mDNSWindows/WinServices.cpp

   1 /* -*- Mode: C; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 1997-2004 Apple Computer, Inc. All rights reserved.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 #include "WinServices.h"
  19 #include <DebugServices.h>
  20
  21
  22 //===========================================================================================================================
  23 //      UTF8StringToStringObject
  24 //===========================================================================================================================
  25
  26 OSStatus        UTF8StringToStringObject( const char *inUTF8, CString &inObject )
  27 {
  28         OSStatus                err;
  29         int                             n;
  30         BSTR                    unicode;
  31
  32         unicode = NULL;
  33
  34         n = MultiByteToWideChar( CP_UTF8, 0, inUTF8, -1, NULL, 0 );
  35         if( n > 0 )
  36         {
  37                 unicode = (BSTR) malloc( (size_t)( n * sizeof( wchar_t ) ) );
  38                 if( !unicode )
  39                 {
  40                         err = ERROR_INSUFFICIENT_BUFFER;
  41                         goto exit;
  42                 }
  43
  44                 n = MultiByteToWideChar( CP_UTF8, 0, inUTF8, -1, unicode, n );
  45                 try
  46                 {
  47                         inObject = unicode;
  48                 }
  49                 catch( ... )
  50                 {
  51                         err = ERROR_NO_UNICODE_TRANSLATION;
  52                         goto exit;
  53                 }
  54         }
  55         else
  56         {
  57                 inObject = "";
  58         }
  59         err = ERROR_SUCCESS;
  60
  61 exit:
  62         if( unicode )
  63         {
  64                 free( unicode );
  65         }
  66         return( err );
  67 }
  68
  69
  70 //===========================================================================================================================
  71 //      UTF8StringToStringObject
  72 //===========================================================================================================================
  73
  74 OSStatus
  75 StringObjectToUTF8String( CString &inObject, char* outUTF8, size_t outUTF8Len )
  76 {
  77     OSStatus err = kNoErr;
  78
  79         memset( outUTF8, 0, outUTF8Len );
  80
  81         if ( inObject.GetLength() > 0 )
  82     {
  83                 size_t size;
  84
  85                 size = (size_t) WideCharToMultiByte( CP_UTF8, 0, inObject.GetBuffer(), inObject.GetLength(), outUTF8, (int) outUTF8Len, NULL, NULL);
  86         err = translate_errno( size != 0, GetLastError(), kUnknownErr );
  87         require_noerr( err, exit );
  88     }
  89
  90 exit:
  91
  92         return err;
  93 }