#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "helpers.h"

uint64_t get_base_address(uint32_t pid) {
    char maps_file[MAX_PATH_LEN];
    FILE* file;
    char line[MAX_LINE_LEN];
    uint64_t base_address = 0;

    snprintf(maps_file, MAX_PATH_LEN, "/proc/%d/maps", pid);

    file = fopen(maps_file, "r");
    if (file == NULL) {
        perror("fopen");
        exit(EXIT_FAILURE);
    }

    while (fgets(line, sizeof(line), file)) {
        char *address = strtok(line, "-");
        if (address != NULL) {
            base_address = strtoul(address, NULL, 16);
            break;
        }
    }

    fclose(file);

    return base_address;
}