* modules/ssl/ssl_engine_io.c (bio_filter_out_ctrl): Switch

  implementation of BIO_CTRL_PENDING and BIO_CTRL_WPENDING, to return
  zero and pending-bytes-to-write respectively.

PR: 46952
Submitted by: David Smith <David.Smith cern.ch>

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@787722 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/ssl/ssl_engine_io.c b/modules/ssl/ssl_engine_io.c
index 9f06bb92b80d53d1e3a8adbb2481f9768830f210..622083bc61c94c5294ea4e2fbb894ead24f4069f 100644 (file)
--- a/modules/ssl/ssl_engine_io.c
+++ b/modules/ssl/ssl_engine_io.c
@@ -261,10 +261,14 @@ static long bio_filter_out_ctrl(BIO *bio, int cmd, long num, void *ptr)
       case BIO_CTRL_SET_CLOSE:
         bio->shutdown = (int)num;
         break;
-      case BIO_CTRL_WPENDING:
+      case BIO_CTRL_PENDING:
+        /* _PENDING is interpreted as "pending to read" - since this
+         * is a *write* buffer, return zero. */
         ret = 0L;
         break;
-      case BIO_CTRL_PENDING:
+      case BIO_CTRL_WPENDING:
+        /* _WPENDING is interpreted as "pending to write" - return the
+         * number of bytes in ->bb plus buffer. */
         ret = (long)(outctx->blen + outctx->length);
         break;
       case BIO_CTRL_FLUSH: