be defined as COMP-5 (ie. Native byte order).
> Also, the field length must be correct.
> So,
> PIC S9(4)   COMP-5            (signed) short
> PIC 9(4)     COMP-5           unsigned short
> PIC S9(8)   COMP-5            (signed) int
> PIC 9(8)     COMP-5           unsigned int
> PIC S9(18) COMP-5             (signed) long long
> PIC 9(18)   COMP-5            unsigned long long
> 
> As Gary pointed out, if the short/int/long long field is not
> naturally aligned, then you must pack the structure; eg gcc's
> attribute packed.
> 
> Roger
> 
> 
> 
> 
> 
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