From patchwork Sun Dec 1 11:15:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 1202845 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="btUKoCBO"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47QmB71HWSz9sRC for ; Sun, 1 Dec 2019 22:25:03 +1100 (AEDT) Received: from localhost ([::1]:50256 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ibNLY-00013N-OZ for incoming@patchwork.ozlabs.org; Sun, 01 Dec 2019 06:25:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:37725) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ibNDw-0001fH-NB for qemu-devel@nongnu.org; Sun, 01 Dec 2019 06:17:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ibNDv-0000G6-Hn for qemu-devel@nongnu.org; Sun, 01 Dec 2019 06:17:08 -0500 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:48650 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ibNDv-0000FX-Dn for qemu-devel@nongnu.org; Sun, 01 Dec 2019 06:17:07 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1575199026; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=b5dSVQLjVail4scWe0BcLaOGlLN2baG+Nh8SgHef6BU=; b=btUKoCBOXVgP1EzFDgERdJRa0xiVrD//s0HtBZpG6wq056GXKn2rZoF2/xfV46mjxlTXHC EiAgU1J109OjyeIdYUp/LgOFw4lT59KjCwZxbw9WKbpTOo0ANkQfp/R2zsNEDyUQ5mYSA+ r3ROBDl/EwouyTI/0747qEZ8XsKHP08= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-338-yk_XX_vnMfuJn23LGqJ01A-1; Sun, 01 Dec 2019 06:17:05 -0500 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 18E7D10054E3 for ; Sun, 1 Dec 2019 11:17:04 +0000 (UTC) Received: from localhost (unknown [10.36.112.15]) by smtp.corp.redhat.com (Postfix) with ESMTP id 97BC260BF7; Sun, 1 Dec 2019 11:16:59 +0000 (UTC) From: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= To: qemu-devel@nongnu.org Subject: [PATCH 09/26] qstring: add qstring_free() Date: Sun, 1 Dec 2019 15:15:14 +0400 Message-Id: <20191201111531.1136947-10-marcandre.lureau@redhat.com> In-Reply-To: <20191201111531.1136947-1-marcandre.lureau@redhat.com> References: <20191201111531.1136947-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: yk_XX_vnMfuJn23LGqJ01A-1 X-Mimecast-Spam-Score: 0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 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: pbonzini@redhat.com, berrange@redhat.com, ehabkost@redhat.com, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Similar to g_string_free(), optionally return the underlying char*. Signed-off-by: Marc-André Lureau --- include/qapi/qmp/qstring.h | 1 + qobject/qstring.c | 27 ++++++++++++++++++++++----- 2 files changed, 23 insertions(+), 5 deletions(-) diff --git a/include/qapi/qmp/qstring.h b/include/qapi/qmp/qstring.h index 3e83e3a95d..e2e356e5e7 100644 --- a/include/qapi/qmp/qstring.h +++ b/include/qapi/qmp/qstring.h @@ -33,6 +33,7 @@ void qstring_append_int(QString *qstring, int64_t value); void qstring_append(QString *qstring, const char *str); void qstring_append_chr(QString *qstring, int c); bool qstring_is_equal(const QObject *x, const QObject *y); +char *qstring_free(QString *qstring, bool return_str); void qstring_destroy_obj(QObject *obj); #endif /* QSTRING_H */ diff --git a/qobject/qstring.c b/qobject/qstring.c index 1c6897df00..b66a2c35f2 100644 --- a/qobject/qstring.c +++ b/qobject/qstring.c @@ -149,16 +149,33 @@ bool qstring_is_equal(const QObject *x, const QObject *y) qobject_to(QString, y)->string); } +/** + * qstring_free(): Free the memory allocated by a QString object + * + * Return: if @return_str, return the underlying string, to be + * g_free(), otherwise NULL is returned. + */ +char *qstring_free(QString *qstring, bool return_str) +{ + char *rv = NULL; + + if (return_str) { + rv = qstring->string; + } else { + g_free(qstring->string); + } + + g_free(qstring); + + return rv; +} + /** * qstring_destroy_obj(): Free all memory allocated by a QString * object */ void qstring_destroy_obj(QObject *obj) { - QString *qs; - assert(obj != NULL); - qs = qobject_to(QString, obj); - g_free(qs->string); - g_free(qs); + qstring_free(qobject_to(QString, obj), FALSE); }