- markus@cvs.openbsd.org 2008/05/08 06:59:01
[bufaux.c buffer.h channels.c packet.c packet.h]
avoid extra malloc/copy/free when receiving data over the net;
~10% speedup for localhost-scp; ok djm@
diff --git a/bufaux.c b/bufaux.c
index cbdc22c..f033639 100644
--- a/bufaux.c
+++ b/bufaux.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bufaux.c,v 1.44 2006/08/03 03:34:41 deraadt Exp $ */
+/* $OpenBSD: bufaux.c,v 1.45 2008/05/08 06:59:01 markus Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -197,6 +197,22 @@
return (ret);
}
+void *
+buffer_get_string_ptr(Buffer *buffer, u_int *length_ptr)
+{
+ void *ptr;
+ u_int len;
+
+ len = buffer_get_int(buffer);
+ if (len > 256 * 1024)
+ fatal("buffer_get_string_ptr: bad string length %u", len);
+ ptr = buffer_ptr(buffer);
+ buffer_consume(buffer, len);
+ if (length_ptr)
+ *length_ptr = len;
+ return (ptr);
+}
+
/*
* Stores and arbitrary binary string in the buffer.
*/