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diff --git a/3rdparty/portaudio/src/common/pa_allocation.h b/3rdparty/portaudio/src/common/pa_allocation.h
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+#ifndef PA_ALLOCATION_H
+#define PA_ALLOCATION_H
+/*
+ * $Id$
+ * Portable Audio I/O Library allocation context header
+ * memory allocation context for tracking allocation groups
+ *
+ * Based on the Open Source API proposed by Ross Bencina
+ * Copyright (c) 1999-2008 Ross Bencina, Phil Burk
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * The text above constitutes the entire PortAudio license; however,
+ * the PortAudio community also makes the following non-binding requests:
+ *
+ * Any person wishing to distribute modifications to the Software is
+ * requested to send the modifications to the original developer so that
+ * they can be incorporated into the canonical version. It is also
+ * requested that these non-binding requests be included along with the
+ * license above.
+ */
+
+/** @file
+ @ingroup common_src
+
+ @brief Allocation Group prototypes. An Allocation Group makes it easy to
+ allocate multiple blocks of memory and free them all at once.
+
+ An allocation group is useful for keeping track of multiple blocks
+ of memory which are allocated at the same time (such as during initialization)
+ and need to be deallocated at the same time. The allocation group maintains
+ a list of allocated blocks, and can free all allocations at once. This
+ can be useful for cleaning up after a partially initialized object fails.
+
+ The allocation group implementation is built on top of the lower
+ level allocation functions defined in pa_util.h
+*/
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif /* __cplusplus */
+
+
+typedef struct
+{
+    long linkCount;
+    struct PaUtilAllocationGroupLink *linkBlocks;
+    struct PaUtilAllocationGroupLink *spareLinks;
+    struct PaUtilAllocationGroupLink *allocations;
+}PaUtilAllocationGroup;
+
+
+
+/** Create an allocation group.
+*/
+PaUtilAllocationGroup* PaUtil_CreateAllocationGroup( void );
+
+/** Destroy an allocation group, but not the memory allocated through the group.
+*/
+void PaUtil_DestroyAllocationGroup( PaUtilAllocationGroup* group );
+
+/** Allocate a block of memory though an allocation group.
+*/
+void* PaUtil_GroupAllocateMemory( PaUtilAllocationGroup* group, long size );
+
+/** Free a block of memory that was previously allocated though an allocation
+ group. Calling this function is a relatively time consuming operation.
+ Under normal circumstances clients should call PaUtil_FreeAllAllocations to
+ free all allocated blocks simultaneously.
+ @see PaUtil_FreeAllAllocations
+*/
+void PaUtil_GroupFreeMemory( PaUtilAllocationGroup* group, void *buffer );
+
+/** Free all blocks of memory which have been allocated through the allocation
+ group. This function doesn't destroy the group itself.
+*/
+void PaUtil_FreeAllAllocations( PaUtilAllocationGroup* group );
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* PA_ALLOCATION_H */