Avoid useless snprintf() call when update_process_title is turned off.

Fujii Masao

diff --git a/src/backend/replication/walreceiver.c b/src/backend/replication/walreceiver.c
index b31cfb4147d21581fd4ef75b414ee2e9855a2c51..af5da50b0fbf36b621fea9ec197d1b2a9a7ed580 100644 (file)
--- a/src/backend/replication/walreceiver.c
+++ b/src/backend/replication/walreceiver.c
@@ -29,7 +29,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/replication/walreceiver.c,v 1.11 2010/06/03 22:17:32 tgl Exp $
+ *       $PostgreSQL: pgsql/src/backend/replication/walreceiver.c,v 1.12 2010/06/07 15:49:30 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -524,7 +524,6 @@ XLogWalRcvFlush(void)
        {
                /* use volatile pointer to prevent code rearrangement */
                volatile WalRcvData *walrcv = WalRcv;
-               char            activitymsg[50];
 
                issue_xlog_fsync(recvFile, recvId, recvSeg);
 
@@ -536,8 +535,14 @@ XLogWalRcvFlush(void)
                SpinLockRelease(&walrcv->mutex);
 
                /* Report XLOG streaming progress in PS display */
-               snprintf(activitymsg, sizeof(activitymsg), "streaming %X/%X",
-                                LogstreamResult.Write.xlogid, LogstreamResult.Write.xrecoff);
-               set_ps_display(activitymsg, false);
+               if (update_process_title)
+               {
+                       char            activitymsg[50];
+
+                       snprintf(activitymsg, sizeof(activitymsg), "streaming %X/%X",
+                                        LogstreamResult.Write.xlogid,
+                                        LogstreamResult.Write.xrecoff);
+                       set_ps_display(activitymsg, false);
+               }
        }
 }