misc/tst-mntent.c

   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"