* Rules for callback:
* 1) Return false on IO errors. This will cause decoding to abort.
*
- * 2) If buf is NULL, read but don't store bytes ("skip input").
- *
- * 3) You can use state to store your own data (e.g. buffer pointer),
+ * 2) You can use state to store your own data (e.g. buffer pointer),
* and rely on pb_read to verify that no-body reads past bytes_left.
*
- * 4) Your callback may be used with substreams, in which case bytes_left
+ * 3) Your callback may be used with substreams, in which case bytes_left
* is different than from the main stream. Don't use bytes_left to compute
* any pointers.
*/
*/
bool pb_decode(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
+/* Same as pb_decode, except does not initialize the destination structure
+ * to default values. This is slightly faster if you need no default values
+ * and just do memset(struct, 0, sizeof(struct)) yourself.
+ */
+bool pb_decode_noinit(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
+
/* --- Helper functions ---
* You may want to use these from your caller or callbacks.
*/