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-rw-r--r--bits/syslog-path.h8
-rw-r--r--include/sys/syslog.h17
-rw-r--r--include/syslog.h16
-rw-r--r--misc/bits/syslog-ldbl.h9
-rw-r--r--misc/bits/syslog.h9
-rw-r--r--misc/sys/syslog.h216
-rw-r--r--misc/syslog.h216
-rwxr-xr-xscripts/check-obsolete-constructs.py2
8 files changed, 253 insertions, 240 deletions
diff --git a/bits/syslog-path.h b/bits/syslog-path.h
index 056db353a7..826d935c2b 100644
--- a/bits/syslog-path.h
+++ b/bits/syslog-path.h
@@ -16,13 +16,13 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#ifndef _SYS_SYSLOG_H
-# error "Never include this file directly.  Use <sys/syslog.h> instead"
-#endif
-
 #ifndef _BITS_SYSLOG_PATH_H
 #define _BITS_SYSLOG_PATH_H 1
 
+#ifndef _SYSLOG_H
+# error "Never include <bits/syslog-path.h> directly.  Use <syslog.h> instead"
+#endif
+
 #define	_PATH_LOG	"/dev/log"
 
 #endif /* bits/syslog-path.h */
diff --git a/include/sys/syslog.h b/include/sys/syslog.h
index 89d3479ebc..7d6e3bc46c 100644
--- a/include/sys/syslog.h
+++ b/include/sys/syslog.h
@@ -1,16 +1,3 @@
-#ifndef _LIBC_SYS_SYSLOG_H
-#define _LIBC_SYS_SYSLOG_H 1
+#ifndef _SYSLOG_H
 #include <misc/sys/syslog.h>
-#ifndef _ISOMAC
-
-libc_hidden_proto (syslog)
-
-/* __vsyslog_internal uses the same mode_flags bits as
-   __v*printf_internal; see libio/libioP.h.  */
-extern void __vsyslog_internal (int pri, const char *fmt, __gnuc_va_list ap,
-				unsigned int mode_flags)
-     attribute_hidden
-     __attribute__ ((__format__ (__printf__, 2, 0)));
-
-#endif /* _ISOMAC */
-#endif /* syslog.h */
+#endif
diff --git a/include/syslog.h b/include/syslog.h
index 4cfb7723bb..5dc6e76b7e 100644
--- a/include/syslog.h
+++ b/include/syslog.h
@@ -1 +1,15 @@
-#include <misc/syslog.h>
+#ifndef _SYSLOG_H
+# include <misc/syslog.h>
+#ifndef _ISOMAC
+
+libc_hidden_proto (syslog)
+
+/* __vsyslog_internal uses the same mode_flags bits as
+   __v*printf_internal; see libio/libioP.h.  */
+extern void __vsyslog_internal (int pri, const char *fmt, __gnuc_va_list ap,
+				unsigned int mode_flags)
+     attribute_hidden
+     __attribute__ ((__format__ (__printf__, 2, 0)));
+
+#endif /* _ISOMAC */
+#endif /* syslog.h */
diff --git a/misc/bits/syslog-ldbl.h b/misc/bits/syslog-ldbl.h
index fead0d4648..445fef0b86 100644
--- a/misc/bits/syslog-ldbl.h
+++ b/misc/bits/syslog-ldbl.h
@@ -16,8 +16,11 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#ifndef _SYS_SYSLOG_H
-# error "Never include <bits/syslog-ldbl.h> directly; use <sys/syslog.h> instead."
+#ifndef _BITS_SYSLOG_LDBL_H
+#define _BITS_SYSLOG_LDBL_H 1
+
+#ifndef _SYSLOG_H
+# error "Never include <bits/syslog-ldbl.h> directly; use <syslog.h> instead."
 #endif
 
 __LDBL_REDIR_DECL (syslog)
@@ -33,3 +36,5 @@ __LDBL_REDIR_DECL (__syslog_chk)
 __LDBL_REDIR_DECL (__vsyslog_chk)
 # endif
 #endif
+
+#endif /* bits/syslog-ldbl.h */
diff --git a/misc/bits/syslog.h b/misc/bits/syslog.h
index 322192df21..0f0b628a33 100644
--- a/misc/bits/syslog.h
+++ b/misc/bits/syslog.h
@@ -16,8 +16,11 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#ifndef _SYS_SYSLOG_H
-# error "Never include <bits/syslog.h> directly; use <sys/syslog.h> instead."
+#ifndef _BITS_SYSLOG_H
+#define _BITS_SYSLOG_H 1
+
+#ifndef _SYSLOG_H
+# error "Never include <bits/syslog.h> directly; use <syslog.h> instead."
 #endif
 
 
@@ -47,3 +50,5 @@ vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap)
   __vsyslog_chk (__pri,  __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
 }
 #endif
+
+#endif /* bits/syslog.h */
diff --git a/misc/sys/syslog.h b/misc/sys/syslog.h
index ee01478c4b..9fc15930fb 100644
--- a/misc/sys/syslog.h
+++ b/misc/sys/syslog.h
@@ -1,215 +1,3 @@
-/*
- * Copyright (c) 1982, 1986, 1988, 1993
- *	The Regents of the University of California.  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.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
- *
- *	@(#)syslog.h	8.1 (Berkeley) 6/2/93
- */
-
-#ifndef _SYS_SYSLOG_H
-#define _SYS_SYSLOG_H 1
-
-#include <features.h>
-#define __need___va_list
-#include <stdarg.h>
-
-/* This file defines _PATH_LOG.  */
-#include <bits/syslog-path.h>
-
-/*
- * priorities/facilities are encoded into a single 32-bit quantity, where the
- * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
- * (0-big number).  Both the priorities and the facilities map roughly
- * one-to-one to strings in the syslogd(8) source code.  This mapping is
- * included in this file.
- *
- * priorities (these are ordered)
- */
-#define	LOG_EMERG	0	/* system is unusable */
-#define	LOG_ALERT	1	/* action must be taken immediately */
-#define	LOG_CRIT	2	/* critical conditions */
-#define	LOG_ERR		3	/* error conditions */
-#define	LOG_WARNING	4	/* warning conditions */
-#define	LOG_NOTICE	5	/* normal but significant condition */
-#define	LOG_INFO	6	/* informational */
-#define	LOG_DEBUG	7	/* debug-level messages */
-
-#define	LOG_PRIMASK	0x07	/* mask to extract priority part (internal) */
-				/* extract priority */
-#define	LOG_PRI(p)	((p) & LOG_PRIMASK)
-#define	LOG_MAKEPRI(fac, pri)	((fac) | (pri))
-
-#ifdef SYSLOG_NAMES
-#define	INTERNAL_NOPRI	0x10	/* the "no priority" priority */
-				/* mark "facility" */
-#define	INTERNAL_MARK	LOG_MAKEPRI(LOG_NFACILITIES << 3, 0)
-typedef struct _code {
-	char	*c_name;
-	int	c_val;
-} CODE;
-
-CODE prioritynames[] =
-  {
-    { "alert", LOG_ALERT },
-    { "crit", LOG_CRIT },
-    { "debug", LOG_DEBUG },
-    { "emerg", LOG_EMERG },
-    { "err", LOG_ERR },
-    { "error", LOG_ERR },		/* DEPRECATED */
-    { "info", LOG_INFO },
-    { "none", INTERNAL_NOPRI },		/* INTERNAL */
-    { "notice", LOG_NOTICE },
-    { "panic", LOG_EMERG },		/* DEPRECATED */
-    { "warn", LOG_WARNING },		/* DEPRECATED */
-    { "warning", LOG_WARNING },
-    { NULL, -1 }
-  };
+#ifndef _SYSLOG_H
+# include <syslog.h>
 #endif
-
-/* facility codes */
-#define	LOG_KERN	(0<<3)	/* kernel messages */
-#define	LOG_USER	(1<<3)	/* random user-level messages */
-#define	LOG_MAIL	(2<<3)	/* mail system */
-#define	LOG_DAEMON	(3<<3)	/* system daemons */
-#define	LOG_AUTH	(4<<3)	/* security/authorization messages */
-#define	LOG_SYSLOG	(5<<3)	/* messages generated internally by syslogd */
-#define	LOG_LPR		(6<<3)	/* line printer subsystem */
-#define	LOG_NEWS	(7<<3)	/* network news subsystem */
-#define	LOG_UUCP	(8<<3)	/* UUCP subsystem */
-#define	LOG_CRON	(9<<3)	/* clock daemon */
-#define	LOG_AUTHPRIV	(10<<3)	/* security/authorization messages (private) */
-#define	LOG_FTP		(11<<3)	/* ftp daemon */
-
-	/* other codes through 15 reserved for system use */
-#define	LOG_LOCAL0	(16<<3)	/* reserved for local use */
-#define	LOG_LOCAL1	(17<<3)	/* reserved for local use */
-#define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
-#define	LOG_LOCAL3	(19<<3)	/* reserved for local use */
-#define	LOG_LOCAL4	(20<<3)	/* reserved for local use */
-#define	LOG_LOCAL5	(21<<3)	/* reserved for local use */
-#define	LOG_LOCAL6	(22<<3)	/* reserved for local use */
-#define	LOG_LOCAL7	(23<<3)	/* reserved for local use */
-
-#define	LOG_NFACILITIES	24	/* current number of facilities */
-#define	LOG_FACMASK	0x03f8	/* mask to extract facility part */
-				/* facility of pri */
-#define	LOG_FAC(p)	(((p) & LOG_FACMASK) >> 3)
-
-#ifdef SYSLOG_NAMES
-CODE facilitynames[] =
-  {
-    { "auth", LOG_AUTH },
-    { "authpriv", LOG_AUTHPRIV },
-    { "cron", LOG_CRON },
-    { "daemon", LOG_DAEMON },
-    { "ftp", LOG_FTP },
-    { "kern", LOG_KERN },
-    { "lpr", LOG_LPR },
-    { "mail", LOG_MAIL },
-    { "mark", INTERNAL_MARK },		/* INTERNAL */
-    { "news", LOG_NEWS },
-    { "security", LOG_AUTH },		/* DEPRECATED */
-    { "syslog", LOG_SYSLOG },
-    { "user", LOG_USER },
-    { "uucp", LOG_UUCP },
-    { "local0", LOG_LOCAL0 },
-    { "local1", LOG_LOCAL1 },
-    { "local2", LOG_LOCAL2 },
-    { "local3", LOG_LOCAL3 },
-    { "local4", LOG_LOCAL4 },
-    { "local5", LOG_LOCAL5 },
-    { "local6", LOG_LOCAL6 },
-    { "local7", LOG_LOCAL7 },
-    { NULL, -1 }
-  };
-#endif
-
-/*
- * arguments to setlogmask.
- */
-#define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
-#define	LOG_UPTO(pri)	((1 << ((pri)+1)) - 1)	/* all priorities through pri */
-
-/*
- * Option flags for openlog.
- *
- * LOG_ODELAY no longer does anything.
- * LOG_NDELAY is the inverse of what it used to be.
- */
-#define	LOG_PID		0x01	/* log the pid with each message */
-#define	LOG_CONS	0x02	/* log on the console if errors in sending */
-#define	LOG_ODELAY	0x04	/* delay open until first syslog() (default) */
-#define	LOG_NDELAY	0x08	/* don't delay open */
-#define	LOG_NOWAIT	0x10	/* don't wait for console forks: DEPRECATED */
-#define	LOG_PERROR	0x20	/* log to stderr as well */
-
-__BEGIN_DECLS
-
-/* Close descriptor used to write to system logger.
-
-   This function is a possible cancellation point and therefore not
-   marked with __THROW.  */
-extern void closelog (void);
-
-/* Open connection to system logger.
-
-   This function is a possible cancellation point and therefore not
-   marked with __THROW.  */
-extern void openlog (const char *__ident, int __option, int __facility);
-
-/* Set the log mask level.  */
-extern int setlogmask (int __mask) __THROW;
-
-/* Generate a log message using FMT string and option arguments.
-
-   This function is a possible cancellation point and therefore not
-   marked with __THROW.  */
-extern void syslog (int __pri, const char *__fmt, ...)
-     __attribute__ ((__format__ (__printf__, 2, 3)));
-
-#ifdef __USE_MISC
-/* Generate a log message using FMT and using arguments pointed to by AP.
-
-   This function is not part of POSIX and therefore no official
-   cancellation point.  But due to similarity with an POSIX interface
-   or due to the implementation it is a cancellation point and
-   therefore not marked with __THROW.  */
-extern void vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap)
-     __attribute__ ((__format__ (__printf__, 2, 0)));
-#endif
-
-
-/* Define some macros helping to catch buffer overflows.  */
-#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
-# include <bits/syslog.h>
-#endif
-#ifdef __LDBL_COMPAT
-# include <bits/syslog-ldbl.h>
-#endif
-
-__END_DECLS
-
-#endif /* sys/syslog.h */
diff --git a/misc/syslog.h b/misc/syslog.h
index 830b4928ad..406133ba71 100644
--- a/misc/syslog.h
+++ b/misc/syslog.h
@@ -1 +1,215 @@
-#include <sys/syslog.h>
+/*
+ * Copyright (c) 1982, 1986, 1988, 1993
+ *	The Regents of the University of California.  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.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	@(#)syslog.h	8.1 (Berkeley) 6/2/93
+ */
+
+#ifndef _SYSLOG_H
+#define _SYSLOG_H 1
+
+#include <features.h>
+#define __need___va_list
+#include <stdarg.h>
+
+/* This file defines _PATH_LOG.  */
+#include <bits/syslog-path.h>
+
+/*
+ * priorities/facilities are encoded into a single 32-bit quantity, where the
+ * bottom 3 bits are the priority (0-7) and the top 28 bits are the facility
+ * (0-big number).  Both the priorities and the facilities map roughly
+ * one-to-one to strings in the syslogd(8) source code.  This mapping is
+ * included in this file.
+ *
+ * priorities (these are ordered)
+ */
+#define	LOG_EMERG	0	/* system is unusable */
+#define	LOG_ALERT	1	/* action must be taken immediately */
+#define	LOG_CRIT	2	/* critical conditions */
+#define	LOG_ERR		3	/* error conditions */
+#define	LOG_WARNING	4	/* warning conditions */
+#define	LOG_NOTICE	5	/* normal but significant condition */
+#define	LOG_INFO	6	/* informational */
+#define	LOG_DEBUG	7	/* debug-level messages */
+
+#define	LOG_PRIMASK	0x07	/* mask to extract priority part (internal) */
+				/* extract priority */
+#define	LOG_PRI(p)	((p) & LOG_PRIMASK)
+#define	LOG_MAKEPRI(fac, pri)	((fac) | (pri))
+
+#ifdef SYSLOG_NAMES
+#define	INTERNAL_NOPRI	0x10	/* the "no priority" priority */
+				/* mark "facility" */
+#define	INTERNAL_MARK	LOG_MAKEPRI(LOG_NFACILITIES << 3, 0)
+typedef struct _code {
+	char	*c_name;
+	int	c_val;
+} CODE;
+
+CODE prioritynames[] =
+  {
+    { "alert", LOG_ALERT },
+    { "crit", LOG_CRIT },
+    { "debug", LOG_DEBUG },
+    { "emerg", LOG_EMERG },
+    { "err", LOG_ERR },
+    { "error", LOG_ERR },		/* DEPRECATED */
+    { "info", LOG_INFO },
+    { "none", INTERNAL_NOPRI },		/* INTERNAL */
+    { "notice", LOG_NOTICE },
+    { "panic", LOG_EMERG },		/* DEPRECATED */
+    { "warn", LOG_WARNING },		/* DEPRECATED */
+    { "warning", LOG_WARNING },
+    { NULL, -1 }
+  };
+#endif
+
+/* facility codes */
+#define	LOG_KERN	(0<<3)	/* kernel messages */
+#define	LOG_USER	(1<<3)	/* random user-level messages */
+#define	LOG_MAIL	(2<<3)	/* mail system */
+#define	LOG_DAEMON	(3<<3)	/* system daemons */
+#define	LOG_AUTH	(4<<3)	/* security/authorization messages */
+#define	LOG_SYSLOG	(5<<3)	/* messages generated internally by syslogd */
+#define	LOG_LPR		(6<<3)	/* line printer subsystem */
+#define	LOG_NEWS	(7<<3)	/* network news subsystem */
+#define	LOG_UUCP	(8<<3)	/* UUCP subsystem */
+#define	LOG_CRON	(9<<3)	/* clock daemon */
+#define	LOG_AUTHPRIV	(10<<3)	/* security/authorization messages (private) */
+#define	LOG_FTP		(11<<3)	/* ftp daemon */
+
+	/* other codes through 15 reserved for system use */
+#define	LOG_LOCAL0	(16<<3)	/* reserved for local use */
+#define	LOG_LOCAL1	(17<<3)	/* reserved for local use */
+#define	LOG_LOCAL2	(18<<3)	/* reserved for local use */
+#define	LOG_LOCAL3	(19<<3)	/* reserved for local use */
+#define	LOG_LOCAL4	(20<<3)	/* reserved for local use */
+#define	LOG_LOCAL5	(21<<3)	/* reserved for local use */
+#define	LOG_LOCAL6	(22<<3)	/* reserved for local use */
+#define	LOG_LOCAL7	(23<<3)	/* reserved for local use */
+
+#define	LOG_NFACILITIES	24	/* current number of facilities */
+#define	LOG_FACMASK	0x03f8	/* mask to extract facility part */
+				/* facility of pri */
+#define	LOG_FAC(p)	(((p) & LOG_FACMASK) >> 3)
+
+#ifdef SYSLOG_NAMES
+CODE facilitynames[] =
+  {
+    { "auth", LOG_AUTH },
+    { "authpriv", LOG_AUTHPRIV },
+    { "cron", LOG_CRON },
+    { "daemon", LOG_DAEMON },
+    { "ftp", LOG_FTP },
+    { "kern", LOG_KERN },
+    { "lpr", LOG_LPR },
+    { "mail", LOG_MAIL },
+    { "mark", INTERNAL_MARK },		/* INTERNAL */
+    { "news", LOG_NEWS },
+    { "security", LOG_AUTH },		/* DEPRECATED */
+    { "syslog", LOG_SYSLOG },
+    { "user", LOG_USER },
+    { "uucp", LOG_UUCP },
+    { "local0", LOG_LOCAL0 },
+    { "local1", LOG_LOCAL1 },
+    { "local2", LOG_LOCAL2 },
+    { "local3", LOG_LOCAL3 },
+    { "local4", LOG_LOCAL4 },
+    { "local5", LOG_LOCAL5 },
+    { "local6", LOG_LOCAL6 },
+    { "local7", LOG_LOCAL7 },
+    { NULL, -1 }
+  };
+#endif
+
+/*
+ * arguments to setlogmask.
+ */
+#define	LOG_MASK(pri)	(1 << (pri))		/* mask for one priority */
+#define	LOG_UPTO(pri)	((1 << ((pri)+1)) - 1)	/* all priorities through pri */
+
+/*
+ * Option flags for openlog.
+ *
+ * LOG_ODELAY no longer does anything.
+ * LOG_NDELAY is the inverse of what it used to be.
+ */
+#define	LOG_PID		0x01	/* log the pid with each message */
+#define	LOG_CONS	0x02	/* log on the console if errors in sending */
+#define	LOG_ODELAY	0x04	/* delay open until first syslog() (default) */
+#define	LOG_NDELAY	0x08	/* don't delay open */
+#define	LOG_NOWAIT	0x10	/* don't wait for console forks: DEPRECATED */
+#define	LOG_PERROR	0x20	/* log to stderr as well */
+
+__BEGIN_DECLS
+
+/* Close descriptor used to write to system logger.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern void closelog (void);
+
+/* Open connection to system logger.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern void openlog (const char *__ident, int __option, int __facility);
+
+/* Set the log mask level.  */
+extern int setlogmask (int __mask) __THROW;
+
+/* Generate a log message using FMT string and option arguments.
+
+   This function is a possible cancellation point and therefore not
+   marked with __THROW.  */
+extern void syslog (int __pri, const char *__fmt, ...)
+     __attribute__ ((__format__ (__printf__, 2, 3)));
+
+#ifdef __USE_MISC
+/* Generate a log message using FMT and using arguments pointed to by AP.
+
+   This function is not part of POSIX and therefore no official
+   cancellation point.  But due to similarity with an POSIX interface
+   or due to the implementation it is a cancellation point and
+   therefore not marked with __THROW.  */
+extern void vsyslog (int __pri, const char *__fmt, __gnuc_va_list __ap)
+     __attribute__ ((__format__ (__printf__, 2, 0)));
+#endif
+
+
+/* Define some macros helping to catch buffer overflows.  */
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
+# include <bits/syslog.h>
+#endif
+#ifdef __LDBL_COMPAT
+# include <bits/syslog-ldbl.h>
+#endif
+
+__END_DECLS
+
+#endif /* sys/syslog.h */
diff --git a/scripts/check-obsolete-constructs.py b/scripts/check-obsolete-constructs.py
index af2d14bca0..6f5d21c2bb 100755
--- a/scripts/check-obsolete-constructs.py
+++ b/scripts/check-obsolete-constructs.py
@@ -635,12 +635,12 @@ HEADER_ALLOWED_INCLUDES = {
     "memory.h":                    [ "string.h" ],
     "poll.h":                      [ "sys/poll.h" ],
     "re_comp.h":                   [ "regex.h" ],
-    "syslog.h":                    [ "sys/syslog.h" ],
     "sys/bitypes.h":               [ "sys/types.h" ],
     "sys/dir.h":                   [ "dirent.h" ],
     "sys/errno.h":                 [ "errno.h" ],
     "sys/fcntl.h":                 [ "fcntl.h" ],
     "sys/signal.h":                [ "signal.h" ],
+    "sys/syslog.h":                [ "syslog.h" ],
     "sys/termios.h":               [ "termios.h" ],
     "sys/unistd.h":                [ "unistd.h" ],
     "syscall.h":                   [ "sys/syscall.h" ],