Code and warning cleaning.

[wxWidgets.git] / src / common / strconv.cpp

diff --git a/src/common/strconv.cpp b/src/common/strconv.cpp
index 8597373f546cdbb983cb211cba50d0d34052fe81..ff16d13d00105482188a60e099875734bf205a00 100644 (file)
--- a/src/common/strconv.cpp
+++ b/src/common/strconv.cpp
@@ -40,6 +40,9 @@
 
 #ifdef __WXMSW__
     #include "wx/msw/private.h"
+#endif
+
+#ifdef __WINDOWS__
     #include "wx/msw/missing.h"
 #endif
 
@@ -69,6 +72,7 @@
 
 #include "wx/encconv.h"
 #include "wx/fontmap.h"
+#include "wx/utils.h"
 
 #ifdef __WXMAC__
 #include <ATSUnicode.h>
@@ -177,9 +181,11 @@ const wxWCharBuffer wxMBConv::cMB2WC(const char *psz) const
         {
             // now do the actual conversion
             wxWCharBuffer buf(nLen);
-            MB2WC(buf.data(), psz, nLen + 1); // with the trailing NUL
-
-            return buf;
+            nLen = MB2WC(buf.data(), psz, nLen + 1); // with the trailing NULL
+            if ( nLen != (size_t)-1 )
+            {
+                return buf;
+            }
         }
     }
 
@@ -196,9 +202,11 @@ const wxCharBuffer wxMBConv::cWC2MB(const wchar_t *pwz) const
         if ( nLen != (size_t)-1 )
         {
             wxCharBuffer buf(nLen+3);       // space for a wxUint32 trailing zero
-            WC2MB(buf.data(), pwz, nLen + 4);
-
-            return buf;
+            nLen = WC2MB(buf.data(), pwz, nLen + 4);
+            if ( nLen != (size_t)-1 )
+            {
+                return buf;
+            }
         }
     }
 
@@ -951,7 +959,7 @@ wxMBConv_iconv::wxMBConv_iconv(const wxChar *name)
             {
                 ms_wcCharsetName = NULL;
 
-                // VS: we must not output an error here, since wxWindows will safely
+                // VS: we must not output an error here, since wxWidgets will safely
                 //     fall back to using wxEncodingConverter.
                 wxLogTrace(wxT("strconv"), wxT("Impossible to convert to/from charset '%s' with iconv, falling back to wxEncodingConverter."), name);
                 //wxLogError(
@@ -1113,8 +1121,10 @@ size_t wxMBConv_iconv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
 #ifdef wxHAVE_WIN32_MB2WC
 
 // from utils.cpp
+#if wxUSE_FONTMAP 
 extern WXDLLIMPEXP_BASE long wxCharsetToCodepage(const wxChar *charset);
 extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding);
+#endif
 
 class wxMBConv_win32 : public wxMBConv
 {
@@ -1124,6 +1134,7 @@ public:
         m_CodePage = CP_ACP;
     }
 
+#if wxUSE_FONTMAP
     wxMBConv_win32(const wxChar* name)
     {
         m_CodePage = wxCharsetToCodepage(name);
@@ -1133,6 +1144,7 @@ public:
     {
         m_CodePage = wxEncodingToCodepage(encoding);
     }
+#endif
 
     size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
     {
@@ -1331,13 +1343,16 @@ public:
                }
            ByteCount byteBufferLen = n * sizeof( UniChar ) ; 
 #if SIZEOF_WCHAR_T == 4
-               ubuf = (UniChar*) malloc( byteBufferLen ) ;
+               ubuf = (UniChar*) malloc( byteBufferLen + 2 ) ;
 #else
                ubuf = (UniChar*) (buf ? buf : tbuf) ;
 #endif
            status = TECConvertText(m_MB2WC_converter, (ConstTextPtr) psz , byteInLen, &byteInLen,
              (TextPtr) ubuf , byteBufferLen, &byteOutLen);
 #if SIZEOF_WCHAR_T == 4
+        // we have to terminate here, because n might be larger for the trailing zero, and if UniChar
+        // is not properly terminated we get random characters at the end
+        ubuf[byteOutLen / sizeof( UniChar ) ] = 0 ;
                wxMBConvUTF16BE converter ;
                res = converter.MB2WC( (buf ? buf : tbuf) , (const char*)ubuf , n ) ;
                free( ubuf ) ;
@@ -1594,12 +1609,16 @@ wxMBConv *wxCSConv::DoCreate() const
 
 #ifdef wxHAVE_WIN32_MB2WC
     {
+#if wxUSE_FONTMAP
         wxMBConv_win32 *conv = m_name ? new wxMBConv_win32(m_name)
                                       : new wxMBConv_win32(m_encoding);
         if ( conv->IsOk() )
             return conv;
 
         delete conv;
+#else
+        return NULL;
+#endif
     }
 #endif // wxHAVE_WIN32_MB2WC
 #if defined(__WXMAC__)