Function encodeTimeoutKey

app/redis-6.2.6/src/timeout.c:96–101

Given client ID and timeout, write the resulting radix tree key in buf. */

/* Given client ID and timeout, write the resulting radix tree key in buf. */
void encodeTimeoutKey(unsigned char *buf, uint64_t timeout, client *c) {
    timeout = htonu64(timeout);
    memcpy(buf,&timeout,sizeof(timeout));
    memcpy(buf+8,&c,sizeof(c));
    if (sizeof(c) == 4) memset(buf+12,0,4); /* Zero padding for 32bit target. */
}

/* Given a key encoded with encodeTimeoutKey(), resolve the fields and write
 * the timeout into *toptr and the client pointer into *cptr. */