Fix for Bug#18246 "compilation error with tcp_wrapper"

sql/mysqld.cc:
  Fix for Bug#18246 "compilation error with tcp_wrapper"
  
  Added wrapper functions.

include/Makefile.am

@@ -31,7 +31,7 @@ noinst_HEADERS =	config-win.h config-os2.h config-netware.h \
 			my_aes.h my_tree.h hash.h thr_alarm.h \
 			thr_lock.h t_ctype.h violite.h md5.h base64.h \
 			mysql_version.h.in my_handler.h my_time.h decimal.h \
-			my_user.h
+			my_user.h my_libwrap.h
 
 # mysql_version.h are generated
 CLEANFILES =            mysql_version.h my_config.h readline openssl

include/my_libwrap.h

+/* Copyright (C) 2000 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+extern void my_fromhost(struct request_info *req);
+extern int my_hosts_access(struct request_info *req);
+extern char *my_eval_client(struct request_info *req);

mysys/Makefile.am

@@ -56,7 +56,7 @@ libmysys_a_SOURCES =    my_init.c my_getwd.c mf_getdate.c my_mmap.c \
 			my_gethostbyname.c rijndael.c my_aes.c sha1.c \
 			my_handler.c my_netware.c my_largepage.c \
 			my_memmem.c \
-			my_windac.c my_access.c base64.c
+			my_windac.c my_access.c base64.c my_libwrap.c
 EXTRA_DIST =		thr_alarm.c thr_lock.c my_pthread.c my_thr_init.c \
 			thr_mutex.c thr_rwlock.c
 libmysys_a_LIBADD =	@THREAD_LOBJECTS@

mysys/my_libwrap.c

+/* Copyright (C) 2003 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <my_global.h>
+#ifdef HAVE_LIBWRAP
+#include <tcpd.h>
+#include <syslog.h>
+#ifdef NEED_SYS_SYSLOG_H
+#include <sys/syslog.h>
+#endif /* NEED_SYS_SYSLOG_H */
+#endif
+
+void my_fromhost(struct request_info *req)
+{
+  fromhost(req);
+}
+
+int my_hosts_access(struct request_info *req)
+{
+  hosts_access(req);
+}
+
+char *my_eval_client(struct request_info *req)
+{
+  eval_client(req);
+}

sql/mysqld.cc

@@ -4072,8 +4072,8 @@ pthread_handler_t handle_connections_sockets(void *arg __attribute__((unused)))
 	struct request_info req;
 	signal(SIGCHLD, SIG_DFL);
 	request_init(&req, RQ_DAEMON, libwrapName, RQ_FILE, new_sock, NULL);
-	fromhost(&req);
-	if (!hosts_access(&req))
+	my_fromhost(&req);
+	if (!my_hosts_access(&req))
 	{
 	  /*
 	    This may be stupid but refuse() includes an exit(0)
@@ -4081,7 +4081,7 @@ pthread_handler_t handle_connections_sockets(void *arg __attribute__((unused)))
 	    clean_exit() - same stupid thing ...
 	  */
 	  syslog(deny_severity, "refused connect from %s",
-		 eval_client(&req));
+		 my_eval_client(&req));
 
 	  /*
 	    C++ sucks (the gibberish in front just translates the supplied