diff -upk.orig sysklogd-1.4.2.orig/attribute.h sysklogd-1.4.2/attribute.h
--- sysklogd-1.4.2.orig/attribute.h	1970-01-01 00:00:00 +0000
+++ sysklogd-1.4.2/attribute.h	2005-08-18 12:02:22 +0000
@@ -0,0 +1,23 @@
+#ifndef SYSKLOGD_ATTRIBUTE_H_
+#define SYSKLOGD_ATTRIBUTE_H_
+
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+# define SYSKLOGD_GNUC_PREREQ(maj, min) \
+	((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+# define SYSKLOGD_GNUC_PREREQ(maj, min) 0
+#endif
+
+#if SYSKLOGD_GNUC_PREREQ(2,5)
+# define SYSKLOGD_FORMAT(params) __attribute__((__format__ params))
+#else
+# define SYSKLOGD_FORMAT(params)
+#endif
+
+#if SYSKLOGD_GNUC_PREREQ(3,3)
+# define SYSKLOGD_NONNULL(params) __attribute__((__nonnull__ params))
+#else
+# define SYSKLOGD_NONNULL(params)
+#endif
+
+#endif /* SYSKLOGD_ATTRIBUTE_H_ */
diff -upk.orig sysklogd-1.4.2.orig/klogd.h sysklogd-1.4.2/klogd.h
--- sysklogd-1.4.2.orig/klogd.h	1997-06-13 09:35:54 +0000
+++ sysklogd-1.4.2/klogd.h	2005-08-18 12:03:57 +0000
@@ -30,6 +30,7 @@
 #include <stdio.h>
 #include <syslog.h>
 #include <string.h>
+#include "attribute.h"
 
 
 /* Function prototypes. */
@@ -37,4 +38,5 @@ extern int InitKsyms(char *);
 extern int InitMsyms(void);
 extern char * ExpandKadds(char *, char *);
 extern void SetParanoiaLevel(int);
-extern void Syslog(int priority, char *fmt, ...);
+extern void Syslog(int priority, char *fmt, ...)
+	SYSKLOGD_FORMAT((__printf__, 2, 3)) SYSKLOGD_NONNULL((2));
diff -upk.orig sysklogd-1.4.2.orig/ksym_mod.c sysklogd-1.4.2/ksym_mod.c
--- sysklogd-1.4.2.orig/ksym_mod.c	2004-03-31 15:47:08 +0000
+++ sysklogd-1.4.2/ksym_mod.c	2004-08-09 16:54:03 +0000
@@ -412,7 +412,7 @@ static int AddModule(address, symbol)
 		if ( lseek64(memfd, address, SEEK_SET) < 0 )
 		{
 			Syslog(LOG_WARNING, "Error seeking in /dev/kmem\n");
-			Syslog(LOG_WARNING, "Symbol %s, value %08x\n", symbol, address);
+			Syslog(LOG_WARNING, "Symbol %s, value %08lx\n", symbol, address);
 			return(0);
 		}
 		if ( read(memfd, \
diff -upk.orig sysklogd-1.4.2.orig/syslogd.c sysklogd-1.4.2/syslogd.c
--- sysklogd-1.4.2.orig/syslogd.c	2005-08-18 11:31:37 +0000
+++ sysklogd-1.4.2/syslogd.c	2005-08-18 12:02:53 +0000
@@ -528,6 +528,7 @@ static char sccsid[] = "@(#)syslogd.c	5.
 #include "pidfile.h"
 #endif
 #include "version.h"
+#include "attribute.h"
 
 #if defined(__linux__)
 #include <paths.h>
@@ -798,7 +799,8 @@ int decode(char *name, struct code *code
 #if defined(__GLIBC__)
 #define dprintf mydprintf
 #endif /* __GLIBC__ */
-static void dprintf(char *, ...);
+static void dprintf(char *, ...)
+	SYSKLOGD_FORMAT((__printf__, 1, 2)) SYSKLOGD_NONNULL((1));
 static void allocate_log(void);
 void sighup_handler();
 
@@ -1791,8 +1793,8 @@ void fprintlog(f, from, flags, msg)
 		else {
 			dprintf(" %s\n", f->f_un.f_forw.f_hname);
 			dprintf("Forwarding suspension not over, time " \
-				"left: %d.\n", INET_SUSPEND_TIME - \
-				fwd_suspend);
+				"left: %ld.\n",
+				(long)(INET_SUSPEND_TIME - fwd_suspend));
 		}
 		break;
 		
@@ -1829,7 +1831,7 @@ void fprintlog(f, from, flags, msg)
 		}
 		else
 			dprintf("Forwarding suspension not over, time " \
-				"left: %d\n", INET_SUSPEND_TIME - fwd_suspend);
+				"left: %ld\n", (long)(INET_SUSPEND_TIME - fwd_suspend));
 		break;
 
 	case F_FORW: