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VistaIOWriteFile(3)


NAME

   VistaIOWriteFile - write a Vista data file

SYNOPSIS

   #include <stdio>
   #include <vistaio.h>

   VistaIOBoolean VistaIOWriteFile (file, list)
          FILE *file;
          VistaIOAttrList list;

ARGUMENTS

   file      Specifies  the  open  stream to which the data file should be
             written.

   list      Specifies the list of attributes to be written.

DESCRIPTION

   VistaIOWriteFile writes  an  attribute  list  as  a  Vista  data  file.
   Attributes  are  written  in the order that they appear in the list. As
   they are written, attribute values are  converted  from  internal  form
   (e.g., a VistaIOImage data structure) to external form according to the
   conventions described by VistaIOattribute(3) and VistaIOtype(3).

RETURN VALUE

   If VistaIOWriteFile is successful it returns TRUE. In this case it will
   have  written  everything  from  the Vista data file header to the last
   byte of binary data. If VistaIOWriteFile encounters an error,  however,
   it returns FALSE while perhaps leaving the file incomplete.

SEE ALSO

   VistaIOWriteImages(3), VistaIOWriteObjects(3), VistaIOWriteUbcIff(3),
   stdio(3),
   VistaIOtype(3)

NOTES

   Data is written to the stream sequentially, permitting the stream to be
   a pipe. No rewind is performed either before writing or after.

DIAGNOSTICS

   ``name attribute has unwriteable representation: repn.''
          The  named  attribute  has  a  value that cannot be converted to
          external form. A  VistaIOPointer  value,  for  example,  has  no
          external form.

   ``Write to stream failed.''
          A write to file failed because of an I/O error or a corrupt data
          structure.

AUTHOR

   Art Pope <pope@cs.ubc.ca>

   Adaption to vistaio: Gert Wollny <gw.fossdev@gmail.com>



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