1 files changed, 0 insertions, 801 deletions
diff --git a/contrib/bind9/lib/bind/resolv/res_init.c b/contrib/bind9/lib/bind/resolv/res_init.c
deleted file mode 100644
index f580b9c..0000000
--- a/contrib/bind9/lib/bind/resolv/res_init.c
+++ /dev/null
@@ -1,801 +0,0 @@
-/*
- * Copyright (c) 1985, 1989, 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 (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
- *
- * 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 ISC DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC 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.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static const char sccsid[] = "@(#)res_init.c	8.1 (Berkeley) 6/7/93";
-static const char rcsid[] = "$Id: res_init.c,v 1.16.18.7 2007/07/09 01:52:58 marka Exp $";
-#endif /* LIBC_SCCS and not lint */
-
-#include "port_before.h"
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <arpa/nameser.h>
-
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <netdb.h>
-
-#include "port_after.h"
-
-/* ensure that sockaddr_in6 and IN6ADDR_ANY_INIT are declared / defined */
-#include <resolv.h>
-
-#include "res_private.h"
-
-/*% Options.  Should all be left alone. */
-#define RESOLVSORT
-#define DEBUG
-
-#ifdef SOLARIS2
-#include <sys/systeminfo.h>
-#endif
-
-static void res_setoptions __P((res_state, const char *, const char *));
-
-#ifdef RESOLVSORT
-static const char sort_mask[] = "/&";
-#define ISSORTMASK(ch) (strchr(sort_mask, ch) != NULL)
-static u_int32_t net_mask __P((struct in_addr));
-#endif
-
-#if !defined(isascii)	/*%< XXX - could be a function */
-# define isascii(c) (!(c & 0200))
-#endif
-
-/*
- * Resolver state default settings.
- */
-
-/*%
- * Set up default settings.  If the configuration file exist, the values
- * there will have precedence.  Otherwise, the server address is set to
- * INADDR_ANY and the default domain name comes from the gethostname().
- *
- * An interrim version of this code (BIND 4.9, pre-4.4BSD) used 127.0.0.1
- * rather than INADDR_ANY ("0.0.0.0") as the default name server address
- * since it was noted that INADDR_ANY actually meant ``the first interface
- * you "ifconfig"'d at boot time'' and if this was a SLIP or PPP interface,
- * it had to be "up" in order for you to reach your own name server.  It
- * was later decided that since the recommended practice is to always 
- * install local static routes through 127.0.0.1 for all your network
- * interfaces, that we could solve this problem without a code change.
- *
- * The configuration file should always be used, since it is the only way
- * to specify a default domain.  If you are running a server on your local
- * machine, you should say "nameserver 0.0.0.0" or "nameserver 127.0.0.1"
- * in the configuration file.
- *
- * Return 0 if completes successfully, -1 on error
- */
-int
-res_ninit(res_state statp) {
-	extern int __res_vinit(res_state, int);
-
-	return (__res_vinit(statp, 0));
-}
-
-/*% This function has to be reachable by res_data.c but not publically. */
-int
-__res_vinit(res_state statp, int preinit) {
-	register FILE *fp;
-	register char *cp, **pp;
-	register int n;
-	char buf[BUFSIZ];
-	int nserv = 0;    /*%< number of nameserver records read from file */
-	int haveenv = 0;
-	int havesearch = 0;
-#ifdef RESOLVSORT
-	int nsort = 0;
-	char *net;
-#endif
-	int dots;
-	union res_sockaddr_union u[2];
-	int maxns = MAXNS;
-
-	RES_SET_H_ERRNO(statp, 0);
-	if (statp->_u._ext.ext != NULL)
-		res_ndestroy(statp);
-
-	if (!preinit) {
-		statp->retrans = RES_TIMEOUT;
-		statp->retry = RES_DFLRETRY;
-		statp->options = RES_DEFAULT;
-		statp->id = res_randomid();
-	}
-
-	memset(u, 0, sizeof(u));
-#ifdef USELOOPBACK
-	u[nserv].sin.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
-#else
-	u[nserv].sin.sin_addr.s_addr = INADDR_ANY;
-#endif
-	u[nserv].sin.sin_family = AF_INET;
-	u[nserv].sin.sin_port = htons(NAMESERVER_PORT);
-#ifdef HAVE_SA_LEN
-	u[nserv].sin.sin_len = sizeof(struct sockaddr_in);
-#endif
-	nserv++;
-#ifdef HAS_INET6_STRUCTS
-#ifdef USELOOPBACK
-	u[nserv].sin6.sin6_addr = in6addr_loopback;
-#else
-	u[nserv].sin6.sin6_addr = in6addr_any;
-#endif
-	u[nserv].sin6.sin6_family = AF_INET6;
-	u[nserv].sin6.sin6_port = htons(NAMESERVER_PORT);
-#ifdef HAVE_SA_LEN
-	u[nserv].sin6.sin6_len = sizeof(struct sockaddr_in6);
-#endif
-	nserv++;
-#endif
-	statp->nscount = 0;
-	statp->ndots = 1;
-	statp->pfcode = 0;
-	statp->_vcsock = -1;
-	statp->_flags = 0;
-	statp->qhook = NULL;
-	statp->rhook = NULL;
-	statp->_u._ext.nscount = 0;
-	statp->_u._ext.ext = malloc(sizeof(*statp->_u._ext.ext));
-	if (statp->_u._ext.ext != NULL) {
-	        memset(statp->_u._ext.ext, 0, sizeof(*statp->_u._ext.ext));
-		statp->_u._ext.ext->nsaddrs[0].sin = statp->nsaddr;
-		strcpy(statp->_u._ext.ext->nsuffix, "ip6.arpa");
-		strcpy(statp->_u._ext.ext->nsuffix2, "ip6.int");
-	} else {
-		/*
-		 * Historically res_init() rarely, if at all, failed.
-		 * Examples and applications exist which do not check
-		 * our return code.  Furthermore several applications
-		 * simply call us to get the systems domainname.  So
-		 * rather then immediately fail here we store the
-		 * failure, which is returned later, in h_errno.  And
-		 * prevent the collection of 'nameserver' information
-		 * by setting maxns to 0.  Thus applications that fail
-		 * to check our return code wont be able to make
-		 * queries anyhow.
-		 */
-		RES_SET_H_ERRNO(statp, NETDB_INTERNAL);
-		maxns = 0;
-	}
-#ifdef RESOLVSORT
-	statp->nsort = 0;
-#endif
-	res_setservers(statp, u, nserv);
-
-#ifdef	SOLARIS2
-	/*
-	 * The old libresolv derived the defaultdomain from NIS/NIS+.
-	 * We want to keep this behaviour
-	 */
-	{
-		char buf[sizeof(statp->defdname)], *cp;
-		int ret;
-
-		if ((ret = sysinfo(SI_SRPC_DOMAIN, buf, sizeof(buf))) > 0 &&
-			(unsigned int)ret <= sizeof(buf)) {
-			if (buf[0] == '+')
-				buf[0] = '.';
-			cp = strchr(buf, '.');
-			cp = (cp == NULL) ? buf : (cp + 1);
-			strncpy(statp->defdname, cp,
-				sizeof(statp->defdname) - 1);
-			statp->defdname[sizeof(statp->defdname) - 1] = '\0';
-		}
-	}
-#endif	/* SOLARIS2 */
-
-	/* Allow user to override the local domain definition */
-	if ((cp = getenv("LOCALDOMAIN")) != NULL) {
-		(void)strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1);
-		statp->defdname[sizeof(statp->defdname) - 1] = '\0';
-		haveenv++;
-
-		/*
-		 * Set search list to be blank-separated strings
-		 * from rest of env value.  Permits users of LOCALDOMAIN
-		 * to still have a search list, and anyone to set the
-		 * one that they want to use as an individual (even more
-		 * important now that the rfc1535 stuff restricts searches)
-		 */
-		cp = statp->defdname;
-		pp = statp->dnsrch;
-		*pp++ = cp;
-		for (n = 0; *cp && pp < statp->dnsrch + MAXDNSRCH; cp++) {
-			if (*cp == '\n')	/*%< silly backwards compat */
-				break;
-			else if (*cp == ' ' || *cp == '\t') {
-				*cp = 0;
-				n = 1;
-			} else if (n) {
-				*pp++ = cp;
-				n = 0;
-				havesearch = 1;
-			}
-		}
-		/* null terminate last domain if there are excess */
-		while (*cp != '\0' && *cp != ' ' && *cp != '\t' && *cp != '\n')
-			cp++;
-		*cp = '\0';
-		*pp++ = 0;
-	}
-
-#define	MATCH(line, name) \
-	(!strncmp(line, name, sizeof(name) - 1) && \
-	(line[sizeof(name) - 1] == ' ' || \
-	 line[sizeof(name) - 1] == '\t'))
-
-	nserv = 0;
-	if ((fp = fopen(_PATH_RESCONF, "r")) != NULL) {
-	    /* read the config file */
-	    while (fgets(buf, sizeof(buf), fp) != NULL) {
-		/* skip comments */
-		if (*buf == ';' || *buf == '#')
-			continue;
-		/* read default domain name */
-		if (MATCH(buf, "domain")) {
-		    if (haveenv)	/*%< skip if have from environ */
-			    continue;
-		    cp = buf + sizeof("domain") - 1;
-		    while (*cp == ' ' || *cp == '\t')
-			    cp++;
-		    if ((*cp == '\0') || (*cp == '\n'))
-			    continue;
-		    strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1);
-		    statp->defdname[sizeof(statp->defdname) - 1] = '\0';
-		    if ((cp = strpbrk(statp->defdname, " \t\n")) != NULL)
-			    *cp = '\0';
-		    havesearch = 0;
-		    continue;
-		}
-		/* set search list */
-		if (MATCH(buf, "search")) {
-		    if (haveenv)	/*%< skip if have from environ */
-			    continue;
-		    cp = buf + sizeof("search") - 1;
-		    while (*cp == ' ' || *cp == '\t')
-			    cp++;
-		    if ((*cp == '\0') || (*cp == '\n'))
-			    continue;
-		    strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1);
-		    statp->defdname[sizeof(statp->defdname) - 1] = '\0';
-		    if ((cp = strchr(statp->defdname, '\n')) != NULL)
-			    *cp = '\0';
-		    /*
-		     * Set search list to be blank-separated strings
-		     * on rest of line.
-		     */
-		    cp = statp->defdname;
-		    pp = statp->dnsrch;
-		    *pp++ = cp;
-		    for (n = 0; *cp && pp < statp->dnsrch + MAXDNSRCH; cp++) {
-			    if (*cp == ' ' || *cp == '\t') {
-				    *cp = 0;
-				    n = 1;
-			    } else if (n) {
-				    *pp++ = cp;
-				    n = 0;
-			    }
-		    }
-		    /* null terminate last domain if there are excess */
-		    while (*cp != '\0' && *cp != ' ' && *cp != '\t')
-			    cp++;
-		    *cp = '\0';
-		    *pp++ = 0;
-		    havesearch = 1;
-		    continue;
-		}
-		/* read nameservers to query */
-		if (MATCH(buf, "nameserver") && nserv < maxns) {
-		    struct addrinfo hints, *ai;
-		    char sbuf[NI_MAXSERV];
-		    const size_t minsiz =
-		        sizeof(statp->_u._ext.ext->nsaddrs[0]);
-
-		    cp = buf + sizeof("nameserver") - 1;
-		    while (*cp == ' ' || *cp == '\t')
-			cp++;
-		    cp[strcspn(cp, ";# \t\n")] = '\0';
-		    if ((*cp != '\0') && (*cp != '\n')) {
-			memset(&hints, 0, sizeof(hints));
-			hints.ai_family = PF_UNSPEC;
-			hints.ai_socktype = SOCK_DGRAM;	/*dummy*/
-			hints.ai_flags = AI_NUMERICHOST;
-			sprintf(sbuf, "%u", NAMESERVER_PORT);
-			if (getaddrinfo(cp, sbuf, &hints, &ai) == 0 &&
-			    ai->ai_addrlen <= minsiz) {
-			    if (statp->_u._ext.ext != NULL) {
-				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],
-				    ai->ai_addr, ai->ai_addrlen);
-			    }
-			    if (ai->ai_addrlen <=
-			        sizeof(statp->nsaddr_list[nserv])) {
-				memcpy(&statp->nsaddr_list[nserv],
-				    ai->ai_addr, ai->ai_addrlen);
-			    } else
-				statp->nsaddr_list[nserv].sin_family = 0;
-			    freeaddrinfo(ai);
-			    nserv++;
-			}
-		    }
-		    continue;
-		}
-#ifdef RESOLVSORT
-		if (MATCH(buf, "sortlist")) {
-		    struct in_addr a;
-
-		    cp = buf + sizeof("sortlist") - 1;
-		    while (nsort < MAXRESOLVSORT) {
-			while (*cp == ' ' || *cp == '\t')
-			    cp++;
-			if (*cp == '\0' || *cp == '\n' || *cp == ';')
-			    break;
-			net = cp;
-			while (*cp && !ISSORTMASK(*cp) && *cp != ';' &&
-			       isascii(*cp) && !isspace((unsigned char)*cp))
-				cp++;
-			n = *cp;
-			*cp = 0;
-			if (inet_aton(net, &a)) {
-			    statp->sort_list[nsort].addr = a;
-			    if (ISSORTMASK(n)) {
-				*cp++ = n;
-				net = cp;
-				while (*cp && *cp != ';' &&
-					isascii(*cp) &&
-					!isspace((unsigned char)*cp))
-				    cp++;
-				n = *cp;
-				*cp = 0;
-				if (inet_aton(net, &a)) {
-				    statp->sort_list[nsort].mask = a.s_addr;
-				} else {
-				    statp->sort_list[nsort].mask = 
-					net_mask(statp->sort_list[nsort].addr);
-				}
-			    } else {
-				statp->sort_list[nsort].mask = 
-				    net_mask(statp->sort_list[nsort].addr);
-			    }
-			    nsort++;
-			}
-			*cp = n;
-		    }
-		    continue;
-		}
-#endif
-		if (MATCH(buf, "options")) {
-		    res_setoptions(statp, buf + sizeof("options") - 1, "conf");
-		    continue;
-		}
-	    }
-	    if (nserv > 0) 
-		statp->nscount = nserv;
-#ifdef RESOLVSORT
-	    statp->nsort = nsort;
-#endif
-	    (void) fclose(fp);
-	}
-/*
- * Last chance to get a nameserver.  This should not normally
- * be necessary
- */
-#ifdef NO_RESOLV_CONF
-	if(nserv == 0)
-		nserv = get_nameservers(statp);
-#endif
-
-	if (statp->defdname[0] == 0 &&
-	    gethostname(buf, sizeof(statp->defdname) - 1) == 0 &&
-	    (cp = strchr(buf, '.')) != NULL)
-		strcpy(statp->defdname, cp + 1);
-
-	/* find components of local domain that might be searched */
-	if (havesearch == 0) {
-		pp = statp->dnsrch;
-		*pp++ = statp->defdname;
-		*pp = NULL;
-
-		dots = 0;
-		for (cp = statp->defdname; *cp; cp++)
-			dots += (*cp == '.');
-
-		cp = statp->defdname;
-		while (pp < statp->dnsrch + MAXDFLSRCH) {
-			if (dots < LOCALDOMAINPARTS)
-				break;
-			cp = strchr(cp, '.') + 1;    /*%< we know there is one */
-			*pp++ = cp;
-			dots--;
-		}
-		*pp = NULL;
-#ifdef DEBUG
-		if (statp->options & RES_DEBUG) {
-			printf(";; res_init()... default dnsrch list:\n");
-			for (pp = statp->dnsrch; *pp; pp++)
-				printf(";;\t%s\n", *pp);
-			printf(";;\t..END..\n");
-		}
-#endif
-	}
-
-	if ((cp = getenv("RES_OPTIONS")) != NULL)
-		res_setoptions(statp, cp, "env");
-	statp->options |= RES_INIT;
-	return (statp->res_h_errno);
-}
-
-static void
-res_setoptions(res_state statp, const char *options, const char *source)
-{
-	const char *cp = options;
-	int i;
-	struct __res_state_ext *ext = statp->_u._ext.ext;
-
-#ifdef DEBUG
-	if (statp->options & RES_DEBUG)
-		printf(";; res_setoptions(\"%s\", \"%s\")...\n",
-		       options, source);
-#endif
-	while (*cp) {
-		/* skip leading and inner runs of spaces */
-		while (*cp == ' ' || *cp == '\t')
-			cp++;
-		/* search for and process individual options */
-		if (!strncmp(cp, "ndots:", sizeof("ndots:") - 1)) {
-			i = atoi(cp + sizeof("ndots:") - 1);
-			if (i <= RES_MAXNDOTS)
-				statp->ndots = i;
-			else
-				statp->ndots = RES_MAXNDOTS;
-#ifdef DEBUG
-			if (statp->options & RES_DEBUG)
-				printf(";;\tndots=%d\n", statp->ndots);
-#endif
-		} else if (!strncmp(cp, "timeout:", sizeof("timeout:") - 1)) {
-			i = atoi(cp + sizeof("timeout:") - 1);
-			if (i <= RES_MAXRETRANS)
-				statp->retrans = i;
-			else
-				statp->retrans = RES_MAXRETRANS;
-#ifdef DEBUG
-			if (statp->options & RES_DEBUG)
-				printf(";;\ttimeout=%d\n", statp->retrans);
-#endif
-#ifdef	SOLARIS2
-		} else if (!strncmp(cp, "retrans:", sizeof("retrans:") - 1)) {
-			/*
-		 	 * For backward compatibility, 'retrans' is
-		 	 * supported as an alias for 'timeout', though
-		 	 * without an imposed maximum.
-		 	 */
-			statp->retrans = atoi(cp + sizeof("retrans:") - 1);
-		} else if (!strncmp(cp, "retry:", sizeof("retry:") - 1)){
-			/*
-			 * For backward compatibility, 'retry' is
-			 * supported as an alias for 'attempts', though
-			 * without an imposed maximum.
-			 */
-			statp->retry = atoi(cp + sizeof("retry:") - 1);
-#endif	/* SOLARIS2 */
-		} else if (!strncmp(cp, "attempts:", sizeof("attempts:") - 1)){
-			i = atoi(cp + sizeof("attempts:") - 1);
-			if (i <= RES_MAXRETRY)
-				statp->retry = i;
-			else
-				statp->retry = RES_MAXRETRY;
-#ifdef DEBUG
-			if (statp->options & RES_DEBUG)
-				printf(";;\tattempts=%d\n", statp->retry);
-#endif
-		} else if (!strncmp(cp, "debug", sizeof("debug") - 1)) {
-#ifdef DEBUG
-			if (!(statp->options & RES_DEBUG)) {
-				printf(";; res_setoptions(\"%s\", \"%s\")..\n",
-				       options, source);
-				statp->options |= RES_DEBUG;
-			}
-			printf(";;\tdebug\n");
-#endif
-		} else if (!strncmp(cp, "no_tld_query",
-				    sizeof("no_tld_query") - 1) ||
-			   !strncmp(cp, "no-tld-query",
-				    sizeof("no-tld-query") - 1)) {
-			statp->options |= RES_NOTLDQUERY;
-		} else if (!strncmp(cp, "inet6", sizeof("inet6") - 1)) {
-			statp->options |= RES_USE_INET6;
-		} else if (!strncmp(cp, "rotate", sizeof("rotate") - 1)) {
-			statp->options |= RES_ROTATE;
-		} else if (!strncmp(cp, "no-check-names",
-				    sizeof("no-check-names") - 1)) {
-			statp->options |= RES_NOCHECKNAME;
-		}
-#ifdef RES_USE_EDNS0
-		else if (!strncmp(cp, "edns0", sizeof("edns0") - 1)) {
-			statp->options |= RES_USE_EDNS0;
-		}
-#endif
-		else if (!strncmp(cp, "dname", sizeof("dname") - 1)) {
-			statp->options |= RES_USE_DNAME;
-		}
-		else if (!strncmp(cp, "nibble:", sizeof("nibble:") - 1)) {
-			if (ext == NULL)
-				goto skip;
-			cp += sizeof("nibble:") - 1;
-			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix) - 1);
-			strncpy(ext->nsuffix, cp, i);
-			ext->nsuffix[i] = '\0';
-		}
-		else if (!strncmp(cp, "nibble2:", sizeof("nibble2:") - 1)) {
-			if (ext == NULL)
-				goto skip;
-			cp += sizeof("nibble2:") - 1;
-			i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix2) - 1);
-			strncpy(ext->nsuffix2, cp, i);
-			ext->nsuffix2[i] = '\0';
-		}
-		else if (!strncmp(cp, "v6revmode:", sizeof("v6revmode:") - 1)) {
-			cp += sizeof("v6revmode:") - 1;
-			/* "nibble" and "bitstring" used to be valid */
-			if (!strncmp(cp, "single", sizeof("single") - 1)) {
-				statp->options |= RES_NO_NIBBLE2;
-			} else if (!strncmp(cp, "both", sizeof("both") - 1)) {
-				statp->options &=
-					 ~RES_NO_NIBBLE2;
-			}
-		}
-		else {
-			/* XXX - print a warning here? */
-		}
-   skip:
-		/* skip to next run of spaces */
-		while (*cp && *cp != ' ' && *cp != '\t')
-			cp++;
-	}
-}
-
-#ifdef RESOLVSORT
-/* XXX - should really support CIDR which means explicit masks always. */
-static u_int32_t
-net_mask(in)		/*!< XXX - should really use system's version of this  */
-	struct in_addr in;
-{
-	register u_int32_t i = ntohl(in.s_addr);
-
-	if (IN_CLASSA(i))
-		return (htonl(IN_CLASSA_NET));
-	else if (IN_CLASSB(i))
-		return (htonl(IN_CLASSB_NET));
-	return (htonl(IN_CLASSC_NET));
-}
-#endif
-
-u_int
-res_randomid(void) {
-	struct timeval now;
-
-	gettimeofday(&now, NULL);
-	return (0xffff & (now.tv_sec ^ now.tv_usec ^ getpid()));
-}
-
-/*%
- * This routine is for closing the socket if a virtual circuit is used and
- * the program wants to close it.  This provides support for endhostent()
- * which expects to close the socket.
- *
- * This routine is not expected to be user visible.
- */
-void
-res_nclose(res_state statp) {
-	int ns;
-
-	if (statp->_vcsock >= 0) { 
-		(void) close(statp->_vcsock);
-		statp->_vcsock = -1;
-		statp->_flags &= ~(RES_F_VC | RES_F_CONN);
-	}
-	for (ns = 0; ns < statp->_u._ext.nscount; ns++) {
-		if (statp->_u._ext.nssocks[ns] != -1) {
-			(void) close(statp->_u._ext.nssocks[ns]);
-			statp->_u._ext.nssocks[ns] = -1;
-		}
-	}
-}
-
-void
-res_ndestroy(res_state statp) {
-	res_nclose(statp);
-	if (statp->_u._ext.ext != NULL)
-		free(statp->_u._ext.ext);
-	statp->options &= ~RES_INIT;
-	statp->_u._ext.ext = NULL;
-}
-
-const char *
-res_get_nibblesuffix(res_state statp) {
-	if (statp->_u._ext.ext)
-		return (statp->_u._ext.ext->nsuffix);
-	return ("ip6.arpa");
-}
-
-const char *
-res_get_nibblesuffix2(res_state statp) {
-	if (statp->_u._ext.ext)
-		return (statp->_u._ext.ext->nsuffix2);
-	return ("ip6.int");
-}
-
-void
-res_setservers(res_state statp, const union res_sockaddr_union *set, int cnt) {
-	int i, nserv;
-	size_t size;
-
-	/* close open servers */
-	res_nclose(statp);
-
-	/* cause rtt times to be forgotten */
-	statp->_u._ext.nscount = 0;
-
-	nserv = 0;
-	for (i = 0; i < cnt && nserv < MAXNS; i++) {
-		switch (set->sin.sin_family) {
-		case AF_INET:
-			size = sizeof(set->sin);
-			if (statp->_u._ext.ext)
-				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],
-					&set->sin, size);
-			if (size <= sizeof(statp->nsaddr_list[nserv]))
-				memcpy(&statp->nsaddr_list[nserv],
-					&set->sin, size);
-			else
-				statp->nsaddr_list[nserv].sin_family = 0;
-			nserv++;
-			break;
-
-#ifdef HAS_INET6_STRUCTS
-		case AF_INET6:
-			size = sizeof(set->sin6);
-			if (statp->_u._ext.ext)
-				memcpy(&statp->_u._ext.ext->nsaddrs[nserv],
-					&set->sin6, size);
-			if (size <= sizeof(statp->nsaddr_list[nserv]))
-				memcpy(&statp->nsaddr_list[nserv],
-					&set->sin6, size);
-			else
-				statp->nsaddr_list[nserv].sin_family = 0;
-			nserv++;
-			break;
-#endif
-
-		default:
-			break;
-		}
-		set++;
-	}
-	statp->nscount = nserv;
-	
-}
-
-int
-res_getservers(res_state statp, union res_sockaddr_union *set, int cnt) {
-	int i;
-	size_t size;
-	u_int16_t family;
-
-	for (i = 0; i < statp->nscount && i < cnt; i++) {
-		if (statp->_u._ext.ext)
-			family = statp->_u._ext.ext->nsaddrs[i].sin.sin_family;
-		else 
-			family = statp->nsaddr_list[i].sin_family;
-
-		switch (family) {
-		case AF_INET:
-			size = sizeof(set->sin);
-			if (statp->_u._ext.ext)
-				memcpy(&set->sin,
-				       &statp->_u._ext.ext->nsaddrs[i],
-				       size);
-			else
-				memcpy(&set->sin, &statp->nsaddr_list[i],
-				       size);
-			break;
-
-#ifdef HAS_INET6_STRUCTS
-		case AF_INET6:
-			size = sizeof(set->sin6);
-			if (statp->_u._ext.ext)
-				memcpy(&set->sin6,
-				       &statp->_u._ext.ext->nsaddrs[i],
-				       size);
-			else
-				memcpy(&set->sin6, &statp->nsaddr_list[i],
-				       size);
-			break;
-#endif
-
-		default:
-			set->sin.sin_family = 0;
-			break;
-		}
-		set++;
-	}
-	return (statp->nscount);
-}
-
-/*! \file */