[util] Implement createDirectory function

src/util/util_env.cpp

@@ -1,6 +1,4 @@
 #include "util_env.h"
-#include <vector>
-#include <cstdlib>
 
 #include "./com/com_include.h"
 
@@ -33,16 +31,6 @@ namespace dxvk::env {
   void setThreadName(const std::string& name) {
     using SetThreadDescriptionProc = void (WINAPI *) (HANDLE, PCWSTR);
 
-    int nameLen = ::MultiByteToWideChar(
-      CP_ACP, 0, name.c_str(), name.length() + 1,
-      nullptr, 0);
-
-    std::vector<WCHAR> wideName(nameLen);
-
-    ::MultiByteToWideChar(
-      CP_ACP, 0, name.c_str(), name.length() + 1,
-      wideName.data(), nameLen);
-
     HMODULE module = ::GetModuleHandleW(L"kernel32.dll");
 
     if (module == nullptr)
@@ -51,8 +39,16 @@ namespace dxvk::env {
     auto proc = reinterpret_cast<SetThreadDescriptionProc>(
       ::GetProcAddress(module, "SetThreadDescription"));
 
-    if (proc != nullptr)
+    if (proc != nullptr) {
+      auto wideName = str::tows(name);
       (*proc)(::GetCurrentThread(), wideName.data());
+    }
+  }
+
+
+  bool createDirectory(const std::string& path) {
+    auto widePath = str::tows(path);
+    return !!CreateDirectoryW(widePath.data(), nullptr);
   }
   
 }

src/util/util_env.h

@@ -31,4 +31,12 @@ namespace dxvk::env {
    */
   void setThreadName(const std::string& name);
 
+  /**
+   * \brief Creates a directory
+   * 
+   * \param [in] path Path to directory
+   * \returns \c true on success
+   */
+  bool createDirectory(const std::string& path);
+  
 }