/*
 *      changemod
 *
 *      Usage: changemod filename
 *      Sets the users execute permission
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>

#define XPERM 0100

main(int argc, char *argv[])
{
   struct stat statbuf;

   if (argc != 2)
       printf("Usage: changemod file\n");

   if (stat(argv[1], &statbuf)< 0)
   {
        perror("Could not get file atttributes\n");
        exit (1);
   }

   statbuf.st_mode = statbuf.st_mode | XPERM;

   if (chmod(argv[1], statbuf.st_mode) < 0)
   {
       perror("Could not set execute permission\n");
        exit (1);
   }

   exit (0);
}