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authorKali Kaneko (leap communications) <kali@leap.se>2019-08-16 12:55:10 +0200
committerKali Kaneko (leap communications) <kali@leap.se>2019-08-16 15:50:28 +0200
commitec4974e7660776e8ab2883b109bfa3f96b4f5317 (patch)
tree6c6ae93cab7e3a0ff6ebb7ec07e3ef8757e5272f /packages/w32/ole32.go
parentf4ab1b0463e902f23224c37f1e217241084681df (diff)
[pkg] need to vendorize allendang w32 lib
we use go mod edit -replace
Diffstat (limited to 'packages/w32/ole32.go')
-rw-r--r--packages/w32/ole32.go63
1 files changed, 63 insertions, 0 deletions
diff --git a/packages/w32/ole32.go b/packages/w32/ole32.go
new file mode 100644
index 0000000..a7f79b5
--- /dev/null
+++ b/packages/w32/ole32.go
@@ -0,0 +1,63 @@
+// Copyright 2010-2012 The W32 Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package w32
+
+import (
+ "syscall"
+ "unsafe"
+)
+
+var (
+ modole32 = syscall.NewLazyDLL("ole32.dll")
+
+ procCoInitializeEx = modole32.NewProc("CoInitializeEx")
+ procCoInitialize = modole32.NewProc("CoInitialize")
+ procCoUninitialize = modole32.NewProc("CoUninitialize")
+ procCreateStreamOnHGlobal = modole32.NewProc("CreateStreamOnHGlobal")
+)
+
+func CoInitializeEx(coInit uintptr) HRESULT {
+ ret, _, _ := procCoInitializeEx.Call(
+ 0,
+ coInit)
+
+ switch uint32(ret) {
+ case E_INVALIDARG:
+ panic("CoInitializeEx failed with E_INVALIDARG")
+ case E_OUTOFMEMORY:
+ panic("CoInitializeEx failed with E_OUTOFMEMORY")
+ case E_UNEXPECTED:
+ panic("CoInitializeEx failed with E_UNEXPECTED")
+ }
+
+ return HRESULT(ret)
+}
+
+func CoInitialize() {
+ procCoInitialize.Call(0)
+}
+
+func CoUninitialize() {
+ procCoUninitialize.Call()
+}
+
+func CreateStreamOnHGlobal(hGlobal HGLOBAL, fDeleteOnRelease bool) *IStream {
+ stream := new(IStream)
+ ret, _, _ := procCreateStreamOnHGlobal.Call(
+ uintptr(hGlobal),
+ uintptr(BoolToBOOL(fDeleteOnRelease)),
+ uintptr(unsafe.Pointer(&stream)))
+
+ switch uint32(ret) {
+ case E_INVALIDARG:
+ panic("CreateStreamOnHGlobal failed with E_INVALIDARG")
+ case E_OUTOFMEMORY:
+ panic("CreateStreamOnHGlobal failed with E_OUTOFMEMORY")
+ case E_UNEXPECTED:
+ panic("CreateStreamOnHGlobal failed with E_UNEXPECTED")
+ }
+
+ return stream
+}