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

---
 xpcom/base/nsSetDllDirectory.h | 45 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 xpcom/base/nsSetDllDirectory.h

(limited to 'xpcom/base/nsSetDllDirectory.h')

diff --git a/xpcom/base/nsSetDllDirectory.h b/xpcom/base/nsSetDllDirectory.h
new file mode 100644
index 000000000..0920d5936
--- /dev/null
+++ b/xpcom/base/nsSetDllDirectory.h
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsSetDllDirectory_h
+#define nsSetDllDirectory_h
+
+#ifndef XP_WIN
+#error This file only makes sense on Windows.
+#endif
+
+#include <windows.h>
+#include <nscore.h>
+#include <stdlib.h>
+
+namespace mozilla {
+
+static void
+SanitizeEnvironmentVariables()
+{
+  DWORD bufferSize = GetEnvironmentVariableW(L"PATH", nullptr, 0);
+  if (bufferSize) {
+    wchar_t* originalPath = new wchar_t[bufferSize];
+    if (bufferSize - 1 == GetEnvironmentVariableW(L"PATH", originalPath,
+                                                  bufferSize)) {
+      bufferSize = ExpandEnvironmentStringsW(originalPath, nullptr, 0);
+      if (bufferSize) {
+        wchar_t* newPath = new wchar_t[bufferSize];
+        if (ExpandEnvironmentStringsW(originalPath,
+                                      newPath,
+                                      bufferSize)) {
+          SetEnvironmentVariableW(L"PATH", newPath);
+        }
+        delete[] newPath;
+      }
+    }
+    delete[] originalPath;
+  }
+}
+
+}
+
+#endif
-- 
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