[PATCH v2 5/7] commands: make run_command variadic

[Sascha Hauer]

On Thu, Feb 12, 2026 at 11:02:07PM +0100, Marco Felsch wrote:
> This prepares run_command() to receive a format string and variadic
> arguments which can become quite handy for board code. It also ensures
> a proper cleanup for the command string and generalizes the error
> message printing.
> 
> Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
> ---
>  common/hush.c     | 23 ++++++++++++++++++++++-
>  common/parser.c   | 24 +++++++++++++++++++++++-
>  include/command.h |  4 ++--
>  3 files changed, 47 insertions(+), 4 deletions(-)
> 
> diff --git a/common/hush.c b/common/hush.c
> index 2e0cc4229d3575dcf045f68ef8db3e943c41eedb..b46a42cc90c863376bb819755afc83271120200f 100644
> --- a/common/hush.c
> +++ b/common/hush.c
> @@ -1922,7 +1922,7 @@ static char * make_string(char ** inp)
>  	return str;
>  }
>  
> -int run_command(const char *cmd)
> +static int __run_command(const char *cmd)
>  {
>  	struct p_context ctx = {};
>  	int ret;
> @@ -1938,6 +1938,27 @@ int run_command(const char *cmd)
>  	return ret;
>  }
>  
> +int run_command(const char *fmt, ...)
> +{
> +	va_list vargs;
> +	char *cmd;
> +	int error;
> +
> +	va_start(vargs, fmt);
> +	cmd = xvasprintf(fmt, vargs);
> +	va_end(vargs);
> +
> +	error = __run_command(cmd);
> +	if (error) {
> +		error_msg("Failed to run CMD: '%s' with %d\n", cmd, error);
> +		free(cmd);
> +		return error;
> +	}

Dropped this error printing while applying. There was no error printing
before this patch and also some commands might intentionally silently
fail, so error printing should be done in the caller.

Sascha

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