#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <unistd.h>
#include <sys/types.h>
#include <err.h>

int execute_me2(char *file, char **args){

    if(!file || !args || !*args) return 1;

    int wstatus;
    pid_t pid = fork();

    if (pid < 0) return -1;

    // Child
    else if (pid == 0) {

        if(file != *args) exit(-1);

        exit(execlp(file, args[0], args[1], (char *)NULL));
    }

    // Daddy
    else {
        
        if(waitpid(pid, &wstatus, 0) ==  -1) return -1; 

        if(WIFEXITED(wstatus)) return WEXITSTATUS(wstatus);
    }
    return 0;
}
/*
int main(){
char *argv[] = {"ls", "-l", NULL};
execute_me2("ls", argv);                 // should be the same as doing "ls -l" in the shell

//char *argv[] = {"ls", "-l", NULL};
int i = execute_me2("wrong", argv);              // should return 255
}*/