From bug-octave-request at bevo dot che dot wisc dot edu Thu Jan 22 16:05:29 2004
Subject: frewind return
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Fabian at isas-berlin dot de
Cc: bug-octave at bevo dot che dot wisc dot edu
Date: Thu, 22 Jan 2004 16:03:40 -0600

On 12-Dec-2003, Fabian at isas-berlin dot de <Fabian@isas-berlin.de> wrote:

| octave:11> OCTAVE_VERSION
| OCTAVE_VERSION = 2.1.51
| octave:12> computer
| i686-pc-cygwin
| 
| It seems, that numerical 0 is returned if rewind of file is
| successful, in contrast to the documentation of 'frewind'
| which tells me 'ret=1' in case of success :
| 
| 
| octave:13> help frewind   		# or help -i frewind
| frewind is a built-in function
| 
|  - Built-in Function:  frewind (FID)
|      Move the file pointer to the beginning of the file FID, returning
|      1 for success, and 0 if an error was encountered.  It is
|      equivalent to `fseek (FID, 0, SEEK_SET)'.

To be more consistent with other C-style I/O functions, I changed this
so that 0 is success and -1 is failure.

Also, for compatibility with Matlab's frewind function, Octave's
freweind now only returns a value if nargout > 0 (I also made this
change for fprintf and printf).

Thanks,

jwe



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