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Add another boundary-condition testcase() macro to btree.c. Correct the

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comment on modifyPagePointer(). (CVS 6863)

FossilOrigin-Name: fed66e8695ee552d5ca05ac91485cfc5940e7496
This commit is contained in:
drh
2009-07-08 18:12:49 +00:00
parent b908d76fb8
commit f3aed5944c
3 changed files with 12 additions and 12 deletions
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10
src/btree.c
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@@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.662 2009/07/08 16:54:40 drh Exp $
** $Id: btree.c,v 1.663 2009/07/08 18:12:49 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** See the header comment on "btreeInt.h" for additional information.
@@ -1549,6 +1549,7 @@ static int getAndInitPage(
rc = SQLITE_OK;
}else{
/* Page not in cache. Acquire it. */
testcase( pgno==pagerPagecount(pBt) );
if( pgno>pagerPagecount(pBt) ){
return SQLITE_CORRUPT_BKPT;
}
@@ -2545,10 +2546,9 @@ set_child_ptrmaps_out:
}
/*
** Somewhere on pPage, which is guaranteed to be a btree page, not an overflow
** page, is a pointer to page iFrom. Modify this pointer so that it points to
** iTo. Parameter eType describes the type of pointer to be modified, as
** follows:
** Somewhere on pPage is a pointer to page iFrom. Modify this pointer so
** that it points to iTo. Parameter eType describes the type of pointer to
** be modified, as follows:
**
** PTRMAP_BTREE: pPage is a btree-page. The pointer points at a child
** page of pPage.