4 ms·
Many years ago when reading Redis code I saw the same pattern: they pass around simple pointer to data, but there is a fixed length metadata just before that.
by nopurpose 7mo ago
Many years ago when reading Redis code I saw the same pattern: they pass around simple pointer to data, but there is a fixed length metadata just before that.
- masklinn 7mo agoI assume it’s either Antirez’s sds or a variant / ancestor thereof, yes. It stores a control block at the head of the string, but the pointer points past that block, so it has metadata but “is” a C string.