From nobody Sun Feb 8 17:21:09 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1570827450; cv=none; d=zoho.com; s=zohoarc; b=nZHDkCfSzQQZ5ztGwEOQak9ys+uqdP0/YcMe40P9ZjrCrf+BG/67R4Z0/FUKxsor6uxFdef80V0y9GjAcbxkxuBsKRCKhHCP4eZfCTjMt1+F1UlakK7wgOpnAHLYjkZx6sIyGDqg3hdEKJ7AhkX9O1fKBgjGeLhtPB5IguOiHsQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1570827450; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=xQIVV8C8yboW8mgTRhrN87oXWNaORbJBw2xSpBlk++8=; b=JOuYIqUdMc3wBiVI+cu2Ry9nVJplxVH/rhjDVXkvDajbJnfLHhJOLbaJNLz2/e0Tmn2mDKBc90hyPSKSAJyeDfq+dnhhEtDiQr7ETx8xxhwIJoIWpGM1vWO+tSdLlaNLVesRhETKNK7Um8BABcth2f+f3/qd/bPwtpHrhc0Ahw4= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1570827450827873.7038363544864; Fri, 11 Oct 2019 13:57:30 -0700 (PDT) Received: from localhost ([::1]:56914 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iJ1yb-0007gA-Bi for importer@patchew.org; Fri, 11 Oct 2019 16:57:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51740) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iJ1xT-0006Ws-Uf for qemu-devel@nongnu.org; Fri, 11 Oct 2019 16:56:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iJ1xS-0001OB-Jh for qemu-devel@nongnu.org; Fri, 11 Oct 2019 16:56:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50406) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iJ1xP-0001N8-Oj; Fri, 11 Oct 2019 16:56:15 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 081193086228; Fri, 11 Oct 2019 20:56:15 +0000 (UTC) Received: from localhost.localdomain.com (unknown [10.36.118.111]) by smtp.corp.redhat.com (Postfix) with ESMTP id CE0B560600; Fri, 11 Oct 2019 20:56:13 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH 1/4] vl: Split off user_creatable_print_help() Date: Fri, 11 Oct 2019 22:55:48 +0200 Message-Id: <20191011205551.32149-2-kwolf@redhat.com> In-Reply-To: <20191011205551.32149-1-kwolf@redhat.com> References: <20191011205551.32149-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Fri, 11 Oct 2019 20:56:15 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Printing help for --object is something that we don't only want in the system emulator, but also in tools that support --object. Move it into a separate function in qom/object_interfaces.c to make the code accessible for tools. Signed-off-by: Kevin Wolf Reviewed-by: Eric Blake --- include/qom/object_interfaces.h | 12 +++++++ qom/object_interfaces.c | 61 +++++++++++++++++++++++++++++++++ vl.c | 52 +--------------------------- 3 files changed, 74 insertions(+), 51 deletions(-) diff --git a/include/qom/object_interfaces.h b/include/qom/object_interface= s.h index 682ba1d9b0..3e4e1d928b 100644 --- a/include/qom/object_interfaces.h +++ b/include/qom/object_interfaces.h @@ -132,6 +132,18 @@ typedef bool (*user_creatable_add_opts_predicate)(cons= t char *type); int user_creatable_add_opts_foreach(void *opaque, QemuOpts *opts, Error **errp); =20 +/** + * user_creatable_print_help: + * @type: the QOM type to be added + * @opts: options to create + * + * Prints help if requested in @opts. + * + * Returns: true if @opts contained a help option and help was printed, fa= lse + * if no help option was found. + */ +bool user_creatable_print_help(const char *type, QemuOpts *opts); + /** * user_creatable_del: * @id: the unique ID for the object diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c index cb5809934a..46cd6eab5c 100644 --- a/qom/object_interfaces.c +++ b/qom/object_interfaces.c @@ -1,8 +1,11 @@ #include "qemu/osdep.h" + +#include "qemu/cutils.h" #include "qapi/error.h" #include "qapi/qmp/qdict.h" #include "qapi/qmp/qerror.h" #include "qom/object_interfaces.h" +#include "qemu/help_option.h" #include "qemu/module.h" #include "qemu/option.h" #include "qapi/opts-visitor.h" @@ -155,6 +158,64 @@ int user_creatable_add_opts_foreach(void *opaque, Qemu= Opts *opts, Error **errp) return 0; } =20 +bool user_creatable_print_help(const char *type, QemuOpts *opts) +{ + ObjectClass *klass; + + if (is_help_option(type)) { + GSList *l, *list; + + printf("List of user creatable objects:\n"); + list =3D object_class_get_list_sorted(TYPE_USER_CREATABLE, false); + for (l =3D list; l !=3D NULL; l =3D l->next) { + ObjectClass *oc =3D OBJECT_CLASS(l->data); + printf(" %s\n", object_class_get_name(oc)); + } + g_slist_free(list); + return true; + } + + klass =3D object_class_by_name(type); + if (klass && qemu_opt_has_help_opt(opts)) { + ObjectPropertyIterator iter; + ObjectProperty *prop; + GPtrArray *array =3D g_ptr_array_new(); + int i; + + object_class_property_iter_init(&iter, klass); + while ((prop =3D object_property_iter_next(&iter))) { + GString *str; + + if (!prop->set) { + continue; + } + + str =3D g_string_new(NULL); + g_string_append_printf(str, " %s=3D<%s>", prop->name, prop->t= ype); + if (prop->description) { + if (str->len < 24) { + g_string_append_printf(str, "%*s", 24 - (int)str->len,= ""); + } + g_string_append_printf(str, " - %s", prop->description); + } + g_ptr_array_add(array, g_string_free(str, false)); + } + g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0); + if (array->len > 0) { + printf("%s options:\n", type); + } else { + printf("There are no options for %s.\n", type); + } + for (i =3D 0; i < array->len; i++) { + printf("%s\n", (char *)array->pdata[i]); + } + g_ptr_array_set_free_func(array, g_free); + g_ptr_array_free(array, true); + return true; + } + + return false; +} =20 void user_creatable_del(const char *id, Error **errp) { diff --git a/vl.c b/vl.c index 002bf4919e..b86d4e502d 100644 --- a/vl.c +++ b/vl.c @@ -2649,57 +2649,7 @@ static int machine_set_property(void *opaque, */ static bool object_create_initial(const char *type, QemuOpts *opts) { - ObjectClass *klass; - - if (is_help_option(type)) { - GSList *l, *list; - - printf("List of user creatable objects:\n"); - list =3D object_class_get_list_sorted(TYPE_USER_CREATABLE, false); - for (l =3D list; l !=3D NULL; l =3D l->next) { - ObjectClass *oc =3D OBJECT_CLASS(l->data); - printf(" %s\n", object_class_get_name(oc)); - } - g_slist_free(list); - exit(0); - } - - klass =3D object_class_by_name(type); - if (klass && qemu_opt_has_help_opt(opts)) { - ObjectPropertyIterator iter; - ObjectProperty *prop; - GPtrArray *array =3D g_ptr_array_new(); - int i; - - object_class_property_iter_init(&iter, klass); - while ((prop =3D object_property_iter_next(&iter))) { - GString *str; - - if (!prop->set) { - continue; - } - - str =3D g_string_new(NULL); - g_string_append_printf(str, " %s=3D<%s>", prop->name, prop->t= ype); - if (prop->description) { - if (str->len < 24) { - g_string_append_printf(str, "%*s", 24 - (int)str->len,= ""); - } - g_string_append_printf(str, " - %s", prop->description); - } - g_ptr_array_add(array, g_string_free(str, false)); - } - g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0); - if (array->len > 0) { - printf("%s options:\n", type); - } else { - printf("There are no options for %s.\n", type); - } - for (i =3D 0; i < array->len; i++) { - printf("%s\n", (char *)array->pdata[i]); - } - g_ptr_array_set_free_func(array, g_free); - g_ptr_array_free(array, true); + if (user_creatable_print_help(type, opts)) { exit(0); } =20 --=20 2.20.1