installed pty

[VSoRC/.git] / node_modules / node-pty / deps / winpty / src / shared / OsModule.h

diff --git a/node_modules/node-pty/deps/winpty/src/shared/OsModule.h b/node_modules/node-pty/deps/winpty/src/shared/OsModule.h
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+// Copyright (c) 2015 Ryan Prichard
+//
+// 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.
+
+#ifndef WINPTY_SHARED_OS_MODULE_H
+#define WINPTY_SHARED_OS_MODULE_H
+
+#include <windows.h>
+
+#include <string>
+
+#include "DebugClient.h"
+#include "WinptyAssert.h"
+#include "WinptyException.h"
+
+class OsModule {
+    HMODULE m_module;
+public:
+    enum class LoadErrorBehavior { Abort, Throw };
+    OsModule(const wchar_t *fileName,
+            LoadErrorBehavior behavior=LoadErrorBehavior::Abort) {
+        m_module = LoadLibraryW(fileName);
+        if (behavior == LoadErrorBehavior::Abort) {
+            ASSERT(m_module != NULL);
+        } else {
+            if (m_module == nullptr) {
+                const auto err = GetLastError();
+                throwWindowsError(
+                    (L"LoadLibraryW error: " + std::wstring(fileName)).c_str(),
+                    err);
+            }
+        }
+    }
+    ~OsModule() {
+        FreeLibrary(m_module);
+    }
+    HMODULE handle() const { return m_module; }
+    FARPROC proc(const char *funcName) {
+        FARPROC ret = GetProcAddress(m_module, funcName);
+        if (ret == NULL) {
+            trace("GetProcAddress: %s is missing", funcName);
+        }
+        return ret;
+    }
+};
+
+#endif // WINPTY_SHARED_OS_MODULE_H