From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 other-licenses/7zstub/src/7zip/IStream.h | 62 ++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 other-licenses/7zstub/src/7zip/IStream.h

(limited to 'other-licenses/7zstub/src/7zip/IStream.h')

diff --git a/other-licenses/7zstub/src/7zip/IStream.h b/other-licenses/7zstub/src/7zip/IStream.h
new file mode 100644
index 000000000..d92b89aa7
--- /dev/null
+++ b/other-licenses/7zstub/src/7zip/IStream.h
@@ -0,0 +1,62 @@
+// IStream.h
+
+#ifndef __ISTREAM_H
+#define __ISTREAM_H
+
+#include "../Common/MyUnknown.h"
+#include "../Common/Types.h"
+
+// "23170F69-40C1-278A-0000-000300xx0000"
+
+#define STREAM_INTERFACE_SUB(i, b, x) \
+DEFINE_GUID(IID_ ## i, \
+0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, x, 0x00, 0x00); \
+struct i: public b
+
+#define STREAM_INTERFACE(i, x) STREAM_INTERFACE_SUB(i, IUnknown, x)
+
+STREAM_INTERFACE(ISequentialInStream, 0x01)
+{
+  STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize) PURE;
+  /*
+  Out: if size != 0, return_value = S_OK and (*processedSize == 0),
+    then there are no more bytes in stream.
+  if (size > 0) && there are bytes in stream, 
+  this function must read at least 1 byte.
+  This function is allowed to read less than number of remaining bytes in stream.
+  You must call Read function in loop, if you need exact amount of data
+  */
+};
+
+STREAM_INTERFACE(ISequentialOutStream, 0x02)
+{
+  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize) PURE;
+  /*
+  if (size > 0) this function must write at least 1 byte.
+  This function is allowed to write less than "size".
+  You must call Write function in loop, if you need to write exact amount of data
+  */
+};
+
+STREAM_INTERFACE_SUB(IInStream, ISequentialInStream, 0x03)
+{
+  STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) PURE;
+};
+
+STREAM_INTERFACE_SUB(IOutStream, ISequentialOutStream, 0x04)
+{
+  STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) PURE;
+  STDMETHOD(SetSize)(Int64 newSize) PURE;
+};
+
+STREAM_INTERFACE(IStreamGetSize, 0x06)
+{
+  STDMETHOD(GetSize)(UInt64 *size) PURE;
+};
+
+STREAM_INTERFACE(IOutStreamFlush, 0x07)
+{
+  STDMETHOD(Flush)() PURE;
+};
+
+#endif
-- 
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