Function replaceClientCommandVector

app/redis-6.2.6/src/networking.c:3115–3128

Completely replace the client command vector with the provided one. */

/* Completely replace the client command vector with the provided one. */
void replaceClientCommandVector(client *c, int argc, robj **argv) {
    int j;
    retainOriginalCommandVector(c);
    freeClientArgv(c);
    zfree(c->argv);
    c->argv = argv;
    c->argc = argc;
    c->argv_len_sum = 0;
    for (j = 0; j < c->argc; j++)
        if (c->argv[j])
            c->argv_len_sum += getStringObjectLen(c->argv[j]);
    c->cmd = lookupCommandOrOriginal(c->argv[0]->ptr);
    serverAssertWithInfo(c,NULL,c->cmd != NULL);
}

/* Rewrite a single item in the command vector.
 * The new val ref count is incremented, and the old decremented.