1 files changed, 33 insertions, 0 deletions
diff --git a/logging.h b/logging.h
new file mode 100644
index 0000000..823880a
--- /dev/null
+++ b/logging.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2021 Mikhail Burakov. This file is part of MQhTTp.
+ *
+ * MQhTTp 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * MQhTTp 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 MQhTTp.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef MQHTTP_LOGGING_H_
+#define MQHTTP_LOGGING_H_
+
+#define STR_IMPL(op) #op
+#define STR(op) STR_IMPL(op)
+#define LOGGING_WRAP(impl, fmt, ...) \
+  impl(__FILE__ ":" STR(__LINE__) " " fmt "\n", ##__VA_ARGS__)
+#define Terminate(fmt, ...) LOGGING_WRAP(TerminateImpl, fmt, ##__VA_ARGS__)
+#define Log(fmt, ...) LOGGING_WRAP(LogImpl, fmt, ##__VA_ARGS__)
+
+_Noreturn void TerminateImpl(const char* fmt, ...)
+    __attribute__((__format__(printf, 1, 2)));
+
+void LogImpl(const char* fmt, ...) __attribute__((__format__(printf, 1, 2)));
+
+#endif  // MQHTTP_LOGGING_H_