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[PATCH] Use SSL_MODE_RELEASE_BUFFERS if available, reducing memory usage

From: Cristian Rodríguez <crrodriguez_at_opensuse.org>
Date: Wed, 3 Aug 2011 16:20:45 -0400

See also :
http://www.openssl.org/docs/ssl/SSL_CTX_set_mode.html
http://www.imperialviolet.org/2010/06/25/overclocking-ssl.html

Signed-off-by: Cristian Rodríguez <crrodriguez_at_opensuse.org>

---
 lib/ssluse.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/lib/ssluse.c b/lib/ssluse.c
index 91ed93b..3d5645b 100644
--- a/lib/ssluse.c
+++ b/lib/ssluse.c
@@ -1489,6 +1489,10 @@ ossl_connect_step1(struct connectdata *conn,
     return CURLE_OUT_OF_MEMORY;
   }
 
+#ifdef SSL_MODE_RELEASE_BUFFERS
+    SSL_CTX_set_mode(connssl->ctx, SSL_MODE_RELEASE_BUFFERS);
+#endif
+
 #ifdef SSL_CTRL_SET_MSG_CALLBACK
   if(data->set.fdebug && data->set.verbose) {
     /* the SSL trace callback is only used for verbose logging so we only
-- 
1.7.4.1
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Received on 2011-08-03

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