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+/*
+ * Copyright (c) 1999 Todd C. Miller <Todd.Miller@courtesan.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * 4. Products derived from this software may not be called "Sudo" nor
+ * may "Sudo" appear in their names without specific prior written
+ * permission from the author.
+ *
+ * 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
+ * THE 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 _LOGGING_H
+#define _LOGGING_H
+
+#include <syslog.h>
+#ifdef __STDC__
+# include <stdarg.h>
+#else
+# include <varargs.h>
+#endif
+
+/* Logging types */
+#define SLOG_SYSLOG 0x01
+#define SLOG_FILE 0x02
+#define SLOG_BOTH 0x03
+
+/* Flags for log_error() */
+#define MSG_ONLY 0x01
+#define USE_ERRNO 0x02
+#define NO_MAIL 0x04
+#define NO_EXIT 0x08
+
+/*
+ * Maximum number of characters to log per entry. The syslogger
+ * will log this much, after that, it truncates the log line.
+ * We need this here to make sure that we continue with another
+ * syslog(3) call if the internal buffer is more than 1023 characters.
+ */
+#ifndef MAXSYSLOGLEN
+# define MAXSYSLOGLEN 960
+#endif
+
+void log_auth __P((int, int));
+void log_error __P((int flags, const char *fmt, ...));
+RETSIGTYPE reapchild __P((int));
+
+#endif /* _LOGGING_H */