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authorMarkus Armbruster <armbru@redhat.com>2020-12-11 18:11:34 +0100
committerMarkus Armbruster <armbru@redhat.com>2020-12-19 10:38:35 +0100
commit20076f4a8c3b275272d0b907f37c126bd91ec1b9 (patch)
treed031d84197d97711dc313f3e066b5657c78780c5
parent436054e22f8447692196ddae7012f6083140e461 (diff)
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monitor: Use GString instead of QString for output buffer
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 <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-3-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
-rw-r--r--monitor/misc.c2
-rw-r--r--monitor/monitor-internal.h2
-rw-r--r--monitor/monitor.c20
3 files changed, 10 insertions, 14 deletions
diff --git a/monitor/misc.c b/monitor/misc.c
index 33d0dae..10444b4 100644
--- a/monitor/misc.c
+++ b/monitor/misc.c
@@ -136,7 +136,7 @@ char *qmp_human_monitor_command(const char *command_line, bool has_cpu_index,
handle_hmp_command(&hmp, command_line);
WITH_QEMU_LOCK_GUARD(&hmp.common.mon_lock) {
- output = g_strdup(qstring_get_str(hmp.common.outbuf));
+ output = g_strdup(hmp.common.outbuf->str);
}
out:
diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h
index a613155..40903d6 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/monitor.c b/monitor/monitor.c
index 84222cd..1e4a6b3 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;
}
- buf = qstring_get_str(mon->outbuf);
- len = qstring_get_length(mon->outbuf);
+ buf = mon->outbuf->str;
+ len = mon->outbuf->len;
if (len && !mon->mux_out) {
rc = qemu_chr_fe_write(&mon->chr, (const uint8_t *) buf, len);
if ((rc < 0 && errno != EAGAIN) || (rc == len)) {
/* all flushed or error */
- qobject_unref(mon->outbuf);
- mon->outbuf = qstring_new();
+ g_string_truncate(mon->outbuf, 0);
return;
}
if (rc > 0) {
/* partial write */
- QString *tmp = qstring_from_str(buf + rc);
- qobject_unref(mon->outbuf);
- mon->outbuf = tmp;
+ g_string_erase(mon->outbuf, 0, rc);
}
if (mon->out_watch == 0) {
mon->out_watch =
@@ -223,9 +219,9 @@ int monitor_puts(Monitor *mon, const char *str)
for (i = 0; str[i]; i++) {
c = str[i];
if (c == '\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 == '\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 = is_qmp;
- mon->outbuf = qstring_new();
+ mon->outbuf = g_string_new(NULL);
mon->skip_flush = skip_flush;
mon->use_io_thread = 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);
}