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Re: 19991102: attribute limit length?

  • Subject: Re: 19991102: attribute limit length?
  • Date: Wed, 03 Nov 1999 08:32:47 -0700
Matt,

> From: "Matt D'Ortenzio" <address@hidden>
> Subject: attribute limit length?
> Organization: NASA Ames Research Center
> Keywords: 199911022333.QAA29395 netCDF

In the above message, you wrote:

> I was wondering if there is any limit to the length of a string attribute.

I believe that a string attribute cannot be larger that the maximum
value of a "size_t".

> I believe the documentation says there isn't, but do you know of any
> problems that might occur when the attribute length gets too long? (besides
> memory restrictions when extracting them).  Thanks so much.

Because string attributes are read into Fortran character variables
-- and such variables may have a limit imposed on them by the Fortran
compiler (e.g. 256 bytes) -- it might not be possible for a Fortran
program to read lengthy string attributes.  Check your Fortran compiler
to be sure.

> -Matt D'Ortenzio
> -------------------------</*\>--------------------
> ------------------------------
> Matt D'Ortenzio
> Computational Sciences Division
> NASA Ames Research Center
> Building N269  Rm. 271
>          ------
> (650) 604-4085
> address@hidden

--------
Steve Emmerson   <http://www.unidata.ucar.edu>