• Masahiro Yamada's avatar
    cmd: rework "license" command · d726f225
    Masahiro Yamada authored
    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: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
    Reviewed-by: default avatarSimon Glass <sjg@chromium.org>
    d726f225
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