1 files changed, 41 insertions, 0 deletions
diff --git a/src/dnswire/trace.h.in b/src/dnswire/trace.h.in
new file mode 100644
index 0000000..7b8e038
--- /dev/null
+++ b/src/dnswire/trace.h.in
@@ -0,0 +1,41 @@
+/*
+ * Author Jerry Lundström <jerry@dns-oarc.net>
+ * Copyright (c) 2019, OARC, Inc.
+ * All rights reserved.
+ *
+ * This file is part of the dnswire library.
+ *
+ * dnswire library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * dnswire library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with dnswire library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __dnswire_h_trace
+#define __dnswire_h_trace 1
+
+#if @DNSWIRE_TRACE@
+#define DNSWIRE_TRACE 1
+#include <stdio.h>
+#include <ctype.h>
+#include <stdint.h>
+const char* __printable_string(const uint8_t* data, size_t len);
+#define __trace(x...)                                \
+    fprintf(stderr, "dnswire %s(): ", __func__); \
+    fprintf(stderr, x);                            \
+    fprintf(stderr, "\n"); \
+    fflush(stderr);
+#else
+#define __trace(x...)
+#define __printable_string(x...)
+#endif
+
+#endif