1 files changed, 12 insertions, 0 deletions
diff --git a/src/core/message.c b/src/core/message.c
index 824fc079..52065bdd 100644
--- a/src/core/message.c
+++ b/src/core/message.c
@@ -456,6 +456,18 @@ nni_msg_realloc(nni_msg *m, size_t sz)
 	return (0);
 }
 
+int
+nni_msg_reserve(nni_msg *m, size_t capacity)
+{
+	return (nni_chunk_grow(&m->m_body, capacity, 0));
+}
+
+size_t
+nni_msg_capacity(nni_msg *m)
+{
+	return ((size_t) ((m->m_body.ch_buf + m->m_body.ch_cap) - m->m_body.ch_ptr));
+}
+
 void *
 nni_msg_header(nni_msg *m)
 {