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  1.  Home
  2. MI400
  3. November 2003

RE: Save file check sums

Don't write the 'new' savf direct to a savf object.

> -----Original Message-----
> From: Gene_Gaunt@xxxxxxxxxxxxxxx [mailto:Gene_Gaunt@xxxxxxxxxxxxxxx]
> Sent: Monday, November 10, 2003 11:10 AM
> To: MI Programming on the AS400 / iSeries
> Subject: Re: [MI400] Save file check sums
> 
> 
> 
> > It is not really necessary to compute the second checksum. 
> Just set the
> >16 bytes to binary zeroes and the save file will be accepted 
> as valid.
> 
> 
> The second checksum is necessary, otherwise the write record 
> operation on
> the final save file record fails with CPF4525, even when binary zeros.
> 
> CPF5175 = invalid 12-byte record checksum
> CPF4525 = invalid 16-byte file checksum

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