From 20076f4a8c3b275272d0b907f37c126bd91ec1b9 Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Fri, 11 Dec 2020 18:11:34 +0100 Subject: [PATCH] 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 Signed-off-by: Markus Armbruster Message-Id: <20201211171152.146877-3-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert --- monitor/misc.c | 2 +- monitor/monitor-internal.h | 2 +- monitor/monitor.c | 20 ++++++++------------ 3 files changed, 10 insertions(+), 14 deletions(-) diff --git a/monitor/misc.c b/monitor/misc.c index 33d0dae2e8..10444b4e7a 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 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/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; } - 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); }