#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_me(char *cmd, char **argv){

    if (!cmd || !argv || !*argv) return 1;
    
    int wstatus;

    pid_t pid = fork();

    if (pid < 0) return -1;

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

           if (cmd != *argv) exit(-1);
           else exit(execvp(cmd, argv));
    }

    // 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};
int r1 = execute_me("ls", argv);
printf("%d\n", r1);

    int r2 = execute_me("wrong", argv);
    printf("%d\n", r2);
}*/