From 4a4f5bea29b3832c3bb75badaa5ed55a0edd1e08 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Fri, 8 Dec 2017 11:18:23 +0100
Subject: [PATCH] [util] Added missing files

---
 src/util/util_env.cpp | 22 ++++++++++++++++++++++
 src/util/util_env.h   | 18 ++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 src/util/util_env.cpp
 create mode 100644 src/util/util_env.h

diff --git a/src/util/util_env.cpp b/src/util/util_env.cpp
new file mode 100644
index 00000000..4da507e3
--- /dev/null
+++ b/src/util/util_env.cpp
@@ -0,0 +1,22 @@
+#include "util_env.h"
+
+#include "./com/com_include.h"
+
+namespace dxvk::env {
+
+  std::string getEnvVar(const wchar_t* name) {
+    DWORD len = ::GetEnvironmentVariableW(name, nullptr, 0);
+    
+    std::wstring result;
+    
+    while (len > result.size()) {
+      result.resize(len);
+      len = ::GetEnvironmentVariableW(
+        name, result.data(), result.size());
+    }
+    
+    result.resize(len);
+    return str::fromws(result);
+  }
+  
+}
diff --git a/src/util/util_env.h b/src/util/util_env.h
new file mode 100644
index 00000000..ad9cdf52
--- /dev/null
+++ b/src/util/util_env.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "util_string.h"
+
+namespace dxvk::env {
+  
+  /**
+   * \brief Gets environment variable
+   * 
+   * If the variable is not defined, this will return
+   * an empty string. Note that environment variables
+   * may be defined with an empty value.
+   * \param [in] name Name of the variable
+   * \returns Value of the variable
+   */
+  std::string getEnvVar(const wchar_t* name);
+  
+}
\ No newline at end of file