X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..b6e2eddeaf7e559589ce41ac41e88f9bd71c5a08:/include/wx/wxchar.h

diff --git a/include/wx/wxchar.h b/include/wx/wxchar.h
index 4b7da77b41..c7e516acf3 100644
--- a/include/wx/wxchar.h
+++ b/include/wx/wxchar.h
@@ -1,578 +1,972 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wxchar.h
+// Name:        wx/wxchar.h
 // Purpose:     Declarations common to wx char/wchar_t usage (wide chars)
-// Author:      Joel Farley
-// Modified by:
+// Author:      Joel Farley, Ove Kåven
+// Modified by: Vadim Zeitlin, Robert Roebling
 // Created:     1998/06/12
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows copyright
+// Copyright:   (c) 1998-2002 wxWindows dev team
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_WXCHAR_H_
 #define _WX_WXCHAR_H_
 
-//#ifdef __GNUG__
-//#pragma interface "wxchar.h"
-//#endif
-
-// only do SBCS or _UNICODE
-#if defined (_MBCS )
-#  error "MBCS is not supported by wxChar"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma interface "wxchar.h"
 #endif
 
+// ----------------------------------------------------------------------------
+// first deal with Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
+// and is used by wxWindows, _UNICODE and/or UNICODE may be defined or used by
+// the system headers so bring these settings in sync
+// ----------------------------------------------------------------------------
+
 // set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined
 #if defined(_UNICODE) || defined(UNICODE)
-#  undef wxUSE_UNICODE
-#  define wxUSE_UNICODE 1
+    #undef wxUSE_UNICODE
+    #define wxUSE_UNICODE 1
 #else
-#  ifndef wxUSE_UNICODE
-#    define wxUSE_UNICODE 0
-#  endif
-#endif
+    #ifndef wxUSE_UNICODE
+        #define wxUSE_UNICODE 0
+    #endif
+#endif // Unicode
 
 // and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1...
 #if wxUSE_UNICODE
-#  ifndef _UNICODE
-#    define _UNICODE
-#  endif
-#  ifndef UNICODE
-#    define UNICODE
-#  endif
+    #ifndef _UNICODE
+        #define _UNICODE
+    #endif
+    #ifndef UNICODE
+        #define UNICODE
+    #endif
+#endif // Unicode
+
+// check whether we have wchar_t
+#if !defined(wxUSE_WCHAR_T)
+    #if defined(__WIN16__)
+        // no wchar_t under Win16 regadrless of compiler used
+        #define wxUSE_WCHAR_T 0
+    #elif defined(__UNIX__)
+        #if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
+            #define wxUSE_WCHAR_T 1
+        #else
+            #define wxUSE_WCHAR_T 0
+        #endif
+    #elif defined(__GNUWIN32__) && !defined(__MINGW32__)
+        #define wxUSE_WCHAR_T 0
+    #elif defined(__WATCOMC__)
+        #define wxUSE_WCHAR_T 0
+    #elif defined(__VISAGECPP__) && (__IBMCPP__ < 400)
+        #define wxUSE_WCHAR_T 0
+    #else
+        // add additional compiler checks if this fails
+        #define wxUSE_WCHAR_T 1
+    #endif
+#endif // !defined(wxUSE_WCHAR_T)
+
+// Unicode support requires wchar_t
+#if wxUSE_UNICODE && !wxUSE_WCHAR_T
+    #error "wchar_t must be available in Unicode build"
+#endif // Unicode
+
+// ----------------------------------------------------------------------------
+// standard headers we need here
+//
+// NB: don't include any wxWindows headers here because almost of them include
+//     this one!
+// ----------------------------------------------------------------------------
+
+// Required for wxPrintf() etc
+#include <stdarg.h>
+
+// Almost all compiler have strdup(), but not quite all: CodeWarrior under Mac
+// and VC++ for Windows CE don't provide it
+#if !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
+    // use #define, not inline wrapper, as it is tested with #ifndef below
+    #define wxStrdupA strdup
 #endif
 
-// Windows (VC++) has broad TCHAR support
-#if defined(__VISUALC__) && defined(__WIN32__)
-
-#  define HAVE_WCSLEN 1
-
-#  include <tchar.h>
-
-#  if wxUSE_UNICODE // temporary - preserve binary compatibility
-typedef  _TCHAR      wxChar;
-typedef  _TSCHAR     wxSChar;
-typedef  _TUCHAR     wxUChar;
-#  else
-#    define wxChar char
-#    define wxSChar signed char
-#    define wxUChar unsigned char
-#  endif
-   // wchar_t is available
-#  undef wxUSE_WCHAR_T
-#  define wxUSE_WCHAR_T 1
-
-   // ctype.h functions
-#  define  wxIsalnum   _istalnum
-#  define  wxIsalpha   _istalpha
-#  define  wxIsctrl    _istctrl
-#  define  wxIsdigit   _istdigit
-#  define  wxIsgraph   _istgraph
-#  define  wxIslower   _istlower
-#  define  wxIsprint   _istprint
-#  define  wxIspunct   _istpunct
-#  define  wxIsspace   _istspace
-#  define  wxIsupper   _istupper
-#  define  wxIsxdigit  _istxdigit
-#  define  wxTolower   _totlower
-#  define  wxToupper   _totupper
-
-   // locale.h functons
-#  define  wxSetlocale _tsetlocale
-
-   // string.h functions
-#  define  wxStrcat    _tcscat
-#  define  wxStrchr    _tcschr
-#  define  wxStrcmp    _tcscmp
-#  define  wxStrcoll   _tcscoll
-#  define  wxStrcpy    _tcscpy
-#  define  wxStrcspn   _tcscspn
-#  define  wxStrftime  _tcsftime
-#  define  wxStricmp   _tcsicmp
-#  define  wxStrlen_   _tcslen // used in wxStrlen inline function
-#  define  wxStrncat   _tcsncat
-#  define  wxStrncmp   _tcsncmp
-#  define  wxStrncpy   _tcsncpy
-#  define  wxStrpbrk   _tcspbrk
-#  define  wxStrrchr   _tcsrchr
-#  define  wxStrspn    _tcsspn
-#  define  wxStrstr    _tcsstr
-#  define  wxStrtod    _tcstod
-// is there a _tcstok[_r] ?
-#  define  wxStrtol    _tcstol
-#  define  wxStrtoul   _tcstoul
-#  define  wxStrxfrm   _tcsxfrm
-
-   // stdio.h functions
-#  define  wxFgetc     _fgettc
-#  define  wxFgetchar  _fgettchar
-#  define  wxFgets     _fgetts
-#  define  wxFopen     _tfopen
-#  define  wxFputc     _fputtc
-#  define  wxFputchar  _fputtchar
-#  define  wxFprintf   _ftprintf
-#  define  wxFreopen   _tfreopen
-#  define  wxFscanf    _ftscanf
-#  define  wxGetc      _gettc
-#  define  wxGetchar   _gettchar
-#  define  wxGets      _getts
-#  define  wxPerror    _tperror
-#  define  wxPrintf    _tprintf
-#  define  wxPutc      _puttc
-#  define  wxPutchar   _puttchar
-#  define  wxPuts      _putts
-#  define  wxRemove    _tremove
-#  define  wxRename    _trename
-#  define  wxScanf     _tscanf
-#  define  wxSprintf   _stprintf
-#  define  wxSscanf    _stscanf
-#  define  wxTmpnam    _ttmpnam
-#  define  wxUngetc    _tungetc
-#  define  wxVfprint   _vftprintf
-#  define  wxVprintf   _vtprintf
-#  define  wxVsscanf   _vstscanf
-#  define  wxVsprintf  _vstprintf
-
-   // stdlib.h functions
-#  if !wxUSE_UNICODE
-#    define  wxAtof      atof
-#  endif
-#  define  wxAtoi      _ttoi
-#  define  wxAtol      _ttol
-#  define  wxGetenv    _tgetenv
-#  define  wxSystem    _tsystem
-
-   // time.h functions
-#  define  wxAsctime   _tasctime
-#  define  wxCtime     _tctime
-
-// #elif defined(XXX)
-   // #include XXX-specific files here
-   // typeddef YYY wxChar;
-
-   // translate wxZZZ names
-
-#elif defined(__BORLANDC__) && defined(__WIN32__)
-
-// Borland C++ 4.52 doesn't have much tchar support
-// maybe Borland C++ 5.02 has, can't check right now
-// but I'll use the Win32 API instead here
-
-#  include <tchar.h>
-#  if wxUSE_UNICODE // temporary - preserve binary compatibility
-typedef  _TCHAR      wxChar;
-typedef  _TSCHAR     wxSChar;
-typedef  _TUCHAR     wxUChar;
-#  else
-#    define wxChar char
-#    define wxSChar signed char
-#    define wxUChar unsigned char
-#  endif
-   // wchar_t is available
-#  undef wxUSE_WCHAR_T
-#  define wxUSE_WCHAR_T 1
-
-#  define wxNEED_WX_CTYPE_H
-// #define  wxStrtok    strtok_r // Borland C++ 4.52 doesn't have strtok_r
-#  define wxNEED_WX_STRING_H
-#  define wxNEED_WX_STDIO_H
-#  define wxNEED_WX_STDLIB_H
-#  define wxNEED_WX_TIME_H
-#  define wxNEED_WCSLEN
-
-#else//!TCHAR-aware compilers
-
-// check whether we should include wchar.h or equivalent
-#  if wxUSE_UNICODE
-#    undef wxUSE_WCHAR_T
-#    define wxUSE_WCHAR_T 1 // wchar_t *must* be available in Unicode mode
-#  elif !defined(wxUSE_WCHAR_T)
-#    if defined(__VISUALC__) && (__VISUALC__ < 900)
-#      define wxUSE_WCHAR_T 0 // wchar_t is not available for MSVC++ 1.5
-#    elif defined(__UNIX__)
-#      if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__)
-#        define wxUSE_WCHAR_T 1
-#      else
-#        define wxUSE_WCHAR_T 0
-#      endif
-#    elif defined(__GNUWIN32__) && !defined(__MINGW32__) // Cygwin (not Mingw32) doesn't have wcslen.h, needed in buffer.h
-#      define wxUSE_WCHAR_T 0
-#    elif defined(__BORLANDC__) // WIN16 BC++
-#      define wxUSE_WCHAR_T 0
-#    elif defined(__WATCOMC__)
-#      define wxUSE_WCHAR_T 0
-#    else
-  // add additional compiler checks if this fails
-#      define wxUSE_WCHAR_T 1
-#    endif
-#  endif//wxUSE_UNICODE
-
-#  if wxUSE_WCHAR_T
-#    ifdef HAVE_WCSTR_H
-#      include <wcstr.h>
-#    else
-#      ifndef __FreeBSD__
-#        include <wchar.h>
-#      else
-#        include <stdlib.h>
-#        define wxNEED_WCSLEN
-#      endif
-#    endif
-#  endif
-
-// check whether we are doing Unicode
-#  if wxUSE_UNICODE
-
-#    include <wctype.h>
-
-// this is probably glibc-specific
-#    if defined(__WCHAR_TYPE__)
-
-typedef __WCHAR_TYPE__          wxChar;
-typedef signed __WCHAR_TYPE__   wxSChar;
-typedef unsigned __WCHAR_TYPE__ wxUChar;
-
-#      define _T(x)                   L##x
-
-       // ctype.h functions (wctype.h)
-#      define  wxIsalnum   iswalnum
-#      define  wxIsalpha   iswalpha
-#      define  wxIsctrl    iswcntrl
-#      define  wxIsdigit   iswdigit
-#      define  wxIsgraph   iswgraph
-#      define  wxIslower   iswlower
-#      define  wxIsprint   iswprint
-#      define  wxIspunct   iswpunct
-#      define  wxIsspace   iswspace
-#      define  wxIsupper   iswupper
-#      define  wxIsxdigit  iswxdigit
-
-#      if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
-       // /usr/include/wctype.h incorrectly declares translations tables which
-       // provokes tons of compile-time warnings - try to correct this
-#        define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
-#        define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
-#      else
-#        define  wxTolower   towlower
-#        define  wxToupper   towupper
-#      endif // gcc/!gcc
-
-       // string.h functions (wchar.h)
-#      define  wxStrcat    wcscat
-#      define  wxStrchr    wcschr
-#      define  wxStrcmp    wcscmp
-#      define  wxStrcoll   wcscoll
-#      define  wxStrcpy    wcscpy
-#      define  wxStrcspn   wcscspn
-#      define  wxStrlen_   wcslen // used in wxStrlen inline function
-#      define  wxStrncat   wcsncat
-#      define  wxStrncmp   wcsncmp
-#      define  wxStrncpy   wcsncpy
-#      define  wxStrpbrk   wcspbrk
-#      define  wxStrrchr   wcsrchr
-#      define  wxStrspn    wcsspn
-#      define  wxStrstr    wcsstr
-#      define  wxStrtod    wcstod
-#      define  wxStrtok    wcstok
-#      define  wxStrtol    wcstol
-#      define  wxStrtoul   wcstoul
-#      define  wxStrxfrm   wcsxfrm
-
-// glibc doesn't have wc equivalents of the other stuff
-#      define wxNEED_WX_STDIO_H
-#      define wxNEED_WX_STDLIB_H
-#      define wxNEED_WX_TIME_H
-
-#    else//!glibc
-#      error   "Please define your compiler's Unicode conventions in wxChar.h"
-#    endif
-#  else//!Unicode
-
-#    include <ctype.h>
-#    include <string.h>
-
-#   if 0 // temporary - preserve binary compatibilty
-        typedef char            wxChar;
-        typedef signed char     wxSChar;
-        typedef unsigned char   wxUChar;
-#   else
-#     define wxChar char
-#     define wxSChar signed char
-#     define wxUChar unsigned char
-#   endif
-
-#   ifdef __FreeBSD__
-#     undef _T
-#   endif
-#   define _T(x)           x
-
-     // ctype.h functions
-#   define  wxIsalnum   isalnum
-#   define  wxIsalpha   isalpha
-#   define  wxIsctrl    isctrl
-#   define  wxIsdigit   isdigit
-#   define  wxIsgraph   isgraph
-#   define  wxIslower   islower
-#   define  wxIsprint   isprint
-#   define  wxIspunct   ispunct
-#   define  wxIsspace   isspace
-#   define  wxIsupper   isupper
-#   define  wxIsxdigit  isxdigit
-#   define  wxTolower   tolower
-#   define  wxToupper   toupper
+// non Unix compilers which do have wchar.h (but not tchar.h which is included
+// below and which includes wchar.h anyhow).
+// Actually MinGW has tchar.h, but it does not include wchar.h
+#if defined(__MWERKS__) || defined(__VISAGECPP__) || defined(__MINGW32__)
+    #ifndef HAVE_WCHAR_H
+        #define HAVE_WCHAR_H
+    #endif
+#endif
 
-    // locale.h functons
-#   define  wxSetlocale setlocale
+#if wxUSE_WCHAR_T
+    #ifdef HAVE_WCHAR_H
+        // the current (as of Nov 2002) version of cygwin has a bug in its
+        // wchar.h -- there is no extern "C" around the declarations in it and
+        // this results in linking errors later; also, at least on some
+        // Cygwin versions, wchar.h requires sys/types.h
+        #ifdef __CYGWIN__
+            #include <sys/types.h>
+            extern "C" {
+        #endif // Cygwin
+                #include <wchar.h>
+        #ifdef __CYGWIN__
+            }
+        #endif // Cygwin
+    #elif defined(HAVE_WCSTR_H)
+        // old compilers have relevant declarations here
+        #include <wcstr.h>
+    #elif defined(__FreeBSD__) || defined(__DARWIN__) || defined(__EMX__)
+        // include stdlib.h for wchar_t
+        #include <stdlib.h>
+    #endif // HAVE_WCHAR_H
+#endif // wxUSE_WCHAR_T
+
+// ----------------------------------------------------------------------------
+// define wxHAVE_TCHAR_SUPPORT for the compilers which support the TCHAR type
+// mapped to either char or wchar_t depending on the ASCII/Unicode mode and have
+// the function mapping _tfoo() -> foo() or wfoo()
+// ----------------------------------------------------------------------------
+
+// VC++ and BC++ starting with 5.2 have TCHAR support
+#ifdef __VISUALC__
+    #define wxHAVE_TCHAR_SUPPORT
+#elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
+    #define wxHAVE_TCHAR_SUPPORT
+    #include <ctype.h>
+#elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 )
+    #define wxHAVE_TCHAR_SUPPORT
+    #include <stddef.h>
+    #include <string.h>
+    #include <ctype.h>
+#elif 0 && defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
+    // VZ: the old VisualAge definitions were completely wrong and had no
+    //     chance at all to work in Unicode build anyhow so let's pretend that
+    //     VisualAge does _not_ support TCHAR for the moment (as indicated by
+    //     "0 &&" above) until someone really has time to delve into Unicode
+    //     issues under OS/2
+
+    // VisualAge 4.0+ supports TCHAR
+    #define wxHAVE_TCHAR_SUPPORT
+#endif // compilers with (good) TCHAR support
+
+#ifdef __MWERKS__
+    #define HAVE_WPRINTF
+#endif
 
-    // string.h functions
-    // #define  wxStricmp   strcasecmp
-    // wxStricmp is defined below!!
+#ifdef wxHAVE_TCHAR_SUPPORT
+    // get TCHAR definition if we've got it
+    #include <tchar.h>
 
-    #ifdef HAVE_STRTOK_R
-        #define  wxStrtok(str, sep, last)    strtok_r(str, sep, last)
-    #else
-        #define  wxStrtok(str, sep, last)    strtok(str, sep)
+    // we surely do have wchar_t if we have TCHAR
+    #ifndef wxUSE_WCHAR_T
+        #define wxUSE_WCHAR_T 1
+    #endif // !defined(wxUSE_WCHAR_T)
+
+    // and we also do have wcslen()
+    #ifndef HAVE_WCSLEN
+        #define HAVE_WCSLEN
     #endif
+#endif // wxHAVE_TCHAR_SUPPORT
 
-     // leave the rest to defaults below
-#   define wxNEED_WX_STRING_H
-#   define wxNEED_WX_STDIO_H
-#   define wxNEED_WX_STDLIB_H
-#   define wxNEED_WX_TIME_H
+// ----------------------------------------------------------------------------
+// define wxChar type
+// ----------------------------------------------------------------------------
 
-#  endif//Unicode
-#endif//TCHAR-aware compilers
+// TODO: define wxCharInt to be equal to either int or wint_t?
 
-// define wxStricmp for various compilers without Unicode possibilities
-#if !defined(wxStricmp) && !wxUSE_UNICODE
-#  if defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__SALFORDC__) || defined(__VISAGECPP__) || defined(__EMX__)
-#    define wxStricmp stricmp
-#  elif defined(__SC__) || defined(__VISUALC__) || (defined(__MWERKS__) && defined(__INTEL__))
-#    define wxStricmp _stricmp
-#  elif defined(__UNIX__) || defined(__GNUWIN32__)
-#    define wxStricmp strcasecmp
-#  elif defined(__MWERKS__) && !defined(__INTEL__)
-     // use wxWindows' implementation
-#  else
-     // if you leave wxStricmp undefined, wxWindows' implementation will be used
-#    error  "Please define string case-insensitive compare for your OS/compiler"
-#  endif
+#if !wxUSE_UNICODE
+    typedef char wxChar;
+    typedef signed char wxSChar;
+    typedef unsigned char wxUChar;
+#else // Unicode
+    // VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as
+    //     signed/unsigned version of it which (a) makes sense to me (unlike
+    //     char wchar_t is always unsigned) and (b) was how the previous
+    //     definitions worked so keep it like this
+
+    // GNU libc has __WCHAR_TYPE__ which requires special treatment, see
+    // comment below
+    #if !defined(__WCHAR_TYPE__) || \
+        (!defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 96))
+        // standard case
+        typedef wchar_t wxChar;
+        typedef wchar_t wxSChar;
+        typedef wchar_t wxUChar;
+    #else // __WCHAR_TYPE__ and gcc < 2.96
+        // VS: wxWindows used to define wxChar as __WCHAR_TYPE__ here. However,
+        //     this doesn't work with new GCC 3.x compilers because wchar_t is
+        //     C++'s builtin type in the new standard. OTOH, old compilers (GCC
+        //     2.x) won't accept new definition of wx{S,U}Char, therefore we
+        //     have to define wxChar conditionally depending on detected
+        //     compiler & compiler version.
+        //     with old definition of wxChar.
+        typedef __WCHAR_TYPE__ wxChar;
+        typedef __WCHAR_TYPE__ wxSChar;
+        typedef __WCHAR_TYPE__ wxUChar;
+    #endif // __WCHAR_TYPE__
+#endif // ASCII/Unicode
+
+// ----------------------------------------------------------------------------
+// define _T() and related macros
+// ----------------------------------------------------------------------------
+
+// BSD systems define _T() to be something different in ctype.h, override it
+#if defined(__FreeBSD__) || defined(__DARWIN__)
+    #include <ctype.h>
+    #undef _T
 #endif
 
-// if we need to define for standard headers, and we're not using Unicode,
-// just define to standard C library routines
-#if !wxUSE_UNICODE
-#  ifdef wxNEED_WX_STRING_H
-#    define  wxStrcat    strcat
-#    define  wxStrchr    strchr
-#    define  wxStrcmp    strcmp
-#    define  wxStrcoll   strcoll
-#    define  wxStrcpy    strcpy
-#    define  wxStrcspn   strcspn
-#    define  wxStrdup    strdup
-#    define  wxStrlen_   strlen // used in wxStrlen inline function
-#    define  wxStrncat   strncat
-#    define  wxStrncmp   strncmp
-#    define  wxStrncpy   strncpy
-#    define  wxStrpbrk   strpbrk
-#    define  wxStrrchr   strrchr
-#    define  wxStrspn    strspn
-#    define  wxStrstr    strstr
-#    define  wxStrtod    strtod
-#    define  wxStrtol    strtol
-#    define  wxStrtoul   strtoul
-#    define  wxStrxfrm   strxfrm
-#    undef wxNEED_WX_STRING_H
-#  endif
-
-#  ifdef wxNEED_WX_STDIO_H
-#    define  wxFgetc     fgetc
-#    define  wxFgetchar  fgetchar
-#    define  wxFgets     fgets
-#    define  wxFopen     fopen
-#    define  wxFputc     fputc
-#    define  wxFputchar  fputchar
-#    define  wxFprintf   fprintf
-#    define  wxFreopen   freopen
-#    define  wxFscanf    fscanf
-#    define  wxGetc      getc
-#    define  wxGetchar   getchar
-#    define  wxGets      gets
-#    define  wxPerror    perror
-#    define  wxPrintf    printf
-#    define  wxPutc      putc
-#    define  wxPutchar   putchar
-#    define  wxPuts      puts
-#    define  wxRemove    remove
-#    define  wxRename    rename
-#    define  wxScanf     scanf
-#    define  wxSprintf   sprintf
-#    define  wxSscanf    sscanf
-#    define  wxTmpnam    tmpnam
-#    define  wxUngetc    ungetc
-#    define  wxVfprint   vfprintf
-#    define  wxVprintf   vprintf
-#    define  wxVsscanf   vsscanf
-#    define  wxVsprintf  vsprintf
-#    undef wxNEED_WX_STDIO_H
-#  endif
-
-#  ifdef wxNEED_WX_STDLIB_H
-#    define  wxAtof      atof
-#    define  wxAtoi      atoi
-#    define  wxAtol      atol
-#    define  wxGetenv    getenv
-#    define  wxSystem    system
-#    undef wxNEED_WX_STDLIB_H
-#  endif
-
-#  ifdef wxNEED_WX_TIME_H
-#    define  wxAsctime   asctime
-#    define  wxCtime     ctime
-#    define  wxStrftime  strftime
-#    undef wxNEED_WX_TIME_H
-#  endif
-#endif //!Unicode
-
-#if defined(wxNEED_WCSLEN) && wxUSE_UNICODE
-#  define wcslen wxStrlen
-#  undef wxNEED_WCSLEN
+// could already be defined by tchar.h (it's quasi standard)
+#ifndef _T
+    #if !wxUSE_UNICODE
+        #define _T(x) x
+    #else // Unicode
+        #define _T(x) L ## x
+    #endif // ASCII/Unicode
+#endif // !defined(_T)
+
+// although global macros with such names are normally bad, we want to have
+// another name for _T() which should be used to avoid confusion between _T()
+// and _() in wxWindows sources
+#define wxT(x)       _T(x)
+
+// Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs
+#ifndef __TFILE__
+    #define __XFILE__(x) wxT(x)
+    #define __TFILE__ __XFILE__(__FILE__)
 #endif
 
-/// checks whether the passed in pointer is NULL and if the string is empty
-WXDLLEXPORT inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
+#ifndef __TDATE__
+    #define __XDATE__(x) wxT(x)
+    #define __TDATE__ __XDATE__(__DATE__)
+#endif
 
-#ifndef wxNEED_WX_STRING_H
-/// safe version of strlen() (returns 0 if passed NULL pointer)
-WXDLLEXPORT inline size_t wxStrlen(const wxChar *psz)
-   { return psz ? wxStrlen_(psz) : 0; }
+#ifndef __TTIME__
+    #define __XTIME__(x) wxT(x)
+    #define __TTIME__ __XTIME__(__TIME__)
 #endif
 
+// ----------------------------------------------------------------------------
+// define wxFoo() function for each standard foo() function whose signature
+// (exceptionally including the return type) includes any mention of char:
+// wxFoo() is going to be a Unicode-friendly version of foo(), i.e. will have
+// the same signature but with char replaced by wxChar which allows us to use
+// it in Unicode build as well
+// ----------------------------------------------------------------------------
+
+#ifdef wxHAVE_TCHAR_SUPPORT
+    #include <ctype.h>
+
+    // ctype.h functions
+    #define  wxIsalnum   _istalnum
+    #define  wxIsalpha   _istalpha
+    #define  wxIsctrl    _istctrl
+    #define  wxIsdigit   _istdigit
+    #define  wxIsgraph   _istgraph
+    #define  wxIslower   _istlower
+    #define  wxIsprint   _istprint
+    #define  wxIspunct   _istpunct
+    #define  wxIsspace   _istspace
+    #define  wxIsupper   _istupper
+    #define  wxIsxdigit  _istxdigit
+    #define  wxTolower   _totlower
+    #define  wxToupper   _totupper
+
+    // locale.h functons
+    #define  wxSetlocale _tsetlocale
+
+    // string.h functions
+    #define  wxStrcat    _tcscat
+    #define  wxStrchr    _tcschr
+    #define  wxStrcmp    _tcscmp
+    #define  wxStrcoll   _tcscoll
+    #define  wxStrcpy    _tcscpy
+    #define  wxStrcspn   _tcscspn
+    #define  wxStrdupW   _wcsdup        // notice the 'W'!
+    #define  wxStrftime  _tcsftime
+    #define  wxStricmp   _tcsicmp
+    #define  wxStrnicmp  _tcsnicmp
+    #define  wxStrlen_   _tcslen        // used in wxStrlen inline function
+    #define  wxStrncat   _tcsncat
+    #define  wxStrncmp   _tcsncmp
+    #define  wxStrncpy   _tcsncpy
+    #define  wxStrpbrk   _tcspbrk
+    #define  wxStrrchr   _tcsrchr
+    #define  wxStrspn    _tcsspn
+    #define  wxStrstr    _tcsstr
+    #define  wxStrtod    _tcstod
+    #define  wxStrtol    _tcstol
+    #define  wxStrtoul   _tcstoul
+    #define  wxStrxfrm   _tcsxfrm
+
+    // stdio.h functions
+    #define  wxFgetc     _fgettc
+    #define  wxFgetchar  _fgettchar
+    #define  wxFgets     _fgetts
+    #define  wxFopen     _tfopen
+    #define  wxFputc     _fputtc
+    #define  wxFputchar  _fputtchar
+    #define  wxFprintf   _ftprintf
+    #define  wxFputs     _fputts
+    #define  wxFreopen   _tfreopen
+    #define  wxFscanf    _ftscanf
+    #define  wxGetc      _gettc
+    #define  wxGetchar   _gettchar
+    #define  wxGets      _getts
+    #define  wxPerror    _tperror
+    #define  wxPrintf    _tprintf
+    #define  wxPutc      _puttc
+    #define  wxPutchar   _puttchar
+    #define  wxPuts      _putts
+    #define  wxScanf     _tscanf
+    #define  wxSprintf   _stprintf
+    #define  wxSscanf    _stscanf
+    #define  wxTmpnam    _ttmpnam
+    #define  wxUngetc    _tungetc
+    #define  wxVfprintf  _vftprintf
+    #define  wxVprintf   _vtprintf
+    #define  wxVsscanf   _vstscanf
+    #define  wxVsprintf  _vstprintf
+
+    // special case: not all TCHAR-aware compilers have those
+    #if defined(__VISUALC__) || \
+            (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
+        #define wxVsnprintf_    _vsntprintf
+        #define wxSnprintf_     _sntprintf
+    #endif
+
+    // special case: these functions are missing under Win9x with Unicows so we
+    // have to implement them ourselves
+    #if wxUSE_UNICODE_MSLU
+        #define  wxRemove    wxMSLU__tremove
+        #define  wxRename    wxMSLU__trename
+    #else
+        #ifdef __WXWINCE__
+            #define  wxRemove    DeleteFile
+        #else
+            #define  wxRemove    _tremove
+            #define  wxRename    _trename
+        #endif
+    #endif
+
+    // stdlib.h functions
+    #define  wxAtoi      _ttoi
+    #define  wxAtol      _ttol
+    // #define  wxAtof   _tttof -- notice that there is no such thing (why?)
+    #define  wxGetenv    _tgetenv
+    #define  wxSystem    _tsystem
+
+    // time.h functions
+    #define  wxAsctime   _tasctime
+    #define  wxCtime     _tctime
+#else // !TCHAR-aware compilers
+    #if wxUSE_UNICODE
+        #include <wctype.h>
+
+        // this is probably glibc-specific
+        #if defined(__WCHAR_TYPE__)
+            // ctype.h functions (wctype.h)
+            #define  wxIsalnum   iswalnum
+            #define  wxIsalpha   iswalpha
+            #define  wxIsctrl    iswcntrl
+            #define  wxIsdigit   iswdigit
+            #define  wxIsgraph   iswgraph
+            #define  wxIslower   iswlower
+            #define  wxIsprint   iswprint
+            #define  wxIspunct   iswpunct
+            #define  wxIsspace   iswspace
+            #define  wxIsupper   iswupper
+            #define  wxIsxdigit  iswxdigit
+
+            #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
+                // /usr/include/wctype.h incorrectly declares translations
+                // tables which provokes tons of compile-time warnings -- try
+                // to correct this
+                #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
+                #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
+            #else // !glibc 2.0
+                #define  wxTolower   towlower
+                #define  wxToupper   towupper
+            #endif // gcc/!gcc
+
+            // string.h functions (wchar.h)
+            #define  wxStrcat    wcscat
+            #define  wxStrchr    wcschr
+            #define  wxStrcmp    wcscmp
+            #define  wxStrcoll   wcscoll
+            #define  wxStrcpy    wcscpy
+            #define  wxStrcspn   wcscspn
+            #define  wxStrlen_   wxWcslen // wxStrlen_() is used in wxStrlen()
+            #define  wxStrncat   wcsncat
+            #define  wxStrncmp   wcsncmp
+            #define  wxStrncpy   wcsncpy
+            #define  wxStrpbrk   wcspbrk
+            #define  wxStrrchr   wcsrchr
+            #define  wxStrspn    wcsspn
+            #define  wxStrstr    wcsstr
+            #define  wxStrtod    wcstod
+            #define  wxStrtol    wcstol
+            #define  wxStrtoul   wcstoul
+            #define  wxStrxfrm   wcsxfrm
+
+            #define  wxFgetc     fgetwc
+            #define  wxFgetchar  fgetwchar
+            #define  wxFgets     fgetws
+            #define  wxFputc     fputwc
+            #define  wxFputchar  fputwchar
+            #define  wxGetc      getwc
+            #define  wxGetchar   getwchar
+            #define  wxGets      getws
+            #define  wxUngetc    ungetwc
+
+            #ifdef HAVE_FPUTWC
+                #define  wxPutc      wputc
+                #define  wxPutchar   wputchar
+                #define  wxPuts      putws
+                #define  wxFputs     fputws
+            #else
+                #define wxNEED_FPUTWC
+
+                #include <stdio.h>
+
+                int wxFputs(const wxChar *ch, FILE *stream);
+                int wxPutc(wxChar ch, FILE *stream);
+
+                #define wxPuts(ws) wxFputs(ws, stdout)
+                #define wxPutchar(wch) wxPutc(wch, stdout)
+            #endif
+
+            // we need %s to %ls conversion for printf and scanf etc
+            #define wxNEED_PRINTF_CONVERSION
+
+            // glibc doesn't have wide char equivalents of the other stuff so
+            // use our own versions
+            #define wxNEED_WX_STDIO_H
+            #define wxNEED_WX_STDLIB_H
+            #define wxNEED_WX_TIME_H
+        #elif defined(__MWERKS__) && ( defined(macintosh) || defined(__MACH__) )
+            // ctype.h functions (wctype.h)
+            #define  wxIsalnum   iswalnum
+            #define  wxIsalpha   iswalpha
+            #define  wxIsctrl    iswcntrl
+            #define  wxIsdigit   iswdigit
+            #define  wxIsgraph   iswgraph
+            #define  wxIslower   iswlower
+            #define  wxIsprint   iswprint
+            #define  wxIspunct   iswpunct
+            #define  wxIsspace   iswspace
+            #define  wxIsupper   iswupper
+            #define  wxIsxdigit  iswxdigit
+            #define  wxTolower   towlower
+            #define  wxToupper   towupper
+
+            // string.h functions (wchar.h)
+            #define  wxStrcat    wcscat
+            #define  wxStrchr    wcschr
+            #define  wxStrcmp    wcscmp
+            #define  wxStrcoll   wcscoll
+            #define  wxStrcpy    wcscpy
+            #define  wxStrcspn   wcscspn
+            #define  wxStrlen_   wxWcslen // wxStrlen_() is used in wxStrlen()
+            #define  wxStrncat   wcsncat
+            #define  wxStrncmp   wcsncmp
+            #define  wxStrncpy   wcsncpy
+            #define  wxStrpbrk   wcspbrk
+            #define  wxStrrchr   wcsrchr
+            #define  wxStrspn    wcsspn
+            #define  wxStrstr    wcsstr
+            #define  wxStrtod    wcstod
+            #define  wxStrtol    wcstol
+            #define  wxStrtoul   wcstoul
+            #define  wxStrxfrm   wcsxfrm
+
+            #define  wxFgetc     fgetwc
+            #define  wxFgetchar  fgetwchar
+            #define  wxFgets     fgetws
+            #define  wxFputc     fputwc
+            #define  wxFputchar  fputwchar
+            #define  wxGetc      getwc
+            #define  wxGetchar   getwchar
+            #define  wxGets      getws
+            #define  wxUngetc    ungetwc
+
+            #define wxNEED_PRINTF_CONVERSION
+
+            #define  wxPutc      putwc
+            #define  wxPutchar   putwchar
+            #define  wxFputs     fputws
+            
+            // stdio.h functions
+            
+             #define wxNEED_WX_STDIO_H
+
+            // stdlib.h functions
+            #define  wxAtof      watof
+            #define  wxAtoi      watoi
+            #define  wxAtol      watol
+            #define  wxGetenv(a)    ((wxChar*)NULL)
+            #define  wxSystem(a)    ((int)NULL)
+
+            // time.h functions
+            #define  wxAsctime   wasciitime
+            #define  wxCtime     wctime
+            #define  wxStrftime  wcsftime
+
+            /*
+            #define wxNEED_FPUTWC
+
+            #include <stdio.h>
+
+            int wxFputs(const wxChar *ch, FILE *stream);
+            int wxPutc(wxChar ch, FILE *stream);
+
+            #define wxPuts(ws) wxFputs(ws, stdout)
+            #define wxPutchar(wch) wxPutc(wch, stdout)
+
+            // we need %s to %ls conversion for printf and scanf etc
+            #define wxNEED_PRINTF_CONVERSION
+            // glibc doesn't have wide char equivalents of the other stuff so
+            // use our own versions
+            #define wxNEED_WX_STDIO_H
+            #define wxNEED_WX_STDLIB_H
+            #define wxNEED_WX_TIME_H
+            */
+        #else // !metrowerks for apple
+            #error  "Please define wide character functions for your environment"
+        #endif
+    #else // ASCII
+        #include <ctype.h>
+        #include <string.h>
+
+        // ctype.h functions
+        #define  wxIsalnum   isalnum
+        #define  wxIsalpha   isalpha
+        #define  wxIsctrl    isctrl
+        #define  wxIsdigit   isdigit
+        #define  wxIsgraph   isgraph
+        #define  wxIslower   islower
+        #define  wxIsprint   isprint
+        #define  wxIspunct   ispunct
+        #define  wxIsspace   isspace
+        #define  wxIsupper   isupper
+        #define  wxIsxdigit  isxdigit
+        #define  wxTolower   tolower
+        #define  wxToupper   toupper
+
+         // locale.h functons
+        #define  wxSetlocale setlocale
+
+         // string.h functions
+        #define  wxStrcat    strcat
+        #define  wxStrchr    strchr
+        #define  wxStrcmp    strcmp
+        #define  wxStrcoll   strcoll
+        #define  wxStrcpy    strcpy
+        #define  wxStrcspn   strcspn
+
+        // wxStricmp and wxStrnicmp are defined below
+        #define  wxStrlen_   strlen // used in wxStrlen inline function
+        #define  wxStrncat   strncat
+        #define  wxStrncmp   strncmp
+        #define  wxStrncpy   strncpy
+        #define  wxStrpbrk   strpbrk
+        #define  wxStrrchr   strrchr
+        #define  wxStrspn    strspn
+        #define  wxStrstr    strstr
+        #define  wxStrtod    strtod
+        #ifdef HAVE_STRTOK_R
+            #define  wxStrtok(str, sep, last)    strtok_r(str, sep, last)
+        #endif
+        #define  wxStrtol    strtol
+        #define  wxStrtoul   strtoul
+        #define  wxStrxfrm   strxfrm
+
+        // stdio.h functions
+        #if defined(__WXMAC__) && !defined(__DARWIN__)
+        #include <stdio.h>
+        WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
+        WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
+        WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
+        WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
+        #else
+        #define  wxFopen     fopen
+        #define  wxFreopen   freopen
+        #define  wxRemove    remove
+        #define  wxRename    rename
+        #endif
+        #define  wxPerror    perror
+        #define  wxTmpnam    tmpnam
+
+        #define  wxFgetc     fgetc
+        #define  wxFgetchar  fgetchar
+        #define  wxFgets     fgets
+        #define  wxFputc     fputc
+        #define  wxFputchar  fputchar
+        #define  wxFprintf   fprintf
+        #define  wxFscanf    fscanf
+        #define  wxGetc      getc
+        #define  wxGetchar   getchar
+        #define  wxGets      gets
+        #define  wxPrintf    printf
+        #define  wxPutc      putc
+        #define  wxPutchar   putchar
+        #define  wxPuts      puts
+        #define  wxScanf     scanf
+        #define  wxSprintf   sprintf
+        #define  wxSscanf    sscanf
+        #define  wxUngetc    ungetc
+        #define  wxVfprintf  vfprintf
+        #define  wxVprintf   vprintf
+        #define  wxVsscanf   vsscanf
+        #define  wxVsprintf  vsprintf
+
+        // stdlib.h functions
+        #define  wxAtof      atof
+        #define  wxAtoi      atoi
+        #define  wxAtol      atol
+        #define  wxGetenv    getenv
+        #define  wxSystem    system
+
+        // time.h functions
+        #define  wxAsctime   asctime
+        #define  wxCtime     ctime
+        #define  wxStrftime  strftime
+    #endif // Unicode/ASCII
+#endif // TCHAR-aware compilers/the others
+
+// ----------------------------------------------------------------------------
+// various special cases
+// ----------------------------------------------------------------------------
+
+// define wxStricmp and wxStrnicmp for various compilers
+//
+// note that in Unicode mode we definitely are going to need our own version
+#if !defined(wxStricmp) && !wxUSE_UNICODE
+    #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
+            defined(__SALFORDC__) || defined(__VISAGECPP__) || \
+            defined(__EMX__) || defined(__DJGPP__)
+        #define wxStricmp stricmp
+        #define wxStrnicmp strnicmp
+    #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
+            (defined(__MWERKS__) && defined(__INTEL__))
+        #define wxStricmp _stricmp
+        #define wxStrnicmp _strnicmp
+    #elif defined(__UNIX__) || defined(__GNUWIN32__)
+        #define wxStricmp strcasecmp
+        #define wxStrnicmp strncasecmp
+    // #else -- use wxWindows implementation
+    #endif
+#endif // !defined(wxStricmp)
+
+// define wxWcslen() which should be always available if wxUSE_WCHAR_T == 1 (as
+// it's used in wx/buffer.h -- and also might be used just below by wxStrlen()
+// when wxStrlen_() is #define'd as wxWcslen so do it before defining wxStrlen)
 #if wxUSE_WCHAR_T
-// multibyte<->widechar conversion
-WXDLLEXPORT size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
-WXDLLEXPORT size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
-#  if wxUSE_UNICODE
-#    define wxMB2WX wxMB2WC
-#    define wxWX2MB wxWC2MB
-#    define wxWC2WX wxStrncpy
-#    define wxWX2WC wxStrncpy
-#  else
-#    define wxMB2WX wxStrncpy
-#    define wxWX2MB wxStrncpy
-#    define wxWC2WX wxWC2MB
-#    define wxWX2WC wxMB2WC
-#  endif
+    #ifdef HAVE_WCSLEN
+        #define wxWcslen wcslen
+    #else
+        inline size_t wxWcslen(const wchar_t *s)
+        {
+            size_t n = 0;
+            while ( *s++ )
+                n++;
+
+            return n;
+        }
+    #endif
+#endif // wxUSE_WCHAR_T
+
+// checks whether the passed in pointer is NULL and if the string is empty
+inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
+
+// safe version of strlen() (returns 0 if passed NULL pointer)
+inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
+
+// each of strdup() and wcsdup() may or may not be available but we need both
+// of them anyhow for wx/buffer.h so we define the missing one(s) in
+// wxchar.cpp and so we should always have both wxStrdupA and wxStrdupW
+// defined -- if this is somehow not the case in some situations, please
+// correct that and not the lines here
+#if wxUSE_UNICODE
+    #define wxStrdup wxStrdupW
 #else
-// No wxUSE_WCHAR_T: we have to do something (JACS)
-#  define wxMB2WC wxStrncpy
-#  define wxWC2MB wxStrncpy
-#  define wxMB2WX wxStrncpy
-#  define wxWX2MB wxStrncpy
-#  define wxWC2WX wxWC2MB
-#  define wxWX2WC wxMB2WC
+    #define wxStrdup wxStrdupA
 #endif
 
-WXDLLEXPORT bool wxOKlibc(); // for internal use
+WXDLLIMPEXP_BASE bool wxOKlibc(); // for internal use
+
+// ----------------------------------------------------------------------------
+// printf() family saga
+// ----------------------------------------------------------------------------
+
+/*
+   For some systems vsnprintf() exists in the system libraries but not in the
+   headers, so we need to declare it ourselves to be able to use it.
+ */
+#if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
+    extern "C"
+    int vsnprintf(char *str, size_t size, const char *format, va_list ap);
+#endif // !HAVE_VSNPRINTF_DECL
+
+/*
+   First of all, we always want to define safe snprintf() function to be used
+   instead of sprintf(). Some compilers already have it (or rather vsnprintf()
+   which we really need...), otherwise we implement it using our own printf()
+   code.
+
+   We define function with a trailing underscore here because the real one is a
+   wrapper around it as explained below
+ */
+#ifndef wxVsnprintf_
+    #if wxUSE_UNICODE
+        #if defined(__MWERKS__)
+            #define HAVE_WCSRTOMBS 1
+            #define HAVE_VSWPRINTF 1
+        #endif
+        #if defined(HAVE__VSNWPRINTF)
+            #define wxVsnprintf_    _vsnwprintf
+        /* MinGW?MSVCRT has the wrong vswprintf */
+        #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
+            #define wxVsnprintf_    vswprintf
+        #endif
+    #else // ASCII
+        // all versions of CodeWarrior supported by wxWindows apparently have
+        // vsnprintf()
+        #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__)
+            // assume we have snprintf() too if we have vsnprintf()
+            #define wxVsnprintf_    vsnprintf
+            #define wxSnprintf_     snprintf
+        #endif
+    #endif
+#endif // wxVsnprintf_ not defined yet
 
-// if libc versions are not available, use replacements defined in wxchar.cpp
-#ifndef wxStrdup
-WXDLLEXPORT wxChar * wxStrdup(const wxChar *psz);
+#ifndef wxSnprintf_
+    // no [v]snprintf(), cook our own
+    WXDLLIMPEXP_BASE int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
+                                ...) ATTRIBUTE_PRINTF_3;
 #endif
-
-#ifndef wxStricmp
-WXDLLEXPORT int      wxStricmp(const wxChar *psz1, const wxChar *psz2);
+#ifndef wxVsnprintf_
+    WXDLLIMPEXP_BASE int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
+                                 va_list argptr);
 #endif
 
-#ifndef wxStrtok
-WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
+/*
+   In Unicode mode we need to have all standard functions such as wprintf() and
+   so on but not all systems have them so use our own implementations in this
+   case.
+ */
+#if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
+    #define wxNEED_WPRINTF
 #endif
 
-#ifndef wxSetlocale
-WXDLLEXPORT wxChar * wxSetlocale(int category, const wxChar *locale);
+/*
+   More Unicode complications: although both ANSI C and C++ define a number of
+   wide character functions such as wprintf(), not all environments have them.
+   Worse, those which do have different behaviours: under Windows, %s format
+   specifier changes its meaning in Unicode build and expects a Unicode string
+   while under Unix/POSIX it still means an ASCII string even for wprintf() and
+   %ls has to be used for wide strings.
+
+   We choose to always emulate Windows behaviour as more useful for us so even
+   if we have wprintf() we still must wrap it in a non trivial wxPrintf().
+
+   However, if we don't have any vswprintf() at all we don't need to redefine
+   anything as our own wxVsnprintf_() already behaves as needed.
+*/
+#ifndef wxVsnprintf_
+    #undef wxNEED_PRINTF_CONVERSION
 #endif
 
-#ifdef wxNEED_WCSLEN // for use in buffer.h
-WXDLLEXPORT size_t   wcslen(const wchar_t *s);
+#if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
+    // we need to implement all wide character printf and scanf functions
+    // either because we don't have them at all or because they don't have the
+    // semantics we need
+
+    #include <stdio.h>  // for FILE
+
+    int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
+    int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
+    int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
+    int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
+    int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
+    int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
+    int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
+    int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
+    int wxVprintf( const wxChar *format, va_list ap );
+    int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
+#endif // wxNEED_PRINTF_CONVERSION
+
+// these 2 can be simply mapped to the versions with underscore at the end
+// if we don't have to do the conversion
+#ifdef wxNEED_PRINTF_CONVERSION
+    int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
+    int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
+#else
+    #define wxSnprintf wxSnprintf_
+    #define wxVsnprintf wxVsnprintf_
 #endif
 
+// ----------------------------------------------------------------------------
+// various functions which might not be available in libc and for which we
+// provide our own replacements in wxchar.cpp
+// ----------------------------------------------------------------------------
+
+// ctype.h functions
+//
+// VZ: note that this is never defined currently
 #ifdef wxNEED_WX_CTYPE_H
-WXDLLEXPORT int wxIsalnum(wxChar ch);
-WXDLLEXPORT int wxIsalpha(wxChar ch);
-WXDLLEXPORT int wxIsctrl(wxChar ch);
-WXDLLEXPORT int wxIsdigit(wxChar ch);
-WXDLLEXPORT int wxIsgraph(wxChar ch);
-WXDLLEXPORT int wxIslower(wxChar ch);
-WXDLLEXPORT int wxIsprint(wxChar ch);
-WXDLLEXPORT int wxIspunct(wxChar ch);
-WXDLLEXPORT int wxIsspace(wxChar ch);
-WXDLLEXPORT int wxIsupper(wxChar ch);
-WXDLLEXPORT int wxIsxdigit(wxChar ch);
-WXDLLEXPORT int wxTolower(wxChar ch);
-WXDLLEXPORT int wxToupper(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsalnum(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsalpha(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsctrl(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsdigit(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsgraph(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIslower(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsprint(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIspunct(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsspace(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsupper(wxChar ch);
+    WXDLLIMPEXP_BASE int wxIsxdigit(wxChar ch);
+    WXDLLIMPEXP_BASE int wxTolower(wxChar ch);
+    WXDLLIMPEXP_BASE int wxToupper(wxChar ch);
+#endif // wxNEED_WX_CTYPE_H
+
+// under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks
+// the file parsing -- this may be true for 5.0 as well, update #ifdef then
+#if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
+    #undef wxIsspace
+    #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
+#endif // VC++
+
+
+// string.h functions
+//
+// VZ: this is never defined neither currently
+#ifdef wxNEED_WX_STRING_H
+    WXDLLIMPEXP_BASE wxChar * wxStrcat(wxChar *dest, const wxChar *src);
+    WXDLLIMPEXP_BASE const wxChar * wxStrchr(const wxChar *s, wxChar c);
+    WXDLLIMPEXP_BASE wxChar * wxStrchr(wxChar *s, wxChar c)
+        { return (wxChar *)wxStrchr((const wxChar *)s, c); }
+    WXDLLIMPEXP_BASE int      wxStrcmp(const wxChar *s1, const wxChar *s2);
+    WXDLLIMPEXP_BASE int      wxStrcoll(const wxChar *s1, const wxChar *s2);
+    WXDLLIMPEXP_BASE wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
+    WXDLLIMPEXP_BASE size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
+    WXDLLIMPEXP_BASE size_t   wxStrlen(const wxChar *s);
+    WXDLLIMPEXP_BASE wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
+    WXDLLIMPEXP_BASE int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
+    WXDLLIMPEXP_BASE wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
+    WXDLLIMPEXP_BASE const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
+    WXDLLIMPEXP_BASE wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
+        { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
+    WXDLLIMPEXP_BASE const wxChar * wxStrrchr(const wxChar *s, wxChar c);
+    WXDLLIMPEXP_BASE wxChar * wxStrrchr(wxChar *s, wxChar c)
+        { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
+    WXDLLIMPEXP_BASE size_t   wxStrspn(const wxChar *s, const wxChar *accept);
+    WXDLLIMPEXP_BASE const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
+    WXDLLIMPEXP_BASE wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
+        { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
+    WXDLLIMPEXP_BASE double   wxStrtod(const wxChar *nptr, wxChar **endptr);
+    WXDLLIMPEXP_BASE long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
+    WXDLLIMPEXP_BASE unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
+    WXDLLIMPEXP_BASE size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
+#endif // wxNEED_WX_STRING_H
+
+#ifndef wxStrdupA
+WXDLLIMPEXP_BASE char *wxStrdupA(const char *psz);
 #endif
 
-#ifdef wxNEED_WX_STRING_H
-WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src);
-WXDLLEXPORT wxChar * wxStrchr(const wxChar *s, wxChar c);
-WXDLLEXPORT int      wxStrcmp(const wxChar *s1, const wxChar *s2);
-WXDLLEXPORT int      wxStrcoll(const wxChar *s1, const wxChar *s2);
-WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
-WXDLLEXPORT size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
-WXDLLEXPORT size_t   wxStrlen(const wxChar *s);
-WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
-WXDLLEXPORT int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
-WXDLLEXPORT wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
-WXDLLEXPORT wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
-WXDLLEXPORT wxChar * wxStrrchr(const wxChar *s, wxChar c);
-WXDLLEXPORT size_t   wxStrspn(const wxChar *s, const wxChar *accept);
-WXDLLEXPORT wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
-WXDLLEXPORT double   wxStrtod(const wxChar *nptr, wxChar **endptr);
-WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
-WXDLLEXPORT unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
-WXDLLEXPORT size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
+#ifndef wxStrdupW
+WXDLLIMPEXP_BASE wchar_t *wxStrdupW(const wchar_t *pwz);
 #endif
 
-#ifdef wxNEED_WX_STDIO_H
-#  include <stdio.h>
-#  include <stdarg.h>
-WXDLLEXPORT FILE *   wxFopen(const wxChar *path, const wxChar *mode);
-WXDLLEXPORT FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
-WXDLLEXPORT int      wxPrintf(const wxChar *fmt, ...);
-WXDLLEXPORT int      wxVprintf(const wxChar *fmt, va_list argptr);
-WXDLLEXPORT int      wxFprintf(FILE *stream, const wxChar *fmt, ...);
-WXDLLEXPORT int      wxVfprintf(FILE *stream, const wxChar *fmt, va_list argptr);
-WXDLLEXPORT int      wxSprintf(wxChar *buf, const wxChar *fmt, ...);
-WXDLLEXPORT int      wxVsprintf(wxChar *buf, const wxChar *fmt, va_list argptr);
-WXDLLEXPORT int      wxSscanf(const wxChar *buf, const wxChar *fmt, ...);
-WXDLLEXPORT int      wxVsscanf(const wxChar *buf, const wxChar *fmt, va_list argptr);
+#ifndef wxStricmp
+WXDLLIMPEXP_BASE int wxStricmp(const wxChar *psz1, const wxChar *psz2);
+#endif
+
+#ifndef wxStrnicmp
+WXDLLIMPEXP_BASE int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
+#endif
+
+#ifndef wxStrtok
+WXDLLIMPEXP_BASE wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
 #endif
 
+#ifndef wxSetlocale
+class WXDLLIMPEXP_BASE wxWCharBuffer;
+WXDLLIMPEXP_BASE wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
+#endif
+
+// stdio.h functions
+#ifdef wxNEED_WX_STDIO_H
+    #include <stdio.h>
+    WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
+    WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
+    WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
+    WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
+
+    // *printf() family is handled separately
+#endif // wxNEED_WX_STDIO_H
+
+
+// stdlib.h functions
 #ifndef wxAtof
-WXDLLEXPORT double   wxAtof(const wxChar *psz);
+WXDLLIMPEXP_BASE double   wxAtof(const wxChar *psz);
 #endif
 
 #ifdef wxNEED_WX_STDLIB_H
-WXDLLEXPORT int      wxAtoi(const wxChar *psz);
-WXDLLEXPORT long     wxAtol(const wxChar *psz);
-WXDLLEXPORT wxChar * wxGetenv(const wxChar *name);
-WXDLLEXPORT int      wxSystem(const wxChar *psz);
+WXDLLIMPEXP_BASE int      wxAtoi(const wxChar *psz);
+WXDLLIMPEXP_BASE long     wxAtol(const wxChar *psz);
+WXDLLIMPEXP_BASE wxChar * wxGetenv(const wxChar *name);
+WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
 #endif
 
+
+// time.h functions
 #ifdef wxNEED_WX_TIME_H
-WXDLLEXPORT size_t   wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const struct tm *tm);
+#if defined(__MWERKS__) && defined(macintosh)
+    #include <time.h> 
+#endif
+    WXDLLIMPEXP_BASE size_t wxStrftime(wxChar *s, size_t max,
+                                  const wxChar *fmt, const struct tm *tm);
+#endif // wxNEED_WX_TIME_H
+
+// missing functions in WinCE
+#ifdef __WXWINCE__
+WXDLLIMPEXP_BASE char* strdup(const char* s);
+WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
+
+#if _WIN32_WCE <= 211
+WXDLLIMPEXP_BASE int isspace(int c);
+WXDLLIMPEXP_BASE int isascii( int c );
+#endif
 #endif
 
-// although global macros with such names are really bad, we want to have
-// another name for _T() which should be used to avoid confusion between _T()
-// and _() in wxWindows sources
-#define wxT(x)       _T(x)
+// ----------------------------------------------------------------------------
+// multibyte to wide char conversion functions and macros
+// ----------------------------------------------------------------------------
 
-// a Unicode-friendly __FILE__ analog
-#ifndef __TFILE__
-    #define __XFILE__(x) wxT(x)
-    #define __TFILE__ __XFILE__(__FILE__)
+#if wxUSE_WCHAR_T
+    // multibyte<->widechar conversion
+    WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
+    WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
+
+    #if wxUSE_UNICODE
+        #define wxMB2WX wxMB2WC
+        #define wxWX2MB wxWC2MB
+        #define wxWC2WX wxStrncpy
+        #define wxWX2WC wxStrncpy
+    #else
+        #define wxMB2WX wxStrncpy
+        #define wxWX2MB wxStrncpy
+        #define wxWC2WX wxWC2MB
+        #define wxWX2WC wxMB2WC
+    #endif
+#else // !wxUSE_UNICODE
+    // No wxUSE_WCHAR_T: we have to do something (JACS)
+    #define wxMB2WC wxStrncpy
+    #define wxWC2MB wxStrncpy
+    #define wxMB2WX wxStrncpy
+    #define wxWX2MB wxStrncpy
+    #define wxWC2WX wxWC2MB
+    #define wxWX2WC wxMB2WC
 #endif
 
-#endif
-  //_WX_WXCHAR_H_
+#endif //_WX_WXCHAR_H_