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tools: dumpimage: Clarify help

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Help message isn't clear over the use of the "-T" option (it's to declare
the type of image that the tool is operating on), which also is optional
as it defaults to the default image type. It's also missing a description
of the "-o" option, so add it.

Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
This commit is contained in:
Martyn Welch 2019-01-26 02:31:54 +00:00 committed by Tom Rini
parent 65a80b43b3
commit e3b4fc9598
1 changed files with 4 additions and 3 deletions
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7
tools/dumpimage.c
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@ -196,9 +196,10 @@ static void usage(void)
" -l ==> list image header information\n",
params.cmdname);
fprintf(stderr,
" %s -T type [-p position] [-o outfile] image\n"
" -T ==> set image type to 'type'\n"
" -p ==> 'position' (starting at 0) of the component to extract from image\n",
" %s [-T type] [-p position] [-o outfile] image\n"
" -T ==> declare image type as 'type'\n"
" -p ==> 'position' (starting at 0) of the component to extract from image\n"
" -o ==> extract component to file 'outfile'\n",
params.cmdname);
fprintf(stderr,
" %s -h ==> print usage information and exit\n",