1 files changed, 35 insertions, 0 deletions
diff --git a/lib/debug.h b/lib/debug.h
new file mode 100644
index 0000000..5bd6c42
--- /dev/null
+++ b/lib/debug.h
@@ -0,0 +1,35 @@
+/*
+ * Debugging facilities.
+ *
+ * Copyright (C) 2014 Peter Wu <peter@lekensteyn.nl>
+ *
+ * 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 3 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 DEBUG_H
+#define DEBUG_H
+#include <stdint.h>
+
+#ifdef ENABLE_TRACING
+void trace_dump_data(const char *tag, const uint8_t *data, size_t len);
+
+void trace_log(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
+#else
+#define U __attribute__((__unused__))
+static inline void trace_dump_data(const char U *tag, const uint8_t U *data, size_t U len) { }
+
+static inline void trace_log(const char U *fmt, ...) {}
+#undef U
+#endif
+#endif