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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772732997; 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=+9OSKcd31lWikFWaURufmE/FEdairRVtIzQDpvvKKEY=; b=NGkt8VpwmhaZoXD9rAd7HMjAZFJoHFZxt8HVPPbDGTbVW6xUTT1SSrP8LdhHK8i7SwijYl NcYC0nQ/8LXQ1ujSv3y9XMzeYfAWBT73M7ir4NHGYkzwOem/AiOGAg3FPmimat8vVWz3VV WZ9NxpyQuzqXljTRZ5FeTiVcoVMgyvM= X-MC-Unique: psvm0siEOxyWY7_FxdchnA-1 X-Mimecast-MFC-AGG-ID: psvm0siEOxyWY7_FxdchnA_1772732986 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Cc: Markus Armbruster , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , devel@lists.libvirt.org, qemu-rust@nongnu.org, "Dr. David Alan Gilbert" , Gerd Hoffmann , Christian Schoenebeck , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Manos Pitsidianakis , Eduardo Habkost , Pierrick Bouvier , Paolo Bonzini , Stefan Weil Subject: [PULL 21/27] monitor: refactor error_vprintf() Date: Thu, 5 Mar 2026 17:47:37 +0000 Message-ID: <20260305174743.3084606-22-berrange@redhat.com> In-Reply-To: <20260305174743.3084606-1-berrange@redhat.com> References: <20260305174743.3084606-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.892, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.622, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1772733065921158500 The monitor_vprintf() code will return -1 if either the monitor is NULL, or the monitor is QMP. The error_vprintf() code can take advantage of this to avoid having to duplicate the same checks, and instead simply look at the return value. Reviewed-by: Richard Henderson Reviewed-by: Markus Armbruster Signed-off-by: Daniel P. Berrang=C3=A9 --- monitor/monitor.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/monitor/monitor.c b/monitor/monitor.c index 4d26cd9496..64c552a047 100644 --- a/monitor/monitor.c +++ b/monitor/monitor.c @@ -269,16 +269,21 @@ void monitor_printc(Monitor *mon, int c) } =20 /* - * Print to current monitor if we have one, else to stderr. + * Print to the current human monitor if we have one, else to stderr. */ int error_vprintf(const char *fmt, va_list ap) { Monitor *cur_mon =3D monitor_cur(); - - if (cur_mon && !monitor_cur_is_qmp()) { - return monitor_vprintf(cur_mon, fmt, ap); + /* + * This will return -1 if 'cur_mon' is NULL, or is QMP. + * IOW this will only print if in HMP, otherwise we + * fallback to stderr for QMP / no-monitor scenarios. + */ + int ret =3D monitor_vprintf(cur_mon, fmt, ap); + if (ret =3D=3D -1) { + ret =3D vfprintf(stderr, fmt, ap); } - return vfprintf(stderr, fmt, ap); + return ret; } =20 static MonitorQAPIEventConf monitor_qapi_event_conf[QAPI_EVENT__MAX] =3D { --=20 2.53.0