Fixes T38 crash with invalid FaxMaxDatagram sdp field

AST-2010-001


git-svn-id: http://svn.digium.com/svn/asterisk/tags/1.6.2.2@244387 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 16 insertions, 0 deletions

diff --git a/include/asterisk/udptl.h b/include/asterisk/udptl.h
index 71d60ed61..3cbfeebb2 100644
--- a/include/asterisk/udptl.h
+++ b/include/asterisk/udptl.h
@@ -108,12 +108,28 @@ void ast_udptl_set_error_correction_scheme(struct ast_udptl *udptl, enum ast_t38
 
 void ast_udptl_set_local_max_ifp(struct ast_udptl *udptl, unsigned int max_ifp);
 
+/*! 
+ * \brief retrieves local_max_datagram.
+ * 
+ * \retval positive value representing max datagram size.
+ * \retval 0 if no value is present
+ */
 unsigned int ast_udptl_get_local_max_datagram(struct ast_udptl *udptl);
 
+/*! 
+ * \brief sets far max datagram size.  If max_datagram is = 0, the far max datagram
+ *  size is set to a default value.
+ */
 void ast_udptl_set_far_max_datagram(struct ast_udptl *udptl, unsigned int max_datagram);
 
 unsigned int ast_udptl_get_far_max_datagram(const struct ast_udptl *udptl);
 
+/*! 
+ * \brief retrieves far max ifp
+ * 
+ * \retval positive value representing max ifp size
+ * \retval 0 if no value is present
+ */
 unsigned int ast_udptl_get_far_max_ifp(struct ast_udptl *udptl);
 
 void ast_udptl_setnat(struct ast_udptl *udptl, int nat);