Use #pragma once

LibreOffice core uses that, too, and we support an even more
restricted set of compilers.

Change-Id: I0d0e2c8608e323eb5ef0f35ee8c46d02ab49a745
Reviewed-on: https://gerrit.libreoffice.org/c/online/+/92467
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Tor Lillqvist <tml@collabora.com>

23 files changed, 32 insertions, 76 deletions

diff --git a/common/Authorization.hpp b/common/Authorization.hpp
index c8c594988..4fd2f3671 100644
--- a/common/Authorization.hpp
+++ b/common/Authorization.hpp
@@ -9,8 +9,7 @@
 
 // WOPI Authorization
 
-#ifndef INCLUDED_AUTHORIZATION_HPP
-#define INCLUDED_AUTHORIZATION_HPP
+#pragma once
 
 #include <string>
 
@@ -51,6 +50,4 @@ public:
     void authorizeRequest(Poco::Net::HTTPRequest& request) const;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Clipboard.hpp b/common/Clipboard.hpp
index 0b4bee438..15e5e58e2 100644
--- a/common/Clipboard.hpp
+++ b/common/Clipboard.hpp
@@ -8,8 +8,8 @@
  */
 
 // Clipboard abstraction.
-#ifndef INCLUDED_CLIPBOARD_HPP
-#define INCLUDED_CLIPBOARD_HPP
+
+#pragma once
 
 #include <string>
 #include <vector>
@@ -142,6 +142,4 @@ public:
     }
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Common.hpp b/common/Common.hpp
index ab9989e73..b12cc67b5 100644
--- a/common/Common.hpp
+++ b/common/Common.hpp
@@ -7,11 +7,11 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#pragma once
+
 #include <string>
 
 // Default values and other shared data between processes.
-#ifndef INCLUDED_COMMON_HPP
-#define INCLUDED_COMMON_HPP
 
 constexpr int DEFAULT_CLIENT_PORT_NUMBER = 9980;
 
@@ -50,6 +50,4 @@ constexpr const char CAPABILITIES_END_POINT[] = "/hosting/capabilities";
 extern int ClientPortNumber;
 extern std::string MasterLocation;
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Crypto.hpp b/common/Crypto.hpp
index 079a4f742..270e74e0e 100644
--- a/common/Crypto.hpp
+++ b/common/Crypto.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_CRYPTO_HPP
-#define INCLUDED_CRYPTO_HPP
+#pragma once
 
 #if ENABLE_SUPPORT_KEY
 
@@ -39,6 +38,4 @@ public:
 
 #endif
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/FileUtil.hpp b/common/FileUtil.hpp
index 864188308..29426e16c 100644
--- a/common/FileUtil.hpp
+++ b/common/FileUtil.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_FILEUTIL_HPP
-#define INCLUDED_FILEUTIL_HPP
+#pragma once
 
 #include <string>
 
@@ -98,6 +97,4 @@ namespace FileUtil
 
 } // end namespace FileUtil
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/JsonUtil.hpp b/common/JsonUtil.hpp
index c7fa20ac2..42cd4e915 100644
--- a/common/JsonUtil.hpp
+++ b/common/JsonUtil.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_JSONUTIL_HPP
-#define INCLUDED_JSONUTIL_HPP
+#pragma once
 
 #include <cstddef>
 #include <set>
@@ -140,7 +139,5 @@ bool findJSONValue(Poco::JSON::Object::Ptr &object, const std::string& key, T& v
 
 } // end namespace JsonUtil
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
 
diff --git a/common/LOOLWebSocket.hpp b/common/LOOLWebSocket.hpp
index 2c0559593..a99c3afb0 100644
--- a/common/LOOLWebSocket.hpp
+++ b/common/LOOLWebSocket.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_LOOLWEBSOCKET_HPP
-#define INCLUDED_LOOLWEBSOCKET_HPP
+#pragma once
 
 #include <cstdlib>
 #include <mutex>
@@ -157,6 +156,4 @@ public:
     }
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Log.hpp b/common/Log.hpp
index aa83bc171..bc96035e9 100644
--- a/common/Log.hpp
+++ b/common/Log.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_LOG_HPP
-#define INCLUDED_LOG_HPP
+#pragma once
 
 #include <sys/syscall.h>
 #include <unistd.h>
@@ -409,6 +408,4 @@ namespace Log
         }                                                                                          \
     } while (false)
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Message.hpp b/common/Message.hpp
index 9320037c7..8fc894b96 100644
--- a/common/Message.hpp
+++ b/common/Message.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_MESSAGE_HPP
-#define INCLUDED_MESSAGE_HPP
+#pragma once
 
 #include <atomic>
 #include <string>
@@ -184,6 +183,4 @@ private:
     const Type _type;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/MessageQueue.hpp b/common/MessageQueue.hpp
index bf5f6c950..f315de558 100644
--- a/common/MessageQueue.hpp
+++ b/common/MessageQueue.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_MESSAGEQUEUE_HPP
-#define INCLUDED_MESSAGEQUEUE_HPP
+#pragma once
 
 #include <algorithm>
 #include <condition_variable>
@@ -253,6 +252,4 @@ private:
     std::vector<int> _viewOrder;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Png.hpp b/common/Png.hpp
index c0a99c74e..496d293df 100644
--- a/common/Png.hpp
+++ b/common/Png.hpp
@@ -7,6 +7,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#pragma once
+
 /* cairo - a vector graphics library with display and print output
  *
  * Copyright © 2003 University of Southern California
diff --git a/common/Protocol.hpp b/common/Protocol.hpp
index 3574d2027..c10e9ae52 100644
--- a/common/Protocol.hpp
+++ b/common/Protocol.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_LOOLPROTOCOL_HPP
-#define INCLUDED_LOOLPROTOCOL_HPP
+#pragma once
 
 #include <cstdint>
 #include <cstdlib>
@@ -346,6 +345,4 @@ namespace LOOLProtocol
     }
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Rectangle.hpp b/common/Rectangle.hpp
index 8ed2f3626..3e73bc251 100644
--- a/common/Rectangle.hpp
+++ b/common/Rectangle.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_RECTANGLE_HPP
-#define INCLUDED_RECTANGLE_HPP
+#pragma once
 
 #include <limits>
 
@@ -124,6 +123,4 @@ public:
 
 }
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Seccomp.hpp b/common/Seccomp.hpp
index 400745bfa..e18065d0f 100644
--- a/common/Seccomp.hpp
+++ b/common/Seccomp.hpp
@@ -6,8 +6,8 @@
  * 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 INCLUDED_SECCOMP_HPP
-#define INCLUDED_SECCOMP_HPP
+
+#pragma once
 
 #include <Protocol.hpp>
 
@@ -24,6 +24,4 @@ namespace Rlimit {
     bool handleSetrlimitCommand(const StringVector& tokens);
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Session.hpp b/common/Session.hpp
index ec99f5e29..3e5f4c89b 100644
--- a/common/Session.hpp
+++ b/common/Session.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_SESSION_HPP
-#define INCLUDED_SESSION_HPP
+#pragma once
 
 #include <atomic>
 #include <cassert>
@@ -291,6 +290,4 @@ private:
     int _canonicalViewId;
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/SigUtil.cpp b/common/SigUtil.cpp
index cd4c779dc..dcca2d295 100644
--- a/common/SigUtil.cpp
+++ b/common/SigUtil.cpp
@@ -56,11 +56,13 @@ namespace SigUtil
 
     bool getTerminationFlag()
     {
+        LOG_TRC("getTerminationFlag: " << (TerminationFlag ? "YES" : "NO"));
         return TerminationFlag;
     }
 
     void setTerminationFlag()
     {
+        LOG_TRC("setTerminationFlag");
         TerminationFlag = true;
     }
 
diff --git a/common/SigUtil.hpp b/common/SigUtil.hpp
index a0da03142..9bccf0256 100644
--- a/common/SigUtil.hpp
+++ b/common/SigUtil.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_SIGNALUTIL_HPP
-#define INCLUDED_SIGNALUTIL_HPP
+#pragma once
 
 #include <atomic>
 #include <mutex>
@@ -83,6 +82,4 @@ namespace SigUtil
 
 } // end namespace SigUtil
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/SpookyV2.h b/common/SpookyV2.h
index bfda65f93..52b1838e8 100644
--- a/common/SpookyV2.h
+++ b/common/SpookyV2.h
@@ -26,6 +26,8 @@
 // slower than MD5.
 //
 
+#pragma once
+
 #include <stddef.h>
 
 #ifdef _MSC_VER
diff --git a/common/StringVector.hpp b/common/StringVector.hpp
index 5008277fd..154060bf1 100644
--- a/common/StringVector.hpp
+++ b/common/StringVector.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_STRINGVECTOR_HPP
-#define INCLUDED_STRINGVECTOR_HPP
+#pragma once
 
 #include <string>
 #include <vector>
@@ -77,6 +76,4 @@ public:
     bool equals(size_t index, const StringVector& other, size_t otherIndex);
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Unit.hpp b/common/Unit.hpp
index 25e903a3b..9b6a88ece 100644
--- a/common/Unit.hpp
+++ b/common/Unit.hpp
@@ -6,8 +6,8 @@
  * 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 INCLUDED_UNIT_HPP
-#define INCLUDED_UNIT_HPP
+
+#pragma once
 
 #include <atomic>
 #include <cassert>
@@ -300,6 +300,4 @@ public:
     }
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/UnitHTTP.hpp b/common/UnitHTTP.hpp
index 2eb1c629f..34b225e24 100644
--- a/common/UnitHTTP.hpp
+++ b/common/UnitHTTP.hpp
@@ -6,8 +6,8 @@
  * 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 INCLUDED_UNITHTTP_HPP
-#define INCLUDED_UNITHTTP_HPP
+
+#pragma once
 
 #include <memory>
 #include <sstream>
@@ -157,6 +157,4 @@ public:
     }
 };
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/Util.hpp b/common/Util.hpp
index b4a6c8d7d..820f4e6ce 100644
--- a/common/Util.hpp
+++ b/common/Util.hpp
@@ -7,8 +7,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#ifndef INCLUDED_UTIL_HPP
-#define INCLUDED_UTIL_HPP
+#pragma once
 
 #include <cassert>
 #include <cerrno>
@@ -1005,6 +1004,4 @@ int main(int argc, char**argv)
 
 } // end namespace Util
 
-#endif
-
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/common/security.h b/common/security.h
index eb79f465c..f6c0bf258 100644
--- a/common/security.h
+++ b/common/security.h
@@ -10,6 +10,8 @@
  * Place for simple security-related code.
  */
 
+#pragma once
+
 #include <sys/mount.h>
 #include <sys/types.h>