static int parseOptions(int argc, char **argv) {
    int i;

    for (i = 1; i < argc; i++) {
        int lastarg = i==argc-1;

        if (!strcmp(argv[i],"-h") && !lastarg) {
            sdsfree(config.hostip);
            config.hostip = sdsnew(argv[++i]);
        } else if (!strcmp(argv[i],"-h") && lastarg) {
            usage();
        } else if (!strcmp(argv[i],"--help")) {
            usage();
        } else if (!strcmp(argv[i],"-x")) {
            config.stdinarg = 1;
        } else if (!strcmp(argv[i],"-p") && !lastarg) {
            config.hostport = atoi(argv[++i]);
        } else if (!strcmp(argv[i],"-s") && !lastarg) {
            config.hostsocket = argv[++i];
        } else if (!strcmp(argv[i],"-r") && !lastarg) {
            config.repeat = strtoll(argv[++i],NULL,10);
        } else if (!strcmp(argv[i],"-i") && !lastarg) {
            double seconds = atof(argv[++i]);
            config.interval = seconds*1000000;
        } else if (!strcmp(argv[i],"-n") && !lastarg) {
            config.dbnum = atoi(argv[++i]);
        } else if (!strcmp(argv[i],"-a") && !lastarg) {
            fputs("Warning: Using a password with '-a' option on the command line interface may not be safe.\n", stderr);
            config.auth = argv[++i];
        } else if (!strcmp(argv[i],"-u") && !lastarg) {
            parseRedisUri(argv[++i]);
        } else if (!strcmp(argv[i],"--raw")) {
            config.output = OUTPUT_RAW;
        } else if (!strcmp(argv[i],"--no-raw")) {
            config.output = OUTPUT_STANDARD;
        } else if (!strcmp(argv[i],"--csv")) {
            config.output = OUTPUT_CSV;
        } else if (!strcmp(argv[i],"--latency")) {
            config.latency_mode = 1;
        } else if (!strcmp(argv[i],"--latency-dist")) {
            config.latency_dist_mode = 1;
        } else if (!strcmp(argv[i],"--mono")) {
            spectrum_palette = spectrum_palette_mono;
            spectrum_palette_size = spectrum_palette_mono_size;
        } else if (!strcmp(argv[i],"--latency-history")) {
            config.latency_mode = 1;
            config.latency_history = 1;
        } else if (!strcmp(argv[i],"--lru-test") && !lastarg) {
            config.lru_test_mode = 1;
            config.lru_test_sample_size = strtoll(argv[++i],NULL,10);
        } else if (!strcmp(argv[i],"--slave")) {
            config.slave_mode = 1;
        } else if (!strcmp(argv[i],"--stat")) {
            config.stat_mode = 1;
        } else if (!strcmp(argv[i],"--scan")) {
            config.scan_mode = 1;
        } else if (!strcmp(argv[i],"--pattern") && !lastarg) {
            config.pattern = argv[++i];
        } else if (!strcmp(argv[i],"--intrinsic-latency") && !lastarg) {
            config.intrinsic_latency_mode = 1;
            config.intrinsic_latency_duration = atoi(argv[++i]);
        } else if (!strcmp(argv[i],"--rdb") && !lastarg) {
            config.getrdb_mode = 1;
            config.rdb_filename = argv[++i];
        } else if (!strcmp(argv[i],"--pipe")) {
            config.pipe_mode = 1;
        } else if (!strcmp(argv[i],"--pipe-timeout") && !lastarg) {
            config.pipe_timeout = atoi(argv[++i]);
        } else if (!strcmp(argv[i],"--bigkeys")) {
            config.bigkeys = 1;
        } else if (!strcmp(argv[i],"--hotkeys")) {
            config.hotkeys = 1;
        } else if (!strcmp(argv[i],"--eval") && !lastarg) {
            config.eval = argv[++i];
        } else if (!strcmp(argv[i],"--ldb")) {
            config.eval_ldb = 1;
            config.output = OUTPUT_RAW;
        } else if (!strcmp(argv[i],"--ldb-sync-mode")) {
            config.eval_ldb = 1;
            config.eval_ldb_sync = 1;
            config.output = OUTPUT_RAW;
        } else if (!strcmp(argv[i],"-c")) {
            config.cluster_mode = 1;
        } else if (!strcmp(argv[i],"-d") && !lastarg) {
            sdsfree(config.mb_delim);
            config.mb_delim = sdsnew(argv[++i]);
        } else if (!strcmp(argv[i],"-v") || !strcmp(argv[i], "--version")) {
            sds version = cliVersion();
            printf("redis-cli %s\n", version);
            sdsfree(version);
            exit(0);
        } else {
            if (argv[i][0] == '-') {
                fprintf(stderr,
                    "Unrecognized option or bad number of args for: '%s'\n",
                    argv[i]);
                exit(1);
            } else {
                /* Likely the command name, stop here. */
                break;
            }
        }
    }

    /* --ldb requires --eval. */
    if (config.eval_ldb && config.eval == NULL) {
        fprintf(stderr,"Options --ldb and --ldb-sync-mode require --eval.\n");
        fprintf(stderr,"Try %s --help for more information.\n", argv[0]);
        exit(1);
    }
    return i;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.