From d15172cfe1ac8558567c1b1c10c2e671b0d1f033 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Thu, 3 Feb 2022 14:55:17 +0800
Subject: ...

---
 src/common/platform/win/BridgeComStream.cpp | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

(limited to 'src/common/platform/win/BridgeComStream.cpp')

diff --git a/src/common/platform/win/BridgeComStream.cpp b/src/common/platform/win/BridgeComStream.cpp
index eaa53b92..d324a4c2 100644
--- a/src/common/platform/win/BridgeComStream.cpp
+++ b/src/common/platform/win/BridgeComStream.cpp
@@ -50,15 +50,23 @@ HRESULT BridgeComStream::Write(const void *pv, ULONG cb, ULONG *pcbWritten) {
 
 HRESULT BridgeComStream::Seek(LARGE_INTEGER dlibMove, DWORD dwOrigin,
                               ULARGE_INTEGER *plibNewPosition) {
-  io::Stream::SeekOrigin so =
-      dwOrigin == STREAM_SEEK_SET
-          ? io::Stream::SeekOrigin::Begin
-          : (STREAM_SEEK_CUR ? io::Stream::SeekOrigin::Current
-                             : io::Stream::SeekOrigin::End);
-
-  stream_->Seek(dlibMove.QuadPart, so);
-  plibNewPosition->QuadPart = stream_->Tell();
-
+  io::Stream::SeekOrigin so;
+
+  switch (dwOrigin) {
+    case STREAM_SEEK_SET:
+      so = io::Stream::SeekOrigin::Begin;
+      break;
+    case STREAM_SEEK_CUR:
+      so = io::Stream::SeekOrigin::Current;
+      break;
+    case STREAM_SEEK_END:
+      so = io::Stream::SeekOrigin::End;
+      break;
+    default:
+      return STG_E_INVALIDFUNCTION;
+  };
+
+  plibNewPosition->QuadPart = stream_->Seek(dlibMove.QuadPart, so);
   return S_OK;
 }
 
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