include: Add logging infrastructure

Adds the logging infrastructure to the prototype. 2 helper scripts are
also provided to compile the prototype in either release or debug
mode. In debug mode debugging logs are printed.

1 files changed, 45 insertions, 0 deletions

diff --git a/include/ouroboros/logs.h b/include/ouroboros/logs.h
new file mode 100644
index 00000000..5366e266
--- /dev/null
+++ b/include/ouroboros/logs.h
@@ -0,0 +1,45 @@
+/*
+ * Logging facilities
+ *
+ *    Sander Vrijders <[email protected]>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef OUROBOROS_LOGS_H
+#define OUROBOROS_LOGS_H
+
+#include <stdio.h>
+
+#ifndef OUROBOROS_PREFIX
+#error You must define OUROBOROS_PREFIX before including this file
+#endif
+
+#define __LOG(PFX, LVL, FMT, ARGS...)                                   \
+        do { printf(PFX "(" LVL "): " FMT "\n", ##ARGS); } while (0)
+
+#define LOG_ERR(FMT,   ARGS...) __LOG(OUROBOROS_PREFIX, "ERR",  FMT, ##ARGS)
+#define LOG_WARN(FMT,  ARGS...) __LOG(OUROBOROS_PREFIX, "WARN", FMT, ##ARGS)
+#define LOG_INFO(FMT,  ARGS...) __LOG(OUROBOROS_PREFIX, "INFO", FMT, ##ARGS)
+
+#ifdef CONFIG_OUROBOROS_DEBUG
+#define LOG_DBG(FMT,   ARGS...) __LOG(OUROBOROS_PREFIX, "DBG", FMT, ##ARGS)
+#else
+#define LOG_DBG(FMT,   ARGS...) do { } while (0)
+#endif
+
+#define LOG_MISSING LOG_ERR("Missing code in %s:%d",__FILE__, __LINE__)
+
+#endif