1 #include <ctf-api.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4
5 static int
print_struct(const char * name,ctf_id_t membtype,unsigned long offset,void * fp_)6 print_struct (const char *name, ctf_id_t membtype, unsigned long offset,
7 void *fp_)
8 {
9 ctf_dict_t *fp = (ctf_dict_t *) fp_;
10 char *type_name = ctf_type_aname (fp, membtype);
11
12 printf ("iter test: %s, offset %lx, has type %lx/%s\n",
13 name, offset, membtype, type_name);
14 free (type_name);
15
16 return 0;
17 }
18
19 int
main(int argc,char * argv[])20 main (int argc, char *argv[])
21 {
22 ctf_dict_t *fp;
23 ctf_archive_t *ctf;
24 ctf_id_t type;
25 ctf_next_t *i = NULL;
26 const char *name;
27 ctf_id_t membtype;
28 ssize_t offset;
29 int icount = 0;
30 int err;
31
32 if (argc != 2)
33 {
34 fprintf (stderr, "Syntax: %s PROGRAM\n", argv[0]);
35 exit(1);
36 }
37
38 if ((ctf = ctf_open (argv[1], NULL, &err)) == NULL)
39 goto open_err;
40 if ((fp = ctf_dict_open (ctf, NULL, &err)) == NULL)
41 goto open_err;
42
43 /* Iterate over the structure members with each iterator type in turn. */
44
45 if ((type = ctf_lookup_by_name (fp, "struct foo_t") ) == CTF_ERR)
46 goto err;
47
48 if (ctf_member_iter (fp, type, print_struct, fp) < 0)
49 goto ierr;
50
51 while ((offset = ctf_member_next (fp, type, &i, &name, &membtype,
52 CTF_MN_RECURSE)) >= 0)
53 {
54 char *type_name = ctf_type_aname (fp, membtype);
55
56 printf ("next test: %s, offset %lx, has type %lx/%s\n",
57 name, offset, membtype, type_name);
58 free (type_name);
59 }
60 if (ctf_errno (fp) != ECTF_NEXT_END)
61 goto nerr;
62
63 /* Now make sure the count of members does not include any recursive
64 members. */
65 while ((offset = ctf_member_next (fp, type, &i, &name, &membtype, 0)) >= 0)
66 icount++;
67
68 if (ctf_errno (fp) != ECTF_NEXT_END)
69 goto nerr;
70
71 if (icount != ctf_member_count (fp, type))
72 printf ("member counts differ: %i by direct iteration, "
73 "%i by ctf_member_count\n", icount, ctf_member_count (fp, type));
74
75 ctf_dict_close (fp);
76 ctf_close (ctf);
77
78 return 0;
79
80 open_err:
81 fprintf (stderr, "%s: cannot open: %s\n", argv[0], ctf_errmsg (err));
82 return 1;
83 err:
84 fprintf (stderr, "Lookup failed: %s\n", ctf_errmsg (ctf_errno (fp)));
85 return 1;
86 ierr:
87 fprintf (stderr, "_iter iteration failed: %s\n", ctf_errmsg (ctf_errno (fp)));
88 return 1;
89 nerr:
90 fprintf (stderr, "_next iteration failed: %s\n", ctf_errmsg (ctf_errno (fp)));
91 return 1;
92 }
93