Move pb_const_cast to pb_common.c

1 files changed, 6 insertions, 0 deletions

diff --git a/pb_common.h b/pb_common.h
index 4db04d2..47fa2c9 100644
--- a/pb_common.h
+++ b/pb_common.h
@@ -18,6 +18,12 @@ bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_msgdesc_t *desc, void *
 /* Get a field iterator for extension field. */
 bool pb_field_iter_begin_extension(pb_field_iter_t *iter, pb_extension_t *extension);
 
+/* Same as pb_field_iter_begin(), but for const message pointer.
+ * Note that the pointers in pb_field_iter_t will be non-const but shouldn't
+ * be written to when using these functions. */
+bool pb_field_iter_begin_const(pb_field_iter_t *iter, const pb_msgdesc_t *desc, const void *message);
+bool pb_field_iter_begin_extension_const(pb_field_iter_t *iter, const pb_extension_t *extension);
+
 /* Advance the iterator to the next field.
  * Returns false when the iterator wraps back to the first field. */
 bool pb_field_iter_next(pb_field_iter_t *iter);