char *new_str = (char *)malloc(len + 1);
        if (!new_str) {
            LOG_SYS_FATAL("malloc() failed");
        }

    
            if (!buffer) {
                LOG_SYS_FATAL("malloc() failed");
            }

            char *ptr = realloc(vec->data, (n + 1) * vec_aligned_size(vec, item_size));
            if (!ptr) {
                LOG_SYS_FATAL("realloc() failed");
            }
            // it's mandatory to set the pointer here, because next call to any vec_ will do a validation check

            ptr = realloc(vec->data, (vec->length + 1) * vec_aligned_size(vec, item_size));
            if (!ptr) {
                LOG_SYS_FATAL("realloc() failed");
            }
            vec->capacity = vec->length;

            map->states   = old_states;
            map->capacity = old_capacity;
            LOG_SYS_FATAL("calloc() failed");
        }

        int status;
        if (-1 == waitpid(proc->pid, &status, 0)) {
            LOG_SYS_FATAL("Failed to wait for child process");
        }

    #else
        if (WAIT_FAILED == WaitForSingleObject(proc->pi.hProcess, INFINITE)) {
            LOG_SYS_FATAL("Failed to wait for child process");
        }