X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/410390cf09515a64f49fbe3e47a9c111a2a0d0e3..dfbb5eff442e9bcabd494f0340553fbf49739b25:/src/common/wxcrt.cpp

diff --git a/src/common/wxcrt.cpp b/src/common/wxcrt.cpp
index 3c4c5e0d95..55ad0812a8 100644
--- a/src/common/wxcrt.cpp
+++ b/src/common/wxcrt.cpp
@@ -21,6 +21,7 @@
 #endif
 
 #include "wx/crt.h"
+#include "wx/strconv.h" // wxMBConv::cWC2MB()
 
 #define _ISOC9X_SOURCE 1 // to get vsscanf()
 #define _BSD_SOURCE    1 // to still get strdup()
@@ -28,13 +29,25 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <wchar.h>
 
+#ifdef __SGI__
+    // wide character functions are declared in std namespace under IRIX
+    using namespace std;
+
+    // and this one is only declared if __c99 is defined which is not the case
+    // for C++ builds, so declare it ourselves
+    extern "C" int vswscanf(const wchar_t *, const wchar_t *, va_list);
+#endif
+
+#ifndef __WXPALMOS5__
 #ifndef __WXWINCE__
     #include <time.h>
     #include <locale.h>
 #else
     #include "wx/msw/wince/time.h"
 #endif
+#endif // !__WXPALMOS5__
 
 #ifndef WX_PRECOMP
     #include "wx/string.h"
@@ -43,6 +56,10 @@
     #include "wx/log.h"
 #endif
 
+#ifdef HAVE_LANGINFO_H
+    #include <langinfo.h>
+#endif
+
 #ifdef __WXWINCE__
     // there is no errno.h under CE apparently
     #define wxSET_ERRNO(value)
@@ -57,8 +74,14 @@ namespace std {}
 using namespace std ;
 #endif
 
-#if wxUSE_WCHAR_T
-size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
+#if defined(__DARWIN__)
+    #include "wx/osx/core/cfref.h"
+    #include <CoreFoundation/CFLocale.h>
+    #include "wx/osx/core/cfstring.h"
+    #include <xlocale.h>
+#endif
+
+WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n)
 {
   // assume that we have mbsrtowcs() too if we have wcsrtombs()
 #ifdef HAVE_WCSRTOMBS
@@ -85,13 +108,13 @@ size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
   // support it (the only currently known example being Metrowerks, see
   // wx/crt.h) we don't use its mbstowcs() at all
 #ifdef HAVE_WCSRTOMBS
-  return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
+  return mbsrtowcs(NULL, &psz, 0, &mbstate);
 #else
-  return wxMbstowcs((wchar_t *) NULL, psz, 0);
+  return wxMbstowcs(NULL, psz, 0);
 #endif
 }
 
-size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
+WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
 {
 #ifdef HAVE_WCSRTOMBS
   mbstate_t mbstate;
@@ -112,43 +135,49 @@ size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
   }
 
 #ifdef HAVE_WCSRTOMBS
-  return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
+  return wcsrtombs(NULL, &pwz, 0, &mbstate);
 #else
-  return wxWcstombs((char *) NULL, pwz, 0);
-#endif
-}
-#endif // wxUSE_WCHAR_T
-
-bool WXDLLEXPORT wxOKlibc()
-{
-#if wxUSE_WCHAR_T && defined(__UNIX__) && defined(__GLIBC__) && !defined(__WINE__)
-  // glibc 2.0 uses UTF-8 even when it shouldn't
-  wchar_t res = 0;
-  if ((MB_CUR_MAX == 2) &&
-      (wxMB2WC(&res, "\xdd\xa5", 1) == 1) &&
-      (res==0x765)) {
-    // this is UTF-8 allright, check whether that's what we want
-    char *cur_locale = setlocale(LC_CTYPE, NULL);
-    if ((strlen(cur_locale) < 4) ||
-            (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
-            (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
-      // nope, don't use libc conversion
-      return false;
-    }
-  }
+  return wxWcstombs(NULL, pwz, 0);
 #endif
-  return true;
 }
 
 char* wxSetlocale(int category, const char *locale)
 {
+#ifdef __WXWINCE__
+    // FIXME-CE: there is no setlocale() in CE CRT, use SetThreadLocale()?
+    wxUnusedVar(category);
+    wxUnusedVar(locale);
+
+    return NULL;
+#else // !__WXWINCE__
+#ifdef __WXMAC__
+    char *rv = NULL ;
+    if ( locale != NULL && locale[0] == 0 )
+    {
+        // the attempt to use newlocale(LC_ALL_MASK, "", NULL);
+        // here in order to deduce the language along the environment vars rules
+        // lead to strange crashes later...
+
+        // we have to emulate the behaviour under OS X
+        wxCFRef<CFLocaleRef> userLocaleRef(CFLocaleCopyCurrent());
+        wxCFStringRef str(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleLanguageCode)));
+        wxString langFull = str.AsString()+"_";
+        str.reset(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleCountryCode)));
+        langFull += str.AsString();
+        rv = setlocale(category, langFull.c_str());
+    }
+    else
+        rv = setlocale(category, locale);
+#else
     char *rv = setlocale(category, locale);
+#endif
     if ( locale != NULL /* setting locale, not querying */ &&
          rv /* call was successful */ )
     {
         wxUpdateLocaleIsUtf8();
     }
     return rv;
+#endif // __WXWINCE__/!__WXWINCE__
 }
 
 // ============================================================================
@@ -234,34 +263,19 @@ int /* not wint_t */ wxCRT_FputcW(wchar_t wc, FILE *stream)
 // TODO: implement the scanf() functions
 static int vwscanf(const wchar_t *format, va_list argptr)
 {
-    wxFAIL_MSG( _T("TODO") );
+    wxFAIL_MSG( wxT("TODO") );
 
     return -1;
 }
 
-static int vswscanf(const wchar_t *ws, const wchar_t *format, va_list argptr)
-{
-    // The best we can do without proper Unicode support in glibc is to
-    // convert the strings into MB representation and run ANSI version
-    // of the function. This doesn't work with %c and %s because of difference
-    // in size of char and wchar_t, though.
-
-    wxCHECK_MSG( wxStrstr(format, _T("%s")) == NULL, -1,
-                 _T("incomplete vswscanf implementation doesn't allow %s") );
-    wxCHECK_MSG( wxStrstr(format, _T("%c")) == NULL, -1,
-                 _T("incomplete vswscanf implementation doesn't allow %c") );
-
-    return vsscanf(wxConvLibc.cWX2MB(ws), wxConvLibc.cWX2MB(format), argptr);
-}
-
 static int vfwscanf(FILE *stream, const wchar_t *format, va_list argptr)
 {
-    wxFAIL_MSG( _T("TODO") );
+    wxFAIL_MSG( wxT("TODO") );
 
     return -1;
 }
 
-#define vswprintf wxCRT_VsnprintfW_
+#define vswprintf wxCRT_VsnprintfW
 
 static int vfwprintf(FILE *stream, const wchar_t *format, va_list argptr)
 {
@@ -285,220 +299,21 @@ static int vwprintf(const wchar_t *format, va_list argptr)
 
 #endif // wxNEED_WPRINTF
 
-#ifdef wxNEED_PRINTF_CONVERSION
-
-// ----------------------------------------------------------------------------
-// wxFormatConverter: class doing the "%s" -> "%ls" conversion
-// ----------------------------------------------------------------------------
-
-/*
-   Here are the gory details. We want to follow the Windows/MS conventions,
-   that is to have
-
-   In ANSI mode:
-
-   format specifier         results in
-   -----------------------------------
-   %c, %hc, %hC             char
-   %lc, %C, %lC             wchar_t
-
-   In Unicode mode:
-
-   format specifier         results in
-   -----------------------------------
-   %hc, %C, %hC             char
-   %c, %lc, %lC             wchar_t
-
-
-   while on POSIX systems we have %C identical to %lc and %c always means char
-   (in any mode) while %lc always means wchar_t,
-
-   So to use native functions in order to get our semantics we must do the
-   following translations in Unicode mode (nothing to do in ANSI mode):
-
-   wxWidgets specifier      POSIX specifier
-   ----------------------------------------
-
-   %hc, %C, %hC             %c
-   %c                       %lc
-
-
-   And, of course, the same should be done for %s as well.
-*/
-
-class wxFormatConverter
-{
-public:
-    wxFormatConverter(const wchar_t *format);
-
-    // notice that we only translated the string if m_fmtOrig == NULL (as set
-    // by CopyAllBefore()), otherwise we should simply use the original format
-    operator const wchar_t *() const
-        { return m_fmtOrig ? m_fmtOrig : m_fmt.c_str(); }
-
-private:
-    // copy another character to the translated format: this function does the
-    // copy if we are translating but doesn't do anything at all if we don't,
-    // so we don't create the translated format string at all unless we really
-    // need to (i.e. InsertFmtChar() is called)
-    wchar_t CopyFmtChar(wchar_t ch)
-    {
-        if ( !m_fmtOrig )
-        {
-            // we're translating, do copy
-            m_fmt += ch;
-        }
-        else
-        {
-            // simply increase the count which should be copied by
-            // CopyAllBefore() later if needed
-            m_nCopied++;
-        }
-
-        return ch;
-    }
-
-    // insert an extra character
-    void InsertFmtChar(wchar_t ch)
-    {
-        if ( m_fmtOrig )
-        {
-            // so far we haven't translated anything yet
-            CopyAllBefore();
-        }
-
-        m_fmt += ch;
-    }
-
-    void CopyAllBefore()
-    {
-        wxASSERT_MSG( m_fmtOrig && m_fmt.empty(), _T("logic error") );
-
-        m_fmt = wxString(m_fmtOrig, m_nCopied);
-
-        // we won't need it any longer
-        m_fmtOrig = NULL;
-    }
-
-    static bool IsFlagChar(wchar_t ch)
-    {
-        return ch == _T('-') || ch == _T('+') ||
-               ch == _T('0') || ch == _T(' ') || ch == _T('#');
-    }
-
-    void SkipDigits(const wchar_t **ptpc)
-    {
-        while ( **ptpc >= _T('0') && **ptpc <= _T('9') )
-            CopyFmtChar(*(*ptpc)++);
-    }
-
-    // the translated format
-    wxString m_fmt;
-
-    // the original format
-    const wchar_t *m_fmtOrig;
-
-    // the number of characters already copied
-    size_t m_nCopied;
-};
-
-wxFormatConverter::wxFormatConverter(const wchar_t *format)
+#ifdef wxNEED_VSWSCANF
+static int vswscanf(const wchar_t *ws, const wchar_t *format, va_list argptr)
 {
-    m_fmtOrig = format;
-    m_nCopied = 0;
-
-    while ( *format )
-    {
-        if ( CopyFmtChar(*format++) == _T('%') )
-        {
-            // skip any flags
-            while ( IsFlagChar(*format) )
-                CopyFmtChar(*format++);
-
-            // and possible width
-            if ( *format == _T('*') )
-                CopyFmtChar(*format++);
-            else
-                SkipDigits(&format);
-
-            // precision?
-            if ( *format == _T('.') )
-            {
-                CopyFmtChar(*format++);
-                if ( *format == _T('*') )
-                    CopyFmtChar(*format++);
-                else
-                    SkipDigits(&format);
-            }
-
-            // next we can have a size modifier
-            enum
-            {
-                Default,
-                Short,
-                Long
-            } size;
-
-            switch ( *format )
-            {
-                case _T('h'):
-                    size = Short;
-                    format++;
-                    break;
-
-                case _T('l'):
-                    // "ll" has a different meaning!
-                    if ( format[1] != _T('l') )
-                    {
-                        size = Long;
-                        format++;
-                        break;
-                    }
-                    //else: fall through
-
-                default:
-                    size = Default;
-            }
-
-            // and finally we should have the type
-            switch ( *format )
-            {
-                case _T('C'):
-                case _T('S'):
-                    // %C and %hC -> %c and %lC -> %lc
-                    if ( size == Long )
-                        CopyFmtChar(_T('l'));
-
-                    InsertFmtChar(*format++ == _T('C') ? _T('c') : _T('s'));
-                    break;
-
-                case _T('c'):
-                case _T('s'):
-                    // %c -> %lc but %hc stays %hc and %lc is still %lc
-                    if ( size == Default)
-                        InsertFmtChar(_T('l'));
-                    // fall through
-
-                default:
-                    // nothing special to do
-                    if ( size != Default )
-                        CopyFmtChar(*(format - 1));
-                    CopyFmtChar(*format++);
-            }
-        }
-    }
-}
+    // The best we can do without proper Unicode support in glibc is to
+    // convert the strings into MB representation and run ANSI version
+    // of the function. This doesn't work with %c and %s because of difference
+    // in size of char and wchar_t, though.
 
-#else // !wxNEED_PRINTF_CONVERSION
-    // no conversion necessary
-    #define wxFormatConverter(x) (x)
-#endif // wxNEED_PRINTF_CONVERSION/!wxNEED_PRINTF_CONVERSION
+    wxCHECK_MSG( wxStrstr(format, wxT("%s")) == NULL, -1,
+                 wxT("incomplete vswscanf implementation doesn't allow %s") );
+    wxCHECK_MSG( wxStrstr(format, wxT("%c")) == NULL, -1,
+                 wxT("incomplete vswscanf implementation doesn't allow %c") );
 
-#ifdef __WXDEBUG__
-// For testing the format converter
-wxString wxConvertFormat(const wchar_t *format)
-{
-    return wxString(wxFormatConverter(format));
+    return vsscanf(static_cast<const char*>(wxConvLibc.cWX2MB(ws)),
+        wxConvLibc.cWX2MB(format), argptr);
 }
 #endif
 
@@ -517,7 +332,7 @@ int wxCRT_PrintfW( const wchar_t *format, ... )
     va_list argptr;
     va_start(argptr, format);
 
-    int ret = vwprintf( wxFormatConverter(format), argptr );
+    int ret = vwprintf( format, argptr );
 
     va_end(argptr);
 
@@ -531,7 +346,7 @@ int wxCRT_FprintfW( FILE *stream, const wchar_t *format, ... )
     va_list argptr;
     va_start( argptr, format );
 
-    int ret = vfwprintf( stream, wxFormatConverter(format), argptr );
+    int ret = vfwprintf( stream, format, argptr );
 
     va_end(argptr);
 
@@ -542,48 +357,22 @@ int wxCRT_FprintfW( FILE *stream, const wchar_t *format, ... )
 #ifndef wxCRT_VfprintfW
 int wxCRT_VfprintfW( FILE *stream, const wchar_t *format, va_list argptr )
 {
-    return vfwprintf( stream, wxFormatConverter(format), argptr );
+    return vfwprintf( stream, format, argptr );
 }
 #endif
 
 #ifndef wxCRT_VprintfW
 int wxCRT_VprintfW( const wchar_t *format, va_list argptr )
 {
-    return vwprintf( wxFormatConverter(format), argptr );
+    return vwprintf( format, argptr );
 }
 #endif
 
-#ifndef wxCRT_VsnprintfW
-int wxCRT_VsnprintfW(wchar_t *str, size_t size, const wchar_t *format, va_list argptr )
-{
-    return vswprintf( str, size, wxFormatConverter(format), argptr );
-}
-#endif // !wxCRT_VsnprintfW
-
-// FIXME-UTF8: we only implement widechar version of vsnprintf() in wxprint.cpp,
-//             so this one has to convert the data for now
-#ifndef wxCRT_VsnprintfA
-int wxCRT_VsnprintfA(char *buf, size_t len, const char *format, va_list argptr)
-{
-    wxWCharBuffer wbuf(len);
-    int rt = wxCRT_VsnprintfW(wbuf.data(), len,
-                              (const wchar_t*)wxConvLibc.cMB2WC(format),
-                              argptr);
-    if ( rt < 0 || rt >= (int)len )
-        return rt;
-
-    if ( wxConvLibc.FromWChar(buf, len, wbuf) == wxCONV_FAILED )
-        return -1;
-
-    return rt;
-}
-#endif // !wxCRT_VsnprintfA
-
 #ifndef wxCRT_VsprintfW
 int wxCRT_VsprintfW( wchar_t *str, const wchar_t *format, va_list argptr )
 {
     // same as for wxSprintf()
-    return vswprintf(str, INT_MAX / 4, wxFormatConverter(format), argptr);
+    return vswprintf(str, INT_MAX / 4, format, argptr);
 }
 #endif
 
@@ -595,14 +384,14 @@ int wxCRT_ScanfW(const wchar_t *format, ...)
 
 #ifdef __VMS
 #if (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD )
-   int ret = std::vwscanf(wxFormatConverter(format), argptr);
+   int ret = std::vwscanf(format, argptr);
 #else
-   int ret = vwscanf(wxFormatConverter(format), argptr);
+   int ret = vwscanf(format, argptr);
 #endif
 #else
-   int ret = vwscanf(wxFormatConverter(format), argptr);
+   int ret = vwscanf(format, argptr);
 #endif
-   
+
     va_end(argptr);
 
     return ret;
@@ -617,12 +406,12 @@ int wxCRT_SscanfW(const wchar_t *str, const wchar_t *format, ...)
 
 #ifdef __VMS
 #if (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD )
-   int ret = std::vswscanf(str, wxFormatConverter(format), argptr);
+   int ret = std::vswscanf(str, format, argptr);
 #else
-   int ret = vswscanf(str, wxFormatConverter(format), argptr);
+   int ret = vswscanf(str, format, argptr);
 #endif
 #else
-   int ret = vswscanf(str, wxFormatConverter(format), argptr);
+   int ret = vswscanf(str, format, argptr);
 #endif
 
     va_end(argptr);
@@ -638,12 +427,12 @@ int wxCRT_FscanfW(FILE *stream, const wchar_t *format, ...)
     va_start(argptr, format);
 #ifdef __VMS
 #if (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD )
-   int ret = std::vfwscanf(stream, wxFormatConverter(format), argptr);
+   int ret = std::vfwscanf(stream, format, argptr);
 #else
-   int ret = vfwscanf(stream, wxFormatConverter(format), argptr);
+   int ret = vfwscanf(stream, format, argptr);
 #endif
 #else
-   int ret = vfwscanf(stream, wxFormatConverter(format), argptr);
+   int ret = vfwscanf(stream, format, argptr);
 #endif
 
     va_end(argptr);
@@ -657,12 +446,12 @@ int wxCRT_VsscanfW(const wchar_t *str, const wchar_t *format, va_list argptr)
 {
 #ifdef __VMS
 #if (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD )
-   return std::vswscanf(str, wxFormatConverter(format), argptr);
+   return std::vswscanf(str, format, argptr);
 #else
-   return vswscanf(str, wxFormatConverter(format), argptr);
+   return vswscanf(str, format, argptr);
 #endif
 #else
-   return vswscanf(str, wxFormatConverter(format), argptr);
+   return vswscanf(str, format, argptr);
 #endif
 }
 #endif
@@ -791,8 +580,11 @@ int wxDoSnprintfUtf8(wchar_t *str, size_t size, const char *format, ...)
 
 #if wxUSE_UNICODE
 
+namespace
+{
+
 #if !wxUSE_UTF8_LOCALE_ONLY
-static int ConvertStringToBuf(const wxString& s, char *out, size_t outsize)
+int ConvertStringToBuf(const wxString& s, char *out, size_t outsize)
 {
     const wxWX2WCbuf buf = s.wc_str();
 
@@ -805,17 +597,25 @@ static int ConvertStringToBuf(const wxString& s, char *out, size_t outsize)
 #endif // !wxUSE_UTF8_LOCALE_ONLY
 
 #if wxUSE_UNICODE_UTF8
-static int ConvertStringToBuf(const wxString& s, wchar_t *out, size_t outsize)
+int ConvertStringToBuf(const wxString& s, wchar_t *out, size_t outsize)
 {
     const wxWX2WCbuf buf(s.wc_str());
-    size_t len = wxWcslen(buf);
+    size_t len = s.length(); // same as buf length for wchar_t*
     if ( outsize > len )
+    {
         memcpy(out, buf, (len+1) * sizeof(wchar_t));
-    // else: not enough space
+    }
+    else // not enough space
+    {
+        memcpy(out, buf, (outsize-1) * sizeof(wchar_t));
+        out[outsize-1] = 0;
+    }
     return len;
 }
 #endif // wxUSE_UNICODE_UTF8
 
+} // anonymous namespace
+
 template<typename T>
 static size_t PrintfViaString(T *out, size_t outsize,
                               const wxString& format, va_list argptr)
@@ -830,11 +630,11 @@ static size_t PrintfViaString(T *out, size_t outsize,
 int wxVsprintf(char *str, const wxString& format, va_list argptr)
 {
 #if wxUSE_UTF8_LOCALE_ONLY
-    return vsprintf(str, format.wx_str(), argptr);
+    return wxCRT_VsprintfA(str, format.wx_str(), argptr);
 #else
     #if wxUSE_UNICODE_UTF8
     if ( wxLocaleIsUtf8 )
-        return vsprintf(str, format.wx_str(), argptr);
+        return wxCRT_VsprintfA(str, format.wx_str(), argptr);
     else
     #endif
     #if wxUSE_UNICODE
@@ -849,7 +649,20 @@ int wxVsprintf(char *str, const wxString& format, va_list argptr)
 int wxVsprintf(wchar_t *str, const wxString& format, va_list argptr)
 {
 #if wxUSE_UNICODE_WCHAR
+#ifdef __DMC__
+/*
+This fails with a bug similar to
+http://www.digitalmars.com/pnews/read.php?server=news.digitalmars.com&group=c++.beta&artnum=680
+in DMC 8.49 and 8.50
+I don't see it being used in the wxWidgets sources at present (oct 2007) CE
+*/
+#pragma message ( "warning ::::: wxVsprintf(wchar_t *str, const wxString& format, va_list argptr) not yet implemented" )
+    wxFAIL_MSG( wxT("TODO") );
+
+    return -1;
+#else
     return wxCRT_VsprintfW(str, format.wc_str(), argptr);
+#endif //DMC
 #else // wxUSE_UNICODE_UTF8
     #if !wxUSE_UTF8_LOCALE_ONLY
     if ( !wxLocaleIsUtf8 )
@@ -920,7 +733,6 @@ int wxVsnprintf(wchar_t *str, size_t size, const wxString& format, va_list argpt
 }
 #endif // wxUSE_UNICODE
 
-#if wxUSE_WCHAR_T
 
 // ----------------------------------------------------------------------------
 // ctype.h stuff (currently unused)
@@ -928,7 +740,7 @@ int wxVsnprintf(wchar_t *str, size_t size, const wxString& format, va_list argpt
 
 #ifdef wxNEED_WX_MBSTOWCS
 
-WXDLLEXPORT size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen)
+WXDLLIMPEXP_BASE size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen)
 {
     if (!out)
     {
@@ -950,7 +762,7 @@ WXDLLEXPORT size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen)
     return in - origin;
 }
 
-WXDLLEXPORT size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen)
+WXDLLIMPEXP_BASE size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen)
 {
     if (!out)
     {
@@ -975,14 +787,14 @@ WXDLLEXPORT size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen)
 #endif // wxNEED_WX_MBSTOWCS
 
 #ifndef wxCRT_StrdupA
-WXDLLEXPORT char *wxCRT_StrdupA(const char *s)
+WXDLLIMPEXP_BASE char *wxCRT_StrdupA(const char *s)
 {
     return strcpy((char *)malloc(strlen(s) + 1), s);
 }
 #endif // wxCRT_StrdupA
 
 #ifndef wxCRT_StrdupW
-WXDLLEXPORT wchar_t * wxCRT_StrdupW(const wchar_t *pwz)
+WXDLLIMPEXP_BASE wchar_t * wxCRT_StrdupW(const wchar_t *pwz)
 {
   size_t size = (wxWcslen(pwz) + 1) * sizeof(wchar_t);
   wchar_t *ret = (wchar_t *) malloc(size);
@@ -991,8 +803,44 @@ WXDLLEXPORT wchar_t * wxCRT_StrdupW(const wchar_t *pwz)
 }
 #endif // wxCRT_StrdupW
 
+#ifndef wxWCHAR_T_IS_WXCHAR16
+size_t wxStrlen(const wxChar16 *s )
+{
+    if (!s) return 0;
+    size_t i=0;
+    while (*s!=0) { ++i; ++s; };
+    return i;
+}
+
+wxChar16* wxStrdup(const wxChar16* s)
+{
+  size_t size = (wxStrlen(s) + 1) * sizeof(wxChar16);
+  wxChar16 *ret = (wxChar16*) malloc(size);
+  memcpy(ret, s, size);
+  return ret;
+}
+#endif
+
+#ifndef wxWCHAR_T_IS_WXCHAR32
+size_t wxStrlen(const wxChar32 *s )
+{
+    if (!s) return 0;
+    size_t i=0;
+    while (*s!=0) { ++i; ++s; };
+    return i;
+}
+
+wxChar32* wxStrdup(const wxChar32* s)
+{
+  size_t size = (wxStrlen(s) + 1) * sizeof(wxChar32);
+  wxChar32 *ret = (wxChar32*) malloc(size);
+  memcpy(ret, s, size);
+  return ret;
+}
+#endif
+
 #ifndef wxCRT_StricmpA
-int WXDLLEXPORT wxCRT_StricmpA(const char *psz1, const char *psz2)
+WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2)
 {
   register char c1, c2;
   do {
@@ -1004,7 +852,7 @@ int WXDLLEXPORT wxCRT_StricmpA(const char *psz1, const char *psz2)
 #endif // !defined(wxCRT_StricmpA)
 
 #ifndef wxCRT_StricmpW
-int WXDLLEXPORT wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2)
+WXDLLIMPEXP_BASE int wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2)
 {
   register wchar_t c1, c2;
   do {
@@ -1016,7 +864,7 @@ int WXDLLEXPORT wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2)
 #endif // !defined(wxCRT_StricmpW)
 
 #ifndef wxCRT_StrnicmpA
-int WXDLLEXPORT wxCRT_StrnicmpA(const char *s1, const char *s2, size_t n)
+WXDLLIMPEXP_BASE int wxCRT_StrnicmpA(const char *s1, const char *s2, size_t n)
 {
   // initialize the variables just to suppress stupid gcc warning
   register char c1 = 0, c2 = 0;
@@ -1030,7 +878,7 @@ int WXDLLEXPORT wxCRT_StrnicmpA(const char *s1, const char *s2, size_t n)
 #endif // !defined(wxCRT_StrnicmpA)
 
 #ifndef wxCRT_StrnicmpW
-int WXDLLEXPORT wxCRT_StrnicmpW(const wchar_t *s1, const wchar_t *s2, size_t n)
+WXDLLIMPEXP_BASE int wxCRT_StrnicmpW(const wchar_t *s1, const wchar_t *s2, size_t n)
 {
   // initialize the variables just to suppress stupid gcc warning
   register wchar_t c1 = 0, c2 = 0;
@@ -1050,7 +898,7 @@ int WXDLLEXPORT wxCRT_StrnicmpW(const wchar_t *s1, const wchar_t *s2, size_t n)
 // this (and wxCRT_StrncmpW below) are extern "C" because they are needed
 // by regex code, the rest isn't needed, so it's not declared as extern "C"
 #ifndef wxCRT_StrlenW
-extern "C" WXDLLEXPORT size_t wxCRT_StrlenW(const wchar_t *s)
+extern "C" WXDLLIMPEXP_BASE size_t wxCRT_StrlenW(const wchar_t *s)
 {
     size_t n = 0;
     while ( *s++ )
@@ -1065,19 +913,19 @@ extern "C" WXDLLEXPORT size_t wxCRT_StrlenW(const wchar_t *s)
 // ----------------------------------------------------------------------------
 
 #ifndef wxCRT_GetenvW
-wchar_t* WXDLLEXPORT wxCRT_GetenvW(const wchar_t *name)
+WXDLLIMPEXP_BASE wchar_t* wxCRT_GetenvW(const wchar_t *name)
 {
     // NB: buffer returned by getenv() is allowed to be overwritten next
     //     time getenv() is called, so it is OK to use static string
     //     buffer to hold the data.
-    static wxWCharBuffer value((wchar_t*)NULL);
+    static wxWCharBuffer value;
     value = wxConvLibc.cMB2WC(getenv(wxConvLibc.cWC2MB(name)));
     return value.data();
 }
 #endif // !wxCRT_GetenvW
 
 #ifndef wxCRT_StrftimeW
-WXDLLEXPORT size_t
+WXDLLIMPEXP_BASE size_t
 wxCRT_StrftimeW(wchar_t *s, size_t maxsize, const wchar_t *fmt, const struct tm *tm)
 {
     if ( !maxsize )
@@ -1102,8 +950,7 @@ wxCRT_StrftimeW(wchar_t *s, size_t maxsize, const wchar_t *fmt, const struct tm
 }
 #endif // !wxCRT_StrftimeW
 
-#endif // wxUSE_WCHAR_T
-
+#ifdef wxLongLong_t
 template<typename T>
 static wxULongLong_t
 wxCRT_StrtoullBase(const T* nptr, T** endptr, int base, T* sign)
@@ -1114,7 +961,7 @@ wxCRT_StrtoullBase(const T* nptr, T** endptr, int base, T* sign)
     wxString::const_iterator end = wxstr.end();
 
     // Skip spaces
-    while ( i != end && wxIsspace(*i) ) i++;
+    while ( i != end && wxIsspace(*i) ) ++i;
 
     // Starts with sign?
     *sign = wxT(' ');
@@ -1124,20 +971,20 @@ wxCRT_StrtoullBase(const T* nptr, T** endptr, int base, T* sign)
         if ( c == wxT('+') || c == wxT('-') )
         {
             *sign = c;
-            i++;
+            ++i;
         }
     }
 
     // Starts with 0x?
     if ( i != end && *i == wxT('0') )
     {
-        i++;
+        ++i;
         if ( i != end )
         {
             if ( *i == wxT('x') && (base == 16 || base == 0) )
             {
                 base = 16;
-                i++;
+                ++i;
             }
             else
             {
@@ -1148,20 +995,20 @@ wxCRT_StrtoullBase(const T* nptr, T** endptr, int base, T* sign)
             }
         }
         else
-            i--;
+            --i;
     }
 
     if ( base == 0 )
         base = 10;
 
-    for ( ; i != end; i++ )
+    for ( ; i != end; ++i )
     {
         unsigned int n;
 
         T c = *i;
-        if ( c >= wxT('0') )
+        if ( c >= '0' )
         {
-            if ( c <= wxT('9') )
+            if ( c <= '9' )
                 n = c - wxT('0');
             else
                 n = wxTolower(c) - wxT('a') + 10;
@@ -1195,7 +1042,7 @@ template<typename T>
 static wxULongLong_t wxCRT_DoStrtoull(const T* nptr, T** endptr, int base)
 {
     T sign;
-    wxULongLong_t uval = wxCRT_StrtoullBase(nptr, endptr, base, &sign);
+    wxULongLong_t uval = ::wxCRT_StrtoullBase(nptr, endptr, base, &sign);
 
     if ( sign == wxT('-') )
     {
@@ -1210,17 +1057,14 @@ template<typename T>
 static wxLongLong_t wxCRT_DoStrtoll(const T* nptr, T** endptr, int base)
 {
     T sign;
-    wxULongLong_t uval = wxCRT_StrtoullBase(nptr, endptr, base, &sign);
+    wxULongLong_t uval = ::wxCRT_StrtoullBase(nptr, endptr, base, &sign);
     wxLongLong_t val = 0;
 
     if ( sign == wxT('-') )
     {
-        if ( uval <= wxULL(wxINT64_MAX+1) )
+        if (uval <= (wxULongLong_t)wxINT64_MAX + 1)
         {
-            if ( uval == wxULL(wxINT64_MAX+1))
-                val = -((wxLongLong_t)wxINT64_MAX) - 1;
-            else
-                val = -((wxLongLong_t)uval);
+            val = -(wxLongLong_t)uval;
         }
         else
         {
@@ -1257,8 +1101,10 @@ wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr, wchar_t** endptr, int base)
     { return wxCRT_DoStrtoull(nptr, endptr, base); }
 #endif
 
+#endif // wxLongLong_t
+
 // ----------------------------------------------------------------------------
-// functions which we may need even if !wxUSE_WCHAR_T
+// strtok() functions
 // ----------------------------------------------------------------------------
 
 template<typename T>
@@ -1274,15 +1120,15 @@ static T *wxCRT_DoStrtok(T *psz, const T *delim, T **save_ptr)
     psz += wxStrspn(psz, delim);
     if (!*psz)
     {
-        *save_ptr = (T *)NULL;
-        return (T *)NULL;
+        *save_ptr = NULL;
+        return NULL;
     }
 
     T *ret = psz;
     psz = wxStrpbrk(psz, delim);
     if (!psz)
     {
-        *save_ptr = (T*)NULL;
+        *save_ptr = NULL;
     }
     else
     {
@@ -1328,31 +1174,6 @@ void *calloc( size_t num, size_t size )
 
 #endif // __WXWINCE__ <= 211
 
-#ifdef __WXWINCE__
-int wxCRT_RemoveW(const wchar_t *path)
-{
-    return ::DeleteFile(path) == 0;
-}
-#endif
-
-#ifndef wxCRT_TmpnamW
-wchar_t *wxCRT_TmpnamW(wchar_t *s)
-{
-    // tmpnam_r() returns NULL if s=NULL, do the same
-    wxCHECK_MSG( s, NULL, "wxTmpnam must be called with a buffer" );
-
-#ifndef L_tmpnam
-    #define L_tmpnam 1024
-#endif
-    wxCharBuffer buf(L_tmpnam);
-    tmpnam(buf.data());
-
-    wxConvLibc.ToWChar(s, L_tmpnam+1, buf.data());
-    return s;
-}
-#endif // !wxCRT_TmpnamW
-
-
 // ============================================================================
 // wxLocaleIsUtf8
 // ============================================================================
@@ -1385,7 +1206,7 @@ static bool wxIsLocaleUtf8()
             return true;
         }
     }
-#endif
+#endif // HAVE_LANGINFO_H
 
     // check if we're running under the "C" locale: it is 7bit subset
     // of UTF-8, so it can be safely used with the UTF-8 build:
@@ -1406,7 +1227,7 @@ void wxUpdateLocaleIsUtf8()
 #if wxUSE_UTF8_LOCALE_ONLY
     if ( !wxIsLocaleUtf8() )
     {
-        wxLogFatalError(_T("This program requires UTF-8 locale to run."));
+        wxLogFatalError(wxT("This program requires UTF-8 locale to run."));
     }
 #else // !wxUSE_UTF8_LOCALE_ONLY
     wxLocaleIsUtf8 = wxIsLocaleUtf8();
@@ -1430,9 +1251,11 @@ void wxUpdateLocaleIsUtf8()
 
 int wxPuts(const wxString& s)
 {
+    // under IRIX putws() takes a non-const argument so use wchar_str() instead
+    // of wc_str()
     CALL_ANSI_OR_UNICODE(return,
                          wxCRT_PutsA(s.mb_str()),
-                         wxCRT_PutsW(s.wc_str()));
+                         wxCRT_PutsW(s.wchar_str()));
 }
 
 int wxFputs(const wxString& s, FILE *stream)
@@ -1453,6 +1276,8 @@ int wxFputc(const wxUniChar& c, FILE *stream)
 #endif
 }
 
+#ifdef wxCRT_PerrorA
+
 void wxPerror(const wxString& s)
 {
 #ifdef wxCRT_PerrorW
@@ -1464,6 +1289,8 @@ void wxPerror(const wxString& s)
 #endif
 }
 
+#endif // wxCRT_PerrorA
+
 wchar_t *wxFgets(wchar_t *s, int size, FILE *stream)
 {
     wxCHECK_MSG( s, NULL, "empty buffer passed to wxFgets()" );
@@ -1485,21 +1312,21 @@ wchar_t *wxFgets(wchar_t *s, int size, FILE *stream)
 // wxScanf() and friends
 // ----------------------------------------------------------------------------
 
-#ifndef __VISUALC__
+#ifdef HAVE_VSSCANF // __VISUALC__ and __DMC__ see wx/crt.h
 int wxVsscanf(const char *str, const char *format, va_list ap)
     { return wxCRT_VsscanfA(str, format, ap); }
 int wxVsscanf(const wchar_t *str, const wchar_t *format, va_list ap)
     { return wxCRT_VsscanfW(str, format, ap); }
 int wxVsscanf(const wxCharBuffer& str, const char *format, va_list ap)
-    { return wxCRT_VsscanfA(str, format, ap); }
+    { return wxCRT_VsscanfA(static_cast<const char*>(str), format, ap); }
 int wxVsscanf(const wxWCharBuffer& str, const wchar_t *format, va_list ap)
     { return wxCRT_VsscanfW(str, format, ap); }
 int wxVsscanf(const wxString& str, const char *format, va_list ap)
-    { return wxCRT_VsscanfA(str.mb_str(), format, ap); }
+    { return wxCRT_VsscanfA(static_cast<const char*>(str.mb_str()), format, ap); }
 int wxVsscanf(const wxString& str, const wchar_t *format, va_list ap)
     { return wxCRT_VsscanfW(str.wc_str(), format, ap); }
 int wxVsscanf(const wxCStrData& str, const char *format, va_list ap)
-    { return wxCRT_VsscanfA(str.AsCharBuf(), format, ap); }
+    { return wxCRT_VsscanfA(static_cast<const char*>(str.AsCharBuf()), format, ap); }
 int wxVsscanf(const wxCStrData& str, const wchar_t *format, va_list ap)
     { return wxCRT_VsscanfW(str.AsWCharBuf(), format, ap); }
-#endif // !__VISUALC__
+#endif // HAVE_NO_VSSCANF