X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/40711af81b4a412892045837997211d597d98ff2..8ddbb137813bb2452a833c735da951d43238b806:/src/common/strconv.cpp

diff --git a/src/common/strconv.cpp b/src/common/strconv.cpp
index ed4d3d889e..01e0dc358c 100644
--- a/src/common/strconv.cpp
+++ b/src/common/strconv.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        strconv.cpp
+// Name:        src/common/strconv.cpp
 // Purpose:     Unicode conversion classes
 // Author:      Ove Kaaven, Robert Roebling, Vadim Zeitlin, Vaclav Slavik,
 //              Ryan Norton, Fredrik Roubert (UTF7)
@@ -20,10 +20,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-  #pragma implementation "strconv.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -57,10 +53,6 @@
     #define wxHAVE_WIN32_MB2WC
 #endif // __WIN32__ but !__WXMICROWIN__
 
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
 #ifdef __SALFORDC__
     #include <clib.h>
 #endif
@@ -86,39 +78,23 @@
 
 #define TRACE_STRCONV _T("strconv")
 
-// ----------------------------------------------------------------------------
-// macros
-// ----------------------------------------------------------------------------
-
-#define BSWAP_UCS4(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT32_SWAP_ALWAYS(str[_c]); }
-#define BSWAP_UTF16(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT16_SWAP_ALWAYS(str[_c]); }
-
-#if SIZEOF_WCHAR_T == 4
-    #define WC_NAME         "UCS4"
-    #define WC_BSWAP         BSWAP_UCS4
-    #ifdef WORDS_BIGENDIAN
-      #define WC_NAME_BEST  "UCS-4BE"
-    #else
-      #define WC_NAME_BEST  "UCS-4LE"
-    #endif
-#elif SIZEOF_WCHAR_T == 2
-    #define WC_NAME         "UTF16"
-    #define WC_BSWAP         BSWAP_UTF16
+#if SIZEOF_WCHAR_T == 2
     #define WC_UTF16
-    #ifdef WORDS_BIGENDIAN
-      #define WC_NAME_BEST  "UTF-16BE"
-    #else
-      #define WC_NAME_BEST  "UTF-16LE"
-    #endif
-#else // sizeof(wchar_t) != 2 nor 4
-    // does this ever happen?
-    #error "Unknown sizeof(wchar_t): please report this to wx-dev@lists.wxwindows.org"
 #endif
 
 // ============================================================================
 // implementation
 // ============================================================================
 
+// helper function of cMB2WC(): check if n bytes at this location are all NUL
+static bool NotAllNULs(const char *p, size_t n)
+{
+    while ( n && *p++ == '\0' )
+        n--;
+
+    return n != 0;
+}
+
 // ----------------------------------------------------------------------------
 // UTF-16 en/decoding to/from UCS-4
 // ----------------------------------------------------------------------------
@@ -171,178 +147,283 @@ static size_t decode_utf16(const wxUint16* input, wxUint32& output)
 // wxMBConv
 // ----------------------------------------------------------------------------
 
-wxMBConv::~wxMBConv()
+size_t
+wxMBConv::ToWChar(wchar_t *dst, size_t dstLen,
+                  const char *src, size_t srcLen) const
 {
-    // nothing to do here (necessary for Darwin linking probably)
-}
+    // although new conversion classes are supposed to implement this function
+    // directly, the existins ones only implement the old MB2WC() and so, to
+    // avoid to have to rewrite all conversion classes at once, we provide a
+    // default (but not efficient) implementation of this one in terms of the
+    // old function by copying the input to ensure that it's NUL-terminated and
+    // then using MB2WC() to convert it
+
+    // the number of chars [which would be] written to dst [if it were not NULL]
+    size_t dstWritten = 0;
+
+    // the number of NULs terminating this string
+    size_t nulLen wxDUMMY_INITIALIZE(0);
+
+    // if we were not given the input size we just have to assume that the
+    // string is properly terminated as we have no way of knowing how long it
+    // is anyhow, but if we do have the size check whether there are enough
+    // NULs at the end
+    wxCharBuffer bufTmp;
+    const char *srcEnd;
+    if ( srcLen != (size_t)-1 )
+    {
+        // we need to know how to find the end of this string
+        nulLen = GetMBNulLen();
+        if ( nulLen == wxCONV_FAILED )
+            return wxCONV_FAILED;
+
+        // if there are enough NULs we can avoid the copy
+        if ( srcLen < nulLen || NotAllNULs(src + srcLen - nulLen, nulLen) )
+        {
+            // make a copy in order to properly NUL-terminate the string
+            bufTmp = wxCharBuffer(srcLen + nulLen - 1 /* 1 will be added */);
+            char * const p = bufTmp.data();
+            memcpy(p, src, srcLen);
+            for ( char *s = p + srcLen; s < p + srcLen + nulLen; s++ )
+                *s = '\0';
+
+            src = bufTmp;
+        }
 
-const wxWCharBuffer wxMBConv::cMB2WC(const char *psz) const
-{
-    if ( psz )
+        srcEnd = src + srcLen;
+    }
+    else // quit after the first loop iteration
     {
-        // calculate the length of the buffer needed first
-        size_t nLen = MB2WC(NULL, psz, 0);
-        if ( nLen != (size_t)-1 )
+        srcEnd = NULL;
+    }
+
+    for ( ;; )
+    {
+        // try to convert the current chunk
+        size_t lenChunk = MB2WC(NULL, src, 0);
+        if ( lenChunk == 0 )
         {
-            // now do the actual conversion
-            wxWCharBuffer buf(nLen);
-            nLen = MB2WC(buf.data(), psz, nLen + 1); // with the trailing NULL
-            if ( nLen != (size_t)-1 )
-            {
-                return buf;
-            }
+            // nothing left in the input string, conversion succeeded
+            break;
         }
-    }
 
-    wxWCharBuffer buf((wchar_t *)NULL);
+        if ( lenChunk == wxCONV_FAILED )
+            return wxCONV_FAILED;
 
-    return buf;
-}
+        // if we already have a previous chunk, leave the NUL separating it
+        // from this one
+        if ( dstWritten )
+        {
+            dstWritten++;
+            if ( dst )
+                dst++;
+        }
 
-const wxCharBuffer wxMBConv::cWC2MB(const wchar_t *pwz) const
-{
-    if ( pwz )
-    {
-        size_t nLen = WC2MB(NULL, pwz, 0);
-        if ( nLen != (size_t)-1 )
+        dstWritten += lenChunk;
+
+        if ( dst )
         {
-            wxCharBuffer buf(nLen+3);       // space for a wxUint32 trailing zero
-            nLen = WC2MB(buf.data(), pwz, nLen + 4);
-            if ( nLen != (size_t)-1 )
-            {
-                return buf;
-            }
+            if ( dstWritten > dstLen )
+                return wxCONV_FAILED;
+
+            lenChunk = MB2WC(dst, src, lenChunk + 1 /* for NUL */);
+            if ( lenChunk == wxCONV_FAILED )
+                return wxCONV_FAILED;
+
+            dst += lenChunk;
         }
-    }
 
-    wxCharBuffer buf((char *)NULL);
+        if ( !srcEnd )
+        {
+            // we convert the entire string in this cas, as we suppose that the
+            // string is NUL-terminated and so srcEnd is not used at all
+            break;
+        }
 
-    return buf;
-}
+        // advance the input pointer past the end of this chunk
+        while ( NotAllNULs(src, nulLen) )
+        {
+            // notice that we must skip over multiple bytes here as we suppose
+            // that if NUL takes 2 or 4 bytes, then all the other characters do
+            // too and so if advanced by a single byte we might erroneously
+            // detect sequences of NUL bytes in the middle of the input
+            src += nulLen;
+        }
 
-const wxWCharBuffer wxMBConv::cMB2WC(const char *szString, size_t nStringLen, size_t* pOutSize) const
-{
-    wxASSERT(pOutSize != NULL);
+        src += nulLen; // skipping over its terminator as well
 
-    const char* szEnd = szString + nStringLen + 1;
-    const char* szPos = szString;
-    const char* szStart = szPos;
+        // note that ">=" (and not just "==") is needed here as the terminator
+        // we skipped just above could be inside or just after the buffer
+        // delimited by inEnd
+        if ( src >= srcEnd )
+            break;
+    }
 
-    size_t nActualLength = 0;
-    size_t nCurrentSize = nStringLen; //try normal size first (should never resize?)
+    return dstWritten;
+}
 
-    wxWCharBuffer theBuffer(nCurrentSize);
+size_t
+wxMBConv::FromWChar(char *dst, size_t dstLen,
+                    const wchar_t *src, size_t srcLen) const
+{
+    // the number of chars [which would be] written to dst [if it were not NULL]
+    size_t dstWritten = 0;
 
-    //Convert the string until the length() is reached, continuing the
-    //loop every time a null character is reached
-    while(szPos != szEnd)
+    // make a copy of the input string unless it is already properly
+    // NUL-terminated
+    //
+    // if we don't know its length we have no choice but to assume that it is,
+    // indeed, properly terminated
+    wxWCharBuffer bufTmp;
+    if ( srcLen == (size_t)-1 )
     {
-        wxASSERT(szPos < szEnd); //something is _really_ screwed up if this rings true
-
-        //Get the length of the current (sub)string
-        size_t nLen = MB2WC(NULL, szPos, 0);
+        srcLen = wxWcslen(src) + 1;
+    }
+    else if ( srcLen != 0 && src[srcLen - 1] != L'\0' )
+    {
+        // make a copy in order to properly NUL-terminate the string
+        bufTmp = wxWCharBuffer(srcLen);
+        memcpy(bufTmp.data(), src, srcLen*sizeof(wchar_t));
+        src = bufTmp;
+    }
 
-        //Invalid conversion?
-        if( nLen == (size_t)-1 )
-        {
-            *pOutSize = 0;
-            theBuffer.data()[0u] = wxT('\0');
-            return theBuffer;
-        }
+    const size_t lenNul = GetMBNulLen();
+    for ( const wchar_t * const srcEnd = src + srcLen;
+          src < srcEnd;
+          src += wxWcslen(src) + 1 /* skip L'\0' too */ )
+    {
+        // try to convert the current chunk
+        size_t lenChunk = WC2MB(NULL, src, 0);
 
+        if ( lenChunk == wxCONV_FAILED )
+            return wxCONV_FAILED;
 
-        //Increase the actual length (+1 for current null character)
-        nActualLength += nLen + 1;
+        lenChunk += lenNul;
+        dstWritten += lenChunk;
 
-        //if buffer too big, realloc the buffer
-        if (nActualLength > (nCurrentSize+1))
+        if ( dst )
         {
-            wxWCharBuffer theNewBuffer(nCurrentSize << 1);
-            memcpy(theNewBuffer.data(), theBuffer.data(), nCurrentSize * sizeof(wchar_t));
-            theBuffer = theNewBuffer;
-            nCurrentSize <<= 1;
-        }
+            if ( dstWritten > dstLen )
+                return wxCONV_FAILED;
 
-        //Convert the current (sub)string
-        if ( MB2WC(&theBuffer.data()[szPos - szStart], szPos, nLen + 1) == (size_t)-1 )
-        {
-            *pOutSize = 0;
-            theBuffer.data()[0u] = wxT('\0');
-            return theBuffer;
-        }
+            if ( WC2MB(dst, src, lenChunk) == wxCONV_FAILED )
+                return wxCONV_FAILED;
 
-        //Increment to next (sub)string
-        //Note that we have to use strlen instead of nLen here
-        //because XX2XX gives us the size of the output buffer,
-        //which is not necessarily the length of the string
-        szPos += strlen(szPos) + 1;
+            dst += lenChunk;
+        }
     }
 
-    //success - return actual length and the buffer
-    *pOutSize = nActualLength;
-    return theBuffer;
+    return dstWritten;
 }
 
-const wxCharBuffer wxMBConv::cWC2MB(const wchar_t *szString, size_t nStringLen, size_t* pOutSize) const
+size_t wxMBConv::MB2WC(wchar_t *out, const char *in, size_t outLen) const
 {
-    wxASSERT(pOutSize != NULL);
+    size_t rc = ToWChar(out, outLen, in);
+    if ( rc != wxCONV_FAILED )
+    {
+        // ToWChar() returns the buffer length, i.e. including the trailing
+        // NUL, while this method doesn't take it into account
+        rc--;
+    }
 
-    const wchar_t* szEnd = szString + nStringLen + 1;
-    const wchar_t* szPos = szString;
-    const wchar_t* szStart = szPos;
+    return rc;
+}
+
+size_t wxMBConv::WC2MB(char *out, const wchar_t *in, size_t outLen) const
+{
+    size_t rc = FromWChar(out, outLen, in);
+    if ( rc != wxCONV_FAILED )
+    {
+        rc -= GetMBNulLen();
+    }
 
-    size_t nActualLength = 0;
-    size_t nCurrentSize = nStringLen << 2; //try * 4 first
+    return rc;
+}
 
-    wxCharBuffer theBuffer(nCurrentSize);
+wxMBConv::~wxMBConv()
+{
+    // nothing to do here (necessary for Darwin linking probably)
+}
 
-    //Convert the string until the length() is reached, continuing the
-    //loop every time a null character is reached
-    while(szPos != szEnd)
+const wxWCharBuffer wxMBConv::cMB2WC(const char *psz) const
+{
+    if ( psz )
     {
-        wxASSERT(szPos < szEnd); //something is _really_ screwed up if this rings true
+        // calculate the length of the buffer needed first
+        const size_t nLen = MB2WC(NULL, psz, 0);
+        if ( nLen != wxCONV_FAILED )
+        {
+            // now do the actual conversion
+            wxWCharBuffer buf(nLen /* +1 added implicitly */);
 
-        //Get the length of the current (sub)string
-        size_t nLen = WC2MB(NULL, szPos, 0);
+            // +1 for the trailing NULL
+            if ( MB2WC(buf.data(), psz, nLen + 1) != wxCONV_FAILED )
+                return buf;
+        }
+    }
 
-        //Invalid conversion?
-        if( nLen == (size_t)-1 )
+    return wxWCharBuffer();
+}
+
+const wxCharBuffer wxMBConv::cWC2MB(const wchar_t *pwz) const
+{
+    if ( pwz )
+    {
+        const size_t nLen = WC2MB(NULL, pwz, 0);
+        if ( nLen != wxCONV_FAILED )
         {
-            *pOutSize = 0;
-            theBuffer.data()[0u] = wxT('\0');
-            return theBuffer;
+            // extra space for trailing NUL(s)
+            static const size_t extraLen = GetMaxMBNulLen();
+
+            wxCharBuffer buf(nLen + extraLen - 1);
+            if ( WC2MB(buf.data(), pwz, nLen + extraLen) != wxCONV_FAILED )
+                return buf;
         }
+    }
 
-        //Increase the actual length (+1 for current null character)
-        nActualLength += nLen + 1;
+    return wxCharBuffer();
+}
 
-        //if buffer too big, realloc the buffer
-        if (nActualLength > (nCurrentSize+1))
+const wxWCharBuffer
+wxMBConv::cMB2WC(const char *in, size_t inLen, size_t *outLen) const
+{
+    const size_t dstLen = ToWChar(NULL, 0, in, inLen);
+    if ( dstLen != wxCONV_FAILED )
+    {
+        wxWCharBuffer wbuf(dstLen);
+        if ( ToWChar(wbuf.data(), dstLen, in, inLen) )
         {
-            wxCharBuffer theNewBuffer(nCurrentSize << 1);
-            memcpy(theNewBuffer.data(), theBuffer.data(), nCurrentSize);
-            theBuffer = theNewBuffer;
-            nCurrentSize <<= 1;
+            if ( outLen )
+                *outLen = dstLen;
+            return wbuf;
         }
+    }
 
-        //Convert the current (sub)string
-        if(WC2MB(&theBuffer.data()[szPos - szStart], szPos, nLen + 1) == (size_t)-1 )
+    if ( outLen )
+        *outLen = 0;
+
+    return wxWCharBuffer();
+}
+
+const wxCharBuffer
+wxMBConv::cWC2MB(const wchar_t *in, size_t inLen, size_t *outLen) const
+{
+    const size_t dstLen = FromWChar(NULL, 0, in, inLen);
+    if ( dstLen != wxCONV_FAILED )
+    {
+        wxCharBuffer buf(dstLen);
+        if ( FromWChar(buf.data(), dstLen, in, inLen) )
         {
-            *pOutSize = 0;
-            theBuffer.data()[0u] = wxT('\0');
-            return theBuffer;
+            if ( outLen )
+                *outLen = dstLen;
+            return buf;
         }
-
-        //Increment to next (sub)string
-        //Note that we have to use wxWcslen instead of nLen here
-        //because XX2XX gives us the size of the output buffer,
-        //which is not necessarily the length of the string
-        szPos += wxWcslen(szPos) + 1;
     }
 
-    //success - return actual length and the buffer
-    *pOutSize = nActualLength;
-    return theBuffer;
+    if ( outLen )
+        *outLen = 0;
+
+    return wxCharBuffer();
 }
 
 // ----------------------------------------------------------------------------
@@ -359,12 +440,12 @@ size_t wxMBConvLibc::WC2MB(char *buf, const wchar_t *psz, size_t n) const
     return wxWC2MB(buf, psz, n);
 }
 
-#ifdef __UNIX__
-
 // ----------------------------------------------------------------------------
 // wxConvBrokenFileNames
 // ----------------------------------------------------------------------------
 
+#ifdef __UNIX__
+
 wxConvBrokenFileNames::wxConvBrokenFileNames(const wxChar *charset)
 {
     if ( !charset || wxStricmp(charset, _T("UTF-8")) == 0
@@ -374,23 +455,7 @@ wxConvBrokenFileNames::wxConvBrokenFileNames(const wxChar *charset)
         m_conv = new wxCSConv(charset);
 }
 
-size_t
-wxConvBrokenFileNames::MB2WC(wchar_t *outputBuf,
-                             const char *psz,
-                             size_t outputSize) const
-{
-    return m_conv->MB2WC( outputBuf, psz, outputSize );
-}
-
-size_t
-wxConvBrokenFileNames::WC2MB(char *outputBuf,
-                             const wchar_t *psz,
-                             size_t outputSize) const
-{
-    return m_conv->WC2MB( outputBuf, psz, outputSize );
-}
-
-#endif
+#endif // __UNIX__
 
 // ----------------------------------------------------------------------------
 // UTF-7
@@ -441,7 +506,7 @@ size_t wxMBConvUTF7::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {
     size_t len = 0;
 
-    while (*psz && ((!buf) || (len < n)))
+    while ( *psz && (!buf || (len < n)) )
     {
         unsigned char cc = *psz++;
         if (cc != '+')
@@ -459,20 +524,19 @@ size_t wxMBConvUTF7::MB2WC(wchar_t *buf, const char *psz, size_t n) const
             len++;
             psz++;
         }
-        else
+        else // start of BASE64 encoded string
         {
-            // BASE64 encoded string
-            bool lsb;
-            unsigned char c;
+            bool lsb, ok;
             unsigned int d, l;
-            for (lsb = false, d = 0, l = 0;
-                (cc = utf7unb64[(unsigned char)*psz]) != 0xff; psz++)
+            for ( ok = lsb = false, d = 0, l = 0;
+                  (cc = utf7unb64[(unsigned char)*psz]) != 0xff;
+                  psz++ )
             {
                 d <<= 6;
                 d += cc;
                 for (l += 6; l >= 8; lsb = !lsb)
                 {
-                    c = (unsigned char)((d >> (l -= 8)) % 256);
+                    unsigned char c = (unsigned char)((d >> (l -= 8)) % 256);
                     if (lsb)
                     {
                         if (buf)
@@ -480,16 +544,29 @@ size_t wxMBConvUTF7::MB2WC(wchar_t *buf, const char *psz, size_t n) const
                         len ++;
                     }
                     else
+                    {
                         if (buf)
                             *buf = (wchar_t)(c << 8);
+                    }
+
+                    ok = true;
                 }
             }
+
+            if ( !ok )
+            {
+                // in valid UTF7 we should have valid characters after '+'
+                return (size_t)-1;
+            }
+
             if (*psz == '-')
                 psz++;
         }
     }
-    if (buf && (len < n))
-        *buf = 0;
+
+    if ( buf && (len < n) )
+        *buf = '\0';
+
     return len;
 }
 
@@ -530,8 +607,6 @@ static const unsigned char utf7encode[128] =
 
 size_t wxMBConvUTF7::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 {
-
-
     size_t len = 0;
 
     while (*psz && ((!buf) || (len < n)))
@@ -560,7 +635,7 @@ size_t wxMBConvUTF7::WC2MB(char *buf, const wchar_t *psz, size_t n) const
             {
                 // BASE64 encode string
                 unsigned int lsb, d, l;
-                for (d = 0, l = 0;; psz++)
+                for (d = 0, l = 0; /*nothing*/; psz++)
                 {
                     for (lsb = 0; lsb < 2; lsb ++)
                     {
@@ -690,7 +765,7 @@ size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
                     }
 #else // !WC_UTF16
                     if (buf)
-                        *buf++ = res;
+                        *buf++ = (wchar_t)res;
                     len++;
 #endif // WC_UTF16/!WC_UTF16
                 }
@@ -711,7 +786,7 @@ size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
                         len += pa;
 #else
                         if (buf)
-                            *buf++ = wxUnicodePUA + (unsigned char)*opsz;
+                            *buf++ = (wchar_t)(wxUnicodePUA + (unsigned char)*opsz);
                         opsz++;
                         len++;
 #endif
@@ -723,11 +798,11 @@ size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
                     {
                         if ( buf && len + 3 < n )
                         {
-                            unsigned char n = *opsz;
+                            unsigned char on = *opsz;
                             *buf++ = L'\\';
-                            *buf++ = (wchar_t)( L'0' + n / 0100 );
-                            *buf++ = (wchar_t)( L'0' + (n % 0100) / 010 );
-                            *buf++ = (wchar_t)( L'0' + n % 010 );
+                            *buf++ = (wchar_t)( L'0' + on / 0100 );
+                            *buf++ = (wchar_t)( L'0' + (on % 0100) / 010 );
+                            *buf++ = (wchar_t)( L'0' + on % 010 );
                         }
                         opsz++;
                         len += 4;
@@ -883,20 +958,24 @@ size_t wxMBConvUTF16straight::WC2MB(char *buf, const wchar_t *psz, size_t n) con
 // swap 16bit MB to 16bit String
 size_t wxMBConvUTF16swap::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {
-    size_t len=0;
+    size_t len = 0;
 
-    while (*(wxUint16*)psz && (!buf || len < n))
+    // UTF16 string must be terminated by 2 NULs as single NULs may occur
+    // inside the string
+    while ( (psz[0] || psz[1]) && (!buf || len < n) )
     {
-        if (buf)
+        if ( buf )
         {
             ((char *)buf)[0] = psz[1];
             ((char *)buf)[1] = psz[0];
             buf++;
         }
         len++;
-        psz += sizeof(wxUint16);
+        psz += 2;
     }
-    if (buf && len<n)   *buf=0;
+
+    if ( buf && len < n )
+        *buf = L'\0';
 
     return len;
 }
@@ -905,19 +984,21 @@ size_t wxMBConvUTF16swap::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 // swap 16bit MB to 16bit String
 size_t wxMBConvUTF16swap::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 {
-    size_t len=0;
+    size_t len = 0;
 
-    while (*psz && (!buf || len < n))
+    while ( *psz && (!buf || len < n) )
     {
-        if (buf)
+        if ( buf )
         {
             *buf++ = ((char*)psz)[1];
             *buf++ = ((char*)psz)[0];
         }
-        len += sizeof(wxUint16);
+        len += 2;
         psz++;
     }
-    if (buf && len<=n-sizeof(wxUint16))   *(wxUint16*)buf=0;
+
+    if ( buf && len < n )
+        *buf = '\0';
 
     return len;
 }
@@ -939,7 +1020,7 @@ size_t wxMBConvUTF16straight::MB2WC(wchar_t *buf, const char *psz, size_t n) con
             return pa;
 
         if (buf)
-            *buf++ = cc;
+            *buf++ = (wchar_t)cc;
         len++;
         psz += pa * sizeof(wxUint16);
     }
@@ -999,7 +1080,7 @@ size_t wxMBConvUTF16swap::MB2WC(wchar_t *buf, const char *psz, size_t n) const
             return pa;
 
         if (buf)
-            *buf++ = cc;
+            *buf++ = (wchar_t)cc;
 
         len++;
         psz += pa * sizeof(wxUint16);
@@ -1200,7 +1281,7 @@ size_t wxMBConvUTF32straight::MB2WC(wchar_t *buf, const char *psz, size_t n) con
     while (*(wxUint32*)psz && (!buf || len < n))
     {
         if (buf)
-            *buf++ = *(wxUint32*)psz;
+            *buf++ = (wchar_t)(*(wxUint32*)psz);
         len++;
         psz += sizeof(wxUint32);
     }
@@ -1313,6 +1394,19 @@ size_t wxMBConvUTF32swap::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 
 #define ICONV_CHAR_CAST(x)  ((ICONV_CONST char **)(x))
 
+#define ICONV_T_INVALID ((iconv_t)-1)
+
+#if SIZEOF_WCHAR_T == 4
+    #define WC_BSWAP    wxUINT32_SWAP_ALWAYS
+    #define WC_ENC      wxFONTENCODING_UTF32
+#elif SIZEOF_WCHAR_T == 2
+    #define WC_BSWAP    wxUINT16_SWAP_ALWAYS
+    #define WC_ENC      wxFONTENCODING_UTF16
+#else // sizeof(wchar_t) != 2 nor 4
+    // does this ever happen?
+    #error "Unknown sizeof(wchar_t): please report this to wx-dev@lists.wxwindows.org"
+#endif
+
 // ----------------------------------------------------------------------------
 // wxMBConv_iconv: encapsulates an iconv character set
 // ----------------------------------------------------------------------------
@@ -1326,8 +1420,12 @@ public:
     virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
     virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
 
+    // classify this encoding as explained in wxMBConv::GetMBNulLen()
+    // comment
+    virtual size_t GetMBNulLen() const;
+
     bool IsOk() const
-        { return (m2w != (iconv_t)-1) && (w2m != (iconv_t)-1); }
+        { return (m2w != ICONV_T_INVALID) && (w2m != ICONV_T_INVALID); }
 
 protected:
     // the iconv handlers used to translate from multibyte to wide char and in
@@ -1342,11 +1440,15 @@ protected:
 private:
     // the name (for iconv_open()) of a wide char charset -- if none is
     // available on this machine, it will remain NULL
-    static const char *ms_wcCharsetName;
+    static wxString ms_wcCharsetName;
 
     // true if the wide char encoding we use (i.e. ms_wcCharsetName) has
     // different endian-ness than the native one
     static bool ms_wcNeedsSwap;
+
+    // cached result of GetMBNulLen(); set to 0 meaning "unknown"
+    // initially
+    size_t m_minMBCharWidth;
 };
 
 // make the constructor available for unit testing
@@ -1361,106 +1463,160 @@ WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_iconv( const wxChar* name )
     return result;
 }
 
-const char *wxMBConv_iconv::ms_wcCharsetName = NULL;
+wxString wxMBConv_iconv::ms_wcCharsetName;
 bool wxMBConv_iconv::ms_wcNeedsSwap = false;
 
 wxMBConv_iconv::wxMBConv_iconv(const wxChar *name)
 {
+    m_minMBCharWidth = 0;
+
     // iconv operates with chars, not wxChars, but luckily it uses only ASCII
     // names for the charsets
     const wxCharBuffer cname(wxString(name).ToAscii());
 
     // check for charset that represents wchar_t:
-    if (ms_wcCharsetName == NULL)
+    if ( ms_wcCharsetName.empty() )
     {
-        ms_wcNeedsSwap = false;
+        wxLogTrace(TRACE_STRCONV, _T("Looking for wide char codeset:"));
 
-        // try charset with explicit bytesex info (e.g. "UCS-4LE"):
-        ms_wcCharsetName = WC_NAME_BEST;
-        m2w = iconv_open(ms_wcCharsetName, cname);
+#if wxUSE_FONTMAP
+        const wxChar **names = wxFontMapperBase::GetAllEncodingNames(WC_ENC);
+#else // !wxUSE_FONTMAP
+        static const wxChar *names[] =
+        {
+#if SIZEOF_WCHAR_T == 4
+            _T("UCS-4"),
+#elif SIZEOF_WCHAR_T = 2
+            _T("UCS-2"),
+#endif
+            NULL
+        };
+#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
 
-        if (m2w == (iconv_t)-1)
+        for ( ; *names && ms_wcCharsetName.empty(); ++names )
         {
-            // try charset w/o bytesex info (e.g. "UCS4")
-            // and check for bytesex ourselves:
-            ms_wcCharsetName = WC_NAME;
-            m2w = iconv_open(ms_wcCharsetName, cname);
+            const wxString nameCS(*names);
 
-            // last bet, try if it knows WCHAR_T pseudo-charset
-            if (m2w == (iconv_t)-1)
-            {
-                ms_wcCharsetName = "WCHAR_T";
-                m2w = iconv_open(ms_wcCharsetName, cname);
-            }
+            // first try charset with explicit bytesex info (e.g. "UCS-4LE"):
+            wxString nameXE(nameCS);
+            #ifdef WORDS_BIGENDIAN
+                nameXE += _T("BE");
+            #else // little endian
+                nameXE += _T("LE");
+            #endif
+
+            wxLogTrace(TRACE_STRCONV, _T("  trying charset \"%s\""),
+                       nameXE.c_str());
 
-            if (m2w != (iconv_t)-1)
+            m2w = iconv_open(nameXE.ToAscii(), cname);
+            if ( m2w == ICONV_T_INVALID )
             {
-                char    buf[2], *bufPtr;
-                wchar_t wbuf[2], *wbufPtr;
-                size_t  insz, outsz;
-                size_t  res;
-
-                buf[0] = 'A';
-                buf[1] = 0;
-                wbuf[0] = 0;
-                insz = 2;
-                outsz = SIZEOF_WCHAR_T * 2;
-                wbufPtr = wbuf;
-                bufPtr = buf;
-
-                res = iconv(m2w, ICONV_CHAR_CAST(&bufPtr), &insz,
-                            (char**)&wbufPtr, &outsz);
-
-                if (ICONV_FAILED(res, insz))
-                {
-                    ms_wcCharsetName = NULL;
-                    wxLogLastError(wxT("iconv"));
-                    wxLogError(_("Conversion to charset '%s' doesn't work."), name);
-                }
-                else
+                // try charset w/o bytesex info (e.g. "UCS4")
+                wxLogTrace(TRACE_STRCONV, _T("  trying charset \"%s\""),
+                           nameCS.c_str());
+                m2w = iconv_open(nameCS.ToAscii(), cname);
+
+                // and check for bytesex ourselves:
+                if ( m2w != ICONV_T_INVALID )
                 {
-                    ms_wcNeedsSwap = wbuf[0] != (wchar_t)buf[0];
+                    char    buf[2], *bufPtr;
+                    wchar_t wbuf[2], *wbufPtr;
+                    size_t  insz, outsz;
+                    size_t  res;
+
+                    buf[0] = 'A';
+                    buf[1] = 0;
+                    wbuf[0] = 0;
+                    insz = 2;
+                    outsz = SIZEOF_WCHAR_T * 2;
+                    wbufPtr = wbuf;
+                    bufPtr = buf;
+
+                    res = iconv(m2w, ICONV_CHAR_CAST(&bufPtr), &insz,
+                                (char**)&wbufPtr, &outsz);
+
+                    if (ICONV_FAILED(res, insz))
+                    {
+                        wxLogLastError(wxT("iconv"));
+                        wxLogError(_("Conversion to charset '%s' doesn't work."),
+                                   nameCS.c_str());
+                    }
+                    else // ok, can convert to this encoding, remember it
+                    {
+                        ms_wcCharsetName = nameCS;
+                        ms_wcNeedsSwap = wbuf[0] != (wchar_t)buf[0];
+                    }
                 }
             }
-            else
+            else // use charset not requiring byte swapping
             {
-                ms_wcCharsetName = NULL;
-
-                // VS: we must not output an error here, since wxWidgets will safely
-                //     fall back to using wxEncodingConverter.
-                wxLogTrace(TRACE_STRCONV, wxT("Impossible to convert to/from charset '%s' with iconv, falling back to wxEncodingConverter."), name);
+                ms_wcCharsetName = nameXE;
             }
         }
+
         wxLogTrace(TRACE_STRCONV,
-                   wxT("wchar_t charset is '%s', needs swap: %i"),
-                   ms_wcCharsetName ? ms_wcCharsetName : "<none>", ms_wcNeedsSwap);
+                   wxT("iconv wchar_t charset is \"%s\"%s"),
+                   ms_wcCharsetName.empty() ? _T("<none>")
+                                            : ms_wcCharsetName.c_str(),
+                   ms_wcNeedsSwap ? _T(" (needs swap)")
+                                  : _T(""));
     }
     else // we already have ms_wcCharsetName
     {
-        m2w = iconv_open(ms_wcCharsetName, cname);
+        m2w = iconv_open(ms_wcCharsetName.ToAscii(), cname);
     }
 
-    // NB: don't ever pass NULL to iconv_open(), it may crash!
-    if ( ms_wcCharsetName )
+    if ( ms_wcCharsetName.empty() )
     {
-        w2m = iconv_open( cname, ms_wcCharsetName);
+        w2m = ICONV_T_INVALID;
     }
     else
     {
-        w2m = (iconv_t)-1;
+        w2m = iconv_open(cname, ms_wcCharsetName.ToAscii());
+        if ( w2m == ICONV_T_INVALID )
+        {
+            wxLogTrace(TRACE_STRCONV,
+                       wxT("\"%s\" -> \"%s\" works but not the converse!?"),
+                       ms_wcCharsetName.c_str(), cname.data());
+        }
     }
 }
 
 wxMBConv_iconv::~wxMBConv_iconv()
 {
-    if ( m2w != (iconv_t)-1 )
+    if ( m2w != ICONV_T_INVALID )
         iconv_close(m2w);
-    if ( w2m != (iconv_t)-1 )
+    if ( w2m != ICONV_T_INVALID )
         iconv_close(w2m);
 }
 
 size_t wxMBConv_iconv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
 {
+    // find the string length: notice that must be done differently for
+    // NUL-terminated strings and UTF-16/32 which are terminated with 2/4 NULs
+    size_t inbuf;
+    const size_t nulLen = GetMBNulLen();
+    switch ( nulLen )
+    {
+        default:
+            return (size_t)-1;
+
+        case 1:
+            inbuf = strlen(psz); // arguably more optimized than our version
+            break;
+
+        case 2:
+        case 4:
+            // for UTF-16/32 not only we need to have 2/4 consecutive NULs but
+            // they also have to start at character boundary and not span two
+            // adjacent characters
+            const char *p;
+            for ( p = psz; NotAllNULs(p, nulLen); p += nulLen )
+                ;
+            inbuf = p - psz;
+            break;
+    }
+
 #if wxUSE_THREADS
     // NB: iconv() is MT-safe, but each thread must use it's own iconv_t handle.
     //     Unfortunately there is a couple of global wxCSConv objects such as
@@ -1469,9 +1625,9 @@ size_t wxMBConv_iconv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
     //     only a few wx classes would be safe to use from non-main threads
     //     as MB<->WC conversion would fail "randomly".
     wxMutexLocker lock(wxConstCast(this, wxMBConv_iconv)->m_iconvMutex);
-#endif
+#endif // wxUSE_THREADS
+
 
-    size_t inbuf = strlen(psz);
     size_t outbuf = n * SIZEOF_WCHAR_T;
     size_t res, cres;
     // VS: Use these instead of psz, buf because iconv() modifies its arguments:
@@ -1489,12 +1645,11 @@ size_t wxMBConv_iconv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
         if (ms_wcNeedsSwap)
         {
             // convert to native endianness
-            WC_BSWAP(buf /* _not_ bufPtr */, res)
+            for ( unsigned i = 0; i < res; i++ )
+                buf[n] = WC_BSWAP(buf[i]);
         }
 
-        // NB: iconv was given only strlen(psz) characters on input, and so
-        //     it couldn't convert the trailing zero. Let's do it ourselves
-        //     if there's some room left for it in the output buffer.
+        // NUL-terminate the string if there is any space left
         if (res < n)
             buf[res] = 0;
     }
@@ -1533,7 +1688,8 @@ size_t wxMBConv_iconv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
     wxMutexLocker lock(wxConstCast(this, wxMBConv_iconv)->m_iconvMutex);
 #endif
 
-    size_t inbuf = wxWcslen(psz) * SIZEOF_WCHAR_T;
+    size_t inlen = wxWcslen(psz);
+    size_t inbuf = inlen * SIZEOF_WCHAR_T;
     size_t outbuf = n;
     size_t res, cres;
 
@@ -1542,13 +1698,13 @@ size_t wxMBConv_iconv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
     if (ms_wcNeedsSwap)
     {
         // need to copy to temp buffer to switch endianness
-        // this absolutely doesn't rock!
-        // (no, doing WC_BSWAP twice on the original buffer won't help, as it
+        // (doing WC_BSWAP twice on the original buffer won't help, as it
         //  could be in read-only memory, or be accessed in some other thread)
-        tmpbuf=(wchar_t*)malloc((inbuf+1)*SIZEOF_WCHAR_T);
-        memcpy(tmpbuf,psz,(inbuf+1)*SIZEOF_WCHAR_T);
-        WC_BSWAP(tmpbuf, inbuf)
-        psz=tmpbuf;
+        tmpbuf = (wchar_t *)malloc(inbuf + SIZEOF_WCHAR_T);
+        for ( size_t i = 0; i < inlen; i++ )
+            tmpbuf[n] = WC_BSWAP(psz[i]);
+        tmpbuf[inlen] = L'\0';
+        psz = tmpbuf;
     }
 
     if (buf)
@@ -1586,7 +1742,6 @@ size_t wxMBConv_iconv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 
     if (ICONV_FAILED(cres, inbuf))
     {
-        //VS: it is ok if iconv fails, hence trace only
         wxLogTrace(TRACE_STRCONV, wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
         return (size_t)-1;
     }
@@ -1594,6 +1749,36 @@ size_t wxMBConv_iconv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
     return res;
 }
 
+size_t wxMBConv_iconv::GetMBNulLen() const
+{
+    if ( m_minMBCharWidth == 0 )
+    {
+        wxMBConv_iconv * const self = wxConstCast(this, wxMBConv_iconv);
+
+#if wxUSE_THREADS
+        // NB: explained in MB2WC
+        wxMutexLocker lock(self->m_iconvMutex);
+#endif
+
+        wchar_t *wnul = L"";
+        char buf[8]; // should be enough for NUL in any encoding
+        size_t inLen = sizeof(wchar_t),
+               outLen = WXSIZEOF(buf);
+        char *in = (char *)wnul;
+        char *out = buf;
+        if ( iconv(w2m, ICONV_CHAR_CAST(&in), &inLen, &out, &outLen) == (size_t)-1 )
+        {
+            self->m_minMBCharWidth = (size_t)-1;
+        }
+        else // ok
+        {
+            self->m_minMBCharWidth = out - buf;
+        }
+    }
+
+    return m_minMBCharWidth;
+}
+
 #endif // HAVE_ICONV
 
 
@@ -1615,19 +1800,22 @@ public:
     wxMBConv_win32()
     {
         m_CodePage = CP_ACP;
+        m_minMBCharWidth = 0;
     }
 
 #if wxUSE_FONTMAP
     wxMBConv_win32(const wxChar* name)
     {
         m_CodePage = wxCharsetToCodepage(name);
+        m_minMBCharWidth = 0;
     }
 
     wxMBConv_win32(wxFontEncoding encoding)
     {
         m_CodePage = wxEncodingToCodepage(encoding);
+        m_minMBCharWidth = 0;
     }
-#endif
+#endif // wxUSE_FONTMAP
 
     size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
     {
@@ -1644,7 +1832,28 @@ public:
         // own wxMBConvUTF7 doesn't detect errors (e.g. lone "+" which is
         // explicitly ill-formed according to RFC 2152) neither so we don't
         // even have any fallback here...
-        int flags = m_CodePage == CP_UTF7 ? 0 : MB_ERR_INVALID_CHARS;
+        //
+        // Moreover, MB_ERR_INVALID_CHARS is only supported on Win 2K SP4 or
+        // Win XP or newer and if it is specified on older versions, conversion
+        // from CP_UTF8 (which can have flags only 0 or MB_ERR_INVALID_CHARS)
+        // fails. So we can only use the flag on newer Windows versions.
+        // Additionally, the flag is not supported by UTF7, symbol and CJK
+        // encodings. See here:
+        //     http://blogs.msdn.com/michkap/archive/2005/04/19/409566.aspx
+        //     http://msdn.microsoft.com/library/en-us/intl/unicode_17si.asp
+        int flags = 0;
+        if ( m_CodePage != CP_UTF7 && m_CodePage != CP_SYMBOL &&
+             m_CodePage < 50000 &&
+             IsAtLeastWin2kSP4() )
+        {
+            flags = MB_ERR_INVALID_CHARS;
+        }
+        else if ( m_CodePage == CP_UTF8 )
+        {
+            // Avoid round-trip in the special case of UTF-8 by using our
+            // own UTF-8 conversion code:
+            return wxMBConvUTF8().MB2WC(buf, psz, n);
+        }
 
         const size_t len = ::MultiByteToWideChar
                              (
@@ -1655,11 +1864,41 @@ public:
                                 buf,            // output string
                                 buf ? n : 0     // size of output buffer
                              );
+        if ( !len )
+        {
+            // function totally failed
+            return (size_t)-1;
+        }
+
+        // if we were really converting and didn't use MB_ERR_INVALID_CHARS,
+        // check if we succeeded, by doing a double trip:
+        if ( !flags && buf )
+        {
+            const size_t mbLen = strlen(psz);
+            wxCharBuffer mbBuf(mbLen);
+            if ( ::WideCharToMultiByte
+                   (
+                      m_CodePage,
+                      0,
+                      buf,
+                      -1,
+                      mbBuf.data(),
+                      mbLen + 1,        // size in bytes, not length
+                      NULL,
+                      NULL
+                   ) == 0 ||
+                  strcmp(mbBuf, psz) != 0 )
+            {
+                // we didn't obtain the same thing we started from, hence
+                // the conversion was lossy and we consider that it failed
+                return (size_t)-1;
+            }
+        }
 
         // note that it returns count of written chars for buf != NULL and size
         // of the needed buffer for buf == NULL so in either case the length of
         // the string (which never includes the terminating NUL) is one less
-        return len ? len - 1 : (size_t)-1;
+        return len - 1;
     }
 
     size_t WC2MB(char *buf, const wchar_t *pwz, size_t n) const
@@ -1743,6 +1982,44 @@ public:
         return len - 1;
     }
 
+    virtual size_t GetMBNulLen() const
+    {
+        if ( m_minMBCharWidth == 0 )
+        {
+            int len = ::WideCharToMultiByte
+                        (
+                            m_CodePage,     // code page
+                            0,              // no flags
+                            L"",            // input string
+                            1,              // translate just the NUL
+                            NULL,           // output buffer
+                            0,              // and its size
+                            NULL,           // no replacement char
+                            NULL            // [out] don't care if it was used
+                        );
+
+            wxMBConv_win32 * const self = wxConstCast(this, wxMBConv_win32);
+            switch ( len )
+            {
+                default:
+                    wxLogDebug(_T("Unexpected NUL length %d"), len);
+                    // fall through
+
+                case 0:
+                    self->m_minMBCharWidth = (size_t)-1;
+                    break;
+
+                case 1:
+                case 2:
+                case 4:
+                    self->m_minMBCharWidth = len;
+                    break;
+            }
+        }
+
+        return m_minMBCharWidth;
+    }
+
     bool IsOk() const { return m_CodePage != -1; }
 
 private:
@@ -1774,7 +2051,40 @@ private:
         return s_isWin98Or2k == 1;
     }
 
+    static bool IsAtLeastWin2kSP4()
+    {
+#ifdef __WXWINCE__
+        return false;
+#else
+        static int s_isAtLeastWin2kSP4 = -1;
+
+        if ( s_isAtLeastWin2kSP4 == -1 )
+        {
+            OSVERSIONINFOEX ver;
+
+            memset(&ver, 0, sizeof(ver));
+            ver.dwOSVersionInfoSize = sizeof(ver);
+            GetVersionEx((OSVERSIONINFO*)&ver);
+
+            s_isAtLeastWin2kSP4 =
+              ((ver.dwMajorVersion > 5) || // Vista+
+               (ver.dwMajorVersion == 5 && ver.dwMinorVersion > 0) || // XP/2003
+               (ver.dwMajorVersion == 5 && ver.dwMinorVersion == 0 &&
+               ver.wServicePackMajor >= 4)) // 2000 SP4+
+              ? 1 : 0;
+        }
+
+        return s_isAtLeastWin2kSP4 == 1;
+#endif
+    }
+
+
+    // the code page we're working with
     long m_CodePage;
+
+    // cached result of GetMBNulLen(), set to 0 initially meaning
+    // "unknown"
+    size_t m_minMBCharWidth;
 };
 
 #endif // wxHAVE_WIN32_MB2WC
@@ -2408,12 +2718,30 @@ public:
         return inbuf;
     }
 
+    virtual size_t GetMBNulLen() const
+    {
+        switch ( m_enc )
+        {
+            case wxFONTENCODING_UTF16BE:
+            case wxFONTENCODING_UTF16LE:
+                return 2;
+
+            case wxFONTENCODING_UTF32BE:
+            case wxFONTENCODING_UTF32LE:
+                return 4;
+
+            default:
+                return 1;
+        }
+    }
+
     bool IsOk() const { return m_ok; }
 
 public:
     wxFontEncoding m_enc;
     wxEncodingConverter m2w, w2m;
 
+private:
     // were we initialized successfully?
     bool m_ok;
 
@@ -2454,7 +2782,11 @@ wxCSConv::wxCSConv(const wxChar *charset)
         SetName(charset);
     }
 
+#if wxUSE_FONTMAP
+    m_encoding = wxFontMapperBase::GetEncodingFromName(charset);
+#else
     m_encoding = wxFONTENCODING_SYSTEM;
+#endif
 }
 
 wxCSConv::wxCSConv(wxFontEncoding encoding)
@@ -2534,7 +2866,8 @@ wxMBConv *wxCSConv::DoCreate() const
     // check for the special case of ASCII or ISO8859-1 charset: as we have
     // special knowledge of it anyhow, we don't need to create a special
     // conversion object
-    if ( m_encoding == wxFONTENCODING_ISO8859_1 )
+    if ( m_encoding == wxFONTENCODING_ISO8859_1 ||
+            m_encoding == wxFONTENCODING_DEFAULT )
     {
         // don't convert at all
         return NULL;
@@ -2801,6 +3134,18 @@ size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
     return len;
 }
 
+size_t wxCSConv::GetMBNulLen() const
+{
+    CreateConvIfNeeded();
+
+    if ( m_convReal )
+    {
+        return m_convReal->GetMBNulLen();
+    }
+
+    return 1;
+}
+
 // ----------------------------------------------------------------------------
 // globals
 // ----------------------------------------------------------------------------
@@ -2841,5 +3186,3 @@ WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc,
                                 wxConvUTF8;
 
 #endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
-
-