To let the independent tools(e.g. btrfs-image, btrfs-convert, etc.)
share the convenience of check_argc_* functions, just move it into
utils.c.
Also add a new function "set_argv0" to set the correct tool name:
*btrfs-image*: too few arguments
The original btrfs* tools work as before.
Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
[moved argv0 and check_argc to utils.*]
Signed-off-by: David Sterba <dsterba@suse.cz>
if usage or syntax error happens, we return 1.
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This completely replaces the existing subcommand infrastructure, which
is not flexible enough to accomodate our needs. Instead of a global
command table we now have per-level tables and command group handlers,
which allows command-group-specific handling of options and subcommands.
The new parser exports a clear interface and gets out of the way - all
control over how matching is done is passed to commands and command
group handlers.
One side effect of this is that command implementors have to check the
number of arguments themselves - patch to fix up all existing commands
follows.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
