#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <xcb/xcb.h>

double get_time(void) {
    struct timeval timev;
    gettimeofday(&timev, NULL);
    return (double)timev.tv_sec + (((double)timev.tv_usec) / 1000000);
}

int main() {
    int count = 500;
    xcb_atom_t* atoms = (xcb_atom_t*)malloc(count * sizeof(atoms));
    xcb_intern_atom_cookie_t* cookies =
        (xcb_intern_atom_cookie_t*)malloc(count * sizeof(xcb_intern_atom_cookie_t));
    char** names;
    double end, diff_x;

    /* init names */
    names = (char**)malloc(count * sizeof(char*));
    for (int i = 0; i < count; ++i) {
        char buf[100];
        sprintf(buf, "NAME%d", i);
        names[i] = strdup(buf);
    }

    auto start = get_time();
    xcb_connection_t* connection = xcb_connect(NULL, NULL);
    for (int i = 0; i < count; ++i) {
        cookies[i] = xcb_intern_atom(connection, 0, strlen(names[i]), names[i]);
    }

    for (int i = 0; i < count; i++) {
        xcb_intern_atom_reply_t* r = xcb_intern_atom_reply(connection, cookies[i], 0);
        if (r) {
            atoms[i] = r->atom;
            free(r);
        }
    }
    xcb_disconnect(connection);
    end = get_time();

    diff_x = end - start;
    printf("XCB (good) use time : %f\n", diff_x);

    for (int i = 0; i < count; ++i)
        free(names[i]);
    free(names);
    free(atoms);
    free(cookies);
    return 0;
}