X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FModules%2FIPStack%2Finclude%2Fbuffer.h;h=749fc18142d715bdc559adb0b548e937dd4bccd1;hb=e47f509e07718893b837826f981085829cf16c84;hp=62c1308c2eae0cc465d876d71a526f19366a6ec3;hpb=849329d50395b44ac97c5b5145fc2df0749eace2;p=tpg%2Facess2.git

diff --git a/KernelLand/Modules/IPStack/include/buffer.h b/KernelLand/Modules/IPStack/include/buffer.h
index 62c1308c..749fc181 100644
--- a/KernelLand/Modules/IPStack/include/buffer.h
+++ b/KernelLand/Modules/IPStack/include/buffer.h
@@ -15,6 +15,10 @@ typedef void	(*tIPStackBufferCb)(void *Arg, size_t HeadLen, size_t FootLen, cons
  * \brief Create a buffer object, with space for \a MaxSubBuffers calls to IPStack_Buffer_AppendSubBuffer
  */
 extern tIPStackBuffer	*IPStack_Buffer_CreateBuffer(int MaxSubBuffers);
+/**
+ * \brief Clear a buffer object without deallocating it
+ */
+extern void	IPStack_Buffer_ClearBuffer(tIPStackBuffer *Buffer);
 /**
  * \brief Destory a created buffer object
  */
@@ -38,6 +42,15 @@ extern void	IPStack_Buffer_AppendSubBuffer(tIPStackBuffer *Buffer,
  * \brief Get the total length of a buffer
  */
 extern size_t	IPStack_Buffer_GetLength(tIPStackBuffer *Buffer);
+
+/**
+ * \brief Copy data from a buffer to a preallocated flat buffer
+ * \param Dest	Destination flat buffer
+ * \param MaxBytes	Maximum number of bytes to copy (size of \a Dest)
+ * \return Number of bytes copied
+ */
+extern size_t	IPStack_Buffer_GetData(tIPStackBuffer *Buffer, void *Dest, size_t MaxBytes);
+
 /**
  * \brief Get a sub-buffer from the buffer object
  * \param PrevID	Previous return value, or -1 to start
@@ -54,5 +67,8 @@ extern int	IPStack_Buffer_GetBuffer(tIPStackBuffer *Buffer, int PrevID, size_t *
  */
 extern void	*IPStack_Buffer_CompactBuffer(tIPStackBuffer *Buffer, size_t *Length);
 
+extern void	IPStack_Buffer_LockBuffer(tIPStackBuffer *Buffer);
+extern void	IPStack_Buffer_UnlockBuffer(tIPStackBuffer *Buffer);
+
 #endif