qmp: constify QmpCommand and list

Since 0b69f6f72ce47a37a749b056b6d5ec64c61f11e8 "qapi: remove
qmp_unregister_command()", the command list can be declared const.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Message-Id: <20200316171824.2319695-1-marcandre.lureau@redhat.com>
[Rebased]
Signed-off-by: Markus Armbruster <armbru@redhat.com>

7 files changed, 16 insertions, 15 deletions

diff --git a/include/qapi/qmp/dispatch.h b/include/qapi/qmp/dispatch.h
index 9aa426a..5a9cf82 100644
--- a/include/qapi/qmp/dispatch.h
+++ b/include/qapi/qmp/dispatch.h
@@ -39,7 +39,8 @@ typedef QTAILQ_HEAD(QmpCommandList, QmpCommand) QmpCommandList;
 
 void qmp_register_command(QmpCommandList *cmds, const char *name,
                           QmpCommandFunc *fn, QmpCommandOptions options);
-QmpCommand *qmp_find_command(QmpCommandList *cmds, const char *name);
+const QmpCommand *qmp_find_command(const QmpCommandList *cmds,
+                                   const char *name);
 void qmp_disable_command(QmpCommandList *cmds, const char *name);
 void qmp_enable_command(QmpCommandList *cmds, const char *name);
 
@@ -47,13 +48,13 @@ bool qmp_command_is_enabled(const QmpCommand *cmd);
 const char *qmp_command_name(const QmpCommand *cmd);
 bool qmp_has_success_response(const QmpCommand *cmd);
 QDict *qmp_error_response(Error *err);
-QDict *qmp_dispatch(QmpCommandList *cmds, QObject *request,
+QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request,
                     bool allow_oob);
 bool qmp_is_oob(const QDict *dict);
 
-typedef void (*qmp_cmd_callback_fn)(QmpCommand *cmd, void *opaque);
+typedef void (*qmp_cmd_callback_fn)(const QmpCommand *cmd, void *opaque);
 
-void qmp_for_each_command(QmpCommandList *cmds, qmp_cmd_callback_fn fn,
+void qmp_for_each_command(const QmpCommandList *cmds, qmp_cmd_callback_fn fn,
                           void *opaque);
 
 #endif
diff --git a/monitor/monitor-internal.h b/monitor/monitor-internal.h
index 3e6baba..8f60ccc 100644
--- a/monitor/monitor-internal.h
+++ b/monitor/monitor-internal.h
@@ -133,7 +133,7 @@ typedef struct {
      * qmp_capabilities succeeds, we go into command mode, and
      * @command becomes &qmp_commands.
      */
-    QmpCommandList *commands;
+    const QmpCommandList *commands;
     bool capab_offered[QMP_CAPABILITY__MAX]; /* capabilities offered */
     bool capab[QMP_CAPABILITY__MAX];         /* offered and accepted */
     /*
diff --git a/monitor/qmp-cmds-control.c b/monitor/qmp-cmds-control.c
index 5cd9bb8..8f04cfa 100644
--- a/monitor/qmp-cmds-control.c
+++ b/monitor/qmp-cmds-control.c
@@ -101,7 +101,7 @@ VersionInfo *qmp_query_version(Error **errp)
     return info;
 }
 
-static void query_commands_cb(QmpCommand *cmd, void *opaque)
+static void query_commands_cb(const QmpCommand *cmd, void *opaque)
 {
     CommandInfoList *info, **list = opaque;
 
diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
index 44fc368..c30c7ff 100644
--- a/qapi/qmp-dispatch.c
+++ b/qapi/qmp-dispatch.c
@@ -88,14 +88,14 @@ bool qmp_is_oob(const QDict *dict)
         && !qdict_haskey(dict, "execute");
 }
 
-QDict *qmp_dispatch(QmpCommandList *cmds, QObject *request,
+QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request,
                     bool allow_oob)
 {
     Error *err = NULL;
     bool oob;
     const char *command;
     QDict *args;
-    QmpCommand *cmd;
+    const QmpCommand *cmd;
     QDict *dict;
     QObject *id;
     QObject *ret = NULL;
diff --git a/qapi/qmp-registry.c b/qapi/qmp-registry.c
index ca00f74..d0f9a1d 100644
--- a/qapi/qmp-registry.c
+++ b/qapi/qmp-registry.c
@@ -27,7 +27,7 @@ void qmp_register_command(QmpCommandList *cmds, const char *name,
     QTAILQ_INSERT_TAIL(cmds, cmd, node);
 }
 
-QmpCommand *qmp_find_command(QmpCommandList *cmds, const char *name)
+const QmpCommand *qmp_find_command(const QmpCommandList *cmds, const char *name)
 {
     QmpCommand *cmd;
 
@@ -77,10 +77,10 @@ bool qmp_has_success_response(const QmpCommand *cmd)
     return !(cmd->options & QCO_NO_SUCCESS_RESP);
 }
 
-void qmp_for_each_command(QmpCommandList *cmds, qmp_cmd_callback_fn fn,
+void qmp_for_each_command(const QmpCommandList *cmds, qmp_cmd_callback_fn fn,
                           void *opaque)
 {
-    QmpCommand *cmd;
+    const QmpCommand *cmd;
 
     QTAILQ_FOREACH(cmd, cmds, node) {
         fn(cmd, opaque);
diff --git a/qga/commands.c b/qga/commands.c
index 43c323c..f8852be 100644
--- a/qga/commands.c
+++ b/qga/commands.c
@@ -54,7 +54,7 @@ void qmp_guest_ping(Error **errp)
     slog("guest-ping called");
 }
 
-static void qmp_command_info(QmpCommand *cmd, void *opaque)
+static void qmp_command_info(const QmpCommand *cmd, void *opaque)
 {
     GuestAgentInfo *info = opaque;
     GuestAgentCommandInfo *cmd_info;
diff --git a/qga/main.c b/qga/main.c
index e5c39c1..8ee2736 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -359,7 +359,7 @@ static gint ga_strcmp(gconstpointer str1, gconstpointer str2)
 }
 
 /* disable commands that aren't safe for fsfreeze */
-static void ga_disable_non_whitelisted(QmpCommand *cmd, void *opaque)
+static void ga_disable_non_whitelisted(const QmpCommand *cmd, void *opaque)
 {
     bool whitelisted = false;
     int i = 0;
@@ -378,7 +378,7 @@ static void ga_disable_non_whitelisted(QmpCommand *cmd, void *opaque)
 }
 
 /* [re-]enable all commands, except those explicitly blacklisted by user */
-static void ga_enable_non_blacklisted(QmpCommand *cmd, void *opaque)
+static void ga_enable_non_blacklisted(const QmpCommand *cmd, void *opaque)
 {
     GList *blacklist = opaque;
     const char *name = qmp_command_name(cmd);
@@ -918,7 +918,7 @@ int64_t ga_get_fd_handle(GAState *s, Error **errp)
     return handle;
 }
 
-static void ga_print_cmd(QmpCommand *cmd, void *opaque)
+static void ga_print_cmd(const QmpCommand *cmd, void *opaque)
 {
     printf("%s\n", qmp_command_name(cmd));
 }