Re: [PATCH 3/3] exterminate strtok - usr/gen_init_cpio.c

[Horst von Brand <vonbrand@inf.utfsm.cl>]

Jesper Juhl <jesper.juhl@gmail.com> wrote:
> Convert strtok() use to strsep() in usr/gen_init_cpio.c

This is userland code...

No, I'm not looking it over carfully, just a fast look over.

> I've compile tested this patch and it compiles fine.

You should be able ti test it then.

> I build a 2.6.13-rc6-mm2 kernel with the patch applied without problems, and
> the resulting kernel boots and runs just fine (using it right now).
> But despite this basic testing it would still be nice if someone would 
> double-check that I haven't made some silly mistake that would break some 
> other setup than mine.
> 
> 
> Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
> ---
> 
>  gen_init_cpio.c |   31 ++++++++++++++++++++++---------
>  1 files changed, 22 insertions(+), 9 deletions(-)
> 
> --- linux-2.6.13-rc6-mm2-orig/usr/gen_init_cpio.c	2005-06-17 21:48:29.000000000 +0200
> +++ linux-2.6.13-rc6-mm2/usr/gen_init_cpio.c	2005-08-24 18:58:21.000000000 +0200
> @@ -438,7 +438,7 @@ struct file_handler file_handler_table[]
>  int main (int argc, char *argv[])
>  {
>  	FILE *cpio_list;
> -	char line[LINE_SIZE];
> +	char *line, *ln;

No need for this, there is no particular stack frugality requirement with
user code.

>  	char *args, *type;
>  	int ec = 0;
>  	int line_nr = 0;
> @@ -455,7 +455,14 @@ int main (int argc, char *argv[])
>  		exit(1);
>  	}
>  
> -	while (fgets(line, LINE_SIZE, cpio_list)) {
> +	ln = malloc(LINE_SIZE);

Ditto.

[...]

> -		if ('\n' == *type) {
> +		if (!*type || '\n' == *type) {

Redundant. If *type == '\n', it is certainly != 0.
-- 
Dr. Horst H. von Brand                   User #22616 counter.li.org
Departamento de Informatica                     Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria              +56 32 654239
Casilla 110-V, Valparaiso, Chile                Fax:  +56 32 797513
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