libctf/testsuite/libctf-lookup/enum.c

   1 #include <ctf-api.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4
   5 static int
   6 print_enum (const char *name, int val, void *unused)
   7 {
   8   printf ("iter test: %s has value %i\n", name, val);
   9   return 0;
  10 }
  11
  12 int
  13 main (int argc, char *argv[])
  14 {
  15   ctf_dict_t *fp;
  16   ctf_archive_t *ctf;
  17   ctf_id_t type;
  18   const char *name;
  19   ctf_next_t *i = NULL;
  20   int val;
  21   int err;
  22
  23   if (argc != 2)
  24     {
  25       fprintf (stderr, "Syntax: %s PROGRAM\n", argv[0]);
  26       exit(1);
  27     }
  28
  29   if ((ctf = ctf_open (argv[1], NULL, &err)) == NULL)
  30     goto open_err;
  31   if ((fp = ctf_dict_open (ctf, NULL, &err)) == NULL)
  32     goto open_err;
  33
  34   /* Try getting some enum values by hand.  */
  35
  36   if ((type = ctf_lookup_by_name (fp, "enum e") ) == CTF_ERR)
  37     goto err;
  38   if (ctf_enum_value (fp, type, "ENUMSAMPLE_1", &val) < 0)
  39     goto err;
  40   printf ("Enum e enumerand ENUMSAMPLE_1 has value %i\n", val);
  41
  42   if ((name = ctf_enum_name (fp, type, 1)) == NULL)
  43     goto err;
  44   printf ("Enum e enumerand %s has value 1\n", name);
  45
  46   /* Try getting some values using both sorts of iterator.  */
  47
  48   if ((type = ctf_lookup_by_name (fp, "enum ie") ) == CTF_ERR)
  49     goto err;
  50
  51   if ((ctf_enum_iter (fp, type, print_enum, NULL)) < 0)
  52     goto ierr;
  53
  54   while ((name = ctf_enum_next (fp, type, &i, &val)) != NULL)
  55     {
  56       printf ("next test: %s has value %i\n", name, val);
  57     }
  58   if (ctf_errno (fp) != ECTF_NEXT_END)
  59     goto nerr;
  60
  61   ctf_dict_close (fp);
  62   ctf_close (ctf);
  63
  64   return 0;
  65
  66  open_err:
  67   fprintf (stderr, "%s: cannot open: %s\n", argv[0], ctf_errmsg (err));
  68   return 1;
  69  err:
  70   fprintf (stderr, "Lookup failed: %s\n", ctf_errmsg (ctf_errno (fp)));
  71   return 1;
  72  ierr:
  73   fprintf (stderr, "_iter iteration failed: %s\n", ctf_errmsg (ctf_errno (fp)));
  74   return 1;
  75  nerr:
  76   fprintf (stderr, "_next iteration failed: %s\n", ctf_errmsg (ctf_errno (fp)));
  77   return 1;
  78 }