Function parse_options

ds4_bench.c:168–329

    }
    if (fseek(fp, 0, SEEK_END) != 0) {
        fprintf(stderr, "ds4-bench: failed to seek %s\n", path);
        fclose(fp);
        exit(1);
    }
    long n = ftell(fp);
    if (n < 0) {
        fprintf(stderr, "ds4-bench: failed to tell %s\n", path);
        fclose(fp);
        exit(1);
    }
    if (fseek(fp, 0, SEEK_SET) != 0) {
        fprintf(stderr, "ds4-bench: failed to rewind %s\n", path);
        fclose(fp);
        exit(1);
    }
    char *buf = malloc((size_t)n + 1);
    if (!buf) {
        fprintf(stderr, "ds4-bench: out of memory reading %s\n", path);
        fclose(fp);
        exit(1);
    }
    if (fread(buf, 1, (size_t)n, fp) != (size_t)n) {
        fprintf(stderr, "ds4-bench: failed to read %s\n", path);
        free(buf);
        fclose(fp);
        exit(1);
    }
    fclose(fp);
    buf[n] = '\0';
    return buf;
}

static bench_config parse_options(int argc, char **argv) {
    bench_config c = {
        .model_path = "ds4flash.gguf",
        .system = "You are a helpful assistant.",
        .backend = default_backend(),
        .ctx_start = 2048,
        .ctx_max = 32768,
        .step_incr = 2048,
        .gen_tokens = 128,
        .step_mul = 1.0,
    };

    for (int i = 1; i < argc; i++) {
        const char *arg = argv[i];
        if (!strcmp(arg, "-h") || !strcmp(arg, "--help")) {
            const char *topic = (i + 1 < argc && argv[i + 1][0] != '-') ?
                argv[i + 1] : NULL;
            usage(stdout, topic);
            exit(0);
        }
        char dist_parse_err[256] = {0};
        ds4_dist_cli_parse_result dist_parse =
            ds4_dist_parse_cli_arg(arg,
                                   &i,
                                   argc,
                                   argv,