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-rw-r--r--resolv/netdb.h447
1 files changed, 298 insertions, 149 deletions
diff --git a/resolv/netdb.h b/resolv/netdb.h
index 38367e324f..cca3060826 100644
--- a/resolv/netdb.h
+++ b/resolv/netdb.h
@@ -1,72 +1,35 @@
-/*
- * ++Copyright++ 1980, 1983, 1988, 1993
- * -
- * Copyright (c) 1980, 1983, 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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 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.
- * -
- * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- *
- * 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, and that
- * the name of Digital Equipment Corporation not be used in advertising or
- * publicity pertaining to distribution of the document or software without
- * specific, written prior permission.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
- * CORPORATION 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.
- * -
- * --Copyright--
- */
-
-/*
- *      @(#)netdb.h	8.1 (Berkeley) 6/2/93
- *	$Id$
- */
-
-#ifndef _NETDB_H_
-#define _NETDB_H_
-
-#include <sys/param.h>
-#if (!defined(BSD)) || (BSD < 199306)
-# include <sys/bitypes.h>
-#endif
-#include <sys/cdefs.h>
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
 
+   The GNU C Library is free software; you can redistribute it
+   and/or modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   The GNU C Library 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 Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, write to the Free Software Foundation, Inc., 59 Temple Place -
+   Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* All data returned by the network data base library are supplied in
+   host order and returned in network order (suitable for use in
+   system calls).  */
+
+#ifndef	_NETDB_H
+
+#define	_NETDB_H	1
+#include <features.h>
+
+/* This is necessary to make this include file properly replace the
+   Sun version.  */
+#include <rpc/netdb.h>
+
+/* Absolute file name for network data base files.  */
 #define	_PATH_HEQUIV		"/etc/hosts.equiv"
 #define	_PATH_HOSTS		"/etc/hosts"
 #define	_PATH_NETWORKS		"/etc/networks"
@@ -74,98 +37,284 @@
 #define	_PATH_PROTOCOLS		"/etc/protocols"
 #define	_PATH_SERVICES		"/etc/services"
 
+
+__BEGIN_DECLS
+
+/* Error status for non-reentrant lookup functions.  */
 extern int h_errno;
 
-/*
- * Structures returned by network data base library.  All addresses are
- * supplied in host order, and returned in network order (suitable for
- * use in system calls).
- */
-struct	hostent {
-	char	*h_name;	/* official name of host */
-	char	**h_aliases;	/* alias list */
-	int	h_addrtype;	/* host address type */
-	int	h_length;	/* length of address */
-	char	**h_addr_list;	/* list of addresses from name server */
-#define	h_addr	h_addr_list[0]	/* address, for backward compatiblity */
-};
+/* Possible values left in `h_errno'.  */
+#define	NETDB_INTERNAL	-1	/* See errno.  */
+#define	NETDB_SUCCESS	0	/* No problem.  */
+#define	HOST_NOT_FOUND	1	/* Authoritative Answer Host not found.  */
+#define	TRY_AGAIN	2	/* Non-Authoritive Host not found,
+				   or SERVERFAIL.  */
+#define	NO_RECOVERY	3	/* Non recoverable errors, FORMERR, REFUSED,
+				   NOTIMP.  */
+#define	NO_DATA		4	/* Valid name, no data record of requested
+				   type.  */
+#define	NO_ADDRESS	NO_DATA	/* No address, look for MX record.  */
+
+/* Print error indicated by `h_errno' variable on standard error.  STR
+   if non-null is printed before the error string.  */
+extern void herror __P ((__const char *__str));
+
+/* Return string associated with error ERR_NUM.  */
+extern __const char *hstrerror __P ((int __err_num));
+
 
-/*
- * Assumption here is that a network number
- * fits in an unsigned long -- probably a poor one.
- */
-struct	netent {
-	char		*n_name;	/* official name of net */
-	char		**n_aliases;	/* alias list */
-	int		n_addrtype;	/* net address type */
-	unsigned long	n_net;		/* network # */
+
+/* Description of data base entry for a single host.  */
+struct hostent
+{
+  char *h_name;			/* Official name of host.  */
+  char **h_aliases;		/* Alias list.  */
+  int h_addrtype;		/* Host address type.  */
+  int h_length;			/* Length of address.  */
+  char **h_addr_list;		/* List of addresses from name server.  */
+#define	h_addr	h_addr_list[0]	/* Address, for backward compatiblity.  */
 };
 
-struct	servent {
-	char	*s_name;	/* official service name */
-	char	**s_aliases;	/* alias list */
-	int	s_port;		/* port # */
-	char	*s_proto;	/* protocol to use */
+/* Open host data base files and mark them as staying open even after
+   a later search if STAY_OPEN is non-zero.  */
+extern void sethostent __P ((int __stay_open));
+
+/* Close host data base files and clear `stay open' flag.  */
+extern void endhostent __P ((void));
+
+/* Get next entry from host data base file.  Open data base if
+   necessary.  */
+extern struct hostent *gethostent __P ((void));
+
+/* Return entry from host data base which address match ADDR with
+   length LEN and type TYPE.  */
+extern struct hostent *gethostbyaddr __P ((__const char *__addr, int __len,
+					   int __type));
+
+/* Return entry from host data base for host with NAME.  */
+extern struct hostent *gethostbyname __P ((__const char *__name));
+
+/* Return entry from host data base for host with NAME.  AF must be
+   set to the address type which as `AF_INET' for IPv4 or `AF_INET6'
+   for IPv6.  */
+extern struct hostent *gethostbyname2 __P ((__const char *__name, int __af));
+
+#ifdef	__USE_REENTRANT
+/* Reentrant versions of the functions above.  The additional
+   arguments specify a buffer of BUFLEN starting at BUF.  The last
+   argument is a pointer to a variable which gets the value which
+   would be stored in the global variable `herrno' by the
+   non-reentrant functions.  */
+extern struct hostent *__gethostent_r __P ((struct hostent *__result_buf,
+					    char *__buf, int __buf_len,
+					    int *__h_errnop));
+extern struct hostent *gethostent_r __P ((struct hostent *__result_buf,
+					  char *__buf, int __buf_len,
+					  int *__h_errnop));
+
+extern struct hostent *__gethostbyaddr_r __P ((__const char *__addr, int __len,
+					       int __type,
+					       struct hostent *__result_buf,
+					       char *__buf, int __buflen,
+					       int *__h_errnop));
+extern struct hostent *gethostbyaddr_r __P ((__const char *__addr, int __len,
+					     int __type,
+					     struct hostent *__result_buf,
+					     char *__buf, int __buflen,
+					     int *__h_errnop));
+
+extern struct hostent *__gethostbyname_r __P ((__const char *__name,
+					       struct hostent *__result_buf,
+					       char *__buf, int __buflen,
+					       int *__h_errnop));
+extern struct hostent *gethostbyname_r __P ((__const char *__name,
+					     struct hostent *__result_buf,
+					     char *__buf, int __buflen,
+					     int *__h_errnop));
+
+extern struct hostent *__gethostbyname2_r __P ((__const char *__name, int __af,
+						struct hostent *__result_buf,
+						char *__buf, int __buflen,
+						int *__h_errnop));
+extern struct hostent *gethostbyname2_r __P ((__const char *__name, int __af,
+					      struct hostent *__result_buf,
+					      char *__buf, int __buflen,
+					      int *__h_errnop));
+#endif	/* reentrant */
+
+
+/* Description of data base entry for a single network.  NOTE: here a
+   poor assumption is made.  The network number is expected to fit
+   into an unsigned long int variable.  */
+struct netent
+{
+  char *n_name;			/* Official name of network.  */
+  char **n_aliases;		/* Alias list.  */
+  int n_addrtype;		/* Net address type.  */
+  unsigned long	int n_net;	/* Network number.  */
 };
 
-struct	protoent {
-	char	*p_name;	/* official protocol name */
-	char	**p_aliases;	/* alias list */
-	int	p_proto;	/* protocol # */
+/* Open network data base files and mark them as staying open even
+   after a later search if STAY_OPEN is non-zero.  */
+extern void setnetent __P ((int __stay_open));
+
+/* Close network data base files and clear `stay open' flag.  */
+extern void endnetent __P ((void));
+
+/* Get next entry from network data base file.  Open data base if
+   necessary.  */
+extern struct netent *getnetent __P ((void));
+
+/* Return entry from network data base which address match NET and
+   type TYPE.  */
+extern struct netent *getnetbyaddr __P ((unsigned long int __net,
+					 int __type));
+
+/* Return entry from network data base for network with NAME.  */
+extern struct netent *getnetbyname __P ((__const char *__name));
+
+#ifdef	__USE_REENTRANT
+/* Reentrant versions of the functions above.  The additional
+   arguments specify a buffer of BUFLEN starting at BUF.  The last
+   argument is a pointer to a variable which gets the value which
+   would be stored in the global variable `herrno' by the
+   non-reentrant functions.  */
+extern struct netent *__getnetent_r __P ((struct netent *__result_buf,
+					  char *__buf, int __buf_len,
+					  int *__h_errnop));
+extern struct netent *getnetent_r __P ((struct netent *__result_buf,
+					char *__buf, int __buf_len,
+					int *__h_errnop));
+
+extern struct netent *__getnetbyaddr_r __P ((unsigned long int __net,
+					     int __type,
+					     struct netent *__result_buf,
+					     char *__buf, int __buflen,
+					     int *__h_errnop));
+extern struct netent *getnetbyaddr_r __P ((unsigned long int __net,
+					   int __type,
+					   struct netent *__result_buf,
+					   char *__buf, int __buflen,
+					   int *__h_errnop));
+
+extern struct netent *__getnetbyname_r __P ((__const char *__name,
+					     struct netent *__result_buf,
+					     char *__buf, int __buflen,
+					     int *__h_errnop));
+extern struct netent *getnetbyname_r __P ((__const char *__name,
+					   struct netent *__result_buf,
+					   char *__buf, int __buflen,
+					   int *__h_errnop));
+#endif	/* reentrant */
+
+
+/* Description of data base entry for a single service.  */
+struct servent
+{
+  char *s_name;			/* Official service name.  */
+  char **s_aliases;		/* Alias list.  */
+  int s_port;			/* Port number.  */
+  char *s_proto;		/* Protocol to use.  */
 };
 
-/*
- * Error return codes from gethostbyname() and gethostbyaddr()
- * (left in extern int h_errno).
- */
+/* Open service data base files and mark them as staying open even
+   after a later search if STAY_OPEN is non-zero.  */
+extern void setservent __P ((int __stay_open));
 
-#define	NETDB_INTERNAL	-1	/* see errno */
-#define	NETDB_SUCCESS	0	/* no problem */
-#define	HOST_NOT_FOUND	1 /* Authoritative Answer Host not found */
-#define	TRY_AGAIN	2 /* Non-Authoritive Host not found, or SERVERFAIL */
-#define	NO_RECOVERY	3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
-#define	NO_DATA		4 /* Valid name, no data record of requested type */
-#define	NO_ADDRESS	NO_DATA		/* no address, look for MX record */
+/* Close service data base files and clear `stay open' flag.  */
+extern void endservent __P ((void));
 
-__BEGIN_DECLS
-void		endhostent __P((void));
-void		endnetent __P((void));
-void		endprotoent __P((void));
-void		endservent __P((void));
-struct hostent	*gethostbyaddr __P((const char *, int, int));
-struct hostent	*gethostbyname __P((const char *));
-struct hostent	*gethostbyname2 __P((const char *, int));
-struct hostent	*gethostent __P((void));
-struct netent	*getnetbyaddr __P((unsigned long, int));
-struct netent	*getnetbyname __P((const char *));
-struct netent	*getnetent __P((void));
-struct protoent	*getprotobyname __P((const char *));
-struct protoent	*getprotobynumber __P((int));
-struct protoent	*getprotoent __P((void));
-struct servent	*getservbyname __P((const char *, const char *));
-struct servent	*getservbyport __P((int, const char *));
-struct servent	*getservent __P((void));
-void		herror __P((const char *));
-const char	*hstrerror __P((int));
-void		sethostent __P((int));
-/* void		sethostfile __P((const char *)); */
-void		setnetent __P((int));
-void		setprotoent __P((int));
-void		setservent __P((int));
-__END_DECLS
+/* Get next entry from service data base file.  Open data base if
+   necessary.  */
+extern struct servent *getservent __P ((void));
 
-/* This is nec'y to make this include file properly replace the sun version. */
-#ifdef __GNU_LIBRARY__
-#include <rpc/netdb.h>
-#else
-#ifdef sun
-struct rpcent {
-	char	*r_name;	/* name of server for this rpc program */
-	char	**r_aliases;	/* alias list */
-	int	r_number;	/* rpc program number */
+/* Return entry from network data base for network with NAME and
+   protocol PROTO.  */
+extern struct servent *getservbyname __P ((__const char *__name,
+					   __const char *__proto));
+
+/* Return entry from service data base which matches port PORT and
+   protocol PROTO.  */
+extern struct servent *getservbyport __P ((int __port, __const char *__proto));
+
+
+#ifdef	__USE_REENTRANT
+/* Reentrant versions of the functions above.  The additional
+   arguments specify a buffer of BUFLEN starting at BUF.  */
+extern struct servent *__getservent_r __P ((struct servent *__result_buf,
+					    char *__buf, int __buf_len));
+extern struct servent *getservent_r __P ((struct servent *__result_buf,
+					  char *__buf, int __buf_len));
+
+extern struct servent *__getservbyname_r __P ((__const char *__name,
+					       __const char *__proto,
+					       struct servent *__result_buf,
+					       char *__buf, int __buflen));
+extern struct servent *getservbyname_r __P ((__const char *__name,
+					     __const char *__proto,
+					     struct servent *__result_buf,
+					     char *__buf, int __buflen));
+
+extern struct servent *__getservbyport_r __P ((int __port,
+					       __const char *__proto,
+					       struct servent *__result_buf,
+					       char *__buf, int __buflen));
+extern struct servent *getservbyport_r __P ((int __port, __const char *__proto,
+					     struct servent *__result_buf,
+					     char *__buf, int __buflen));
+#endif	/* reentrant */
+
+
+/* Description of data base entry for a single service.  */
+struct protoent
+{
+  char *p_name;			/* Official protocol name.  */
+  char **p_aliases;		/* Alias list.  */
+  int p_proto;			/* Protocol number.  */
 };
-struct rpcent	*getrpcbyname(), *getrpcbynumber(), *getrpcent();
-#endif /* sun */
-#endif /* __GNU_LIBRARY__ */
 
-#endif /* !_NETDB_H_ */
+/* Open protocol data base files and mark them as staying open even
+   after a later search if STAY_OPEN is non-zero.  */
+extern void setprotoent __P ((int __stay_open));
+
+/* Close protocol data base files and clear `stay open' flag.  */
+extern void endprotoent __P ((void));
+
+/* Get next entry from protocol data base file.  Open data base if
+   necessary.  */
+extern struct protoent *getprotoent __P ((void));
+
+/* Return entry from protocol data base for network with NAME.  */
+extern struct protoent *getprotobyname __P ((__const char *__name));
+
+/* Return entry from protocol data base which number is PROTO.  */
+extern struct protoent *getprotobynumber __P ((int __proto));
+
+
+#ifdef	__USE_REENTRANT
+/* Reentrant versions of the functions above.  The additional
+   arguments specify a buffer of BUFLEN starting at BUF.  */
+extern struct protoent *__getprotoent_r __P ((struct protoent *__result_buf,
+					      char *__buf, int __buf_len));
+extern struct protoent *getprotoent_r __P ((struct protoent *__result_buf,
+					    char *__buf, int __buf_len));
+
+extern struct protoent *__getprotobyname_r __P ((__const char *__name,
+						 struct protoent *__result_buf,
+						 char *__buf, int __buflen));
+extern struct protoent *getprotobyname_r __P ((__const char *__name,
+					       struct protoent *__result_buf,
+					       char *__buf, int __buflen));
+
+extern struct protoent *__getprotobynumber_r __P ((int __proto,
+						   struct protoent *__res_buf,
+						   char *__buf, int __buflen));
+extern struct protoent *getprotobynumber_r __P ((int __proto,
+						 struct protoent *__result_buf,
+						 char *__buf, int __buflen));
+#endif	/* reentrant */
+
+
+__END_DECLS
+
+#endif	/* netdb.h */