[seiscomp, scanloc] Install, add .gitignore

include/seiscomp/logging/common.h

@@ -0,0 +1,82 @@
+/***************************************************************************
+ * Copyright (C) gempa GmbH                                                *
+ * All rights reserved.                                                    *
+ * Contact: gempa GmbH (seiscomp-dev@gempa.de)                             *
+ *                                                                         *
+ * GNU Affero General Public License Usage                                 *
+ * This file may be used under the terms of the GNU Affero                 *
+ * Public License version 3.0 as published by the Free Software Foundation *
+ * and appearing in the file LICENSE included in the packaging of this     *
+ * file. Please review the following information to ensure the GNU Affero  *
+ * Public License version 3.0 requirements will be met:                    *
+ * https://www.gnu.org/licenses/agpl-3.0.html.                             *
+ *                                                                         *
+ * Other Usage                                                             *
+ * Alternatively, this file may be used in accordance with the terms and   *
+ * conditions contained in a signed written agreement between you and      *
+ * gempa GmbH.                                                             *
+ ***************************************************************************/
+
+
+#ifndef SC_LOGGING_COMMON_H
+#define SC_LOGGING_COMMON_H
+
+
+#include <seiscomp/core.h>
+
+#define LOG_CONCAT2(A,B) A##B
+#define LOG_CONCAT(A,B) LOG_CONCAT2(A,B)
+#define LOG_STR(X) #X
+
+
+/*
+    We use __printf__ attribute to allow gcc to inspect printf style arguments
+    and give warnings if the rDebug(), rWarning(), etc macros are misused.
+
+    We use __builtin_expect on GCC 2.96 and above to allow optimization of
+    publication activation check.  We tell the compiler that the branch is
+    unlikely to occur, allowing GCC to push unecessary code out of the main
+    path.
+*/
+#ifdef __GNUC__
+
+# define   likely(x)  __builtin_expect((x),1)
+# define unlikely(x)  __builtin_expect((x),0)
+
+#else
+
+// Not using the gcc compiler, make the macros do nothing..  They are
+// documented as the last instance of the macros..
+
+/*!
+*/
+# define   likely(x)  (x)
+/*! @def unlikely(x)
+  Starting with GCC 2.96, we can tell the compiler that an if condition is
+  likely or unlikely to occur, which allows the compiler to optimize for the
+  normal case.
+  @internal
+*/
+# define unlikely(x)  (x)
+
+#endif
+
+/*! @def SEISCOMP_COMPONENT
+    @brief Specifies build-time component, eg -DSEISCOMP_COMPONENT="component-name"
+
+    Define SEISCOMP_COMPONENT as the name of the component being built.
+    For example, as a compile flag,  -DSEISCOMP_COMPONENT="component-name"
+
+    If SEISCOMP_COMPONENT is not specified, then it will be defined as "[unknown]"
+*/
+#ifndef SEISCOMP_COMPONENT
+#  warning SEISCOMP_COMPONENT not defined - setting to UNKNOWN
+#define SEISCOMP_COMPONENT "[unknown]"
+#endif // SEISCOMP_COMPONENT not defined
+
+// Use somewhat unique names (doesn't matter if they aren't as they are used in
+// a private context, so the compiler will make them unique if it must)
+#define _SCLOGID LOG_CONCAT(_rL_, __LINE__)
+
+
+#endif