X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/52236390cb37864f3a17bc922ee358138655df44..30398c0651d976f7ca2713ba9441c117eb37ed1e:/src/src/tls-gnu.c

diff --git a/src/src/tls-gnu.c b/src/src/tls-gnu.c
index f3c3835fe..7b0f2f6ad 100644
--- 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
 */