+int ping_iterator_get_info (pingobj_iter_t *iter, int info,
+ void *buffer, size_t *buffer_len)
+{
+ int ret = EINVAL;
+
+ size_t orig_buffer_len = *buffer_len;
+
+ switch (info)
+ {
+ case PING_INFO_HOSTNAME:
+ ret = ENOMEM;
+ *buffer_len = strlen (iter->hostname);
+ if (orig_buffer_len <= *buffer_len)
+ break;
+ /* Since (orig_buffer_len > *buffer_len) `strncpy'
+ * will copy `*buffer_len' and pad the rest of
+ * `buffer' with null-bytes */
+ strncpy (buffer, iter->hostname, orig_buffer_len);
+ ret = 0;
+ break;
+
+ case PING_INFO_ADDRESS:
+ ret = getnameinfo ((struct sockaddr *) iter->addr,
+ iter->addrlen,
+ (char *) buffer,
+ *buffer_len,
+ NULL, 0,
+ NI_NUMERICHOST);
+ if (ret != 0)
+ {
+ if ((ret == EAI_MEMORY)
+#ifdef EAI_OVERFLOW
+ || (ret == EAI_OVERFLOW)
+#endif
+ )
+ ret = ENOMEM;
+ else if (ret == EAI_SYSTEM)
+ /* XXX: Not thread-safe! */
+ ret = errno;
+ else
+ ret = EINVAL;
+ }
+ break;
+
+ case PING_INFO_FAMILY:
+ ret = ENOMEM;
+ *buffer_len = sizeof (int);
+ if (orig_buffer_len < sizeof (int))
+ break;
+ *((int *) buffer) = iter->addrfamily;
+ ret = 0;
+ break;
+
+ case PING_INFO_LATENCY:
+ ret = ENOMEM;
+ *buffer_len = sizeof (double);
+ if (orig_buffer_len < sizeof (double))
+ break;
+ *((double *) buffer) = iter->latency;
+ ret = 0;
+ break;
+
+ case PING_INFO_SEQUENCE:
+ ret = ENOMEM;
+ *buffer_len = sizeof (unsigned int);
+ if (orig_buffer_len < sizeof (unsigned int))
+ break;
+ *((unsigned int *) buffer) = (unsigned int) iter->sequence;
+ ret = 0;
+ break;
+
+ case PING_INFO_IDENT:
+ ret = ENOMEM;
+ *buffer_len = sizeof (uint16_t);
+ if (orig_buffer_len < sizeof (uint16_t))
+ break;
+ *((uint16_t *) buffer) = (uint16_t) iter->ident;
+ ret = 0;
+ break;
+
+ case PING_INFO_DATA:
+ ret = ENOMEM;
+ *buffer_len = strlen (iter->data);
+ if (orig_buffer_len < *buffer_len)
+ break;
+ strncpy ((char *) buffer, iter->data, orig_buffer_len);
+ ret = 0;
+ break;
+ }
+
+ return (ret);
+}
+
+void *ping_iterator_get_context (pingobj_iter_t *iter)