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Message-ID: <20110816131610.GG26140@barfooze.de>
Date: Tue, 16 Aug 2011 15:16:10 +0200
From: Moritz Wilhelmy <ml+musl@...f.de>
To: musl@...ts.openwall.com
Subject: Re: Anti-bloat side project
On Tue, Aug 16, 2011 at 09:06:43 -0400, Rich Felker wrote:
> Is it possibly implemented as a shell script? The way the shell "read"
> command works, it's required to perform byte-at-a-time reads like
> this. Otherwise, I'm guessing someone just foolishly turned off
> buffering on the FILE...
In fact, it really is a C program, and sadly, it seems they really
implement it that way (by greping over the code for about 30 seconds);
See src/mygetline.c on hg tip[1]:
41 while(1) {
42 res = read(fd, &ch, 1);
Maybe coders need to be educated about how not to write code in order to
avoid (syscall-)bloat?
[1]: http://mlmmj.org/hg/mlmmj/file/tip/src/mygetline.c
Moritz
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