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-rw-r--r--other-licenses/7zstub/src/7zip/Common/StreamUtils.cpp44
1 files changed, 44 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Common/StreamUtils.cpp b/other-licenses/7zstub/src/7zip/Common/StreamUtils.cpp
new file mode 100644
index 000000000..712a78585
--- /dev/null
+++ b/other-licenses/7zstub/src/7zip/Common/StreamUtils.cpp
@@ -0,0 +1,44 @@
+// StreamUtils.cpp
+
+#include "StdAfx.h"
+
+#include "../../Common/MyCom.h"
+#include "StreamUtils.h"
+
+HRESULT ReadStream(ISequentialInStream *stream, void *data, UInt32 size, UInt32 *processedSize)
+{
+ if (processedSize != 0)
+ *processedSize = 0;
+ while(size != 0)
+ {
+ UInt32 processedSizeLoc;
+ HRESULT res = stream->Read(data, size, &processedSizeLoc);
+ if (processedSize != 0)
+ *processedSize += processedSizeLoc;
+ data = (Byte *)((Byte *)data + processedSizeLoc);
+ size -= processedSizeLoc;
+ RINOK(res);
+ if (processedSizeLoc == 0)
+ return S_OK;
+ }
+ return S_OK;
+}
+
+HRESULT WriteStream(ISequentialOutStream *stream, const void *data, UInt32 size, UInt32 *processedSize)
+{
+ if (processedSize != 0)
+ *processedSize = 0;
+ while(size != 0)
+ {
+ UInt32 processedSizeLoc;
+ HRESULT res = stream->Write(data, size, &processedSizeLoc);
+ if (processedSize != 0)
+ *processedSize += processedSizeLoc;
+ data = (const void *)((const Byte *)data + processedSizeLoc);
+ size -= processedSizeLoc;
+ RINOK(res);
+ if (processedSizeLoc == 0)
+ break;
+ }
+ return S_OK;
+}