[Octave-bug-tracker] [bug #35852] fscanf does not read full file

[John W. Eaton]

Follow-up Comment #26, bug #35852 (project octave):

With the proposed patch to discard '+' and change the sign if '-' has been
read, what happens if the input stream contains something like '-X'?  The read
will fail, but I think the read pointer will be positioned at 'X' then instead
of at the '-' character.  I think that could cause trouble also.  Shouldn't a
failed conversion leave the input pointer unchanged?

Note that saving the stream position and seeking won't work reliably either,
because seeking is not guaranteed to work if someone has opened the file in
text mode on a Windows system.


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