Clarify a comment and fix a code formatting issue in btree.c.

FossilOrigin-Name: 4f1a558d0013fbf3fe00bdf5883e61a1f3779831

1 files changed, 4 insertions, 2 deletions

diff --git a/src/btree.c b/src/btree.c
index 72d61cc26..f1a67cab9 100644
--- a/src/btree.c
+++ b/src/btree.c
@@ -5995,13 +5995,15 @@ static int balance_nonroot(
       ** four bytes of the divider cell. So the pointer is safe to use
       ** later on.  
       **
-      ** Unless SQLite is compiled in secure-delete mode. In this case,
+      ** But not if we are in secure-delete mode. In secure-delete mode,
       ** the dropCell() routine will overwrite the entire cell with zeroes.
       ** In this case, temporarily copy the cell into the aOvflSpace[]
       ** buffer. It will be copied out again as soon as the aSpace[] buffer
       ** is allocated.  */
       if( pBt->secureDelete ){
-        int iOff = SQLITE_PTR_TO_INT(apDiv[i]) - SQLITE_PTR_TO_INT(pParent->aData);
+        int iOff;
+
+        iOff = SQLITE_PTR_TO_INT(apDiv[i]) - SQLITE_PTR_TO_INT(pParent->aData);
         if( (iOff+szNew[i])>(int)pBt->usableSize ){
           rc = SQLITE_CORRUPT_BKPT;
           memset(apOld, 0, (i+1)*sizeof(MemPage*));