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Add NULL checks on all sqlite3_vfs_find(0) calls. This is not strictly

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necessary.  There are no vulnerabilities here.  However, adding these
checks avoids unnecessary static analyzer complaints.
[forum:/forumpost/ce1193be15|Forum post ce1193be15].

FossilOrigin-Name: 272a15b9f418fb0b31a9808f7c42c20cf52318035ff98935d8e8519634357e8d
This commit is contained in:
drh
2021-06-15 15:15:40 +00:00
parent 972da42749
commit a959bf5311
13 changed files with 37 additions and 25 deletions
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ext/misc/vfslog.c
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@ -754,6 +754,7 @@ static int vlogCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *p){
*/
int sqlite3_register_vfslog(const char *zArg){
vlog_vfs.pVfs = sqlite3_vfs_find(0);
if( vlog_vfs.pVfs==0 ) return SQLITE_ERROR;
vlog_vfs.base.szOsFile = sizeof(VLogFile) + vlog_vfs.pVfs->szOsFile;
return sqlite3_vfs_register(&vlog_vfs.base, 1);
}