[U-Boot] [U-Boot,v2,3/3] cmd: rework "license" command

[Tom Rini <trini@konsulko.com>]

On Mon, Jan 30, 2017 at 11:12:08AM +0900, Masahiro Yamada wrote:

> The previous commit ("add a new command to show .config contents")
> improves the basic infrastructure of "embed a compressed file into
> the U-Boot image, and print it by a command".  The same pattern for
> the "license" command.
> 
> This commit reworks the command to improve the following:
> 
> [1] Improve log style
> 
> Kbuild style log
> 
>   GZIP    cmd/license_data.gz
>   CHK     cmd/license_data_gz.h
>   UPD     cmd/license_data_gz.h
>   CHK     cmd/license_data_size.h
>   UPD     cmd/license_data_size.h
> 
> instead of the bare Make log:
> 
> cat ./Licenses/gpl-2.0.txt | gzip -9 -c | \
> 		tools/bin2header license_gzip > ./include/license.h
> 
> [2] Collect related code into the "cmd" directory
> 
> Prior to this commit, the license.h was created by tools/Makefile,
> placed under the "include" directory, included from cmd/license.c,
> and deleted by the top-level Makefile.  It is not a good idea to
> scatter related code.
> 
> [3] Drop the fixed-malloc size LICENSE_MAX
> 
> Just allocate the minimum required size of buffer because we know
> the size of the original gpl-2.0.txt.
> 
> [4] Fix more issues
> 
> Terminate the buffer with zero to prevent puts() from over-running.
> Add "static" to do_license.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> Reviewed-by: Simon Glass <sjg@chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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