1  #include <mntent.h>
       2  #include <stdio.h>
       3  #include <string.h>
       4  
       5  
       6  static int
       7  do_test (void)
       8  {
       9    int result = 0;
      10    struct mntent mef;
      11    struct mntent *mnt = &mef;
      12    FILE *fp;
      13  
      14    mef.mnt_fsname = strdupa ("/dev/hda1");
      15    mef.mnt_dir = strdupa ("/some dir");
      16    mef.mnt_type = strdupa ("ext2");
      17    mef.mnt_opts = strdupa ("defaults");
      18    mef.mnt_freq = 1;
      19    mef.mnt_passno = 2;
      20  
      21    if (hasmntopt (mnt, "defaults"))
      22      printf ("Found!\n");
      23    else
      24      {
      25        printf ("Didn't find it\n");
      26        result = 1;
      27      }
      28  
      29    fp = tmpfile ();
      30    if (fp == NULL)
      31      {
      32        printf ("Cannot open temporary file: %m\n");
      33        result = 1;
      34      }
      35    else
      36      {
      37        char buf[1024];
      38  
      39        /* Write the name entry.  */
      40        addmntent (fp, &mef);
      41  
      42        /* Prepare for reading.  */
      43        rewind (fp);
      44  
      45        /* First, read it raw.  */
      46        if (fgets (buf, sizeof (buf), fp) == NULL)
      47  	{
      48  	  printf ("Cannot read temporary file: %m");
      49  	  result = 1;
      50  	}
      51        else
      52  	if (strcmp (buf, "/dev/hda1 /some\\040dir ext2 defaults 1 2\n") != 0)
      53  	  {
      54  	    puts ("Raw file data not correct");
      55  	    result = 1;
      56  	  }
      57  
      58        /* Prepare for reading, part II.  */
      59        rewind (fp);
      60  
      61        /* Now read it cooked.  */
      62        mnt = getmntent (fp);
      63  
      64        if (strcmp (mnt->mnt_fsname, "/dev/hda1") != 0
      65  	  || strcmp (mnt->mnt_dir, "/some dir") != 0
      66  	  || strcmp (mnt->mnt_type, "ext2") != 0
      67  	  || strcmp (mnt->mnt_opts, "defaults") != 0
      68  	  || mnt->mnt_freq != 1
      69  	  || mnt->mnt_passno != 2)
      70  	{
      71  	  puts ("Error while reading written entry back in");
      72  	  result = 1;
      73  	}
      74     }
      75  
      76    return result;
      77  }
      78  
      79  #define TEST_FUNCTION do_test ()
      80  #include "../test-skeleton.c"