Function reftable_obj_record_decode

reftable/record.c:559–614

}

static int reftable_obj_record_decode(void *rec, struct reftable_buf key,
				      uint8_t val_type, struct string_view in,
				      uint32_t hash_size REFTABLE_UNUSED,
				      struct reftable_buf *scratch REFTABLE_UNUSED)
{
	struct string_view start = in;
	struct reftable_obj_record *r = rec;
	uint64_t count = val_type;
	int n = 0;
	uint64_t last;

	reftable_obj_record_release(r);

	REFTABLE_ALLOC_ARRAY(r->hash_prefix, key.len);
	if (!r->hash_prefix)
		return REFTABLE_OUT_OF_MEMORY_ERROR;
	memcpy(r->hash_prefix, key.buf, key.len);
	r->hash_prefix_len = key.len;

	if (val_type == 0) {
		n = get_var_int(&count, &in);
		if (n < 0) {
			return n;
		}

		string_view_consume(&in, n);
	}

	r->offsets = NULL;
	r->offset_len = 0;
	if (count == 0)
		return start.len - in.len;

	REFTABLE_ALLOC_ARRAY(r->offsets, count);
	if (!r->offsets)
		return REFTABLE_OUT_OF_MEMORY_ERROR;
	r->offset_len = count;

	n = get_var_int(&r->offsets[0], &in);
	if (n < 0)
		return n;
	string_view_consume(&in, n);

	last = r->offsets[0];
	for (uint64_t j = 1; j < count; j++) {
		uint64_t delta = 0;
		int n = get_var_int(&delta, &in);
		if (n < 0) {
			return n;
		}
		string_view_consume(&in, n);

		last = r->offsets[j] = (delta + last);
	}
	return start.len - in.len;
}

static int not_a_deletion(const void *p REFTABLE_UNUSED)