src/common/wxchar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/wxchar.cpp
   3 // Purpose:     wxChar implementation
   4 // Author:      Ove Kåven
   5 // Modified by: Ron Lee
   6 // Created:     09/04/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets copyright
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // headers, declarations, constants
  14 // ===========================================================================
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #define _ISOC9X_SOURCE 1 // to get vsscanf()
  24 #define _BSD_SOURCE    1 // to still get strdup()
  25
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30 #ifndef __WXWINCE__
  31     #include <time.h>
  32     #include <locale.h>
  33 #else
  34     #include "wx/msw/wince/time.h"
  35 #endif
  36
  37 #ifndef WX_PRECOMP
  38     #include "wx/wxchar.h"
  39     #include "wx/string.h"
  40     #include "wx/hash.h"
  41 #endif
  42
  43 #if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
  44   #include <windef.h>
  45     #include <winbase.h>
  46     #include <winnls.h>
  47     #include <winnt.h>
  48 #endif
  49
  50 #if defined(__MWERKS__) && __MSL__ >= 0x6000
  51 namespace std {}
  52 using namespace std ;
  53 #endif
  54
  55 #ifdef __WXMAC__
  56     #include "wx/mac/private.h"
  57 #endif
  58
  59 #if wxUSE_WCHAR_T
  60 size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
  61 {
  62   // assume that we have mbsrtowcs() too if we have wcsrtombs()
  63 #ifdef HAVE_WCSRTOMBS
  64   mbstate_t mbstate;
  65   memset(&mbstate, 0, sizeof(mbstate_t));
  66 #endif
  67
  68   if (buf) {
  69     if (!n || !*psz) {
  70       if (n) *buf = wxT('\0');
  71       return 0;
  72     }
  73 #ifdef HAVE_WCSRTOMBS
  74     return mbsrtowcs(buf, &psz, n, &mbstate);
  75 #else
  76     return wxMbstowcs(buf, psz, n);
  77 #endif
  78   }
  79
  80   // note that we rely on common (and required by Unix98 but unfortunately not
  81   // C99) extension which allows to call mbs(r)towcs() with NULL output pointer
  82   // to just get the size of the needed buffer -- this is needed as otherwise
  83   // we have no idea about how much space we need and if the CRT doesn't
  84   // support it (the only currently known example being Metrowerks, see
  85   // wx/wxchar.h) we don't use its mbstowcs() at all
  86 #ifdef HAVE_WCSRTOMBS
  87   return mbsrtowcs((wchar_t *) NULL, &psz, 0, &mbstate);
  88 #else
  89   return wxMbstowcs((wchar_t *) NULL, psz, 0);
  90 #endif
  91 }
  92
  93 size_t WXDLLEXPORT wxWC2MB(char *buf, const wchar_t *pwz, size_t n)
  94 {
  95 #ifdef HAVE_WCSRTOMBS
  96   mbstate_t mbstate;
  97   memset(&mbstate, 0, sizeof(mbstate_t));
  98 #endif
  99
 100   if (buf) {
 101     if (!n || !*pwz) {
 102       // glibc2.1 chokes on null input
 103       if (n) *buf = '\0';
 104       return 0;
 105     }
 106 #ifdef HAVE_WCSRTOMBS
 107     return wcsrtombs(buf, &pwz, n, &mbstate);
 108 #else
 109     return wxWcstombs(buf, pwz, n);
 110 #endif
 111   }
 112
 113 #ifdef HAVE_WCSRTOMBS
 114   return wcsrtombs((char *) NULL, &pwz, 0, &mbstate);
 115 #else
 116   return wxWcstombs((char *) NULL, pwz, 0);
 117 #endif
 118 }
 119 #endif // wxUSE_WCHAR_T
 120
 121 bool WXDLLEXPORT wxOKlibc()
 122 {
 123 #if wxUSE_WCHAR_T && defined(__UNIX__) && defined(__GLIBC__) && !defined(__WINE__)
 124   // glibc 2.0 uses UTF-8 even when it shouldn't
 125   wchar_t res = 0;
 126   if ((MB_CUR_MAX == 2) &&
 127       (wxMB2WC(&res, "\xdd\xa5", 1) == 1) &&
 128       (res==0x765)) {
 129     // this is UTF-8 allright, check whether that's what we want
 130     char *cur_locale = setlocale(LC_CTYPE, NULL);
 131     if ((strlen(cur_locale) < 4) ||
 132             (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
 133             (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
 134       // nope, don't use libc conversion
 135       return false;
 136     }
 137   }
 138 #endif
 139   return true;
 140 }
 141
 142 // ============================================================================
 143 // printf() functions business
 144 // ============================================================================
 145
 146 // special test mode: define all functions below even if we don't really need
 147 // them to be able to test them
 148 #ifdef wxTEST_PRINTF
 149     #undef wxFprintf
 150     #undef wxPrintf
 151     #undef wxSprintf
 152     #undef wxVfprintf
 153     #undef wxVsprintf
 154     #undef wxVprintf
 155     #undef wxVsnprintf_
 156     #undef wxSnprintf_
 157
 158     #define wxNEED_WPRINTF
 159
 160     int wxVfprintf( FILE *stream, const wxChar *format, va_list argptr );
 161 #endif
 162
 163 // ----------------------------------------------------------------------------
 164 // implement [v]snprintf() if the system doesn't provide a safe one
 165 // ----------------------------------------------------------------------------
 166
 167 #if !defined(wxVsnprintf_)
 168 int WXDLLEXPORT wxVsnprintf_(wxChar *buf, size_t lenMax,
 169                              const wxChar *format, va_list argptr)
 170 {
 171     // buffer to avoid dynamic memory allocation each time for small strings
 172     char szScratch[1024];
 173
 174     // number of characters in the buffer so far, must be less than lenMax
 175     size_t lenCur = 0;
 176
 177     for ( size_t n = 0; ; n++ )
 178     {
 179         const wxChar chCur = format[n];
 180
 181         if ( chCur == wxT('%') )
 182         {
 183             static char s_szFlags[256] = "%";
 184             size_t flagofs = 1;
 185             bool adj_left = false,
 186                  in_prec = false,
 187                  prec_dot = false,
 188                  done = false;
 189             int ilen = 0;
 190             size_t min_width = 0,
 191                    max_width = wxSTRING_MAXLEN;
 192             do
 193             {
 194
 195 #define CHECK_PREC \
 196                 if (in_prec && !prec_dot) \
 197                 { \
 198                     s_szFlags[flagofs++] = '.'; \
 199                     prec_dot = true; \
 200                 }
 201
 202 #define APPEND_CH(ch) \
 203                 { \
 204                     if ( lenCur == lenMax ) \
 205                         return -1; \
 206                     \
 207                     buf[lenCur++] = ch; \
 208                 }
 209
 210 #define APPEND_STR(s) \
 211                 { \
 212                     for ( const wxChar *p = s; *p; p++ ) \
 213                     { \
 214                         APPEND_CH(*p); \
 215                     } \
 216                 }
 217
 218                 // what follows '%'?
 219                 const wxChar ch = format[++n];
 220                 switch ( ch )
 221                 {
 222                     case wxT('\0'):
 223                         APPEND_CH(_T('\0'));
 224
 225                         done = true;
 226                         break;
 227
 228                     case wxT('%'):
 229                         APPEND_CH(_T('%'));
 230                         done = true;
 231                         break;
 232
 233                     case wxT('#'):
 234                     case wxT('0'):
 235                     case wxT(' '):
 236                     case wxT('+'):
 237                     case wxT('\''):
 238                         CHECK_PREC
 239                         s_szFlags[flagofs++] = ch;
 240                         break;
 241
 242                     case wxT('-'):
 243                         CHECK_PREC
 244                         adj_left = true;
 245                         s_szFlags[flagofs++] = ch;
 246                         break;
 247
 248                     case wxT('.'):
 249                         CHECK_PREC
 250                         in_prec = true;
 251                         prec_dot = false;
 252                         max_width = 0;
 253                         // dot will be auto-added to s_szFlags if non-negative
 254                         // number follows
 255                         break;
 256
 257                     case wxT('h'):
 258                         ilen = -1;
 259                         CHECK_PREC
 260                         s_szFlags[flagofs++] = ch;
 261                         break;
 262
 263                     case wxT('l'):
 264                         ilen = 1;
 265                         CHECK_PREC
 266                         s_szFlags[flagofs++] = ch;
 267                         break;
 268
 269                     case wxT('q'):
 270                     case wxT('L'):
 271                         ilen = 2;
 272                         CHECK_PREC
 273                         s_szFlags[flagofs++] = ch;
 274                         break;
 275
 276                     case wxT('Z'):
 277                         ilen = 3;
 278                         CHECK_PREC
 279                         s_szFlags[flagofs++] = ch;
 280                         break;
 281
 282                     case wxT('*'):
 283                         {
 284                             int len = va_arg(argptr, int);
 285                             if (in_prec)
 286                             {
 287                                 if (len<0) break;
 288                                 CHECK_PREC
 289                                     max_width = len;
 290                             }
 291                             else
 292                             {
 293                                 if (len<0)
 294                                 {
 295                                     adj_left = !adj_left;
 296                                     s_szFlags[flagofs++] = '-';
 297                                     len = -len;
 298                                 }
 299                                 min_width = len;
 300                             }
 301                             flagofs += ::sprintf(s_szFlags+flagofs,"%d",len);
 302                         }
 303                         break;
 304
 305                     case wxT('1'): case wxT('2'): case wxT('3'):
 306                     case wxT('4'): case wxT('5'): case wxT('6'):
 307                     case wxT('7'): case wxT('8'): case wxT('9'):
 308                         {
 309                             int len = 0;
 310                             CHECK_PREC
 311                             while ( (format[n] >= wxT('0')) &&
 312                                     (format[n] <= wxT('9')) )
 313                             {
 314                                 s_szFlags[flagofs++] = format[n];
 315                                 len = len*10 + (format[n] - wxT('0'));
 316                                 n++;
 317                             }
 318
 319                             if (in_prec)
 320                                 max_width = len;
 321                             else
 322                                 min_width = len;
 323
 324                             n--; // the main loop pre-increments n again
 325                         }
 326                         break;
 327
 328                     case wxT('d'):
 329                     case wxT('i'):
 330                     case wxT('o'):
 331                     case wxT('u'):
 332                     case wxT('x'):
 333                     case wxT('X'):
 334                         CHECK_PREC
 335                         s_szFlags[flagofs++] = ch;
 336                         s_szFlags[flagofs] = '\0';
 337                         if (ilen == 0 )
 338                         {
 339                             int val = va_arg(argptr, int);
 340                             ::sprintf(szScratch, s_szFlags, val);
 341                         }
 342                         else if (ilen == -1)
 343                         {
 344                             // NB: 'short int' value passed through '...'
 345                             //      is promoted to 'int', so we have to get
 346                             //      an int from stack even if we need a short
 347                             short int val = (short int) va_arg(argptr, int);
 348                             ::sprintf(szScratch, s_szFlags, val);
 349                         }
 350                         else if (ilen == 1)
 351                         {
 352                             long int val = va_arg(argptr, long int);
 353                             ::sprintf(szScratch, s_szFlags, val);
 354                         }
 355                         else if (ilen == 2)
 356                         {
 357 #if SIZEOF_LONG_LONG
 358                             long long int val = va_arg(argptr, long long int);
 359                             ::sprintf(szScratch, s_szFlags, val);
 360 #else // !long long
 361                             long int val = va_arg(argptr, long int);
 362                             ::sprintf(szScratch, s_szFlags, val);
 363 #endif // long long/!long long
 364                         }
 365                         else if (ilen == 3)
 366                         {
 367                             size_t val = va_arg(argptr, size_t);
 368                             ::sprintf(szScratch, s_szFlags, val);
 369                         }
 370
 371                         {
 372                             const wxMB2WXbuf tmp =
 373                                 wxConvLibc.cMB2WX(szScratch);
 374                             APPEND_STR(tmp);
 375                         }
 376
 377                         done = true;
 378                         break;
 379
 380                     case wxT('e'):
 381                     case wxT('E'):
 382                     case wxT('f'):
 383                     case wxT('g'):
 384                     case wxT('G'):
 385                         CHECK_PREC
 386                         s_szFlags[flagofs++] = ch;
 387                         s_szFlags[flagofs] = '\0';
 388                         if (ilen == 2)
 389                         {
 390                             long double val = va_arg(argptr, long double);
 391                             ::sprintf(szScratch, s_szFlags, val);
 392                         }
 393                         else
 394                         {
 395                             double val = va_arg(argptr, double);
 396                             ::sprintf(szScratch, s_szFlags, val);
 397                         }
 398
 399                         {
 400                             const wxMB2WXbuf tmp =
 401                                 wxConvLibc.cMB2WX(szScratch);
 402                             APPEND_STR(tmp);
 403                         }
 404
 405                         done = true;
 406                         break;
 407
 408                     case wxT('p'):
 409                         {
 410                             void *val = va_arg(argptr, void *);
 411                             CHECK_PREC
 412                             s_szFlags[flagofs++] = ch;
 413                             s_szFlags[flagofs] = '\0';
 414                             ::sprintf(szScratch, s_szFlags, val);
 415
 416                             const wxMB2WXbuf tmp =
 417                                 wxConvLibc.cMB2WX(szScratch);
 418                             APPEND_STR(tmp);
 419
 420                             done = true;
 421                         }
 422                         break;
 423
 424                     case wxT('c'):
 425                         {
 426                             int val = va_arg(argptr, int);
 427 #if wxUSE_UNICODE
 428                             if (ilen == -1)
 429                             {
 430                                 const char buf[2] = { val, 0 };
 431                                 val = wxString(buf, wxConvLibc)[0u];
 432                             }
 433 #elif wxUSE_WCHAR_T
 434                             if (ilen == 1)
 435                             {
 436                                 const wchar_t buf[2] = { val, 0 };
 437                                 val = wxString(buf, wxConvLibc)[0u];
 438                             }
 439 #endif
 440                             size_t i;
 441
 442                             if (!adj_left)
 443                                 for (i = 1; i < min_width; i++)
 444                                     APPEND_CH(_T(' '));
 445
 446                             APPEND_CH(val);
 447
 448                             if (adj_left)
 449                                 for (i = 1; i < min_width; i++)
 450                                     APPEND_CH(_T(' '));
 451
 452                             done = true;
 453                         }
 454                         break;
 455
 456                     case wxT('s'):
 457                         {
 458                             const wxChar *val = NULL;
 459 #if wxUSE_UNICODE
 460                             wxString s;
 461
 462                             if (ilen == -1)
 463                             {
 464                                 // wx extension: we'll let %hs mean non-Unicode
 465                                 // strings
 466                                 char *v = va_arg(argptr, char *);
 467
 468                                 if (v)
 469                                     val = s = wxString(v, wxConvLibc);
 470                             }
 471                             else
 472 #elif wxUSE_WCHAR_T
 473                             wxString s;
 474
 475                             if (ilen == 1)
 476                             {
 477                                 // %ls means Unicode strings
 478                                 wchar_t *v = va_arg(argptr, wchar_t *);
 479
 480                                 if (v)
 481                                     val = s = wxString(v, wxConvLibc);
 482                             }
 483                             else
 484 #endif
 485                             {
 486                                 val = va_arg(argptr, wxChar *);
 487                             }
 488
 489                             size_t len = 0;
 490
 491                             if (val)
 492                             {
 493                                 for ( len = 0;
 494                                       val[len] && (len < max_width);
 495                                       len++ )
 496                                     ;
 497                             }
 498                             else if (max_width >= 6)
 499                             {
 500                                 val = wxT("(null)");
 501                                 len = 6;
 502                             }
 503                             else
 504                             {
 505                                 val = wxEmptyString;
 506                                 len = 0;
 507                             }
 508
 509                             size_t i;
 510
 511                             if (!adj_left)
 512                                 for (i = len; i < min_width; i++)
 513                                     APPEND_CH(_T(' '));
 514
 515                             for (i = 0; i < len; i++)
 516                                 APPEND_CH(val[i]);
 517
 518                             if (adj_left)
 519                                 for (i = len; i < min_width; i++)
 520                                     APPEND_CH(_T(' '));
 521
 522                             done = true;
 523                         }
 524                         break;
 525
 526                     case wxT('n'):
 527                         if (ilen == 0)
 528                         {
 529                             int *val = va_arg(argptr, int *);
 530                             *val = lenCur;
 531                         }
 532                         else if (ilen == -1)
 533                         {
 534                             short int *val = va_arg(argptr, short int *);
 535                             *val = lenCur;
 536                         }
 537                         else if (ilen >= 1)
 538                         {
 539                             long int *val = va_arg(argptr, long int *);
 540                             *val = lenCur;
 541                         }
 542                         done = true;
 543                         break;
 544
 545                     default:
 546                         // bad format, leave unchanged
 547                         APPEND_CH(_T('%'));
 548                         APPEND_CH(ch);
 549                         done = true;
 550                         break;
 551                 }
 552             }
 553             while (!done);
 554         }
 555         else
 556         {
 557             APPEND_CH(chCur);
 558         }
 559
 560         // terminating NUL?
 561         if ( !chCur )
 562             break;
 563     }
 564
 565     return lenCur;
 566 }
 567
 568 #undef APPEND_CH
 569 #undef APPEND_STR
 570 #undef CHECK_PREC
 571
 572 #endif // !wxVsnprintfA
 573
 574 #if !defined(wxSnprintf_)
 575 int WXDLLEXPORT wxSnprintf_(wxChar *buf, size_t len, const wxChar *format, ...)
 576 {
 577     va_list argptr;
 578     va_start(argptr, format);
 579
 580     int iLen = wxVsnprintf_(buf, len, format, argptr);
 581
 582     va_end(argptr);
 583
 584     return iLen;
 585 }
 586 #endif // wxSnprintf_
 587
 588 #if defined(__DMC__)
 589     /* Digital Mars adds count to _stprintf (C99) so convert */
 590     #if wxUSE_UNICODE
 591         int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... )
 592         {
 593             va_list arglist;
 594
 595             va_start( arglist, format );
 596             int iLen = swprintf ( s, -1, format, arglist );
 597             va_end( arglist );
 598             return iLen ;
 599         }
 600
 601     #endif // wxUSE_UNICODE
 602
 603 #endif //__DMC__
 604
 605 // ----------------------------------------------------------------------------
 606 // implement the standard IO functions for wide char if libc doesn't have them
 607 // ----------------------------------------------------------------------------
 608
 609 #ifdef wxNEED_FPUTS
 610 int wxFputs(const wchar_t *ws, FILE *stream)
 611 {
 612     // counting the number of wide characters written isn't worth the trouble,
 613     // simply distinguish between ok and error
 614     return fputs(wxConvLibc.cWC2MB(ws), stream) == -1 ? -1 : 0;
 615 }
 616 #endif // wxNEED_FPUTS
 617
 618 #ifdef wxNEED_PUTS
 619 int wxPuts(const wxChar *ws)
 620 {
 621     int rc = wxFputs(ws, stdout);
 622     if ( rc != -1 )
 623     {
 624         if ( wxFputs(L"\n", stdout) == -1 )
 625             return -1;
 626
 627         rc++;
 628     }
 629
 630     return rc;
 631 }
 632 #endif // wxNEED_PUTS
 633
 634 #ifdef wxNEED_PUTC
 635 int /* not wint_t */ wxPutc(wchar_t wc, FILE *stream)
 636 {
 637     wchar_t ws[2] = { wc, L'\0' };
 638
 639     return wxFputs(ws, stream);
 640 }
 641 #endif // wxNEED_PUTC
 642
 643 // NB: we only implement va_list functions here, the ones taking ... are
 644 //     defined below for wxNEED_PRINTF_CONVERSION case anyhow and we reuse
 645 //     the definitions there to avoid duplicating them here
 646 #ifdef wxNEED_WPRINTF
 647
 648 // TODO: implement the scanf() functions
 649 int vwscanf(const wxChar *format, va_list argptr)
 650 {
 651     wxFAIL_MSG( _T("TODO") );
 652
 653     return -1;
 654 }
 655
 656 int vswscanf(const wxChar *ws, const wxChar *format, va_list argptr)
 657 {
 658     // The best we can do without proper Unicode support in glibc is to
 659     // convert the strings into MB representation and run ANSI version
 660     // of the function. This doesn't work with %c and %s because of difference
 661     // in size of char and wchar_t, though.
 662
 663     wxCHECK_MSG( wxStrstr(format, _T("%s")) == NULL, -1,
 664                  _T("incomplete vswscanf implementation doesn't allow %s") );
 665     wxCHECK_MSG( wxStrstr(format, _T("%c")) == NULL, -1,
 666                  _T("incomplete vswscanf implementation doesn't allow %c") );
 667
 668     va_list argcopy;
 669     wxVaCopy(argcopy, argptr);
 670     return vsscanf(wxConvLibc.cWX2MB(ws), wxConvLibc.cWX2MB(format), argcopy);
 671 }
 672
 673 int vfwscanf(FILE *stream, const wxChar *format, va_list argptr)
 674 {
 675     wxFAIL_MSG( _T("TODO") );
 676
 677     return -1;
 678 }
 679
 680 #define vswprintf wxVsnprintf_
 681
 682 int vfwprintf(FILE *stream, const wxChar *format, va_list argptr)
 683 {
 684     wxString s;
 685     int rc = s.PrintfV(format, argptr);
 686
 687     if ( rc != -1 )
 688     {
 689         // we can't do much better without Unicode support in libc...
 690         if ( fprintf(stream, "%s", (const char*)s.mb_str() ) == -1 )
 691             return -1;
 692     }
 693
 694     return rc;
 695 }
 696
 697 int vwprintf(const wxChar *format, va_list argptr)
 698 {
 699     return wxVfprintf(stdout, format, argptr);
 700 }
 701
 702 #endif // wxNEED_WPRINTF
 703
 704 #ifdef wxNEED_PRINTF_CONVERSION
 705
 706 // ----------------------------------------------------------------------------
 707 // wxFormatConverter: class doing the "%s" -> "%ls" conversion
 708 // ----------------------------------------------------------------------------
 709
 710 /*
 711    Here are the gory details. We want to follow the Windows/MS conventions,
 712    that is to have
 713
 714    In ANSI mode:
 715
 716    format specifier         results in
 717    -----------------------------------
 718    %c, %hc, %hC             char
 719    %lc, %C, %lC             wchar_t
 720
 721    In Unicode mode:
 722
 723    format specifier         results in
 724    -----------------------------------
 725    %hc, %C, %hC             char
 726    %c, %lc, %lC             wchar_t
 727
 728
 729    while on POSIX systems we have %C identical to %lc and %c always means char
 730    (in any mode) while %lc always means wchar_t,
 731
 732    So to use native functions in order to get our semantics we must do the
 733    following translations in Unicode mode (nothing to do in ANSI mode):
 734
 735    wxWidgets specifier      POSIX specifier
 736    ----------------------------------------
 737
 738    %hc, %C, %hC             %c
 739    %c                       %lc
 740
 741
 742    And, of course, the same should be done for %s as well.
 743 */
 744
 745 class wxFormatConverter
 746 {
 747 public:
 748     wxFormatConverter(const wxChar *format);
 749
 750     // notice that we only translated the string if m_fmtOrig == NULL (as set
 751     // by CopyAllBefore()), otherwise we should simply use the original format
 752     operator const wxChar *() const
 753         { return m_fmtOrig ? m_fmtOrig : m_fmt.c_str(); }
 754
 755 private:
 756     // copy another character to the translated format: this function does the
 757     // copy if we are translating but doesn't do anything at all if we don't,
 758     // so we don't create the translated format string at all unless we really
 759     // need to (i.e. InsertFmtChar() is called)
 760     wxChar CopyFmtChar(wxChar ch)
 761     {
 762         if ( !m_fmtOrig )
 763         {
 764             // we're translating, do copy
 765             m_fmt += ch;
 766         }
 767         else
 768         {
 769             // simply increase the count which should be copied by
 770             // CopyAllBefore() later if needed
 771             m_nCopied++;
 772         }
 773
 774         return ch;
 775     }
 776
 777     // insert an extra character
 778     void InsertFmtChar(wxChar ch)
 779     {
 780         if ( m_fmtOrig )
 781         {
 782             // so far we haven't translated anything yet
 783             CopyAllBefore();
 784         }
 785
 786         m_fmt += ch;
 787     }
 788
 789     void CopyAllBefore()
 790     {
 791         wxASSERT_MSG( m_fmtOrig && m_fmt.empty(), _T("logic error") );
 792
 793         m_fmt = wxString(m_fmtOrig, m_nCopied);
 794
 795         // we won't need it any longer
 796         m_fmtOrig = NULL;
 797     }
 798
 799     static bool IsFlagChar(wxChar ch)
 800     {
 801         return ch == _T('-') || ch == _T('+') ||
 802                ch == _T('0') || ch == _T(' ') || ch == _T('#');
 803     }
 804
 805     void SkipDigits(const wxChar **ptpc)
 806     {
 807         while ( **ptpc >= _T('0') && **ptpc <= _T('9') )
 808             CopyFmtChar(*(*ptpc)++);
 809     }
 810
 811     // the translated format
 812     wxString m_fmt;
 813
 814     // the original format
 815     const wxChar *m_fmtOrig;
 816
 817     // the number of characters already copied
 818     size_t m_nCopied;
 819 };
 820
 821 wxFormatConverter::wxFormatConverter(const wxChar *format)
 822 {
 823     m_fmtOrig = format;
 824     m_nCopied = 0;
 825
 826     while ( *format )
 827     {
 828         if ( CopyFmtChar(*format++) == _T('%') )
 829         {
 830             // skip any flags
 831             while ( IsFlagChar(*format) )
 832                 CopyFmtChar(*format++);
 833
 834             // and possible width
 835             if ( *format == _T('*') )
 836                 CopyFmtChar(*format++);
 837             else
 838                 SkipDigits(&format);
 839
 840             // precision?
 841             if ( *format == _T('.') )
 842             {
 843                 CopyFmtChar(*format++);
 844                 if ( *format == _T('*') )
 845                     CopyFmtChar(*format++);
 846                 else
 847                     SkipDigits(&format);
 848             }
 849
 850             // next we can have a size modifier
 851             enum
 852             {
 853                 Default,
 854                 Short,
 855                 Long
 856             } size;
 857
 858             switch ( *format )
 859             {
 860                 case _T('h'):
 861                     size = Short;
 862                     format++;
 863                     break;
 864
 865                 case _T('l'):
 866                     // "ll" has a different meaning!
 867                     if ( format[1] != _T('l') )
 868                     {
 869                         size = Long;
 870                         format++;
 871                         break;
 872                     }
 873                     //else: fall through
 874
 875                 default:
 876                     size = Default;
 877             }
 878
 879             // and finally we should have the type
 880             switch ( *format )
 881             {
 882                 case _T('C'):
 883                 case _T('S'):
 884                     // %C and %hC -> %c and %lC -> %lc
 885                     if ( size == Long )
 886                         CopyFmtChar(_T('l'));
 887
 888                     InsertFmtChar(*format++ == _T('C') ? _T('c') : _T('s'));
 889                     break;
 890
 891                 case _T('c'):
 892                 case _T('s'):
 893                     // %c -> %lc but %hc stays %hc and %lc is still %lc
 894                     if ( size == Default)
 895                         InsertFmtChar(_T('l'));
 896                     // fall through
 897
 898                 default:
 899                     // nothing special to do
 900                     if ( size != Default )
 901                         CopyFmtChar(*(format - 1));
 902                     CopyFmtChar(*format++);
 903             }
 904         }
 905     }
 906 }
 907
 908 #else // !wxNEED_PRINTF_CONVERSION
 909     // no conversion necessary
 910     #define wxFormatConverter(x) (x)
 911 #endif // wxNEED_PRINTF_CONVERSION/!wxNEED_PRINTF_CONVERSION
 912
 913 #ifdef __WXDEBUG__
 914 // For testing the format converter
 915 wxString wxConvertFormat(const wxChar *format)
 916 {
 917     return wxString(wxFormatConverter(format));
 918 }
 919 #endif
 920
 921 // ----------------------------------------------------------------------------
 922 // wxPrintf(), wxScanf() and relatives
 923 // ----------------------------------------------------------------------------
 924
 925 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
 926
 927 int wxScanf( const wxChar *format, ... )
 928 {
 929     va_list argptr;
 930     va_start(argptr, format);
 931
 932     int ret = vwscanf(wxFormatConverter(format), argptr );
 933
 934     va_end(argptr);
 935
 936     return ret;
 937 }
 938
 939 int wxSscanf( const wxChar *str, const wxChar *format, ... )
 940 {
 941     va_list argptr;
 942     va_start(argptr, format);
 943
 944     int ret = vswscanf( str, wxFormatConverter(format), argptr );
 945
 946     va_end(argptr);
 947
 948     return ret;
 949 }
 950
 951 int wxFscanf( FILE *stream, const wxChar *format, ... )
 952 {
 953     va_list argptr;
 954     va_start(argptr, format);
 955     int ret = vfwscanf(stream, wxFormatConverter(format), argptr);
 956
 957     va_end(argptr);
 958
 959     return ret;
 960 }
 961
 962 int wxPrintf( const wxChar *format, ... )
 963 {
 964     va_list argptr;
 965     va_start(argptr, format);
 966
 967     int ret = vwprintf( wxFormatConverter(format), argptr );
 968
 969     va_end(argptr);
 970
 971     return ret;
 972 }
 973
 974 #ifndef wxSnprintf
 975 int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... )
 976 {
 977     va_list argptr;
 978     va_start(argptr, format);
 979
 980     int ret = vswprintf( str, size, wxFormatConverter(format), argptr );
 981
 982     va_end(argptr);
 983
 984     return ret;
 985 }
 986 #endif // wxSnprintf
 987
 988 int wxSprintf( wxChar *str, const wxChar *format, ... )
 989 {
 990     va_list argptr;
 991     va_start(argptr, format);
 992
 993     // note that wxString::FormatV() uses wxVsnprintf(), not wxSprintf(), so
 994     // it's safe to implement this one in terms of it
 995     wxString s(wxString::FormatV(format, argptr));
 996     wxStrcpy(str, s);
 997
 998     va_end(argptr);
 999
1000     return s.length();
1001 }
1002
1003 int wxFprintf( FILE *stream, const wxChar *format, ... )
1004 {
1005     va_list argptr;
1006     va_start( argptr, format );
1007
1008     int ret = vfwprintf( stream, wxFormatConverter(format), argptr );
1009
1010     va_end(argptr);
1011
1012     return ret;
1013 }
1014
1015 int wxVsscanf( const wxChar *str, const wxChar *format, va_list argptr )
1016 {
1017     return vswscanf( str, wxFormatConverter(format), argptr );
1018 }
1019
1020 int wxVfprintf( FILE *stream, const wxChar *format, va_list argptr )
1021 {
1022     return vfwprintf( stream, wxFormatConverter(format), argptr );
1023 }
1024
1025 int wxVprintf( const wxChar *format, va_list argptr )
1026 {
1027     return vwprintf( wxFormatConverter(format), argptr );
1028 }
1029
1030 #ifndef wxVsnprintf
1031 int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list argptr )
1032 {
1033     return vswprintf( str, size, wxFormatConverter(format), argptr );
1034 }
1035 #endif // wxVsnprintf
1036
1037 int wxVsprintf( wxChar *str, const wxChar *format, va_list argptr )
1038 {
1039     // same as for wxSprintf()
1040     return vswprintf(str, INT_MAX / 4, wxFormatConverter(format), argptr);
1041 }
1042
1043 #endif // wxNEED_PRINTF_CONVERSION
1044
1045 #if wxUSE_WCHAR_T
1046
1047 // ----------------------------------------------------------------------------
1048 // ctype.h stuff (currently unused)
1049 // ----------------------------------------------------------------------------
1050
1051 #if defined(__WIN32__) && defined(wxNEED_WX_CTYPE_H)
1052 inline WORD wxMSW_ctype(wxChar ch)
1053 {
1054   WORD ret;
1055   GetStringTypeEx(LOCALE_USER_DEFAULT, CT_CTYPE1, &ch, 1, &ret);
1056   return ret;
1057 }
1058
1059 WXDLLEXPORT int wxIsalnum(wxChar ch) { return IsCharAlphaNumeric(ch); }
1060 WXDLLEXPORT int wxIsalpha(wxChar ch) { return IsCharAlpha(ch); }
1061 WXDLLEXPORT int wxIscntrl(wxChar ch) { return wxMSW_ctype(ch) & C1_CNTRL; }
1062 WXDLLEXPORT int wxIsdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_DIGIT; }
1063 WXDLLEXPORT int wxIsgraph(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_PUNCT|C1_ALPHA); }
1064 WXDLLEXPORT int wxIslower(wxChar ch) { return IsCharLower(ch); }
1065 WXDLLEXPORT int wxIsprint(wxChar ch) { return wxMSW_ctype(ch) & (C1_DIGIT|C1_SPACE|C1_PUNCT|C1_ALPHA); }
1066 WXDLLEXPORT int wxIspunct(wxChar ch) { return wxMSW_ctype(ch) & C1_PUNCT; }
1067 WXDLLEXPORT int wxIsspace(wxChar ch) { return wxMSW_ctype(ch) & C1_SPACE; }
1068 WXDLLEXPORT int wxIsupper(wxChar ch) { return IsCharUpper(ch); }
1069 WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxMSW_ctype(ch) & C1_XDIGIT; }
1070 WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)CharLower((LPTSTR)(ch)); }
1071 WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)CharUpper((LPTSTR)(ch)); }
1072 #endif
1073
1074 #ifdef wxNEED_WX_MBSTOWCS
1075
1076 WXDLLEXPORT size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen)
1077 {
1078     if (!out)
1079     {
1080         size_t outsize = 0;
1081         while(*in++)
1082             outsize++;
1083         return outsize;
1084     }
1085
1086     const char* origin = in;
1087
1088     while (outlen-- && *in)
1089     {
1090         *out++ = (wchar_t) *in++;
1091     }
1092
1093     *out = '\0';
1094
1095     return in - origin;
1096 }
1097
1098 WXDLLEXPORT size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen)
1099 {
1100     if (!out)
1101     {
1102         size_t outsize = 0;
1103         while(*in++)
1104             outsize++;
1105         return outsize;
1106     }
1107
1108     const wchar_t* origin = in;
1109
1110     while (outlen-- && *in)
1111     {
1112         *out++ = (char) *in++;
1113     }
1114
1115     *out = '\0';
1116
1117     return in - origin;
1118 }
1119
1120 #endif // wxNEED_WX_MBSTOWCS
1121
1122 #if defined(wxNEED_WX_CTYPE_H)
1123
1124 #include <CoreFoundation/CoreFoundation.h>
1125
1126 #define cfalnumset CFCharacterSetGetPredefined(kCFCharacterSetAlphaNumeric)
1127 #define cfalphaset CFCharacterSetGetPredefined(kCFCharacterSetLetter)
1128 #define cfcntrlset CFCharacterSetGetPredefined(kCFCharacterSetControl)
1129 #define cfdigitset CFCharacterSetGetPredefined(kCFCharacterSetDecimalDigit)
1130 //CFCharacterSetRef cfgraphset = kCFCharacterSetControl && !' '
1131 #define cflowerset CFCharacterSetGetPredefined(kCFCharacterSetLowercaseLetter)
1132 //CFCharacterSetRef cfprintset = !kCFCharacterSetControl
1133 #define cfpunctset CFCharacterSetGetPredefined(kCFCharacterSetPunctuation)
1134 #define cfspaceset CFCharacterSetGetPredefined(kCFCharacterSetWhitespaceAndNewline)
1135 #define cfupperset CFCharacterSetGetPredefined(kCFCharacterSetUppercaseLetter)
1136
1137 WXDLLEXPORT int wxIsalnum(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalnumset, ch); }
1138 WXDLLEXPORT int wxIsalpha(wxChar ch) { return CFCharacterSetIsCharacterMember(cfalphaset, ch); }
1139 WXDLLEXPORT int wxIscntrl(wxChar ch) { return CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
1140 WXDLLEXPORT int wxIsdigit(wxChar ch) { return CFCharacterSetIsCharacterMember(cfdigitset, ch); }
1141 WXDLLEXPORT int wxIsgraph(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch) && ch != ' '; }
1142 WXDLLEXPORT int wxIslower(wxChar ch) { return CFCharacterSetIsCharacterMember(cflowerset, ch); }
1143 WXDLLEXPORT int wxIsprint(wxChar ch) { return !CFCharacterSetIsCharacterMember(cfcntrlset, ch); }
1144 WXDLLEXPORT int wxIspunct(wxChar ch) { return CFCharacterSetIsCharacterMember(cfpunctset, ch); }
1145 WXDLLEXPORT int wxIsspace(wxChar ch) { return CFCharacterSetIsCharacterMember(cfspaceset, ch); }
1146 WXDLLEXPORT int wxIsupper(wxChar ch) { return CFCharacterSetIsCharacterMember(cfupperset, ch); }
1147 WXDLLEXPORT int wxIsxdigit(wxChar ch) { return wxIsdigit(ch) || (ch>='a' && ch<='f') || (ch>='A' && ch<='F'); }
1148 WXDLLEXPORT int wxTolower(wxChar ch) { return (wxChar)tolower((char)(ch)); }
1149 WXDLLEXPORT int wxToupper(wxChar ch) { return (wxChar)toupper((char)(ch)); }
1150
1151 #endif  // wxNEED_WX_CTYPE_H
1152
1153 #ifndef wxStrdupA
1154
1155 WXDLLEXPORT char *wxStrdupA(const char *s)
1156 {
1157     return strcpy((char *)malloc(strlen(s) + 1), s);
1158 }
1159
1160 #endif // wxStrdupA
1161
1162 #ifndef wxStrdupW
1163
1164 WXDLLEXPORT wchar_t * wxStrdupW(const wchar_t *pwz)
1165 {
1166   size_t size = (wxWcslen(pwz) + 1) * sizeof(wchar_t);
1167   wchar_t *ret = (wchar_t *) malloc(size);
1168   memcpy(ret, pwz, size);
1169   return ret;
1170 }
1171
1172 #endif // wxStrdupW
1173
1174 #ifndef wxStricmp
1175 int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
1176 {
1177   register wxChar c1, c2;
1178   do {
1179     c1 = wxTolower(*psz1++);
1180     c2 = wxTolower(*psz2++);
1181   } while ( c1 && (c1 == c2) );
1182   return c1 - c2;
1183 }
1184 #endif
1185
1186 #ifndef wxStricmp
1187 int WXDLLEXPORT wxStrnicmp(const wxChar *s1, const wxChar *s2, size_t n)
1188 {
1189   // initialize the variables just to suppress stupid gcc warning
1190   register wxChar c1 = 0, c2 = 0;
1191   while (n && ((c1 = wxTolower(*s1)) == (c2 = wxTolower(*s2)) ) && c1) n--, s1++, s2++;
1192   if (n) {
1193     if (c1 < c2) return -1;
1194     if (c1 > c2) return 1;
1195   }
1196   return 0;
1197 }
1198 #endif
1199
1200 #ifndef wxSetlocale
1201 WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
1202 {
1203     char *localeOld = setlocale(category, wxConvLibc.cWX2MB(locale));
1204
1205     return wxWCharBuffer(wxConvLibc.cMB2WC(localeOld));
1206 }
1207 #endif
1208
1209 #if wxUSE_WCHAR_T && !defined(HAVE_WCSLEN)
1210 WXDLLEXPORT size_t wxWcslen(const wchar_t *s)
1211 {
1212     size_t n = 0;
1213     while ( *s++ )
1214         n++;
1215
1216     return n;
1217 }
1218 #endif
1219
1220 // ----------------------------------------------------------------------------
1221 // string.h functions
1222 // ----------------------------------------------------------------------------
1223
1224 #ifdef wxNEED_WX_STRING_H
1225
1226 // RN:  These need to be c externed for the regex lib
1227 #ifdef __cplusplus
1228 extern "C" {
1229 #endif
1230
1231 WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src)
1232 {
1233   wxChar *ret = dest;
1234   while (*dest) dest++;
1235   while ((*dest++ = *src++));
1236   return ret;
1237 }
1238
1239 WXDLLEXPORT const wxChar * wxStrchr(const wxChar *s, wxChar c)
1240 {
1241     // be careful here as the terminating NUL makes part of the string
1242     while ( *s != c )
1243     {
1244         if ( !*s++ )
1245             return NULL;
1246     }
1247
1248     return s;
1249 }
1250
1251 WXDLLEXPORT int wxStrcmp(const wxChar *s1, const wxChar *s2)
1252 {
1253   while ((*s1 == *s2) && *s1) s1++, s2++;
1254   if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
1255   if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
1256   return 0;
1257 }
1258
1259 WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src)
1260 {
1261   wxChar *ret = dest;
1262   while ((*dest++ = *src++));
1263   return ret;
1264 }
1265
1266 WXDLLEXPORT size_t wxStrlen_(const wxChar *s)
1267 {
1268     size_t n = 0;
1269     while ( *s++ )
1270         n++;
1271
1272     return n;
1273 }
1274
1275
1276 WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n)
1277 {
1278   wxChar *ret = dest;
1279   while (*dest) dest++;
1280   while (n && (*dest++ = *src++)) n--;
1281   return ret;
1282 }
1283
1284 WXDLLEXPORT int wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n)
1285 {
1286   while (n && (*s1 == *s2) && *s1) n--, s1++, s2++;
1287   if (n) {
1288     if ((wxUChar)*s1 < (wxUChar)*s2) return -1;
1289     if ((wxUChar)*s1 > (wxUChar)*s2) return 1;
1290   }
1291   return 0;
1292 }
1293
1294 WXDLLEXPORT wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n)
1295 {
1296   wxChar *ret = dest;
1297   while (n && (*dest++ = *src++)) n--;
1298   while (n) *dest++=0, n--; // the docs specify padding with zeroes
1299   return ret;
1300 }
1301
1302 WXDLLEXPORT const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept)
1303 {
1304   while (*s && !wxStrchr(accept, *s))
1305       s++;
1306
1307   return *s ? s : NULL;
1308 }
1309
1310 WXDLLEXPORT const wxChar * wxStrrchr(const wxChar *s, wxChar c)
1311 {
1312     const wxChar *ret = NULL;
1313     do
1314     {
1315         if ( *s == c )
1316             ret = s;
1317         s++;
1318     }
1319     while ( *s );
1320
1321     return ret;
1322 }
1323
1324 WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept)
1325 {
1326   size_t len = 0;
1327   while (wxStrchr(accept, *s++)) len++;
1328   return len;
1329 }
1330
1331 WXDLLEXPORT const wxChar *wxStrstr(const wxChar *haystack, const wxChar *needle)
1332 {
1333     wxASSERT_MSG( needle != NULL, _T("NULL argument in wxStrstr") );
1334
1335     // VZ: this is not exactly the most efficient string search algorithm...
1336
1337     const size_t len = wxStrlen(needle);
1338
1339     while ( const wxChar *fnd = wxStrchr(haystack, *needle) )
1340     {
1341         if ( !wxStrncmp(fnd, needle, len) )
1342             return fnd;
1343
1344         haystack = fnd + 1;
1345     }
1346
1347     return NULL;
1348 }
1349
1350 #ifdef __cplusplus
1351 }
1352 #endif
1353
1354 WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr)
1355 {
1356   const wxChar *start = nptr;
1357
1358   // FIXME: only correct for C locale
1359   while (wxIsspace(*nptr)) nptr++;
1360   if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1361   while (wxIsdigit(*nptr)) nptr++;
1362   if (*nptr == wxT('.')) {
1363     nptr++;
1364     while (wxIsdigit(*nptr)) nptr++;
1365   }
1366   if (*nptr == wxT('E') || *nptr == wxT('e')) {
1367     nptr++;
1368     if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1369     while (wxIsdigit(*nptr)) nptr++;
1370   }
1371
1372   wxString data(nptr, nptr-start);
1373   wxWX2MBbuf dat = data.mb_str(wxConvLibc);
1374   char *rdat = wxMBSTRINGCAST dat;
1375   double ret = strtod(dat, &rdat);
1376
1377   if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
1378
1379   return ret;
1380 }
1381
1382 WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
1383 {
1384   const wxChar *start = nptr;
1385
1386   // FIXME: only correct for C locale
1387   while (wxIsspace(*nptr)) nptr++;
1388   if (*nptr == wxT('+') || *nptr == wxT('-')) nptr++;
1389   if (((base == 0) || (base == 16)) &&
1390       (nptr[0] == wxT('0') && nptr[1] == wxT('x'))) {
1391     nptr += 2;
1392     base = 16;
1393   }
1394   else if ((base == 0) && (nptr[0] == wxT('0'))) base = 8;
1395   else if (base == 0) base = 10;
1396
1397   while ((wxIsdigit(*nptr) && (*nptr - wxT('0') < base)) ||
1398          (wxIsalpha(*nptr) && (wxToupper(*nptr) - wxT('A') + 10 < base))) nptr++;
1399
1400   wxString data(start, nptr-start);
1401   wxWX2MBbuf dat = data.mb_str(wxConvLibc);
1402   char *rdat = wxMBSTRINGCAST dat;
1403   long int ret = strtol(dat, &rdat, base);
1404
1405   if (endptr) *endptr = (wxChar *)(start + (rdat - (const char *)dat));
1406
1407   return ret;
1408 }
1409
1410 WXDLLEXPORT unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base)
1411 {
1412     return (unsigned long int) wxStrtol(nptr, endptr, base);
1413 }
1414
1415 #endif // wxNEED_WX_STRING_H
1416
1417 #ifdef wxNEED_WX_STDIO_H
1418 WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
1419 {
1420     char mode_buffer[10];
1421     for (size_t i = 0; i < wxStrlen(mode)+1; i++)
1422        mode_buffer[i] = (char) mode[i];
1423
1424     return fopen( wxConvFile.cWX2MB(path), mode_buffer );
1425 }
1426
1427 WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream)
1428 {
1429     char mode_buffer[10];
1430     for (size_t i = 0; i < wxStrlen(mode)+1; i++)
1431        mode_buffer[i] = (char) mode[i];
1432
1433     return freopen( wxConvFile.cWX2MB(path), mode_buffer, stream );
1434 }
1435
1436 WXDLLEXPORT int wxRemove(const wxChar *path)
1437 {
1438     return remove( wxConvFile.cWX2MB(path) );
1439 }
1440
1441 WXDLLEXPORT int wxRename(const wxChar *oldpath, const wxChar *newpath)
1442 {
1443     return rename( wxConvFile.cWX2MB(oldpath), wxConvFile.cWX2MB(newpath) );
1444 }
1445 #endif
1446
1447 #ifndef wxAtof
1448 double   WXDLLEXPORT wxAtof(const wxChar *psz)
1449 {
1450 #ifdef __WXWINCE__
1451     double d;
1452     wxString str(psz);
1453     if (str.ToDouble(& d))
1454         return d;
1455
1456     return 0.0;
1457 #else
1458     return atof(wxConvLibc.cWX2MB(psz));
1459 #endif
1460 }
1461 #endif
1462
1463 #ifdef wxNEED_WX_STDLIB_H
1464 int      WXDLLEXPORT wxAtoi(const wxChar *psz)
1465 {
1466   return atoi(wxConvLibc.cWX2MB(psz));
1467 }
1468
1469 long     WXDLLEXPORT wxAtol(const wxChar *psz)
1470 {
1471   return atol(wxConvLibc.cWX2MB(psz));
1472 }
1473
1474 wxChar * WXDLLEXPORT wxGetenv(const wxChar *name)
1475 {
1476 #if wxUSE_UNICODE
1477     // NB: buffer returned by getenv() is allowed to be overwritten next
1478     //     time getenv() is called, so it is OK to use static string
1479     //     buffer to hold the data.
1480     static wxWCharBuffer value((wxChar*)NULL);
1481     value = wxConvLibc.cMB2WX(getenv(wxConvLibc.cWX2MB(name)));
1482     return value.data();
1483 #else
1484     return getenv(name);
1485 #endif
1486 }
1487
1488 int WXDLLEXPORT wxSystem(const wxChar *psz)
1489 {
1490     return system(wxConvLibc.cWX2MB(psz));
1491 }
1492
1493 #endif // wxNEED_WX_STDLIB_H
1494
1495 #ifdef wxNEED_WX_TIME_H
1496 WXDLLEXPORT size_t
1497 wxStrftime(wxChar *s, size_t maxsize, const wxChar *fmt, const struct tm *tm)
1498 {
1499     if ( !maxsize )
1500         return 0;
1501
1502     wxCharBuffer buf(maxsize);
1503
1504     wxCharBuffer bufFmt(wxConvLibc.cWX2MB(fmt));
1505     if ( !bufFmt )
1506         return 0;
1507
1508     size_t ret = strftime(buf.data(), maxsize, bufFmt, tm);
1509     if  ( !ret )
1510         return 0;
1511
1512     wxWCharBuffer wbuf = wxConvLibc.cMB2WX(buf);
1513     if ( !wbuf )
1514         return 0;
1515
1516     wxStrncpy(s, wbuf, maxsize);
1517     return wxStrlen(s);
1518 }
1519 #endif // wxNEED_WX_TIME_H
1520
1521 #ifndef wxCtime
1522 WXDLLEXPORT wxChar *wxCtime(const time_t *timep)
1523 {
1524     // normally the string is 26 chars but give one more in case some broken
1525     // DOS compiler decides to use "\r\n" instead of "\n" at the end
1526     static wxChar buf[27];
1527
1528     // ctime() is guaranteed to return a string containing only ASCII
1529     // characters, as its format is always the same for any locale
1530     wxStrncpy(buf, wxString::FromAscii(ctime(timep)), WXSIZEOF(buf));
1531     buf[WXSIZEOF(buf) - 1] = _T('\0');
1532
1533     return buf;
1534 }
1535 #endif // wxCtime
1536
1537 #endif // wxUSE_WCHAR_T
1538
1539 // ----------------------------------------------------------------------------
1540 // functions which we may need even if !wxUSE_WCHAR_T
1541 // ----------------------------------------------------------------------------
1542
1543 #ifndef wxStrtok
1544
1545 WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
1546 {
1547     if (!psz)
1548     {
1549         psz = *save_ptr;
1550         if ( !psz )
1551             return NULL;
1552     }
1553
1554     psz += wxStrspn(psz, delim);
1555     if (!*psz)
1556     {
1557         *save_ptr = (wxChar *)NULL;
1558         return (wxChar *)NULL;
1559     }
1560
1561     wxChar *ret = psz;
1562     psz = wxStrpbrk(psz, delim);
1563     if (!psz)
1564     {
1565         *save_ptr = (wxChar*)NULL;
1566     }
1567     else
1568     {
1569         *psz = wxT('\0');
1570         *save_ptr = psz + 1;
1571     }
1572
1573     return ret;
1574 }
1575
1576 #endif // wxStrtok
1577
1578 // ----------------------------------------------------------------------------
1579 // missing C RTL functions
1580 // ----------------------------------------------------------------------------
1581
1582 #ifdef wxNEED_STRDUP
1583
1584 char *strdup(const char *s)
1585 {
1586     char *dest = (char*) malloc( strlen( s ) + 1 ) ;
1587     if ( dest )
1588         strcpy( dest , s ) ;
1589     return dest ;
1590 }
1591 #endif // wxNEED_STRDUP
1592
1593 #if defined(__WXWINCE__) && (_WIN32_WCE <= 211)
1594
1595 void *calloc( size_t num, size_t size )
1596 {
1597     void** ptr = (void **)malloc(num * size);
1598     memset( ptr, 0, num * size);
1599     return ptr;
1600 }
1601
1602 #endif // __WXWINCE__ <= 211
1603
1604 #ifdef __WXWINCE__
1605
1606 int wxRemove(const wxChar *path)
1607 {
1608     return ::DeleteFile(path) == 0;
1609 }
1610
1611 #endif