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-rw-r--r--libctf/testsuite/libctf-writable/libctf-errors.c74
-rw-r--r--libctf/testsuite/libctf-writable/libctf-errors.lk1
2 files changed, 75 insertions, 0 deletions
diff --git a/libctf/testsuite/libctf-writable/libctf-errors.c b/libctf/testsuite/libctf-writable/libctf-errors.c
new file mode 100644
index 0000000..71f8268
--- /dev/null
+++ b/libctf/testsuite/libctf-writable/libctf-errors.c
@@ -0,0 +1,74 @@
+/* Make sure that error returns are correct. Usually this is trivially
+ true, but on platforms with unusual type sizes all the casting might
+ cause problems with unexpected sign-extension and truncation. */
+
+#include <ctf-api.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int
+main (int argc, char *argv[])
+{
+ ctf_dict_t *fp;
+ ctf_next_t *i = NULL;
+ size_t boom = 0;
+ ctf_id_t itype, stype;
+ ctf_encoding_t encoding = {0};
+ ctf_membinfo_t mi;
+ ssize_t ret;
+ int err;
+
+ if ((fp = ctf_create (&err)) == NULL)
+ {
+ fprintf (stderr, "%s: cannot create: %s\n", argv[0], ctf_errmsg (err));
+ return 1;
+ }
+
+ /* First error class: int return. */
+
+ if (ctf_member_count (fp, 1024) >= 0)
+ fprintf (stderr, "int return: non-error return: %i\n",
+ ctf_member_count(fp, 1024));
+
+ /* Second error class: type ID return. */
+
+ if (ctf_type_reference (fp, 1024) != CTF_ERR)
+ fprintf (stderr, "ctf_id_t return: non-error return: %li\n",
+ ctf_type_reference (fp, 1024));
+
+ /* Third error class: ssize_t return. Create a type to iterate over first. */
+
+ if ((itype = ctf_add_integer (fp, CTF_ADD_ROOT, "int", &encoding)) == CTF_ERR)
+ fprintf (stderr, "cannot add int: %s\n", ctf_errmsg (ctf_errno (fp)));
+ else if ((stype = ctf_add_struct (fp, CTF_ADD_ROOT, "foo")) == CTF_ERR)
+ fprintf (stderr, "cannot add struct: %s\n", ctf_errmsg (ctf_errno (fp)));
+ else if (ctf_add_member (fp, stype, "bar", itype) < 0)
+ fprintf (stderr, "cannot add member: %s\n", ctf_errmsg (ctf_errno (fp)));
+
+ if (ctf_member_info (fp, stype, "bar", &mi) < 0)
+ fprintf (stderr, "cannot get member info: %s\n", ctf_errmsg (ctf_errno (fp)));
+
+ /* Iteration should never produce an offset bigger than the offset just returned,
+ and should quickly terminate. */
+
+ while ((ret = ctf_member_next (fp, stype, &i, NULL, NULL, 0)) >= 0) {
+ if (ret > mi.ctm_offset)
+ fprintf (stderr, "ssize_t return: unexpected offset: %zi\n", ret);
+ if (boom++ > 1000)
+ {
+ fprintf (stderr, "member iteration went on way too long\n");
+ exit (1);
+ }
+ }
+
+ /* Fourth error class (trivial): pointer return. */
+ if (ctf_type_aname (fp, 1024) != NULL)
+ fprintf (stderr, "pointer return: non-error return: %p\n",
+ ctf_type_aname (fp, 1024));
+
+ ctf_file_close (fp);
+
+ printf("All done.\n");
+
+ return 0;
+}
diff --git a/libctf/testsuite/libctf-writable/libctf-errors.lk b/libctf/testsuite/libctf-writable/libctf-errors.lk
new file mode 100644
index 0000000..b944f73
--- /dev/null
+++ b/libctf/testsuite/libctf-writable/libctf-errors.lk
@@ -0,0 +1 @@
+All done.