[Octave-bug-tracker] [bug #57596] Should the "len" argument of "fgetl" and "fgets" mean bytes or characters

[Markus Mützel]

Follow-up Comment #2, bug #57596 (project octave):

At least for "fgets", we shouldn't remove the "len" argument or we would break
Matlab compatibility. [1]

The word "character" isn't used consistently throughout the manual. Sometimes
it might mean "character entity" (does that include character modifiers?),
sometimes "byte" and sometimes "one element of a vector or matrix of type
'char'".

If we changed how "len" is working right now, the following code snippet might
stop working:

str(1:len) = fgets(fid, len);


But that already might fail if the source is non-UTF-8 and a non-ASCII
character is read.

[1]: https://de.mathworks.com/help/matlab/ref/fgets.html

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