]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/wxchar.cpp
wxWinCE power build fixes.
[wxWidgets.git] / src / common / wxchar.cpp
index 02ca10af2f37b128f870e4a88c4fc7b5853bdb7e..da53404e287203e87317a8d4997f949573928bc2 100644 (file)
@@ -1,18 +1,14 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wxchar.cpp
+// Name:        src/common/wxchar.cpp
 // Purpose:     wxChar implementation
 // Author:      Ove Kåven
-// Modified by:
+// Modified by: Ron Lee
 // Created:     09/04/99
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows copyright
+// Copyright:   (c) wxWidgets copyright
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-  #pragma implementation "wxchar.h"
-#endif
-
 // ===========================================================================
 // headers, declarations, constants
 // ===========================================================================
@@ -21,7 +17,7 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-  #pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #define _ISOC9X_SOURCE 1 // to get vsscanf()
 #include <string.h>
 
 #ifndef __WXWINCE__
-#include <time.h>
-#include <locale.h>
+    #include <time.h>
+    #include <locale.h>
 #else
-#include "wx/msw/wince/time.h"
+    #include "wx/msw/wince/time.h"
 #endif
 
 #ifndef WX_PRECOMP
-  #include "wx/defs.h"
-  #include "wx/wxchar.h"
-  #include "wx/string.h"
-  #include "wx/hash.h"
+    #include "wx/wxchar.h"
+    #include "wx/string.h"
+    #include "wx/hash.h"
 #endif
+  #include "wx/utils.h"     // for wxMin and wxMax
 
 #if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
   #include <windef.h>
-  #include <winbase.h>
-  #include <winnls.h>
-  #include <winnt.h>
+    #include <winbase.h>
+    #include <winnls.h>
+    #include <winnt.h>
 #endif
 
 #if defined(__MWERKS__) && __MSL__ >= 0x6000
+namespace std {}
 using namespace std ;
 #endif
 
-#ifdef __WXMAC__
-    #include "wx/mac/private.h"
-#endif
-
 #if wxUSE_WCHAR_T
 size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
 {
   // assume that we have mbsrtowcs() too if we have wcsrtombs()
-#if HAVE_WCSRTOMBS
+#ifdef HAVE_WCSRTOMBS
   mbstate_t mbstate;
   memset(&mbstate, 0, sizeof(mbstate_t));
 #endif
@@ -77,20 +70,26 @@ size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
 #ifdef HAVE_WCSRTOMBS
     return mbsrtowcs(buf, &psz, n, &mbstate);
 #else
-    return mbstowcs(buf, psz, n);
+    return wxMbstowcs(buf, psz, n);
 #endif
   }
 
+  // note that we rely on common (and required by Unix98 but unfortunately not
+  // C99) extension which allows to call mbs(r)towcs() with NULL output pointer
+  // to just get the size of the needed buffer -- this is needed as otherwise
+  // we have no idea about how much space we need and if the CRT doesn't
+  // support it (the only currently known example being Metrowerks, see
+  // wx/wxchar.h) we don't use its mbstowcs() at all
 #ifdef HAVE_WCSRTOMBS
   return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
 #else
-  return mbstowcs((wchar_t *) NULL, psz, 0);
+  return wxMbstowcs((wchar_t *) NULL, psz, 0);
 #endif
 }
 
 size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
 {
-#if HAVE_WCSRTOMBS
+#ifdef HAVE_WCSRTOMBS
   mbstate_t mbstate;
   memset(&mbstate, 0, sizeof(mbstate_t));
 #endif
@@ -101,17 +100,17 @@ size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
       if (n) *buf = '\0';
       return 0;
     }
-#if HAVE_WCSRTOMBS
+#ifdef HAVE_WCSRTOMBS
     return wcsrtombs(buf, &pwz, n, &mbstate);
 #else
-    return wcstombs(buf, pwz, n);
+    return wxWcstombs(buf, pwz, n);
 #endif
   }
 
-#if HAVE_WCSRTOMBS
+#ifdef HAVE_WCSRTOMBS
   return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
 #else
-  return wcstombs((char *) NULL, pwz, 0);
+  return wxWcstombs((char *) NULL, pwz, 0);
 #endif
 }
 #endif // wxUSE_WCHAR_T
@@ -130,11 +129,11 @@ bool WXDLLEXPORT wxOKlibc()
             (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 false;
     }
   }
 #endif
-  return TRUE;
+  return true;
 }
 
 // ============================================================================
@@ -160,48 +159,543 @@ bool WXDLLEXPORT wxOKlibc()
 
 // ----------------------------------------------------------------------------
 // implement [v]snprintf() if the system doesn't provide a safe one
+// or if the system's one does not support positional parameters
+// (very useful for i18n purposes)
 // ----------------------------------------------------------------------------
 
 #if !defined(wxVsnprintf_)
-int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
-                             const wxChar *format, va_list argptr)
+
+// wxUSE_STRUTILS says our wxVsnprintf_ implementation to use or not to
+// use wxStrlen and wxStrncpy functions over one-char processing loops.
+//
+// Some benchmarking revealed that wxUSE_STRUTILS == 1 has the following
+// effects:
+// -> on Windows:
+//     when in ANSI mode, this setting does not change almost anything
+//     when in Unicode mode, it gives ~ 50% of slowdown !
+// -> on Linux:
+//     both in ANSI and Unicode mode it gives ~ 60% of speedup !
+//
+#if defined(WIN32) && wxUSE_UNICODE
+#define wxUSE_STRUTILS      0
+#else
+#define wxUSE_STRUTILS      1
+#endif
+
+// some limits of our implementation
+#define wxMAX_SVNPRINTF_ARGUMENTS         64
+#define wxMAX_SVNPRINTF_FLAGBUFFER_LEN    32
+
+// the conversion specifiers accepted by wxMyPosVsnprintf_
+enum wxPrintfArgType {
+    wxPAT_INVALID = -1,
+
+    wxPAT_INT,          // %d, %i, %o, %u, %x, %X
+    wxPAT_LONGINT,      // %ld, etc
+#if SIZEOF_LONG_LONG
+    wxPAT_LONGLONGINT,  // %Ld, etc
+#endif
+    wxPAT_SIZET,        // %Zd, etc
+
+    wxPAT_DOUBLE,       // %e, %E, %f, %g, %G
+    wxPAT_LONGDOUBLE,   // %le, etc
+
+    wxPAT_POINTER,      // %p
+
+    wxPAT_CHAR,         // %hc  (in ANSI mode: %c, too)
+    wxPAT_WCHAR,        // %lc  (in Unicode mode: %c, too)
+
+    wxPAT_PCHAR,        // %s   (related to a char *)
+    wxPAT_PWCHAR,       // %s   (related to a wchar_t *)
+
+    wxPAT_NINT,         // %n
+    wxPAT_NSHORTINT,    // %hn
+    wxPAT_NLONGINT      // %ln
+};
+
+// an argument passed to wxMyPosVsnprintf_
+typedef union {
+    int pad_int;                        //  %d, %i, %o, %u, %x, %X
+    long int pad_longint;               // %ld, etc
+#if SIZEOF_LONG_LONG
+    long long int pad_longlongint;      // %Ld, etc
+#endif
+    size_t pad_sizet;                   // %Zd, etc
+
+    double pad_double;                  // %e, %E, %f, %g, %G
+    long double pad_longdouble;         // %le, etc
+
+    void *pad_pointer;                  // %p
+
+    char pad_char;                      // %hc  (in ANSI mode: %c, too)
+    wchar_t pad_wchar;                  // %lc  (in Unicode mode: %c, too)
+
+    char *pad_pchar;                    // %s   (related to a char *)
+    wchar_t *pad_pwchar;                // %s   (related to a wchar_t *)
+
+    int *pad_nint;                      // %n
+    short int *pad_nshortint;           // %hn
+    long int *pad_nlongint;             // %ln
+} wxPrintfArg;
+
+
+// Contains parsed data relative to a conversion specifier given to
+// wxMyPosVsnprintf_ and parsed from the format string
+// NOTE: in C++ there is almost no difference between struct & classes thus
+//       there is no performance gain by using a struct here...
+class wxPrintfConvSpec
 {
-    // buffer to avoid dynamic memory allocation each time for small strings
-    char szScratch[1024];
+public:
 
-    // number of characters in the buffer so far, must be less than lenMax
-    size_t lenCur = 0;
+    // the position of the argument relative to this conversion specifier
+    size_t pos;
+
+    // the type of this conversion specifier
+    wxPrintfArgType type;
+
+    // the minimum and maximum width
+    // when one of this var is set to -1 it means: use the following argument
+    // in the stack as minimum/maximum width for this conversion specifier
+    int min_width, max_width;
+
+    // does the argument need to the be aligned to left ?
+    bool adj_left;
+
+    // pointer to the '%' of this conversion specifier in the format string
+    // NOTE: this points somewhere in the string given to the Parse() function -
+    //       it's task of the caller ensure that memory is still valid !
+    const wxChar *argpos;
+
+    // pointer to the last character of this conversion specifier in the
+    // format string
+    // NOTE: this points somewhere in the string given to the Parse() function -
+    //       it's task of the caller ensure that memory is still valid !
+    const wxChar *argend;
+
+    // a little buffer where formatting flags like #+\.hlqLZ are stored by Parse()
+    // for use in Process()
+    char szFlags[wxMAX_SVNPRINTF_FLAGBUFFER_LEN];
+
+
+public:
+
+    // we don't declare this as a constructor otherwise it would be called
+    // automatically and we don't want this: to be optimized, wxMyPosVsnprintf_
+    // calls this function only on really-used instances of this class.
+    void Init();
+
+    // Parses the first conversion specifier in the given string, which must
+    // begin with a '%'. Returns false if the first '%' does not introduce a
+    // (valid) conversion specifier and thus should be ignored.
+    bool Parse(const wxChar *format);
+
+    // Process this conversion specifier and puts the result in the given
+    // buffer. Returns the number of characters written in 'buf' or -1 if
+    // there's not enough space.
+    int Process(wxChar *buf, size_t lenMax, wxPrintfArg *p);
 
-    for ( size_t n = 0; ; n++ )
+    // Loads the argument of this conversion specifier from given va_list.
+    bool LoadArg(wxPrintfArg *p, va_list &argptr);
+
+private:
+    // An helper function of LoadArg() which is used to handle the '*' flag
+    void ReplaceAsteriskWith(int w);
+};
+
+void wxPrintfConvSpec::Init()
+{
+    min_width = 0;
+    max_width = 0xFFFF;
+    pos = 0;
+    adj_left = false;
+    argpos = argend = NULL;
+    type = wxPAT_INVALID;
+    szFlags[0] = wxT('%');
+}
+
+bool wxPrintfConvSpec::Parse(const wxChar *format)
+{
+    bool done = false;
+
+    // temporary parse data
+    size_t flagofs = 1;
+    bool in_prec, prec_dot;
+    int ilen = 0;
+
+    adj_left = in_prec = prec_dot = false;
+    argpos = argend = format;
+    do
     {
-        const wxChar chCur = format[n];
+#define CHECK_PREC \
+        if (in_prec && !prec_dot) \
+        { \
+            szFlags[flagofs++] = '.'; \
+            prec_dot = true; \
+        }
 
-        if ( chCur == wxT('%') )
+        // what follows '%'?
+        const wxChar ch = *(++argend);
+        switch ( ch )
         {
-            static char s_szFlags[256] = "%";
-            size_t flagofs = 1;
-            bool adj_left = FALSE,
-                 in_prec = FALSE,
-                 prec_dot = FALSE,
-                 done = FALSE;
-            int ilen = 0;
-            size_t min_width = 0,
-                   max_width = wxSTRING_MAXLEN;
-            do
-            {
+            case wxT('\0'):
+                return false;       // not really an argument
+
+            case wxT('%'):
+                return false;       // not really an argument
+
+            case wxT('#'):
+            case wxT('0'):
+            case wxT(' '):
+            case wxT('+'):
+            case wxT('\''):
+                CHECK_PREC
+                szFlags[flagofs++] = ch;
+                break;
+
+            case wxT('-'):
+                CHECK_PREC
+                adj_left = true;
+                szFlags[flagofs++] = ch;
+                break;
+
+            case wxT('.'):
+                CHECK_PREC
+                in_prec = true;
+                prec_dot = false;
+                max_width = 0;
+                // dot will be auto-added to szFlags if non-negative
+                // number follows
+                break;
+
+            case wxT('h'):
+                ilen = -1;
+                CHECK_PREC
+                szFlags[flagofs++] = ch;
+                break;
+
+            case wxT('l'):
+                ilen = 1;
+                CHECK_PREC
+                szFlags[flagofs++] = ch;
+                break;
+
+            case wxT('q'):
+            case wxT('L'):
+                ilen = 2;
+                CHECK_PREC
+                szFlags[flagofs++] = ch;
+                break;
+
+            case wxT('Z'):
+                ilen = 3;
+                CHECK_PREC
+                szFlags[flagofs++] = ch;
+                break;
+
+            case wxT('*'):
+                if (in_prec)
+                {
+                    CHECK_PREC
 
-#define CHECK_PREC \
-                if (in_prec && !prec_dot) \
-                { \
-                    s_szFlags[flagofs++] = '.'; \
-                    prec_dot = TRUE; \
+                    // tell Process() to use the next argument
+                    // in the stack as maxwidth...
+                    max_width = -1;
+                }
+                else
+                {
+                    // tell Process() to use the next argument
+                    // in the stack as minwidth...
+                    min_width = -1;
+                }
+
+                // save the * in our formatting buffer...
+                // will be replaced later by Process()
+                szFlags[flagofs++] = ch;
+                break;
+
+            case wxT('1'): case wxT('2'): case wxT('3'):
+            case wxT('4'): case wxT('5'): case wxT('6'):
+            case wxT('7'): case wxT('8'): case wxT('9'):
+                {
+                    int len = 0;
+                    CHECK_PREC
+                    while ( (*argend >= wxT('0')) &&
+                            (*argend <= wxT('9')) )
+                    {
+                        szFlags[flagofs++] = *argend;
+                        len = len*10 + (*argend - wxT('0'));
+                        argend++;
+                    }
+
+                    if (in_prec)
+                        max_width = len;
+                    else
+                        min_width = len;
+
+                    argend--; // the main loop pre-increments n again
+                }
+                break;
+
+            case wxT('$'):      // a positional parameter (e.g. %2$s) ?
+                {
+                    if (min_width <= 0)
+                        break;      // ignore this formatting flag as no
+                                    // numbers are preceding it
+
+                    // remove from szFlags all digits previously added
+                    do {
+                        flagofs--;
+                    } while (szFlags[flagofs] >= '1' &&
+                             szFlags[flagofs] <= '9');
+
+                    // re-adjust the offset making it point to the
+                    // next free char of szFlags
+                    flagofs++;
+
+                    pos = min_width;
+                    min_width = 0;
+                }
+                break;
+
+            case wxT('d'):
+            case wxT('i'):
+            case wxT('o'):
+            case wxT('u'):
+            case wxT('x'):
+            case wxT('X'):
+                CHECK_PREC
+                szFlags[flagofs++] = ch;
+                szFlags[flagofs] = '\0';
+                if (ilen == 0)
+                    type = wxPAT_INT;
+                else if (ilen == -1)
+                    // NB: 'short int' value passed through '...'
+                    //      is promoted to 'int', so we have to get
+                    //      an int from stack even if we need a short
+                    type = wxPAT_INT;
+                else if (ilen == 1)
+                    type = wxPAT_LONGINT;
+                else if (ilen == 2)
+#if SIZEOF_LONG_LONG
+                    type = wxPAT_LONGLONGINT;
+#else // !long long
+                    type = wxPAT_LONGINT;
+#endif // long long/!long long
+                else if (ilen == 3)
+                    type = wxPAT_SIZET;
+                done = true;
+                break;
+
+            case wxT('e'):
+            case wxT('E'):
+            case wxT('f'):
+            case wxT('g'):
+            case wxT('G'):
+                CHECK_PREC
+                szFlags[flagofs++] = ch;
+                szFlags[flagofs] = '\0';
+                if (ilen == 2)
+                    type = wxPAT_LONGDOUBLE;
+                else
+                    type = wxPAT_DOUBLE;
+                done = true;
+                break;
+
+            case wxT('p'):
+                type = wxPAT_POINTER;
+                done = true;
+                break;
+
+            case wxT('c'):
+                if (ilen == -1)
+                {
+                    // in Unicode mode %hc == ANSI character
+                    // and in ANSI mode, %hc == %c == ANSI...
+                    type = wxPAT_CHAR;
+                }
+                else if (ilen == 1)
+                {
+                    // in ANSI mode %lc == Unicode character
+                    // and in Unicode mode, %lc == %c == Unicode...
+                    type = wxPAT_WCHAR;
+                }
+                else
+                {
+#if wxUSE_UNICODE
+                    // in Unicode mode, %c == Unicode character
+                    type = wxPAT_WCHAR;
+#else
+                    // in ANSI mode, %c == ANSI character
+                    type = wxPAT_CHAR;
+#endif
+                }
+                done = true;
+                break;
+
+            case wxT('s'):
+                if (ilen == -1)
+                {
+                    // Unicode mode wx extension: we'll let %hs mean non-Unicode
+                    // strings (when in ANSI mode, %s == %hs == ANSI string)
+                    type = wxPAT_PCHAR;
+                }
+                else if (ilen == 1)
+                {
+                    // in Unicode mode, %ls == %s == Unicode string
+                    // in ANSI mode, %ls == Unicode string
+                    type = wxPAT_PWCHAR;
+                }
+                else
+                {
+#if wxUSE_UNICODE
+                    type = wxPAT_PWCHAR;
+#else
+                    type = wxPAT_PCHAR;
+#endif
                 }
+                done = true;
+                break;
+
+            case wxT('n'):
+                if (ilen == 0)
+                        type = wxPAT_NINT;
+                else if (ilen == -1)
+                        type = wxPAT_NSHORTINT;
+                else if (ilen >= 1)
+                        type = wxPAT_NLONGINT;
+                done = true;
+                break;
+
+            default:
+                // bad format, don't consider this an argument;
+                // leave it unchanged
+                return false;
+        }
+    }
+    while (!done);
+
+    return true;        // parsing was successful
+}
+
+
+void wxPrintfConvSpec::ReplaceAsteriskWith(int w)
+{
+    char temp[wxMAX_SVNPRINTF_FLAGBUFFER_LEN];
+
+    // find the first * in our flag buffer
+    char *pwidth = strchr(szFlags, '*');
+    wxASSERT(pwidth);
+
+    // save what follows the * (the +1 is to skip it!)
+    strcpy(temp, pwidth+1);
+    if (w < 0) {
+        pwidth[0] = '-';
+        pwidth++;
+    }
+
+    // replace * with the actual integer given as width
+    int offset = ::sprintf(pwidth,"%d",abs(w));
+
+    // restore after the expanded * what was following it
+    strcpy(pwidth+offset, temp);
+}
+
+bool wxPrintfConvSpec::LoadArg(wxPrintfArg *p, va_list &argptr)
+{
+    // did the '*' width/precision specifier was used ?
+    if (max_width == -1)
+    {
+        // take the maxwidth specifier from the stack
+        max_width = va_arg(argptr, int);
+        if (max_width < 0)
+            max_width = 0;
+        else
+            ReplaceAsteriskWith(max_width);
+    }
+
+    if (min_width == -1)
+    {
+        // take the minwidth specifier from the stack
+        min_width = va_arg(argptr, int);
+
+        ReplaceAsteriskWith(min_width);
+        if (min_width < 0)
+        {
+            adj_left = !adj_left;
+            min_width = -min_width;
+        }
+    }
+
+    switch (type) {
+        case wxPAT_INT:
+            p->pad_int = va_arg(argptr, int);
+            break;
+        case wxPAT_LONGINT:
+            p->pad_longint = va_arg(argptr, long int);
+            break;
+#if SIZEOF_LONG_LONG
+        case wxPAT_LONGLONGINT:
+            p->pad_longlongint = va_arg(argptr, long long int);
+            break;
+#endif
+        case wxPAT_SIZET:
+            p->pad_sizet = va_arg(argptr, size_t);
+            break;
+        case wxPAT_DOUBLE:
+            p->pad_double = va_arg(argptr, double);
+            break;
+        case wxPAT_LONGDOUBLE:
+            p->pad_longdouble = va_arg(argptr, long double);
+            break;
+        case wxPAT_POINTER:
+            p->pad_pointer = va_arg(argptr, void *);
+            break;
+
+        case wxPAT_CHAR:
+            p->pad_char = va_arg(argptr, int);  // char is promoted to int when passed through '...'
+            break;
+        case wxPAT_WCHAR:
+            p->pad_wchar = va_arg(argptr, int);  // char is promoted to int when passed through '...'
+            break;
+
+        case wxPAT_PCHAR:
+            p->pad_pchar = va_arg(argptr, char *);
+            break;
+        case wxPAT_PWCHAR:
+            p->pad_pwchar = va_arg(argptr, wchar_t *);
+            break;
+
+        case wxPAT_NINT:
+            p->pad_nint = va_arg(argptr, int *);
+            break;
+        case wxPAT_NSHORTINT:
+            p->pad_nshortint = va_arg(argptr, short int *);
+            break;
+        case wxPAT_NLONGINT:
+            p->pad_nlongint = va_arg(argptr, long int *);
+            break;
+
+        case wxPAT_INVALID:
+        default:
+            return false;
+    }
+
+    return true;    // loading was successful
+}
+
+int wxPrintfConvSpec::Process(wxChar *buf, size_t lenMax, wxPrintfArg *p)
+{
+    // buffer to avoid dynamic memory allocation each time for small strings
+    static char szScratch[1024];
+    size_t lenCur = 0;
 
 #define APPEND_CH(ch) \
-                if ( lenCur == lenMax ) \
-                    return -1; \
-                \
-                buf[lenCur++] = ch
+                { \
+                    if ( lenCur == lenMax ) \
+                        return -1; \
+                    \
+                    buf[lenCur++] = ch; \
+                }
 
 #define APPEND_STR(s) \
                 { \
@@ -211,312 +705,303 @@ int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
                     } \
                 }
 
-                // what follows '%'?
-                const wxChar ch = format[++n];
-                switch ( ch )
-                {
-                    case wxT('\0'):
-                        APPEND_CH(_T('\0'));
+    switch ( type )
+    {
+        case wxPAT_INT:
+            ::sprintf(szScratch, szFlags, p->pad_int);
+            break;
 
-                        done = TRUE;
-                        break;
+        case wxPAT_LONGINT:
+            ::sprintf(szScratch, szFlags, p->pad_longint);
+            break;
 
-                    case wxT('%'):
-                        APPEND_CH(_T('%'));
-                        done = TRUE;
-                        break;
+#if SIZEOF_LONG_LONG
+        case wxPAT_LONGLONGINT:
+            ::sprintf(szScratch, szFlags, p->pad_longlongint);
+            break;
+#endif // SIZEOF_LONG_LONG
 
-                    case wxT('#'):
-                    case wxT('0'):
-                    case wxT(' '):
-                    case wxT('+'):
-                    case wxT('\''):
-                        CHECK_PREC
-                        s_szFlags[flagofs++] = ch;
-                        break;
+        case wxPAT_SIZET:
+            ::sprintf(szScratch, szFlags, p->pad_sizet);
+            break;
 
-                    case wxT('-'):
-                        CHECK_PREC
-                        adj_left = TRUE;
-                        s_szFlags[flagofs++] = ch;
-                        break;
+        case wxPAT_LONGDOUBLE:
+            ::sprintf(szScratch, szFlags, p->pad_longdouble);
+            break;
 
-                    case wxT('.'):
-                        CHECK_PREC
-                        in_prec = TRUE;
-                        prec_dot = FALSE;
-                        max_width = 0;
-                        // dot will be auto-added to s_szFlags if non-negative
-                        // number follows
-                        break;
+        case wxPAT_DOUBLE:
+            ::sprintf(szScratch, szFlags, p->pad_double);
+            break;
 
-                    case wxT('h'):
-                        ilen = -1;
-                        CHECK_PREC
-                        s_szFlags[flagofs++] = ch;
-                        break;
+        case wxPAT_POINTER:
+            ::sprintf(szScratch, szFlags, p->pad_pointer);
+            break;
 
-                    case wxT('l'):
-                        ilen = 1;
-                        CHECK_PREC
-                        s_szFlags[flagofs++] = ch;
-                        break;
+        case wxPAT_CHAR:
+        case wxPAT_WCHAR:
+            {
+                wxChar val =
+#if wxUSE_UNICODE
+                    p->pad_wchar;
 
-                    case wxT('q'):
-                    case wxT('L'):
-                        ilen = 2;
-                        CHECK_PREC
-                        s_szFlags[flagofs++] = ch;
-                        break;
+                if (type == wxPAT_CHAR) {
+                    // user passed a character explicitely indicated as ANSI...
+                    const char buf[2] = { p->pad_char, 0 };
+                    val = wxString(buf, wxConvLibc)[0u];
+                }
+#else
+                    p->pad_char;
 
-                    case wxT('Z'):
-                        ilen = 3;
-                        CHECK_PREC
-                        s_szFlags[flagofs++] = ch;
-                        break;
+#if wxUSE_WCHAR_T
+                if (type == wxPAT_WCHAR) {
+                    // user passed a character explicitely indicated as Unicode...
+                    const wchar_t buf[2] = { p->pad_wchar, 0 };
+                    val = wxString(buf, wxConvLibc)[0u];
+                }
+#endif
+#endif
 
-                    case wxT('*'):
-                        {
-                            int len = va_arg(argptr, int);
-                            if (in_prec)
-                            {
-                                if (len<0) break;
-                                CHECK_PREC
-                                    max_width = len;
-                            }
-                            else
-                            {
-                                if (len<0)
-                                {
-                                    adj_left = !adj_left;
-                                    s_szFlags[flagofs++] = '-';
-                                    len = -len;
-                                }
-                                min_width = len;
-                            }
-                            flagofs += ::sprintf(s_szFlags+flagofs,"%d",len);
-                        }
-                        break;
+                size_t i;
 
-                    case wxT('1'): case wxT('2'): case wxT('3'):
-                    case wxT('4'): case wxT('5'): case wxT('6'):
-                    case wxT('7'): case wxT('8'): case wxT('9'):
-                        {
-                            int len = 0;
-                            CHECK_PREC
-                            while ( (format[n] >= wxT('0')) &&
-                                    (format[n] <= wxT('9')) )
-                            {
-                                s_szFlags[flagofs++] = format[n];
-                                len = len*10 + (format[n] - wxT('0'));
-                                n++;
-                            }
-
-                            if (in_prec)
-                                max_width = len;
-                            else
-                                min_width = len;
-
-                            n--; // the main loop pre-increments n again
-                        }
-                        break;
+                if (!adj_left)
+                    for (i = 1; i < (size_t)min_width; i++)
+                        APPEND_CH(_T(' '));
 
-                    case wxT('d'):
-                    case wxT('i'):
-                    case wxT('o'):
-                    case wxT('u'):
-                    case wxT('x'):
-                    case wxT('X'):
-                        CHECK_PREC
-                        s_szFlags[flagofs++] = ch;
-                        s_szFlags[flagofs] = '\0';
-                        if (ilen == 0 )
-                        {
-                            int val = va_arg(argptr, int);
-                            ::sprintf(szScratch, s_szFlags, val);
-                        }
-                        else if (ilen == -1)
-                        {
-                            // NB: 'short int' value passed through '...'
-                            //      is promoted to 'int', so we have to get
-                            //      an int from stack even if we need a short
-                            short int val = (short int) va_arg(argptr, int);
-                            ::sprintf(szScratch, s_szFlags, val);
-                        }
-                        else if (ilen == 1)
-                        {
-                            long int val = va_arg(argptr, long int);
-                            ::sprintf(szScratch, s_szFlags, val);
-                        }
-                        else if (ilen == 2)
-                        {
-#if SIZEOF_LONG_LONG
-                            long long int val = va_arg(argptr, long long int);
-                            ::sprintf(szScratch, s_szFlags, val);
-#else // !long long
-                            long int val = va_arg(argptr, long int);
-                            ::sprintf(szScratch, s_szFlags, val);
-#endif // long long/!long long
-                        }
-                        else if (ilen == 3)
-                        {
-                            size_t val = va_arg(argptr, size_t);
-                            ::sprintf(szScratch, s_szFlags, val);
-                        }
-
-                        {
-                            const wxMB2WXbuf tmp =
-                                wxConvLibc.cMB2WX(szScratch);
-                            APPEND_STR(tmp);
-                        }
-
-                        done = TRUE;
-                        break;
+                APPEND_CH(val);
 
-                    case wxT('e'):
-                    case wxT('E'):
-                    case wxT('f'):
-                    case wxT('g'):
-                    case wxT('G'):
-                        CHECK_PREC
-                        s_szFlags[flagofs++] = ch;
-                        s_szFlags[flagofs] = '\0';
-                        if (ilen == 2)
-                        {
-                            long double val = va_arg(argptr, long double);
-                            ::sprintf(szScratch, s_szFlags, val);
-                        }
-                        else
-                        {
-                            double val = va_arg(argptr, double);
-                            ::sprintf(szScratch, s_szFlags, val);
-                        }
-
-                        {
-                            const wxMB2WXbuf tmp =
-                                wxConvLibc.cMB2WX(szScratch);
-                            APPEND_STR(tmp);
-                        }
-
-                        done = TRUE;
-                        break;
+                if (adj_left)
+                    for (i = 1; i < (size_t)min_width; i++)
+                        APPEND_CH(_T(' '));
+            }
+            break;
 
-                    case wxT('p'):
-                        {
-                            void *val = va_arg(argptr, void *);
-                            CHECK_PREC
-                            s_szFlags[flagofs++] = ch;
-                            s_szFlags[flagofs] = '\0';
-                            ::sprintf(szScratch, s_szFlags, val);
+        case wxPAT_PCHAR:
+        case wxPAT_PWCHAR:
+            {
+                wxString s;
+                const wxChar *val =
+#if wxUSE_UNICODE
+                    p->pad_pwchar;
 
-                            const wxMB2WXbuf tmp =
-                                wxConvLibc.cMB2WX(szScratch);
-                            APPEND_STR(tmp);
+                if (type == wxPAT_PCHAR) {
+                    // user passed a string explicitely indicated as ANSI...
+                    val = wxString(p->pad_pchar, wxConvLibc);
+                }
+#else
+                    p->pad_pchar;
 
-                            done = TRUE;
-                        }
-                        break;
+#if wxUSE_WCHAR_T
+                if (type == wxPAT_PWCHAR) {
+                    // user passed a string explicitely indicated as Unicode...
+                    val = wxString(p->pad_pwchar, wxConvLibc);
+                }
+#endif
+#endif
+                int len;
 
-                    case wxT('c'):
-                        {
-                            wxChar val = va_arg(argptr, int);
-                            // we don't need to honor padding here, do we?
-                            APPEND_CH(val);
+                if (val)
+                {
+#if wxUSE_STRUTILS
+                    len = wxMin(max_width, wxStrlen(val));
+#else
+                    for ( len = 0; val[len] && (len < max_width); len++ )
+                        ;
+#endif
+                }
+                else if (max_width >= 6)
+                {
+                    val = wxT("(null)");
+                    len = 6;
+                }
+                else
+                {
+                    val = wxEmptyString;
+                    len = 0;
+                }
 
-                            done = TRUE;
-                        }
-                        break;
+                int i;
 
-                    case wxT('s'):
-                        if (ilen == -1)
-                        {
-                            // wx extension: we'll let %hs mean non-Unicode
-                            // strings
-                            char *val = va_arg(argptr, char *);
-#if wxUSE_UNICODE
-                            // ASCII->Unicode constructor handles max_width
-                            // right
-                            wxString s(val, wxConvLibc, max_width);
+                if (!adj_left)
+                {
+                    for (i = len; i < min_width; i++)
+                        APPEND_CH(_T(' '));
+                }
+
+#if wxUSE_STRUTILS
+                len = wxMin(len, lenMax-lenCur);
+                wxStrncpy(buf+lenCur, val, len);
+                lenCur += len;
 #else
-                            size_t len = wxSTRING_MAXLEN;
-                            if (val)
-                            {
-                                for ( len = 0;
-                                      val[len] && (len < max_width);
-                                      len++ )
-                                    ;
-                            }
-                            else
-                                val = wxT("(null)");
-                            wxString s(val, len);
+                for (i = 0; i < len; i++)
+                    APPEND_CH(val[i]);
 #endif
-                            if (s.Len() < min_width)
-                                s.Pad(min_width - s.Len(), wxT(' '), adj_left);
-
-                            APPEND_STR(s);
-                        }
-                        else
-                        {
-                            wxChar *val = va_arg(argptr, wxChar *);
-                            size_t len = wxSTRING_MAXLEN;
-                            if (val)
-                            {
-                                for ( len = 0;
-                                      val[len] && (len < max_width);
-                                      len++ )
-                                    ;
-                            }
-                            else
-                                val = wxT("(null)");
-
-                            wxString s(val, len);
-                            if (s.Len() < min_width)
-                                s.Pad(min_width - s.Len(), wxT(' '), adj_left);
-
-                            APPEND_STR(s);
-                        }
-                        done = TRUE;
-                        break;
-
-                    case wxT('n'):
-                        if (ilen == 0)
-                        {
-                            int *val = va_arg(argptr, int *);
-                            *val = lenCur;
-                        }
-                        else if (ilen == -1)
-                        {
-                            short int *val = va_arg(argptr, short int *);
-                            *val = lenCur;
-                        }
-                        else if (ilen >= 1)
-                        {
-                            long int *val = va_arg(argptr, long int *);
-                            *val = lenCur;
-                        }
-                        done = TRUE;
-                        break;
 
-                    default:
-                        // bad format, leave unchanged
-                        APPEND_CH(_T('%'));
-                        APPEND_CH(ch);
-                        done = TRUE;
-                        break;
+                if (adj_left)
+                {
+                    for (i = len; i < min_width; i++)
+                        APPEND_CH(_T(' '));
                 }
             }
-            while (!done);
-        }
-        else
+            break;
+
+        case wxPAT_NINT:
+            *p->pad_nint = lenCur;
+            break;
+
+        case wxPAT_NSHORTINT:
+            *p->pad_nshortint = lenCur;
+            break;
+
+        case wxPAT_NLONGINT:
+            *p->pad_nlongint = lenCur;
+            break;
+
+        case wxPAT_INVALID:
+        default:
+            return -1;
+    }
+
+    // if we used system's sprintf() then we now need to append the s_szScratch
+    // buffer to the given one...
+    switch (type)
+    {
+        case wxPAT_INT:
+        case wxPAT_LONGINT:
+#if SIZEOF_LONG_LONG
+        case wxPAT_LONGLONGINT:
+#endif
+        case wxPAT_SIZET:
+        case wxPAT_LONGDOUBLE:
+        case wxPAT_DOUBLE:
+        case wxPAT_POINTER:
+#if wxUSE_STRUTILS
+            {
+               const wxMB2WXbuf tmp = wxConvLibc.cMB2WX(szScratch);
+               size_t len = wxMin(lenMax, wxStrlen(tmp));
+               wxStrncpy(buf, tmp, len);
+               lenCur += len;
+            }
+#else
+            {
+                const wxMB2WXbuf tmp =
+                    wxConvLibc.cMB2WX(szScratch);
+                APPEND_STR(tmp);
+            }
+#endif
+            break;
+
+        default:
+            break;      // all other cases were completed previously
+    }
+
+    return lenCur;
+}
+
+int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
+                             const wxChar *format, va_list argptr)
+{
+    // cached data
+    static wxPrintfConvSpec arg[wxMAX_SVNPRINTF_ARGUMENTS];
+    static wxPrintfArg argdata[wxMAX_SVNPRINTF_ARGUMENTS];
+    static wxPrintfConvSpec *pspec[wxMAX_SVNPRINTF_ARGUMENTS] = { NULL };
+
+    size_t i;
+
+    // number of characters in the buffer so far, must be less than lenMax
+    size_t lenCur = 0;
+
+    size_t nargs = 0;
+    const wxChar *toparse = format;
+
+    // parse the format string
+    bool posarg_present = false, nonposarg_present = false;
+    for (; *toparse != wxT('\0'); toparse++)
+    {
+        if (*toparse == wxT('%') )
         {
-            APPEND_CH(chCur);
+            arg[nargs].Init();
+
+            // let's see if this is a (valid) conversion specifier...
+            if (arg[nargs].Parse(toparse))
+            {
+                // ...yes it is
+                wxPrintfConvSpec *current = &arg[nargs];
+
+                // make toparse point to the end of this specifier
+                toparse = current->argend;
+
+                if (current->pos > 0) {
+                    // the positionals start from number 1... adjust the index
+                    current->pos--;
+                    posarg_present = true;
+                } else {
+                    // not a positional argument...
+                    current->pos = nargs;
+                    nonposarg_present = true;
+                }
+
+                // this conversion specifier is tied to the pos-th argument...
+                pspec[current->pos] = current;
+                nargs++;
+
+                if (nargs == wxMAX_SVNPRINTF_ARGUMENTS)
+                    break;  // cannot handle any additional conv spec
+            }
         }
+    }
 
-        // terminating NUL?
-        if ( !chCur )
-            break;
+    if (posarg_present && nonposarg_present)
+        return -1;      // format strings with both positional and
+                        // non-positional conversion specifier are unsupported !!
+
+    // now load arguments from stack
+    for (i=0; i < nargs; i++) {
+        if (!pspec[i])
+            return -1;  // user forgot a positional parameter (e.g. %$1s %$3s) ?
+        if (!pspec[i]->LoadArg(&argdata[i], argptr))
+            return -1;  // this means that wxPrintfConvSpec::Parse failed
+                        // to set its 'type' to a valid value...
+    }
+
+    // finally, process each conversion specifier with its own argument
+    toparse = format;
+    for (i=0; i < nargs; i++)
+    {
+        // copy in the output buffer the portion of the format string between
+        // last specifier and the current one
+        size_t tocopy = ( arg[i].argpos - toparse );
+        if (lenCur+tocopy >= lenMax)
+            return -1;      // not enough space in the output buffer !
+
+        wxStrncpy(buf+lenCur, toparse, tocopy);
+        lenCur += tocopy;
+
+        // process this specifier directly in the output buffer
+        int n = arg[i].Process(buf+lenCur, lenMax - lenCur, &argdata[arg[i].pos]);
+        if (n == -1)
+            return -1;      // not enough space in the output buffer !
+        lenCur += n;
+
+        // the +1 is because wxPrintfConvSpec::argend points to the last character
+        // of the format specifier, but we are not interested to it...
+        toparse = arg[i].argend + 1;
     }
 
+    // copy portion of the format string after last specifier
+    // NOTE: toparse is pointing to the character just after the last processed
+    //       conversion specifier
+    // NOTE2: the +1 is because we want to copy also the '\0'
+    size_t tocopy = wxStrlen(format) + 1  - ( toparse - format ) ;
+    if (lenCur+tocopy >= lenMax)
+        return -1;      // not enough space in the output buffer !
+    wxStrncpy(buf+lenCur, toparse, tocopy);
+    lenCur += tocopy - 1;   // the -1 is because of the '\0'
+
+    // clean the static array portion used...
+    // NOTE: other arrays do not need cleanup!
+    memset(pspec, 0, sizeof(wxPrintfConvSpec*)*nargs);
+
+    wxASSERT(lenCur == wxStrlen(buf));
     return lenCur;
 }
 
@@ -540,27 +1025,60 @@ int WXDLLEXPORT wxSnprintf_(wxChar *buf, size_t len, const wxChar *format, ...)
 }
 #endif // wxSnprintf_
 
+#if defined(__DMC__)
+    /* Digital Mars adds count to _stprintf (C99) so convert */
+    #if wxUSE_UNICODE
+        int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... )
+        {
+            va_list arglist;
+
+            va_start( arglist, format );
+            int iLen = swprintf ( s, -1, format, arglist );
+            va_end( arglist );
+            return iLen ;
+        }
+
+    #endif // wxUSE_UNICODE
+
+#endif //__DMC__
+
 // ----------------------------------------------------------------------------
 // implement the standard IO functions for wide char if libc doesn't have them
 // ----------------------------------------------------------------------------
 
-#ifdef wxNEED_FPUTWC
-
+#ifdef wxNEED_FPUTS
 int wxFputs(const wchar_t *ws, FILE *stream)
 {
     // counting the number of wide characters written isn't worth the trouble,
     // simply distinguish between ok and error
     return fputs(wxConvLibc.cWC2MB(ws), stream) == -1 ? -1 : 0;
 }
+#endif // wxNEED_FPUTS
+
+#ifdef wxNEED_PUTS
+int wxPuts(const wxChar *ws)
+{
+    int rc = wxFputs(ws, stdout);
+    if ( rc != -1 )
+    {
+        if ( wxFputs(L"\n", stdout) == -1 )
+            return -1;
+
+        rc++;
+    }
+
+    return rc;
+}
+#endif // wxNEED_PUTS
 
+#ifdef wxNEED_PUTC
 int /* not wint_t */ wxPutc(wchar_t wc, FILE *stream)
 {
     wchar_t ws[2] = { wc, L'\0' };
 
     return wxFputs(ws, stream);
 }
-
-#endif // wxNEED_FPUTWC
+#endif // wxNEED_PUTC
 
 // NB: we only implement va_list functions here, the ones taking ... are
 //     defined below for wxNEED_PRINTF_CONVERSION case anyhow and we reuse
@@ -577,9 +1095,19 @@ int vwscanf(const wxChar *format, va_list argptr)
 
 int vswscanf(const wxChar *ws, const wxChar *format, va_list argptr)
 {
-    wxFAIL_MSG( _T("TODO") );
-
-    return -1;
+    // 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") );
+
+    va_list argcopy;
+    wxVaCopy(argcopy, argptr);
+    return vsscanf(wxConvLibc.cWX2MB(ws), wxConvLibc.cWX2MB(format), argcopy);
 }
 
 int vfwscanf(FILE *stream, const wxChar *format, va_list argptr)
@@ -599,7 +1127,7 @@ int vfwprintf(FILE *stream, const wxChar *format, va_list argptr)
     if ( rc != -1 )
     {
         // we can't do much better without Unicode support in libc...
-        if ( fprintf(stream, "%s", s.mb_str()) == -1 )
+        if ( fprintf(stream, "%s", (const char*)s.mb_str() ) == -1 )
             return -1;
     }
 
@@ -644,7 +1172,7 @@ int vwprintf(const wxChar *format, va_list argptr)
    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):
 
-   wxWindows specifier      POSIX specifier
+   wxWidgets specifier      POSIX specifier
    ----------------------------------------
 
    %hc, %C, %hC             %c
@@ -714,10 +1242,10 @@ private:
                ch == _T('0') || ch == _T(' ') || ch == _T('#');
     }
 
-    void SkipDigits(const wxChar **ppc)
+    void SkipDigits(const wxChar **ptpc)
     {
-        while ( **ppc >= _T('0') && **ppc <= _T('9') )
-            CopyFmtChar(*(*ppc)++);
+        while ( **ptpc >= _T('0') && **ptpc <= _T('9') )
+            CopyFmtChar(*(*ptpc)++);
     }
 
     // the translated format
@@ -752,7 +1280,11 @@ wxFormatConverter::wxFormatConverter(const wxChar *format)
             // precision?
             if ( *format == _T('.') )
             {
-                SkipDigits(&format);
+                CopyFmtChar(*format++);
+                if ( *format == _T('*') )
+                    CopyFmtChar(*format++);
+                else
+                    SkipDigits(&format);
             }
 
             // next we can have a size modifier
@@ -799,23 +1331,14 @@ wxFormatConverter::wxFormatConverter(const wxChar *format)
                 case _T('c'):
                 case _T('s'):
                     // %c -> %lc but %hc stays %hc and %lc is still %lc
-                    switch ( size )
-                    {
-                        case Default:
-                            InsertFmtChar(_T('l'));
-                            break;
-
-                        case Short:
-                            CopyFmtChar(_T('h'));
-                            break;
-
-                        case Long:
-                            ;
-                    }
+                    if ( size == Default)
+                        InsertFmtChar(_T('l'));
                     // fall through
 
                 default:
                     // nothing special to do
+                    if ( size != Default )
+                        CopyFmtChar(*(format - 1));
                     CopyFmtChar(*format++);
             }
         }
@@ -827,6 +1350,14 @@ wxFormatConverter::wxFormatConverter(const wxChar *format)
     #define wxFormatConverter(x) (x)
 #endif // wxNEED_PRINTF_CONVERSION/!wxNEED_PRINTF_CONVERSION
 
+#ifdef __WXDEBUG__
+// For testing the format converter
+wxString wxConvertFormat(const wxChar *format)
+{
+    return wxString(wxFormatConverter(format));
+}
+#endif
+
 // ----------------------------------------------------------------------------
 // wxPrintf(), wxScanf() and relatives
 // ----------------------------------------------------------------------------
@@ -899,12 +1430,14 @@ int wxSprintf( wxChar *str, const wxChar *format, ... )
     va_list argptr;
     va_start(argptr, format);
 
-    // callers of wxSprintf() deserve what they get
-    int ret = vswprintf( str, UINT_MAX, wxFormatConverter(format), argptr );
+    // note that wxString::FormatV() uses wxVsnprintf(), not wxSprintf(), so
+    // it's safe to implement this one in terms of it
+    wxString s(wxString::FormatV(format, argptr));
+    wxStrcpy(str, s);
 
     va_end(argptr);
 
-    return ret;
+    return s.length();
 }
 
 int wxFprintf( FILE *stream, const wxChar *format, ... )
@@ -944,7 +1477,7 @@ int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list argptr
 int wxVsprintf( wxChar *str, const wxChar *format, va_list argptr )
 {
     // same as for wxSprintf()
-    return vswprintf(str, UINT_MAX, wxFormatConverter(format), argptr);
+    return vswprintf(str, INT_MAX / 4, wxFormatConverter(format), argptr);
 }
 
 #endif // wxNEED_PRINTF_CONVERSION
@@ -965,7 +1498,7 @@ inline WORD wxMSW_ctype(wxChar ch)
 
 WXDLLEXPORT int wxIsalnum(wxChar ch) { return IsCharAlphaNumeric(ch); }
 WXDLLEXPORT int wxIsalpha(wxChar ch) { return IsCharAlpha(ch); }
-WXDLLEXPORT int wxIsctrl(wxChar ch) { return wxMSW_ctype(ch) & C1_CNTRL; }
+WXDLLEXPORT int wxIscntrl(wxChar ch) { return wxMSW_ctype(ch) & C1_CNTRL; }
 WXDLLEXPORT int wxIsdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_DIGIT; }
 WXDLLEXPORT int wxIsgraph(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_PUNCT|C1_ALPHA); }
 WXDLLEXPORT int wxIslower(wxChar ch) { return IsCharLower(ch); }
@@ -978,6 +1511,85 @@ WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)CharLower((LPTSTR)(ch)); }
 WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)CharUpper((LPTSTR)(ch)); }
 #endif
 
+#ifdef wxNEED_WX_MBSTOWCS
+
+WXDLLEXPORT size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen)
+{
+    if (!out)
+    {
+        size_t outsize = 0;
+        while(*in++)
+            outsize++;
+        return outsize;
+    }
+
+    const char* origin = in;
+
+    while (outlen-- && *in)
+    {
+        *out++ = (wchar_t) *in++;
+    }
+
+    *out = '\0';
+
+    return in - origin;
+}
+
+WXDLLEXPORT size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen)
+{
+    if (!out)
+    {
+        size_t outsize = 0;
+        while(*in++)
+            outsize++;
+        return outsize;
+    }
+
+    const wchar_t* origin = in;
+
+    while (outlen-- && *in)
+    {
+        *out++ = (char) *in++;
+    }
+
+    *out = '\0';
+
+    return in - origin;
+}
+
+#endif // wxNEED_WX_MBSTOWCS
+
+#if defined(wxNEED_WX_CTYPE_H)
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#define cfalnumset CFCharacterSetGetPredefined(kCFCharacterSetAlphaNumeric)
+#define cfalphaset CFCharacterSetGetPredefined(kCFCharacterSetLetter)
+#define cfcntrlset CFCharacterSetGetPredefined(kCFCharacterSetControl)
+#define cfdigitset CFCharacterSetGetPredefined(kCFCharacterSetDecimalDigit)
+//CFCharacterSetRef cfgraphset = kCFCharacterSetControl && !' '
+#define cflowerset CFCharacterSetGetPredefined(kCFCharacterSetLowercaseLetter)
+//CFCharacterSetRef cfprintset = !kCFCharacterSetControl
+#define cfpunctset CFCharacterSetGetPredefined(kCFCharacterSetPunctuation)
+#define cfspaceset CFCharacterSetGetPredefined(kCFCharacterSetWhitespaceAndNewline)
+#define cfupperset CFCharacterSetGetPredefined(kCFCharacterSetUppercaseLetter)
+
+WXDLLEXPORT int wxIsalnum(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalnumset, ch); }
+WXDLLEXPORT int wxIsalpha(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalphaset, ch); }
+WXDLLEXPORT int wxIscntrl(wxChar ch) { return CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
+WXDLLEXPORT int wxIsdigit(wxChar ch) { return CFCharacterSetIsCharacterMember(cfdigitset, ch); }
+WXDLLEXPORT int wxIsgraph(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch) && ch != ' '; }
+WXDLLEXPORT int wxIslower(wxChar ch) { return CFCharacterSetIsCharacterMember(cflowerset, ch); }
+WXDLLEXPORT int wxIsprint(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
+WXDLLEXPORT int wxIspunct(wxChar ch) { return CFCharacterSetIsCharacterMember(cfpunctset, ch); }
+WXDLLEXPORT int wxIsspace(wxChar ch) { return CFCharacterSetIsCharacterMember(cfspaceset, ch); }
+WXDLLEXPORT int wxIsupper(wxChar ch) { return CFCharacterSetIsCharacterMember(cfupperset, ch); }
+WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxIsdigit(ch) || (ch>='a' && ch<='f') || (ch>='A' && ch<='F'); }
+WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)tolower((char)(ch)); }
+WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)toupper((char)(ch)); }
+
+#endif  // wxNEED_WX_CTYPE_H
+
 #ifndef wxStrdupA
 
 WXDLLEXPORT char *wxStrdupA(const char *s)
@@ -1028,9 +1640,20 @@ int WXDLLEXPORT wxStrnicmp(const wxChar *s1, const wxChar *s2, size_t n)
 #ifndef wxSetlocale
 WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
 {
-    char *localeOld = setlocale(category, wxConvLocal.cWX2MB(locale));
+    char *localeOld = setlocale(category, wxConvLibc.cWX2MB(locale));
+
+    return wxWCharBuffer(wxConvLibc.cMB2WC(localeOld));
+}
+#endif
+
+#if wxUSE_WCHAR_T && !defined(HAVE_WCSLEN)
+WXDLLEXPORT size_t wxWcslen(const wchar_t *s)
+{
+    size_t n = 0;
+    while ( *s++ )
+        n++;
 
-    return wxWCharBuffer(wxConvLocal.cMB2WC(localeOld));
+    return n;
 }
 #endif
 
@@ -1039,6 +1662,12 @@ WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
 // ----------------------------------------------------------------------------
 
 #ifdef wxNEED_WX_STRING_H
+
+// RN:  These need to be c externed for the regex lib
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src)
 {
   wxChar *ret = dest;
@@ -1074,6 +1703,16 @@ WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src)
   return ret;
 }
 
+WXDLLEXPORT size_t wxStrlen_(const wxChar *s)
+{
+    size_t n = 0;
+    while ( *s++ )
+        n++;
+
+    return n;
+}
+
+
 WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n)
 {
   wxChar *ret = dest;
@@ -1131,7 +1770,7 @@ WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept)
 
 WXDLLEXPORT const wxChar *wxStrstr(const wxChar *haystack, const wxChar *needle)
 {
-    wxCHECK_RET( needle, NULL, _T("NULL argument in wxStrstr") );
+    wxASSERT_MSG( needle != NULL, _T("NULL argument in wxStrstr") );
 
     // VZ: this is not exactly the most efficient string search algorithm...
 
@@ -1148,6 +1787,10 @@ WXDLLEXPORT const wxChar *wxStrstr(const wxChar *haystack, const wxChar *needle)
     return NULL;
 }
 
+#ifdef __cplusplus
+}
+#endif
+
 WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr)
 {
   const wxChar *start = nptr;
@@ -1167,7 +1810,7 @@ WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr)
   }
 
   wxString data(nptr, nptr-start);
-  wxWX2MBbuf dat = data.mb_str(wxConvLocal);
+  wxWX2MBbuf dat = data.mb_str(wxConvLibc);
   char *rdat = wxMBSTRINGCAST dat;
   double ret = strtod(dat, &rdat);
 
@@ -1194,8 +1837,8 @@ WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
   while ((wxIsdigit(*nptr) && (*nptr - wxT('0') < base)) ||
          (wxIsalpha(*nptr) && (wxToupper(*nptr) - wxT('A') + 10 < base))) nptr++;
 
-  wxString data(nptr, nptr-start);
-  wxWX2MBbuf dat = data.mb_str(wxConvLocal);
+  wxString data(start, nptr-start);
+  wxWX2MBbuf dat = data.mb_str(wxConvLibc);
   char *rdat = wxMBSTRINGCAST dat;
   long int ret = strtol(dat, &rdat, base);
 
@@ -1203,29 +1846,13 @@ WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
 
   return ret;
 }
-#endif // wxNEED_WX_STRING_H
-
-#if defined(__WXMAC__) && !defined(__DARWIN__)
-WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
-{
-    return fopen( wxMacStringToCString(path), mode );
-}
 
-WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream)
-{
-    return freopen( wxMacStringToCString(path), mode, stream );
-}
-
-WXDLLEXPORT int wxRemove(const wxChar *path)
+WXDLLEXPORT unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base)
 {
-    return remove( wxMacStringToCString(path) );
+    return (unsigned long int) wxStrtol(nptr, endptr, base);
 }
 
-WXDLLEXPORT int wxRename(const wxChar *oldpath, const wxChar *newpath)
-{
-    return rename( wxMacStringToCString(oldpath), wxMacStringToCString(newpath) );
-}
-#endif
+#endif // wxNEED_WX_STRING_H
 
 #ifdef wxNEED_WX_STDIO_H
 WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
@@ -1265,10 +1892,10 @@ double   WXDLLEXPORT wxAtof(const wxChar *psz)
     wxString str(psz);
     if (str.ToDouble(& d))
         return d;
-    else
-        return 0.0;
+
+    return 0.0;
 #else
-    return atof(wxConvLocal.cWX2MB(psz));
+    return atof(wxConvLibc.cWX2MB(psz));
 #endif
 }
 #endif
@@ -1276,77 +1903,77 @@ double   WXDLLEXPORT wxAtof(const wxChar *psz)
 #ifdef wxNEED_WX_STDLIB_H
 int      WXDLLEXPORT wxAtoi(const wxChar *psz)
 {
-  return atoi(wxConvLocal.cWX2MB(psz));
+  return atoi(wxConvLibc.cWX2MB(psz));
 }
 
 long     WXDLLEXPORT wxAtol(const wxChar *psz)
 {
-  return atol(wxConvLocal.cWX2MB(psz));
+  return atol(wxConvLibc.cWX2MB(psz));
 }
 
 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
 {
-  static wxHashTable env;
-
-  // check if we already have stored the converted env var
-  wxObject *data = env.Get(name);
-  if (!data)
-  {
-    // nope, retrieve it,
 #if wxUSE_UNICODE
-    wxCharBuffer buffer = wxConvLocal.cWX2MB(name);
-    // printf( "buffer %s\n", (const char*) buffer );
-    const char *val = getenv( (const char *)buffer );
-#else
-    const char *val = getenv( name );
-#endif
-
-    if (!val) return (wxChar *)NULL;
-    // printf( "home %s\n", val );
-
-    // convert it,
-#ifdef wxUSE_UNICODE
-    data = (wxObject *)new wxString(val, wxConvLocal);
+    // 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((wxChar*)NULL);
+    value = wxConvLibc.cMB2WX(getenv(wxConvLibc.cWX2MB(name)));
+    return value.data();
 #else
-    data = (wxObject *)new wxString(val);
+    return getenv(name);
 #endif
-
-    // and store it
-    env.Put(name, data);
-  }
-  // return converted env var
-  return (wxChar *)((wxString *)data)->c_str();
 }
 
 int WXDLLEXPORT wxSystem(const wxChar *psz)
 {
-    return system(wxConvLocal.cWX2MB(psz));
+    return system(wxConvLibc.cWX2MB(psz));
 }
 
 #endif // wxNEED_WX_STDLIB_H
 
 #ifdef wxNEED_WX_TIME_H
-WXDLLEXPORT size_t   wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const struct tm *tm)
+WXDLLEXPORT size_t
+wxStrftime(wxChar *s, size_t maxsize, const wxChar *fmt, const struct tm *tm)
 {
-    if (!max) return 0;
+    if ( !maxsize )
+        return 0;
 
-    char *buf = (char *)malloc(max);
-    size_t ret = strftime(buf, max, wxConvLocal.cWX2MB(fmt), tm);
-    if (ret)
-    {
-        wxStrcpy(s, wxConvLocal.cMB2WX(buf));
-        free(buf);
-        return wxStrlen(s);
-    }
-    else
-    {
-        free(buf);
-        *s = 0;
+    wxCharBuffer buf(maxsize);
+
+    wxCharBuffer bufFmt(wxConvLibc.cWX2MB(fmt));
+    if ( !bufFmt )
         return 0;
-  }
+
+    size_t ret = strftime(buf.data(), maxsize, bufFmt, tm);
+    if  ( !ret )
+        return 0;
+
+    wxWCharBuffer wbuf = wxConvLibc.cMB2WX(buf);
+    if ( !wbuf )
+        return 0;
+
+    wxStrncpy(s, wbuf, maxsize);
+    return wxStrlen(s);
 }
 #endif // wxNEED_WX_TIME_H
 
+#ifndef wxCtime
+WXDLLEXPORT wxChar *wxCtime(const time_t *timep)
+{
+    // normally the string is 26 chars but give one more in case some broken
+    // DOS compiler decides to use "\r\n" instead of "\n" at the end
+    static wxChar buf[27];
+
+    // ctime() is guaranteed to return a string containing only ASCII
+    // characters, as its format is always the same for any locale
+    wxStrncpy(buf, wxString::FromAscii(ctime(timep)), WXSIZEOF(buf));
+    buf[WXSIZEOF(buf) - 1] = _T('\0');
+
+    return buf;
+}
+#endif // wxCtime
+
 #endif // wxUSE_WCHAR_T
 
 // ----------------------------------------------------------------------------
@@ -1392,8 +2019,8 @@ WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_pt
 // missing C RTL functions
 // ----------------------------------------------------------------------------
 
-#if defined( __MWERKS__ ) && !defined(__MACH__)
-#if __MSL__ < 0x00008000
+#ifdef wxNEED_STRDUP
+
 char *strdup(const char *s)
 {
     char *dest = (char*) malloc( strlen( s ) + 1 ) ;
@@ -1401,10 +2028,24 @@ char *strdup(const char *s)
         strcpy( dest , s ) ;
     return dest ;
 }
-#endif
-int isascii( int c )
+#endif // wxNEED_STRDUP
+
+#if defined(__WXWINCE__) && (_WIN32_WCE <= 211)
+
+void *calloc( size_t num, size_t size )
+{
+    void** ptr = (void **)malloc(num * size);
+    memset( ptr, 0, num * size);
+    return ptr;
+}
+
+#endif // __WXWINCE__ <= 211
+
+#ifdef __WXWINCE__
+
+int wxRemove(const wxChar *path)
 {
-        return ( c >= 0 && c < 128 ) ;
+    return ::DeleteFile(path) == 0;
 }
-#endif // __MWERKS__
 
+#endif