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Check preupdate value fetch result to avoid NULL dereference

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This commit is contained in:
Yasuhiro Matsumoto
2026-07-13 10:48:33 +09:00
parent 78710fc089
commit 82d5507d2c
1 changed files with 6 additions and 2 deletions
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8
sqlite3_opt_preupdate_hook.go
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@@ -59,13 +59,17 @@ func (d *SQLitePreUpdateData) row(dest []any, new bool) error {
for i := 0; i < d.Count() && i < len(dest); i++ {
var val *C.sqlite3_value
var src any
var rc C.int
// Initially I tried making this just a function pointer argument, but
// it's absurdly complicated to pass C function pointers.
if new {
C.sqlite3_preupdate_new(d.Conn.db, C.int(i), &val)
rc = C.sqlite3_preupdate_new(d.Conn.db, C.int(i), &val)
} else {
C.sqlite3_preupdate_old(d.Conn.db, C.int(i), &val)
rc = C.sqlite3_preupdate_old(d.Conn.db, C.int(i), &val)
}
if rc != C.SQLITE_OK {
return Error{Code: ErrNo(rc)}
}
switch C.sqlite3_value_type(val) {