Grid comms benchmark fix

Grid/Common.hpp

@@ -0,0 +1,36 @@
+/*
+Copyright © 2022 Antonin Portelli <antonin.portelli@me.com>
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef Grid_Benchmarks_Common_hpp_
+#define Grid_Benchmarks_Common_hpp_
+
+#ifndef GRID_MSG
+#define GRID_MSG std::cout << GridLogMessage
+#endif
+
+#ifndef GRID_MSG_MAXSIZE
+#define GRID_MSG_MAXSIZE 1024
+#endif
+
+#define grid_printf(...)                                                                 \
+  {                                                                                      \
+    char _buf[GRID_MSG_MAXSIZE];                                                         \
+    snprintf(_buf, GRID_MSG_MAXSIZE, __VA_ARGS__);                                       \
+    GRID_MSG << _buf;                                                                    \
+  }
+
+#endif // Grid_Benchmarks_Common_hpp_