1 files changed, 128 insertions, 0 deletions
diff --git a/mDNSResponder/mDNSWindows/PosixCompat.c b/mDNSResponder/mDNSWindows/PosixCompat.c
new file mode 100755
index 00000000..faabd073
--- /dev/null
+++ b/mDNSResponder/mDNSWindows/PosixCompat.c
@@ -0,0 +1,128 @@
+/* -*- Mode: C; tab-width: 4 -*-
+ *
+ * Copyright (c) 1997-2004 Apple Computer, Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "PosixCompat.h"
+#include <DebugServices.h>
+
+
+typedef PCHAR (WINAPI * if_indextoname_funcptr_t)(ULONG index, PCHAR name);
+typedef ULONG (WINAPI * if_nametoindex_funcptr_t)(PCSTR name);
+
+
+unsigned
+if_nametoindex( const char * ifname )
+{
+	HMODULE library;
+	unsigned index = 0;
+
+	check( ifname );
+
+	// Try and load the IP helper library dll
+	if ((library = LoadLibrary(TEXT("Iphlpapi")) ) != NULL )
+	{
+		if_nametoindex_funcptr_t if_nametoindex_funcptr;
+
+		// On Vista and above there is a Posix like implementation of if_nametoindex
+		if ((if_nametoindex_funcptr = (if_nametoindex_funcptr_t) GetProcAddress(library, "if_nametoindex")) != NULL )
+		{
+			index = if_nametoindex_funcptr(ifname);
+		}
+
+		FreeLibrary(library);
+	}
+
+	return index;
+}
+
+
+char*
+if_indextoname( unsigned ifindex, char * ifname )
+{
+	HMODULE library;
+	char * name = NULL;
+
+	check( ifname );
+	*ifname = '\0';
+
+	// Try and load the IP helper library dll
+	if ((library = LoadLibrary(TEXT("Iphlpapi")) ) != NULL )
+	{
+		if_indextoname_funcptr_t if_indextoname_funcptr;
+
+		// On Vista and above there is a Posix like implementation of if_indextoname
+		if ((if_indextoname_funcptr = (if_indextoname_funcptr_t) GetProcAddress(library, "if_indextoname")) != NULL )
+		{
+			name = if_indextoname_funcptr(ifindex, ifname);
+		}
+
+		FreeLibrary(library);
+	}
+
+	return name;
+}
+
+
+int
+inet_pton( int family, const char * addr, void * dst )
+{
+	struct sockaddr_storage ss;
+	int sslen = sizeof( ss );
+
+	ZeroMemory( &ss, sizeof( ss ) );
+	ss.ss_family = family;
+
+	if ( WSAStringToAddressA( ( LPSTR ) addr, family, NULL, ( struct sockaddr* ) &ss, &sslen ) == 0 )
+	{
+		if ( family == AF_INET ) { memcpy( dst, &( ( struct sockaddr_in* ) &ss)->sin_addr, sizeof( IN_ADDR ) ); return 1; }
+		else if ( family == AF_INET6 ) { memcpy( dst, &( ( struct sockaddr_in6* ) &ss)->sin6_addr, sizeof( IN6_ADDR ) ); return 1; }
+		else return 0;
+	}
+    else return 0;
+}
+
+
+int
+gettimeofday( struct timeval * tv, struct timezone * tz )
+{
+#define EPOCHFILETIME (116444736000000000i64)
+
+	if ( tv != NULL )
+	{
+		FILETIME        ft;
+		LARGE_INTEGER   li;
+		__int64         t;
+
+		GetSystemTimeAsFileTime(&ft);
+		li.LowPart  = ft.dwLowDateTime;
+		li.HighPart = ft.dwHighDateTime;
+		t  = li.QuadPart;	/* In 100-nanosecond intervals */
+		t -= EPOCHFILETIME;	/* Offset to the Epoch time */
+		t /= 10;			/* In microseconds */
+		tv->tv_sec  = ( long )( t / 1000000 );
+		tv->tv_usec = ( long )( t % 1000000 );
+	}
+
+	return 0;
+}
+
+
+extern struct tm*
+localtime_r( const time_t * clock, struct tm * result )
+{
+	localtime_s( result, clock );
+	return result;
+}