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qom: Add user_creatable_parse_str()

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The system emulator has a more complicated way of handling command line
options in that it reorders options before it processes them. This means
that parsing object options and creating the object happen at two
different points. Split the parsing part into a separate function that
can be reused by the system emulator command line.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf 2021-02-19 18:14:01 +01:00
parent da0a932bbf
commit ddf6dae7e3
2 changed files with 29 additions and 6 deletions
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20
qom/object_interfaces.c
View file

@ -293,7 +293,7 @@ static void user_creatable_print_help_from_qdict(QDict *args)
}
}
bool user_creatable_add_from_str(const char *optarg, Error **errp)
ObjectOptions *user_creatable_parse_str(const char *optarg, Error **errp)
{
ERRP_GUARD();
QDict *args;
@ -303,12 +303,12 @@ bool user_creatable_add_from_str(const char *optarg, Error **errp)
args = keyval_parse(optarg, "qom-type", &help, errp);
if (*errp) {
return false;
return NULL;
}
if (help) {
user_creatable_print_help_from_qdict(args);
qobject_unref(args);
return false;
return NULL;
}
v = qobject_input_visitor_new_keyval(QOBJECT(args));
@ -316,12 +316,20 @@ bool user_creatable_add_from_str(const char *optarg, Error **errp)
visit_free(v);
qobject_unref(args);
if (*errp) {
goto out;
return options;
}
bool user_creatable_add_from_str(const char *optarg, Error **errp)
{
ERRP_GUARD();
ObjectOptions *options;
options = user_creatable_parse_str(optarg, errp);
if (!options) {
return false;
}
user_creatable_add_qapi(options, errp);
out:
qapi_free_ObjectOptions(options);
return !*errp;
}