// Put stores an item in the database.
//
// See mdb_cursor_put.
func (c *Cursor) Put(key, val []byte, flags uint) error {
if len(key) == 0 {
return c.putNilKey(flags)
}
vn := len(val)
if vn == 0 {
val = []byte{0}
}
ret := C.lmdbgo_mdb_cursor_put2(
c._c,
(*C.char)(unsafe.Pointer(&key[0])), C.size_t(len(key)),
(*C.char)(unsafe.Pointer(&val[0])), C.size_t(len(val)),
C.uint(flags),
)
return operrno("mdb_cursor_put", ret)
}
func (c *Cursor) putNilKey(flags uint) error {
ret := C.lmdbgo_mdb_cursor_put2(c._c, nil, 0, nil, 0, C.uint(flags))
return operrno("mdb_cursor_put", ret)
}