1 files changed, 48 insertions, 0 deletions
diff --git a/contrib/librdns/logger.h b/contrib/librdns/logger.h
new file mode 100644
index 0000000..8072876
--- /dev/null
+++ b/contrib/librdns/logger.h
@@ -0,0 +1,48 @@
+/* Copyright (c) 2014, Vsevolod Stakhov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *       * Redistributions of source code must retain the above copyright
+ *         notice, this list of conditions and the following disclaimer.
+ *       * Redistributions in binary form must reproduce the above copyright
+ *         notice, this list of conditions and the following disclaimer in the
+ *         documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef LOGGER_H_
+#define LOGGER_H_
+
+#include <stdarg.h>
+#include "dns_private.h"
+
+#ifdef __GNUC__
+__attribute__((format(printf, 4, 0)))
+#endif
+void rdns_logger_internal (void *log_data, enum rdns_log_level level,
+		const char *function, const char *format,
+		va_list args);
+
+#ifdef __GNUC__
+__attribute__((format(printf, 4, 5)))
+#endif
+void rdns_logger_helper (struct rdns_resolver *resolver,
+		enum rdns_log_level level,
+		const char *function, const char *format, ...);
+
+#define rdns_err(...) do { rdns_logger_helper (resolver, RDNS_LOG_ERROR, __func__, __VA_ARGS__); } while (0)
+#define rdns_warn(...) do { rdns_logger_helper (resolver, RDNS_LOG_WARNING, __func__, __VA_ARGS__); } while (0)
+#define rdns_info(...) do { rdns_logger_helper (resolver, RDNS_LOG_INFO, __func__, __VA_ARGS__); } while (0)
+#define rdns_debug(...) do { rdns_logger_helper (resolver, RDNS_LOG_DEBUG, __func__, __VA_ARGS__); } while (0)
+
+#endif /* LOGGER_H_ */