Assign InvalidXLogRecPtr instead of MemSet(0)

For consistency.

Author: Andres Freund

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 54df3e6df94b304797b69270a4fbcaae95baee61..0b1a9c21d5b560d6a39944410ec16d8b3f30abea 100644 (file)
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -6393,8 +6393,8 @@ CheckRecoveryConsistency(void)
        if (XLByteLT(ControlFile->minRecoveryPoint, EndRecPtr))
            ControlFile->minRecoveryPoint = EndRecPtr;
 
-       MemSet(&ControlFile->backupStartPoint, 0, sizeof(XLogRecPtr));
-       MemSet(&ControlFile->backupEndPoint, 0, sizeof(XLogRecPtr));
+       ControlFile->backupStartPoint = InvalidXLogRecPtr;
+       ControlFile->backupEndPoint = InvalidXLogRecPtr;
        ControlFile->backupEndRequired = false;
        UpdateControlFile();
 
@@ -7330,7 +7330,7 @@ CreateCheckPoint(int flags)
    ControlFile->checkPointCopy = checkPoint;
    ControlFile->time = (pg_time_t) time(NULL);
    /* crash recovery should always recover to the end of WAL */
-   MemSet(&ControlFile->minRecoveryPoint, 0, sizeof(XLogRecPtr));
+   ControlFile->minRecoveryPoint = InvalidXLogRecPtr;
    ControlFile->minRecoveryPointTLI = 0;
    UpdateControlFile();
    LWLockRelease(ControlFileLock);
@@ -8161,7 +8161,7 @@ xlog_redo(XLogRecPtr lsn, XLogRecord *record)
                ControlFile->minRecoveryPoint = lsn;
                ControlFile->minRecoveryPointTLI = ThisTimeLineID;
            }
-           MemSet(&ControlFile->backupStartPoint, 0, sizeof(XLogRecPtr));
+           ControlFile->backupStartPoint = InvalidXLogRecPtr;
            ControlFile->backupEndRequired = false;
            UpdateControlFile();
 

diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index 74357ace295d1aaf4dac2360cc6a69b3a783a1ce..df6ad6df7bb44c4ebe308b11aa49177f37cbfd6a 100644 (file)
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -1115,7 +1115,7 @@ InitWalSenderSlot(void)
             * Found a free slot. Reserve it for us.
             */
            walsnd->pid = MyProcPid;
-           MemSet(&walsnd->sentPtr, 0, sizeof(XLogRecPtr));
+           walsnd->sentPtr = InvalidXLogRecPtr;
            walsnd->state = WALSNDSTATE_STARTUP;
            SpinLockRelease(&walsnd->mutex);
            /* don't need the lock anymore */