1 /* Make sure that error returns are correct. Usually this is trivially 2 true, but on platforms with unusual type sizes all the casting might 3 cause problems with unexpected sign-extension and truncation. */ 4 5 #include <ctf-api.h> 6 #include <stdio.h> 7 #include <stdlib.h> 8 9 int 10 main (int argc, char *argv[]) 11 { 12 ctf_dict_t *fp; 13 ctf_next_t *i = NULL; 14 size_t boom = 0; 15 ctf_id_t itype = 0, stype = 0; 16 ctf_encoding_t encoding = {0}; 17 ctf_membinfo_t mi; 18 ssize_t ret; 19 int err; 20 21 if ((fp = ctf_create (&err)) == NULL) 22 { 23 fprintf (stderr, "%s: cannot create: %s\n", argv[0], ctf_errmsg (err)); 24 return 1; 25 } 26 27 /* First error class: int return. */ 28 29 if (ctf_member_count (fp, 1024) >= 0) 30 fprintf (stderr, "int return: non-error return: %i\n", 31 ctf_member_count(fp, 1024)); 32 33 /* Second error class: type ID return. */ 34 35 if (ctf_type_reference (fp, 1024) != CTF_ERR) 36 fprintf (stderr, "ctf_id_t return: non-error return: %li\n", 37 ctf_type_reference (fp, 1024)); 38 39 /* Third error class: ssize_t return. Create a type to iterate over first. */ 40 41 if ((itype = ctf_add_integer (fp, CTF_ADD_ROOT, "int", &encoding)) == CTF_ERR) 42 fprintf (stderr, "cannot add int: %s\n", ctf_errmsg (ctf_errno (fp))); 43 else if ((stype = ctf_add_struct (fp, CTF_ADD_ROOT, "foo")) == CTF_ERR) 44 fprintf (stderr, "cannot add struct: %s\n", ctf_errmsg (ctf_errno (fp))); 45 else if (ctf_add_member (fp, stype, "bar", itype) < 0) 46 fprintf (stderr, "cannot add member: %s\n", ctf_errmsg (ctf_errno (fp))); 47 48 if (ctf_member_info (fp, stype, "bar", &mi) < 0) 49 fprintf (stderr, "cannot get member info: %s\n", ctf_errmsg (ctf_errno (fp))); 50 51 /* Iteration should never produce an offset bigger than the offset just returned, 52 and should quickly terminate. */ 53 54 while ((ret = ctf_member_next (fp, stype, &i, NULL, NULL, 0)) >= 0) { 55 if (ret > mi.ctm_offset) 56 fprintf (stderr, "ssize_t return: unexpected offset: %zi\n", ret); 57 if (boom++ > 1000) 58 { 59 fprintf (stderr, "member iteration went on way too long\n"); 60 exit (1); 61 } 62 } 63 64 /* Fourth error class (trivial): pointer return. */ 65 if (ctf_type_aname (fp, 1024) != NULL) 66 fprintf (stderr, "pointer return: non-error return: %p\n", 67 ctf_type_aname (fp, 1024)); 68 69 ctf_file_close (fp); 70 71 printf("All done.\n"); 72 73 return 0; 74 } 75