1: #include <sys/types.h>
    2: #include <sys/stat.h>
    3: #include <fcntl.h>
    4: #include <stdio.h>
    5: #include <stdlib.h>
    6: #include <errno.h>
    7: #include <string.h>
    8: #include <unistd.h>
    9: 
   10: static int
   11: test_ebadf (void)
   12: {
   13:   int fd, ret, err;
   14: 
   15:   fd = posix_openpt (O_RDWR);
   16:   if (fd == -1)
   17:     {
   18:       printf ("posix_openpt(O_RDWR) failed\nerrno %d (%s)\n",
   19:               errno, strerror (errno));
   20:       /* We don't fail because of this; maybe the system does not have
   21:          SUS pseudo terminals.  */
   22:       return 0;
   23:     }
   24:   unlockpt (fd);
   25:   close (fd);
   26: 
   27:   ret = grantpt (fd);
   28:   err = errno;
   29:   if (ret != -1 || err != EBADF)
   30:     {
   31:       printf ("grantpt(): expected: return = %d, errno = %d\n", -1, EBADF);
   32:       printf ("           got: return = %d, errno = %d\n", ret, err);
   33:       return 1;
   34:     }
   35:   return 0;
   36: }
   37: 
   38: static int
   39: test_einval (void)
   40: {
   41:   int fd, ret, err;
   42:   const char file[] = "./grantpt-einval";
   43: 
   44:   fd = open (file, O_RDWR | O_CREAT, 0600);
   45:   if (fd == -1)
   46:     {
   47:       printf ("open(\"%s\", O_RDWR) failed\nerrno %d (%s)\n",
   48:               file, errno, strerror (errno));
   49:       return 0;
   50:     }
   51:   unlink (file);
   52: 
   53:   ret = grantpt (fd);
   54:   err = errno;
   55:   if (ret != -1 || err != EINVAL)
   56:     {
   57:       printf ("grantpt(): expected: return = %d, errno = %d\n", -1, EINVAL);
   58:       printf ("           got: return = %d, errno = %d\n", ret, err);
   59:       ret = 1;
   60:     }
   61:   else
   62:     ret = 0;
   63: 
   64:   close (fd);
   65: 
   66:   return ret;
   67: }
   68: 
   69: int
   70: main (void)
   71: {
   72:   int result = 0;
   73: 
   74:   result += test_ebadf ();
   75:   result += test_einval ();
   76: 
   77:   return result;
   78: }