This diff extracts the logging prototypes into a "new" log.h. It's
a copy from bgpd so it also improves the logit fatal case.

OK?

diff --git a/usr.sbin/httpd/config.c b/usr.sbin/httpd/config.c
index 300a5f2caca..6f93e1187a4 100644
--- a/usr.sbin/httpd/config.c
+++ b/usr.sbin/httpd/config.c
@@ -31,6 +31,7 @@
 #include <imsg.h>
 
 #include "httpd.h"
+#include "log.h"
 
 int	 config_getserver_config(struct httpd *, struct server *,
 	    struct imsg *);
diff --git a/usr.sbin/httpd/control.c b/usr.sbin/httpd/control.c
index 9a4eb3b5163..5483a4a3f8b 100644
--- a/usr.sbin/httpd/control.c
+++ b/usr.sbin/httpd/control.c
@@ -31,6 +31,7 @@
 #include <imsg.h>
 
 #include "httpd.h"
+#include "log.h"
 
 #define	CONTROL_BACKLOG	5
 
diff --git a/usr.sbin/httpd/httpd.c b/usr.sbin/httpd/httpd.c
index c2d74de03fe..a092a16cd82 100644
--- a/usr.sbin/httpd/httpd.c
+++ b/usr.sbin/httpd/httpd.c
@@ -42,6 +42,7 @@
 #include <pwd.h>
 
 #include "httpd.h"
+#include "log.h"
 
 #define MAXIMUM(a, b)	(((a) > (b)) ? (a) : (b))
 
diff --git a/usr.sbin/httpd/log.c b/usr.sbin/httpd/log.c
index b7e25a64720..b62359f7295 100644
--- a/usr.sbin/httpd/log.c
+++ b/usr.sbin/httpd/log.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: log.c,v 1.14 2017/03/21 12:06:55 bluhm Exp $	*/
+/*	$OpenBSD: log.c,v 1.64 2017/03/21 12:06:55 bluhm Exp $	*/
 
 /*
  * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
@@ -24,30 +24,11 @@
 #include <errno.h>
 #include <time.h>
 
-static int	 debug;
-static int	 verbose;
-const char	*log_procname;
-
-void	log_init(int, int);
-void	log_procinit(const char *);
-void	log_setverbose(int);
-int	log_getverbose(void);
-void	log_warn(const char *, ...)
-	    __attribute__((__format__ (printf, 1, 2)));
-void	log_warnx(const char *, ...)
-	    __attribute__((__format__ (printf, 1, 2)));
-void	log_info(const char *, ...)
-	    __attribute__((__format__ (printf, 1, 2)));
-void	log_debug(const char *, ...)
-	    __attribute__((__format__ (printf, 1, 2)));
-void	logit(int, const char *, ...)
-	    __attribute__((__format__ (printf, 2, 3)));
-void	vlog(int, const char *, va_list)
-	    __attribute__((__format__ (printf, 2, 0)));
-__dead void fatal(const char *, ...)
-	    __attribute__((__format__ (printf, 1, 2)));
-__dead void fatalx(const char *, ...)
-	    __attribute__((__format__ (printf, 1, 2)));
+#include "log.h"
+
+static int		 debug;
+static int		 verbose;
+static const char	*log_procname;
 
 void
 log_init(int n_debug, int facility)
@@ -168,7 +149,7 @@ log_debug(const char *emsg, ...)
 {
 	va_list	 ap;
 
-	if (verbose > 1) {
+	if (verbose) {
 		va_start(ap, emsg);
 		vlog(LOG_DEBUG, emsg, ap);
 		va_end(ap);
@@ -189,10 +170,10 @@ vfatalc(int code, const char *emsg, va_list ap)
 		sep = "";
 	}
 	if (code)
-		logit(LOG_CRIT, "%s: %s%s%s",
+		logit(LOG_CRIT, "fatal in %s: %s%s%s",
 		    log_procname, s, sep, strerror(code));
 	else
-		logit(LOG_CRIT, "%s%s%s", log_procname, sep, s);
+		logit(LOG_CRIT, "fatal in %s%s%s", log_procname, sep, s);
 }
 
 void
diff --git a/usr.sbin/httpd/log.h b/usr.sbin/httpd/log.h
new file mode 100644
index 00000000000..e91c2392877
--- /dev/null
+++ b/usr.sbin/httpd/log.h
@@ -0,0 +1,46 @@
+/*	$OpenBSD: log.h,v 1.20 2020/10/21 06:48:33 claudio Exp $ */
+
+/*
+ * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef LOG_H
+#define LOG_H
+
+#include <sys/types.h>
+#include <stdarg.h>
+
+void	log_init(int, int);
+void	log_procinit(const char *);
+void	log_setverbose(int);
+int	log_getverbose(void);
+void	log_warn(const char *, ...)
+	    __attribute__((__format__ (printf, 1, 2)));
+void	log_warnx(const char *, ...)
+	    __attribute__((__format__ (printf, 1, 2)));
+void	log_info(const char *, ...)
+	    __attribute__((__format__ (printf, 1, 2)));
+void	log_debug(const char *, ...)
+	    __attribute__((__format__ (printf, 1, 2)));
+void	logit(int, const char *, ...)
+	    __attribute__((__format__ (printf, 2, 3)));
+void	vlog(int, const char *, va_list)
+	    __attribute__((__format__ (printf, 2, 0)));
+__dead void fatal(const char *, ...)
+	    __attribute__((__format__ (printf, 1, 2)));
+__dead void fatalx(const char *, ...)
+	    __attribute__((__format__ (printf, 1, 2)));
+
+#endif /* LOG_H */
diff --git a/usr.sbin/httpd/logger.c b/usr.sbin/httpd/logger.c
index 31f441011ab..434a93f20ae 100644
--- a/usr.sbin/httpd/logger.c
+++ b/usr.sbin/httpd/logger.c
@@ -29,6 +29,7 @@
 #include <imsg.h>
 
 #include "httpd.h"
+#include "log.h"
 
 int		 logger_dispatch_parent(int, struct privsep_proc *,
 		    struct imsg *);
diff --git a/usr.sbin/httpd/proc.c b/usr.sbin/httpd/proc.c
index 66d528668df..9d2773c0e00 100644
--- a/usr.sbin/httpd/proc.c
+++ b/usr.sbin/httpd/proc.c
@@ -35,6 +35,7 @@
 #include <imsg.h>
 
 #include "httpd.h"
+#include "log.h"
 
 void	 proc_exec(struct privsep *, struct privsep_proc *, unsigned int, int,
 	    char **);
diff --git a/usr.sbin/httpd/server.c b/usr.sbin/httpd/server.c
index a38cf018d81..82b1376bfac 100644
--- a/usr.sbin/httpd/server.c
+++ b/usr.sbin/httpd/server.c
@@ -43,6 +43,7 @@
 #include <vis.h>
 
 #include "httpd.h"
+#include "log.h"
 
 #define MINIMUM(a, b)	(((a) < (b)) ? (a) : (b))
 
diff --git a/usr.sbin/httpd/server_fcgi.c b/usr.sbin/httpd/server_fcgi.c
index c5f9917204c..f8d21df8397 100644
--- a/usr.sbin/httpd/server_fcgi.c
+++ b/usr.sbin/httpd/server_fcgi.c
@@ -36,6 +36,7 @@
 
 #include "httpd.h"
 #include "http.h"
+#include "log.h"
 
 #define FCGI_PADDING_SIZE	 255
 #define FCGI_RECORD_SIZE	 \
diff --git a/usr.sbin/httpd/server_http.c b/usr.sbin/httpd/server_http.c
index 6e5fce04845..b972f90e112 100644
--- a/usr.sbin/httpd/server_http.c
+++ b/usr.sbin/httpd/server_http.c
@@ -42,6 +42,7 @@
 
 #include "httpd.h"
 #include "http.h"
+#include "log.h"
 #include "patterns.h"
 
 static int	 server_httpmethod_cmp(const void *, const void *);