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Fix other potentiall pointer aliasing problems associated with subclassing

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of the sqlite3_file object for various VFS implementations.

FossilOrigin-Name: 270ac1a0f232d75537be40abae559004e950b992cb2c7e94cd6de66e96ae17bd
This commit is contained in:
drh
2020-07-24 09:17:42 +00:00
parent d9059bdb5b
commit 0c52f5a2b0
8 changed files with 20 additions and 1891 deletions
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2
ext/misc/appendvfs.c
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@ -439,7 +439,7 @@ static int apndOpen(
p = (ApndFile*)pFile;
memset(p, 0, sizeof(*p));
pSubFile = ORIGFILE(pFile);
p->base.pMethods = &apnd_io_methods;
pFile->pMethods = &apnd_io_methods;
rc = pSubVfs->xOpen(pSubVfs, zName, pSubFile, flags, pOutFlags);
if( rc ) goto apnd_open_done;
rc = pSubFile->pMethods->xFileSize(pSubFile, &sz);