Merge commit '86cc97e55fe346502462284d2e636a2b3708163e' as 'Sources/OpenVPN3'

Sources/OpenVPN3/openvpn/common/glob.hpp

@@ -0,0 +1,75 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2017 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef OPENVPN_COMMON_GLOB_H
+#define OPENVPN_COMMON_GLOB_H
+
+#include <glob.h>
+
+#include <cstring>
+#include <string>
+
+namespace openvpn {
+  class Glob
+  {
+  public:
+    Glob(const std::string& pattern, const int flags)
+    {
+      reset();
+      status_ = ::glob(pattern.c_str(), flags, nullptr, &glob_);
+    }
+
+    int status() const
+    {
+      return status_;
+    }
+
+    size_t size() const
+    {
+      return glob_.gl_pathc;
+    }
+
+    const char* operator[](const size_t i) const
+    {
+      return glob_.gl_pathv[i];
+    }
+
+    ~Glob()
+    {
+      ::globfree(&glob_);
+    }
+
+  private:
+    void reset()
+    {
+      std::memset(&glob_, 0, sizeof(glob_));
+      status_ = 0;
+    }
+
+    Glob(const Glob&) = delete;
+    Glob& operator=(const Glob&) = delete;
+
+    ::glob_t glob_;
+    int status_;
+  };
+}
+
+#endif