#include "csapp.h"

/* For each file mentioned on the command line,
   compile it along with "csapp.c" and suitable
   compiler flags. Then run the generated program. */

int main(int argc, char **argv)
{
  //int execve(char *prog, char **argv, char **env);
  int status;
  int i;

  if (i < 2)
    return 0;
  
  for (i = 1; i < argc; i++) {
    char *a[6];
    a[0] = "/bin/gcc";
    a[1] = "-O2";
    a[2] = "-Wall";
    a[3] = argv[i];
    a[4] = "csapp.c";
    a[5] = NULL;
    int pid = Fork();
    if(pid == 0){
      Execve(a[0], a, environ);
      exit(1);
    }
  }

  for (i = 1; i < argc; i++)
    Waitpid(-1, &status, 0); // same as: Wait(&status);

  if (WEXITSTATUS(status) == 0) {
    char *b[2];
    b[0] = "a.out";
    b[1] = 0;
    Execve(b[0], b, environ);
  }

  return 0;
}