darwinssl: Fix send glitchiness with data > 32 or so KB

An ambiguity in the SSLWrite() documentation lead to a bad inference in the
code where we assumed SSLWrite() returned the amount of bytes written to
the socket, when that is not actually true; it returns the amount of data
that is buffered for writing to the socket if it returns errSSLWouldBlock.
Now darwinssl_send() returns CURLE_AGAIN if data is buffered but not written.

Reference URL: http://curl.haxx.se/mail/lib-2013-02/0145.html

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/urldata.h b/lib/urldata.h
index 7a275da5e..4849dae16 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -326,6 +326,7 @@ struct ssl_connect_data {
   curl_socket_t ssl_sockfd;
   ssl_connect_state connecting_state;
   bool ssl_direction; /* true if writing, false if reading */
+  size_t ssl_write_buffered_length;
 #endif /* USE_DARWINSSL */
 };