[Csp-commits] svn:csp r1171 - in trunk/CSP/SimData: . Include/SimData

[<sv...@ww...>]

Author: mkrose
Date: 2004-07-21 00:18:02 -0700 (Wed, 21 Jul 2004)
New Revision: 1171

Modified:
   trunk/CSP/SimData/CHANGES.current
   trunk/CSP/SimData/Include/SimData/CircularBuffer.h
Log:
Add a method to CircularBuffer to undo getReadBuffer (similar to
abandonWriteBuffer.

Browse at: https://www.zerobar.net/viewcvs/viewcvs.cgi?view=rev&rev=1171

Modified: trunk/CSP/SimData/CHANGES.current
===================================================================
--- trunk/CSP/SimData/CHANGES.current	2004-07-19 21:11:16 UTC (rev 1170)
+++ trunk/CSP/SimData/CHANGES.current	2004-07-21 07:18:02 UTC (rev 1171)
@@ -1,11 +1,14 @@
 Version 0.4.0 (in progress)
 ===========================
+2004-07-20: onsight
+  * Add a method to CircularBuffer to undo getReadBuffer (similar to
+    abandonWriteBuffer.
 
 2004-07-19: delta
   * Small mingw32 macro fix in Trace.h.
- 
+
   * .vcproj update.
-  
+
   * SIMDATA_EXPORT symbol to export simdata::EnumLink class.
 
 2004-07-17: onsight

Modified: trunk/CSP/SimData/Include/SimData/CircularBuffer.h
===================================================================
--- trunk/CSP/SimData/Include/SimData/CircularBuffer.h	2004-07-19 21:11:16 UTC (rev 1170)
+++ trunk/CSP/SimData/Include/SimData/CircularBuffer.h	2004-07-21 07:18:02 UTC (rev 1171)
@@ -401,6 +401,17 @@
 		m_read = m_next_read;
 	}
 
+	/** Place the last block returned by getReadBuffer back into the buffer,
+	 *  as though getReadBuffer had never been called.
+	 *
+	 *  This method is idempotent, and can be safely called even if
+	 *  getReadBuffer fails.
+	 */
+	inline void replaceReadBuffer() {
+		assert(m_next_read <= m_limit);
+		m_next_read = m_read;
+	}
+
 };