Function setDeferredAggregateLen

app/redis-6.2.6/src/networking.c:633–643

Populate the length object and try gluing it to the next chunk. */

/* Populate the length object and try gluing it to the next chunk. */
void setDeferredAggregateLen(client *c, void *node, long length, char prefix) {
    serverAssert(length >= 0);

    /* Abort when *node is NULL: when the client should not accept writes
     * we return NULL in addReplyDeferredLen() */
    if (node == NULL) return;

    char lenstr[128];
    size_t lenstr_len = sprintf(lenstr, "%c%ld\r\n", prefix, length);
    setDeferredReply(c, node, lenstr, lenstr_len);
}

void setDeferredArrayLen(client *c, void *node, long length) {
    setDeferredAggregateLen(c,node,length,'*');