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bh=iwyMReqGCDNOFBxtHwsRcSfqU+0MsweNoaL7hdFiK+0=; b=I3wSIn/yxmj1s0Mlye6cYR9vSJJdxnDF3vSCwOu83Xkk+Ex0xrsAkvd9Q6viZj5ITOlxQN lc9SwcuSQyogx8rpEtSaK1/g1ifByaDGH68FpXIK2UKKY1CNCfz+EFbF7vM5HKf/gE5niM a0lmPdoHSmPlzwh1K2mMHyYQCJEEcNM= X-MC-Unique: x-il4T9ZNx6Jav5_Z0z4Tg-1 From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 02/20] monitor: Use GString instead of QString for output buffer Date: Fri, 11 Dec 2020 18:11:34 +0100 Message-Id: <20201211171152.146877-3-armbru@redhat.com> In-Reply-To: <20201211171152.146877-1-armbru@redhat.com> References: <20201211171152.146877-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable 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=216.205.24.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: mdroth@linux.vnet.ibm.com, "Dr . David Alan Gilbert" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" GString has a richer set of string operations than QString. It should be preferred to QString except where we need a QObject or reference counting. We don't here. Switch to GString, and put its richer interface to use. Cc: Dr. David Alan Gilbert Signed-off-by: Markus Armbruster Reviewed-by: Dr. David Alan Gilbert --- monitor/monitor-internal.h | 2 +- monitor/misc.c | 2 +- monitor/monitor.c | 20 ++++++++------------ 3 files changed, 10 insertions(+), 14 deletions(-) diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h index a6131554da..40903d6386 100644 --- a/monitor/monitor-internal.h +++ b/monitor/monitor-internal.h @@ -105,7 +105,7 @@ struct Monitor { * Members that are protected by the per-monitor lock */ QLIST_HEAD(, mon_fd_t) fds; - QString *outbuf; + GString *outbuf; guint out_watch; /* Read under either BQL or mon_lock, written with BQL+mon_lock. */ int mux_out; diff --git a/monitor/misc.c b/monitor/misc.c index 6c3e8506a9..814d22de11 100644 --- a/monitor/misc.c +++ b/monitor/misc.c @@ -136,7 +136,7 @@ char *qmp_human_monitor_command(const char *command_lin= e, bool has_cpu_index, handle_hmp_command(&hmp, command_line); =20 WITH_QEMU_LOCK_GUARD(&hmp.common.mon_lock) { - output =3D g_strdup(qstring_get_str(hmp.common.outbuf)); + output =3D g_strdup(hmp.common.outbuf->str); } =20 out: diff --git a/monitor/monitor.c b/monitor/monitor.c index 84222cd130..1e4a6b3f20 100644 --- a/monitor/monitor.c +++ b/monitor/monitor.c @@ -29,7 +29,6 @@ #include "qapi/qapi-emit-events.h" #include "qapi/qapi-visit-control.h" #include "qapi/qmp/qdict.h" -#include "qapi/qmp/qstring.h" #include "qemu/error-report.h" #include "qemu/option.h" #include "sysemu/qtest.h" @@ -181,22 +180,19 @@ static void monitor_flush_locked(Monitor *mon) return; } =20 - buf =3D qstring_get_str(mon->outbuf); - len =3D qstring_get_length(mon->outbuf); + buf =3D mon->outbuf->str; + len =3D mon->outbuf->len; =20 if (len && !mon->mux_out) { rc =3D qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len); if ((rc < 0 && errno !=3D EAGAIN) || (rc =3D=3D len)) { /* all flushed or error */ - qobject_unref(mon->outbuf); - mon->outbuf =3D qstring_new(); + g_string_truncate(mon->outbuf, 0); return; } if (rc > 0) { /* partial write */ - QString *tmp =3D qstring_from_str(buf + rc); - qobject_unref(mon->outbuf); - mon->outbuf =3D tmp; + g_string_erase(mon->outbuf, 0, rc); } if (mon->out_watch =3D=3D 0) { mon->out_watch =3D @@ -223,9 +219,9 @@ int monitor_puts(Monitor *mon, const char *str) for (i =3D 0; str[i]; i++) { c =3D str[i]; if (c =3D=3D '\n') { - qstring_append_chr(mon->outbuf, '\r'); + g_string_append_c(mon->outbuf, '\r'); } - qstring_append_chr(mon->outbuf, c); + g_string_append_c(mon->outbuf, c); if (c =3D=3D '\n') { monitor_flush_locked(mon); } @@ -602,7 +598,7 @@ void monitor_data_init(Monitor *mon, bool is_qmp, bool = skip_flush, } qemu_mutex_init(&mon->mon_lock); mon->is_qmp =3D is_qmp; - mon->outbuf =3D qstring_new(); + mon->outbuf =3D g_string_new(NULL); mon->skip_flush =3D skip_flush; mon->use_io_thread =3D use_io_thread; } @@ -616,7 +612,7 @@ void monitor_data_destroy(Monitor *mon) } else { readline_free(container_of(mon, MonitorHMP, common)->rs); } - qobject_unref(mon->outbuf); + g_string_free(mon->outbuf, true); qemu_mutex_destroy(&mon->mon_lock); } =20 --=20 2.26.2