[U-Boot] [PATCH] cmd_itest.c: also support environment variables as arguments

[Detlev Zundel <dzu@denx.de>]

Hi Frans,

> Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
> ---
>  common/cmd_itest.c |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/common/cmd_itest.c b/common/cmd_itest.c
> index 58c5e7b..78a4082 100644
> --- a/common/cmd_itest.c
> +++ b/common/cmd_itest.c
> @@ -69,6 +69,10 @@ static long evalexp(char *s, int w)
>  	long l = 0;
>  	long *p;
>  
> +	/* if the parameter starts with a $ replace it with the environment value */
> +	if (s[0] == '$') {
> +		s = getenv(&s[1]);
> +	}

This is actually a good idea, but I believe this does not work for the
preferred ${variable} syntax, right?

Cheers
  Detlev

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