replace true(1) and false(1) with simple shell scripts

Jake Maciejewski maciejej at msoe.edu
Sun Mar 19 12:57:29 PST 2006


I'm perfectly happy with the current C versions. I was just reporting
what everyone else is doing. If we really want to go nuts, we could
assemble the ELF executables as a raw binaries like in
http://www.muppetlabs.com/~breadbox/software/tiny/teensy.html

On Sat, 2006-03-18 at 23:26 -0800, David Cuthbert wrote:
> Jake Maciejewski wrote:
> > I checked other *NIX distros. NetBSD and OpenBSD use shell scripts,
> > Solaris uses C but with _exit() before the return statement, and GNU
> > uses a C program, but I haven't checked the source.
> 
> Well, as long as we're bikeshedding and optimizing the pointless... ;-)
> 
> % cat true.s
>          .text
>          .globl _start
>          .type _start, @function
> 
> _start:
>          pushl $0
>          pushl $0
>          movl $1, %eax
>          int $0x80
> 
> 
> % cat false.s
>          .text
>          .globl _start
>          .type _start, @function
> 
> _start:
>          pushl $1
>          pushl $0
>          movl $1, %eax
>          int $0x80
-- 
Jake Maciejewski <maciejej at xxxxxxxx>






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