[vox-tech] malloc() is ... old school?
Peter Jay Salzman
vox-tech@lists.lugod.org
Wed, 19 Mar 2003 18:21:28 -0800
begin Gabriel Rosa <grosa@ucdavis.edu>
> On Wed, Mar 19, 2003 at 06:08:13PM -0800, Peter Jay Salzman wrote:
> > i've heard this from two people now.
> >
> > some students are being taught they should stay clear of malloc() and
> > instead use calloc() because calloc() is the "old school" way of getting
> > memory dynamically. they're taught that malloc() may not be present in
> > all implementations of the C library. again, because calloc() is "old
> > school". presumably, malloc() is ... new fangled. ;)
> >
> > actually, both people used the words "old school", so i'm assuming
> > that's some kind of quote by the professor.
> >
> > just for my own self-edification, does anyone know anything about this
> > "old school" and "new school" business? i've never heard of it before.
> >
>
> From what I remember, and from a quick manpage check, calloc is the one that
> zeros the allocated chunk for you.
there's another very slight difference - the way you specify the amount
of memory.
> I would assume that's the real reason why people would instruct their students
> in the use of calloc vs malloc. i think you'd be hard pressed to find a c lib
> implementation that didn't have malloc, so the "old school" argument is
> probably just a way to sound like you know what you're doing :)
i'm completely man/info page taught, so i figured there was more to the
story than i know about.
but yeah, that was kind of my first reaction too. :-/
pete
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