Make smtp_flush() work for TLS channel

[exim.git] / src / src / tls-gnu.c

diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index f3c3835fecd6b6a57d773d3933ac717ccf8a67f4..7b0f2f6adb01248dd0b4c273d2c6ba0a2104d459 100644 (file)
--- a/src/src/tls-gnu.c
+++ b/src/src/tls-gnu.c
@@ -3311,6 +3311,9 @@ Arguments:
   len       number of bytes
   more     more data expected soon
 
+Calling with len zero and more unset will flush buffered writes.  The buff
+argument can be null for that case.
+
 Returns:    the number of bytes after a successful write,
             -1 after a failed write
 */