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qemu-io: Support help options for --object

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Instead of parsing help options as normal object properties and
returning an error, provide the same help functionality as the system
emulator in qemu-io, too.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2019-10-11 21:49:17 +02:00
parent 3e9297f365
commit 4fa1f0dc05
1 changed files with 8 additions and 1 deletions
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9
qemu-io.c
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@ -475,6 +475,13 @@ static QemuOptsList qemu_object_opts = {
}, },
}; };
static bool qemu_io_object_print_help(const char *type, QemuOpts *opts)
{
if (user_creatable_print_help(type, opts)) {
exit(0);
}
return true;
}
static QemuOptsList file_opts = { static QemuOptsList file_opts = {
.name = "file", .name = "file",
@ -622,7 +629,7 @@ int main(int argc, char **argv)
qemu_opts_foreach(&qemu_object_opts, qemu_opts_foreach(&qemu_object_opts,
user_creatable_add_opts_foreach, user_creatable_add_opts_foreach,
NULL, &error_fatal); qemu_io_object_print_help, &error_fatal);
if (!trace_init_backends()) { if (!trace_init_backends()) {
exit(1); exit(1);