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

StdLib/BsdSocketLib/getnetnamadr.c

@@ -0,0 +1,186 @@
+/*-
+ * Copyright (c) 1994, Garrett Wollman
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char rcsid[] = "$Id: getnetnamadr.c,v 1.1.1.1 2003/11/19 01:51:28 kyu3 Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <errno.h>
+#include <paths.h>
+#include <string.h>
+
+#include "Socklib_internals.h"
+
+enum service_type {
+  SERVICE_NONE = 0,
+  SERVICE_BIND,
+  SERVICE_TABLE,
+  SERVICE_NIS };
+#define SERVICE_MAX	SERVICE_NIS
+
+static struct {
+  const char *name;
+  enum service_type type;
+} service_names[] = {
+  { "hosts", SERVICE_TABLE },
+  { _PATH_HOSTS, SERVICE_TABLE },
+  { "hosttable", SERVICE_TABLE },
+  { "htable", SERVICE_TABLE },
+  { "bind", SERVICE_BIND },
+  { "dns", SERVICE_BIND },
+  { "domain", SERVICE_BIND },
+  { "yp", SERVICE_NIS },
+  { "yellowpages", SERVICE_NIS },
+  { "nis", SERVICE_NIS },
+  { 0, SERVICE_NONE }
+};
+
+static enum service_type service_order[SERVICE_MAX + 1];
+static int service_done = 0;
+
+static enum service_type
+get_service_name(const char *name) {
+	int i;
+	for(i = 0; service_names[i].type != SERVICE_NONE; i++) {
+		if(!strcasecmp(name, service_names[i].name)) {
+			return service_names[i].type;
+		}
+	}
+	return SERVICE_NONE;
+}
+
+static void
+init_services()
+{
+	char *cp, *p, buf[BUFSIZ];
+	register int cc = 0;
+	FILE *fd;
+
+	if ((fd = (FILE *)fopen(_PATH_NETCONF, "r")) == NULL) {
+				/* make some assumptions */
+		service_order[0] = SERVICE_TABLE;
+		service_order[1] = SERVICE_NONE;
+	} else {
+		while (fgets(buf, BUFSIZ, fd) != NULL && cc < SERVICE_MAX) {
+			if(buf[0] == '#')
+				continue;
+
+			p = buf;
+			while ((cp = strsep(&p, "\n \t,:;")) != NULL && *cp == '\0')
+				;
+			if (cp == NULL)
+				continue;
+			do {
+				if (isalpha(cp[0])) {
+					service_order[cc] = get_service_name(cp);
+					if(service_order[cc] != SERVICE_NONE)
+						cc++;
+				}
+				while ((cp = strsep(&p, "\n \t,:;")) != NULL && *cp == '\0')
+					;
+			} while(cp != NULL && cc < SERVICE_MAX);
+		}
+		service_order[cc] = SERVICE_NONE;
+		fclose(fd);
+	}
+	service_done = 1;
+}
+
+struct netent *
+getnetbyname(const char *name)
+{
+	struct netent *hp = 0;
+	int nserv = 0;
+
+	if (!service_done)
+		init_services();
+
+	while (!hp) {
+		switch (service_order[nserv]) {
+		      case SERVICE_NONE:
+			return NULL;
+		      case SERVICE_TABLE:
+			hp = _getnetbyhtname(name);
+			break;
+		      case SERVICE_BIND:
+			hp = _getnetbydnsname(name);
+			break;
+		      case SERVICE_NIS:
+			hp = _getnetbynisname(name);
+			break;
+		}
+		nserv++;
+	}
+	return hp;
+}
+
+struct netent *
+getnetbyaddr(uint32_t addr, int af)
+{
+	struct netent *hp = 0;
+	int nserv = 0;
+
+	if (!service_done)
+		init_services();
+
+	while (!hp) {
+		switch (service_order[nserv]) {
+		      case SERVICE_NONE:
+			return 0;
+		      case SERVICE_TABLE:
+			hp = _getnetbyhtaddr(addr, af);
+			break;
+		      case SERVICE_BIND:
+			hp = _getnetbydnsaddr(addr, af);
+			break;
+		      case SERVICE_NIS:
+			hp = _getnetbynisaddr(addr, af);
+			break;
+		}
+		nserv++;
+	}
+	return hp;
+}
+
+void
+setnetent(int stayopen)
+{
+	_setnethtent(stayopen);
+	_setnetdnsent(stayopen);
+}
+
+void
+endnetent()
+{
+	_endnethtent();
+	_endnetdnsent();
+}