#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <sys/stat.h>

#define SHM_NAME "/breathing_color_shm" // Shared memory name (same as in exo.c)
#define COLOR_SIZE 8  // Size for one color (e.g., #RRGGBB)

int main() {
    int shm_fd;
    char *shm_ptr;

    // Open shared memory object
    shm_fd = shm_open(SHM_NAME, O_RDONLY, 0666);
    if (shm_fd == -1) {
        perror("Failed to open shared memory");
        return 1;
    }

    // Map shared memory into the process's address space
    shm_ptr = mmap(NULL, COLOR_SIZE, PROT_READ, MAP_SHARED, shm_fd, 0);
    if (shm_ptr == MAP_FAILED) {
        perror("Failed to map shared memory");
        close(shm_fd);
        return 1;
    }

    // Read the color from shared memory and print it
    printf("Breathing color: %s\n", shm_ptr);

    // Clean up
    munmap(shm_ptr, COLOR_SIZE);
    close(shm_fd);

    return 0;
}