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Code changes that make it easier to prove that no 32-bit integer overflows

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happen during memory allocation.  No problems fixed; this change is just
to make future maintenance easier.

FossilOrigin-Name: 215650a5a1d55bdbca9c92524804a1a54456a17f42a17e53747b21a6507506f5
This commit is contained in:
drh
2025-02-17 17:33:14 +00:00
parent ad5dcff53b
commit ef86b942b9
21 changed files with 111 additions and 85 deletions
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4
src/memdb.c
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@@ -567,13 +567,13 @@ static int memdbOpen(
}
if( p==0 ){
MemStore **apNew;
p = sqlite3Malloc( sizeof(*p) + szName + 3 );
p = sqlite3Malloc( sizeof(*p) + (i64)szName + 3 );
if( p==0 ){
sqlite3_mutex_leave(pVfsMutex);
return SQLITE_NOMEM;
}
apNew = sqlite3Realloc(memdb_g.apMemStore,
sizeof(apNew[0])*(memdb_g.nMemStore+1) );
sizeof(apNew[0])*(1+(i64)memdb_g.nMemStore) );
if( apNew==0 ){
sqlite3_free(p);
sqlite3_mutex_leave(pVfsMutex);