genericopenlibs/openenvcore/libc/src/getnameinfo_private.cpp
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/openenvcore/libc/src/getnameinfo_private.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,118 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Name        : getnameinfo_private.CPP
+// Part of     : LIBC
+// Contains the source for the implemantation of part of getnameinfo API
+// Version     : 
+//
+
+
+
+#include <e32std.h>
+#include <wchar.h>
+#include <_ansi.h>
+#include "sysif.h"
+#include "fdesc.h"
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/errno.h>
+#include "lposix.h"
+#include "sysreent.h"
+#include <sys/socket.h>
+#include <stdapis/netinet/in.h>
+#include "netdb_r.h"
+#include <string.h>
+#include <es_sock.h>
+#include <string.h>
+#include "getnameinfo_private.h" 
+#include <stdapis/arpa/inet.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct hostent* gethostaddrdetails(const void *src, int len, int af, int *errp,const char *addr)
+{
+char hostbuf[100];
+#ifdef INET6
+	struct in6_addr addrbuf;
+#else
+	struct in_addr addrbuf;
+#endif
+
+	*errp = HOST_NOT_FOUND;
+
+	switch (af) 
+		{
+	case AF_INET:
+		if (len != sizeof(struct in_addr)) 
+			{
+			*errp = NO_RECOVERY;
+			return NULL;
+			}
+		if ((long)src & ~(sizeof(struct in_addr) - 1)) 
+			{
+			memcpy(&addrbuf, src, len);
+			src = &addrbuf;
+			}
+		if (((struct in_addr *)src)->s_addr == 0)
+			return NULL;
+		break;
+#ifdef INET6
+	case AF_INET6:
+		if (len != sizeof(struct in6_addr)) 
+			{
+			*errp = NO_RECOVERY;
+			return NULL;
+			}
+		if ((long)src & ~(sizeof(struct in6_addr) / 2 - 1)) 
+			{	/*XXX*/
+			memcpy(&addrbuf, src, len);
+			src = &addrbuf;
+			}
+		if (IN6_IS_ADDR_UNSPECIFIED((struct in6_addr *)src))
+			return NULL;
+		if (IN6_IS_ADDR_V4MAPPED((struct in6_addr *)src)
+		||  IN6_IS_ADDR_V4COMPAT((struct in6_addr *)src)) 
+			{
+			src = (char *)src +
+			    (sizeof(struct in6_addr) - sizeof(struct in_addr));
+			af = AF_INET;
+			len = sizeof(struct in_addr);
+			}
+		break;
+#endif
+	default:
+		*errp = NO_RECOVERY;
+		return NULL;
+		}
+
+        unsigned long  test_addr;
+        if (inet_ntop(af, addr, hostbuf, sizeof(hostbuf)) != 0) 
+        test_addr=inet_addr(hostbuf);
+        
+       if (af == AF_INET6)
+       {
+       	       return(gethostbyaddr((const char *)&addrbuf,sizeof(addrbuf),af));
+       }
+       else
+       return(gethostbyaddr((const char *)(&test_addr),sizeof(test_addr),af));
+        
+        
+     }
+
+#ifdef __cplusplus
+}
+#endif