ChibiOS 2.6.8, until I can figure out where to get it from git.

firmware/chibios/os/various/memstreams.h

@@ -0,0 +1,95 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    memstreams.h
+ * @brief   Memory streams structures and macros.
+ 
+ * @addtogroup memory_streams
+ * @{
+ */
+
+#ifndef _MEMSTREAMS_H_
+#define _MEMSTREAMS_H_
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   @p RamStream specific data.
+ */
+#define _memory_stream_data                                                 \
+  _base_sequential_stream_data                                              \
+  /* Pointer to the stream buffer.*/                                        \
+  uint8_t               *buffer;                                            \
+  /* Size of the stream.*/                                                  \
+  size_t                size;                                               \
+  /* Current end of stream.*/                                               \
+  size_t                eos;                                                \
+  /* Current read offset.*/                                                 \
+  size_t                offset;
+
+/**
+ * @brief   @p MemStream virtual methods table.
+ */
+struct MemStreamVMT {
+  _base_sequential_stream_methods
+};
+
+/**
+ * @extends BaseSequentialStream
+ *
+ * @brief Memory stream object.
+ */
+typedef struct {
+  /** @brief Virtual Methods Table.*/
+  const struct MemStreamVMT *vmt;
+  _memory_stream_data
+} MemoryStream;
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void msObjectInit(MemoryStream *msp, uint8_t *buffer,
+                    size_t size, size_t eos);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MEMSTREAMS_H_ */
+
+/** @} */