dont require a buffer for subnegotiations with no data; more efficient for apps that dont use more advanced subnegotiation features
diff --git a/libtelnet.h b/libtelnet.h
index 87f0659..629dace 100644
--- a/libtelnet.h
+++ b/libtelnet.h
@@ -101,7 +101,8 @@
LIBTELNET_STATE_WILL,
LIBTELNET_STATE_WONT,
LIBTELNET_STATE_SB,
- LIBTELNET_STATE_SB_IAC
+ LIBTELNET_STATE_SB_DATA,
+ LIBTELNET_STATE_SB_DATA_IAC
};
/* error codes */
@@ -160,6 +161,8 @@
enum libtelnet_state_t state;
/* processing mode */
enum libtelnet_mode_t mode;
+ /* current subnegotiation telopt */
+ unsigned char sb_telopt;
};
/* initialize a telnet state tracker */