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-rw-r--r--src/util/msg_logger.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/util/msg_logger.h b/src/util/msg_logger.h
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+++ b/src/util/msg_logger.h
@@ -0,0 +1,60 @@
+#ifndef _MSG_LOGGER_H_INCLUDED_
+#define _MSG_LOGGER_H_INCLUDED_
+
+/*++
+/* NAME
+/* msg_logger 3h
+/* SUMMARY
+/* direct diagnostics to logger service
+/* SYNOPSIS
+/* #include <msg_logger.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+ * System library.
+ */
+#include <stdarg.h>
+
+ /*
+ * Utility library.
+ */
+#include <check_arg.h>
+
+ /*
+ * External interface.
+ */
+typedef void (*MSG_LOGGER_FALLBACK_FN) (const char *);
+
+extern void msg_logger_init(const char *, const char *, const char *,
+ MSG_LOGGER_FALLBACK_FN);
+extern void msg_logger_control(int,...);
+
+/* Internal-only API: type-unchecked arguments. */
+#define MSG_LOGGER_CTL_END 0
+#define MSG_LOGGER_CTL_FALLBACK_ONLY 1
+#define MSG_LOGGER_CTL_FALLBACK_FN 2
+#define MSG_LOGGER_CTL_DISABLE 3
+
+/* Safer API: type-checked arguments, external use. */
+#define CA_MSG_LOGGER_CTL_END MSG_LOGGER_CTL_END
+#define CA_MSG_LOGGER_CTL_FALLBACK_ONLY MSG_LOGGER_CTL_FALLBACK_ONLY
+#define CA_MSG_LOGGER_CTL_FALLBACK_FN(v) \
+ MSG_LOGGER_CTL_FALLBACK_FN, CHECK_VAL(MSG_LOGGER_CTL, \
+ MSG_LOGGER_FALLBACK_FN, (v))
+#define CA_MSG_LOGGER_CTL_DISABLE MSG_LOGGER_CTL_DISABLE
+
+CHECK_VAL_HELPER_DCL(MSG_LOGGER_CTL, MSG_LOGGER_FALLBACK_FN);
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* Google, Inc.
+/* 111 8th Avenue
+/* New York, NY 10011, USA
+/*--*/
+
+#endif