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Improve a specific case of early database corruption dectecion in the b-tree layer.

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FossilOrigin-Name: ceacc28b035803342764f9b696c1e80edcd259b87ea4fb46f92963d6cb33de3e
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dan
2020-01-03 15:51:23 +00:00
parent 4c983b2f86
commit 9a20ea9b5b
5 changed files with 60 additions and 31 deletions
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src/btree.c
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@@ -1897,7 +1897,7 @@ static int btreeComputeFreeSpace(MemPage *pPage){
nFree = data[hdr+7] + top; /* Init nFree to non-freeblock free space */
if( pc>0 ){
u32 next, size;
if( pc<iCellFirst ){
if( pc<top ){
/* EVIDENCE-OF: R-55530-52930 In a well-formed b-tree page, there will
** always be at least one cell before the first freeblock.
*/