Re: [PATCH] mailsplit and mailinfo: gracefully handle NUL characters

[Johannes Schindelin <Johannes.Schindelin@xxxxxx>]

Hi,

On Fri, 16 May 2008, Avery Pennarun wrote:

> On 5/16/08, Johannes Schindelin <Johannes.Schindelin@xxxxxx> wrote:
> >         BTW I do not know how much fgetc() instead of fgets() slows
> >         down things, but I expect both to be equally fast because
> >         they are both buffered, right?
> 
> In my experience, fgetc() is pretty fantastically slow because you
> have a function call for every byte (and, I gather, modern libc does
> thread locking for every fgetc).  It's usually much faster to fread()
> into a buffer and then access the buffer.

Hmpf.  I hoped to get more definitive information here.  Especially given 
that fgetc() is nothing more than a glorified fread() into a buffer, and 
then access the buffer.

Well, at least you kind of pointed me to the _unlocked() function family.

Ciao,
Dscho

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