[PATCH] commands: digest: show area info only if necessary

[Sascha Hauer]

On Wed, Apr 05, 2017 at 01:02:38PM +0300, Antony Pavlov wrote:
> Area info "0x00000000 ... 0xffffffffffffffff" in digest
> commands output is something strange and misleading, e.g.
> 
>   barebox at barebox sandbox:/ md5sum logo/barebox-logo-240.png
>   d3226a0eba3fd49af6bd190b077a3466  logo/barebox-logo-240.png 0x00000000 ... 0xffffffffffffffff
> 
> Also skipping area info in the barebox digets commands
> output for every file makes it more similar to traditional
> *nix digest commands output.
> 
> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>

Applied, thanks. This really looks nicer now.

Sascha

> ---
>  commands/digest.c | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/commands/digest.c b/commands/digest.c
> index 02a9f6f0d..0edbbec32 100644
> --- a/commands/digest.c
> +++ b/commands/digest.c
> @@ -36,12 +36,16 @@ int __do_digest(struct digest *d, unsigned char *sig,
>  	while (*argv) {
>  		char *filename = "/dev/mem";
>  		loff_t start = 0, size = ~0;
> +		int show_area = 1;
>  
>  		/* arguments are either file, file+area or area */
>  		if (parse_area_spec(*argv, &start, &size)) {
>  			filename = *argv;
> -			if (argv[1] && !parse_area_spec(argv[1], &start, &size))
> +			show_area = 0;
> +			if (argv[1] && !parse_area_spec(argv[1], &start, &size)) {
>  				argv++;
> +				show_area = 1;
> +			}
>  		}
>  
>  		ret = digest_file_window(d, filename,
> @@ -53,8 +57,12 @@ int __do_digest(struct digest *d, unsigned char *sig,
>  				for (i = 0; i < digest_length(d); i++)
>  					printf("%02x", hash[i]);
>  
> -				printf("  %s\t0x%08llx ... 0x%08llx\n",
> -					filename, start, start + size);
> +				printf("  %s", filename);
> +				if (show_area)
> +					printf("\t0x%08llx ... 0x%08llx",
> +						start, start + size);
> +
> +				puts("\n");
>  			}
>  		}
>  
> -- 
> 2.11.0
> 
> 

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