Add Socket Libraries.
Add Posix functions for porting compatibility. Fix compliance issues with ISO/IEC 9899:199409 New Functions: setenv(), fparseln(), GetFileNameFromPath(), rename(), realpath(), setprogname(), getprogname(), strlcat(), strlcpy(), strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(), mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(), writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(), bcopy(), git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524
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171
StdLib/BsdSocketLib/getnetbynis.c
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171
StdLib/BsdSocketLib/getnetbynis.c
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/*-
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* Copyright (c) 1994, Garrett Wollman
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)$Id: getnetbynis.c,v 1.1.1.1 2003/11/19 01:51:28 kyu3 Exp $";
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static char rcsid[] = "$Id: getnetbynis.c,v 1.1.1.1 2003/11/19 01:51:28 kyu3 Exp $";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <errno.h>
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#include <string.h>
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#include <arpa/nameser.h>
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#ifdef YP
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#include <rpc/rpc.h>
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#include <rpcsvc/yp_prot.h>
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#include <rpcsvc/ypclnt.h>
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#endif
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#define MAXALIASES 35
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#define MAXADDRS 35
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#ifdef YP
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static char *host_aliases[MAXALIASES];
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#endif /* YP */
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static struct netent *
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_getnetbynis(const char *name, char *map, int af)
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{
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#ifdef YP
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register char *cp, **q;
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static char *result;
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int resultlen;
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static struct netent h;
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static char *domain = (char *)NULL;
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static char ypbuf[YPMAXRECORD + 2];
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switch(af) {
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case AF_INET:
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break;
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default:
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case AF_INET6:
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errno = EAFNOSUPPORT;
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return NULL;
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}
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if (domain == (char *)NULL)
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if (yp_get_default_domain (&domain))
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return (NULL);
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if (yp_match(domain, map, name, strlen(name), &result, &resultlen))
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return (NULL);
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bcopy((char *)result, (char *)&ypbuf, resultlen);
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ypbuf[resultlen] = '\0';
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free(result);
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result = (char *)&ypbuf;
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if ((cp = index(result, '\n')))
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*cp = '\0';
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cp = strpbrk(result, " \t");
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*cp++ = '\0';
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h.n_name = result;
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while (*cp == ' ' || *cp == '\t')
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cp++;
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h.n_net = inet_network(cp);
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h.n_addrtype = AF_INET;
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q = h.n_aliases = host_aliases;
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cp = strpbrk(cp, " \t");
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if (cp != NULL)
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*cp++ = '\0';
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while (cp && *cp) {
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if (*cp == ' ' || *cp == '\t') {
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cp++;
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continue;
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}
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if (q < &host_aliases[MAXALIASES - 1])
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*q++ = cp;
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cp = strpbrk(cp, " \t");
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if (cp != NULL)
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*cp++ = '\0';
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}
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*q = NULL;
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return (&h);
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#else
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return (NULL);
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#endif
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}
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struct netent *
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_getnetbynisname(const char *name)
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{
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return _getnetbynis(name, "networks.byname", AF_INET);
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}
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struct netent *
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_getnetbynisaddr(unsigned long addr, int af)
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{
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char *str, *cp;
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unsigned long net2;
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int nn;
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unsigned int netbr[4];
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char buf[MAXDNAME];
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if (af != AF_INET) {
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errno = EAFNOSUPPORT;
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return (NULL);
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}
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for (nn = 4, net2 = addr; net2; net2 >>= 8) {
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netbr[--nn] = net2 & 0xff;
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}
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switch (nn) {
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case 3: /* Class A */
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sprintf(buf, "%u", netbr[3]);
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break;
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case 2: /* Class B */
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sprintf(buf, "%u.%u", netbr[2], netbr[3]);
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break;
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case 1: /* Class C */
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sprintf(buf, "%u.%u.%u", netbr[1], netbr[2], netbr[3]);
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break;
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case 0: /* Class D - E */
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sprintf(buf, "%u.%u.%u.%u", netbr[0], netbr[1],
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netbr[2], netbr[3]);
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break;
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}
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str = (char *)&buf;
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cp = str + (strlen(str) - 2);
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while(!strcmp(cp, ".0")) {
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*cp = '\0';
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cp = str + (strlen(str) - 2);
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}
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return _getnetbynis(str, "networks.byaddr", af);
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}
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