Re: How to update a specified field in the database

[Grounderyoyo22]

In a message dated 10/2/00 6:07:57 PM Mountain Daylight Time, 
[EMAIL PROTECTED] writes:

> I can't use offsetof() in my application.  My StructType is defined as
>  typedef struct {
>  UInt32  Id1;
>  UInt32 Id2;
>  char     Data[1];
>  } StructType;
>  
>  I can use offsetof(StructType, Id1) to write to the first field, but how 
can 
> I
>  update data in the 5th field (also have to consider there is also data in 
> the
>  sixth field and new data might have a different size)?

I heard that 'offsetof' isn't included in whatever it needs to be included 
in, so you need to put this in your .h file:

#ifndef offsetof
#define offsetof(s,m) (size_t)&(((s *)0)->m)
#endif

so that the Palm knows what you're doing. Is this right? 

( }#^} Ritz

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