diff --git a/include/qemu/option.h b/include/qemu/option.h index ba197cddcf2ced115ecfbbaea340d77672515e9b..bdb6d218b435fab78407da888a54f26457f7f54e 100644 --- a/include/qemu/option.h +++ b/include/qemu/option.h @@ -149,6 +149,7 @@ void qemu_opts_set_defaults(QemuOptsList *list, const char *params, QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, Error **errp); QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict); +void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp); typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque); int qemu_opts_print(QemuOpts *opts, void *dummy); diff --git a/util/qemu-option.c b/util/qemu-option.c index 5a1d03c3313466619af9db2d5936b97f6719aca0..8b74bf1f7a24f512c08392687678067c3617c18b 100644 --- a/util/qemu-option.c +++ b/util/qemu-option.c @@ -1066,6 +1066,40 @@ QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict, return opts; } +/* + * Adds all QDict entries to the QemuOpts that can be added and removes them + * from the QDict. When this function returns, the QDict contains only those + * entries that couldn't be added to the QemuOpts. + */ +void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp) +{ + const QDictEntry *entry, *next; + + entry = qdict_first(qdict); + + while (entry != NULL) { + Error *local_err = NULL; + OptsFromQDictState state = { + .errp = &local_err, + .opts = opts, + }; + + next = qdict_next(qdict, entry); + + if (find_desc_by_name(opts->list->desc, entry->key)) { + qemu_opts_from_qdict_1(entry->key, entry->value, &state); + if (error_is_set(&local_err)) { + error_propagate(errp, local_err); + return; + } else { + qdict_del(qdict, entry->key); + } + } + + entry = next; + } +} + /* * Convert from QemuOpts to QDict. * The QDict values are of type QString.