include/wx/wxcrtvararg.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/wxcrtvararg.h
   3 // Purpose:     Type-safe ANSI and Unicode builds compatible wrappers for
   4 //              printf(), scanf() and related CRT functions
   5 // Author:      Joel Farley, Ove Kåven
   6 // Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee
   7 // Created:     2007-02-19
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 2007 REA Elektronik GmbH
  10 // Licence:     wxWindows licence
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_WXCRTVARARG_H_
  14 #define _WX_WXCRTVARARG_H_
  15
  16 // NB: User code should include wx/crt.h instead of including this
  17 //     header directly.
  18
  19 #include "wx/wxcrt.h"
  20 #include "wx/strvararg.h"
  21
  22 #include "wx/string.h"
  23
  24 // ----------------------------------------------------------------------------
  25 // CRT functions aliases
  26 // ----------------------------------------------------------------------------
  27
  28 /* Required for wxPrintf() etc */
  29 #include <stdarg.h>
  30
  31 /* printf() family saga */
  32
  33 /*
  34    For many old Unix systems [v]snprintf()/vsscanf() exists in the system
  35    libraries but not in the headers, so we need to declare it ourselves to be
  36    able to use it.
  37  */
  38 #ifdef __UNIX__
  39
  40 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
  41 #ifdef __cplusplus
  42     extern "C"
  43 #else
  44     extern
  45 #endif
  46     int vsnprintf(char *str, size_t size, const char *format, va_list ap);
  47 #endif /* !HAVE_VSNPRINTF_DECL */
  48
  49 #if defined(HAVE_SNPRINTF) && !defined(HAVE_SNPRINTF_DECL)
  50 #ifdef __cplusplus
  51     extern "C"
  52 #else
  53     extern
  54 #endif
  55     int snprintf(char *str, size_t size, const char *format, ...);
  56 #endif /* !HAVE_SNPRINTF_DECL */
  57
  58 #if defined(HAVE_VSSCANF) && !defined(HAVE_VSSCANF_DECL)
  59 #ifdef __cplusplus
  60     extern "C"
  61 #else
  62     extern
  63 #endif
  64     int vsscanf(const char *str, const char *format, va_list ap);
  65 #endif /* !HAVE_VSSCANF_DECL */
  66
  67 /* Wrapper for vsnprintf if it's 3rd parameter is non-const. Note: the
  68  * same isn't done for snprintf below, the builtin wxSnprintf_ is used
  69  * instead since it's already a simple wrapper */
  70 #if defined __cplusplus && defined HAVE_BROKEN_VSNPRINTF_DECL
  71     inline int wx_fixed_vsnprintf(char *str, size_t size, const char *format, va_list ap)
  72     {
  73         return vsnprintf(str, size, (char*)format, ap);
  74     }
  75 #endif
  76
  77 #endif /* __UNIX__ */
  78
  79 /*
  80    mingw32 normally uses MSVCRT which has non-standard vswprintf() and so
  81    normally _vsnwprintf() is used instead, the only exception is when mingw32
  82    is used with STLPort which does have a standard vswprintf() starting from
  83    version 5.1 which we can use.
  84  */
  85 #ifdef __MINGW32__
  86     #if defined(_STLPORT_VERSION) && _STLPORT_VERSION >= 0x510
  87         #ifndef HAVE_VSWPRINTF
  88             #define HAVE_VSWPRINTF
  89         #endif
  90     #elif defined(HAVE_VSWPRINTF)
  91         /* can't use non-standard vswprintf() */
  92         #undef HAVE_VSWPRINTF
  93     #endif
  94 #endif /* __MINGW32__ */
  95
  96 #if defined(__WATCOMC__)
  97     #define HAVE_VSWPRINTF 1
  98 #endif
  99
 100 #if wxUSE_PRINTF_POS_PARAMS
 101     /*
 102         The systems where vsnprintf() supports positional parameters should
 103         define the HAVE_UNIX98_PRINTF symbol.
 104
 105         On systems which don't (e.g. Windows) we are forced to use
 106         our wxVsnprintf() implementation.
 107     */
 108     #if defined(HAVE_UNIX98_PRINTF)
 109         #ifdef HAVE_VSWPRINTF
 110             #define wxCRT_VsnprintfW   vswprintf
 111         #endif
 112         #ifdef HAVE_BROKEN_VSNPRINTF_DECL
 113             #define wxCRT_VsnprintfA    wx_fixed_vsnprintf
 114         #else
 115             #define wxCRT_VsnprintfA    vsnprintf
 116         #endif
 117     #else /* !HAVE_UNIX98_PRINTF */
 118         /*
 119             The only compiler with positional parameters support under Windows
 120             is VC++ 8.0 which provides a new xxprintf_p() functions family.
 121             The 2003 PSDK includes a slightly earlier version of VC8 than the
 122             main release and does not have the printf_p functions.
 123          */
 124         #if defined _MSC_FULL_VER && _MSC_FULL_VER >= 140050727 && !defined __WXWINCE__
 125             #define wxCRT_VsnprintfA    _vsprintf_p
 126             #define wxCRT_VsnprintfW    _vswprintf_p
 127         #endif
 128     #endif /* HAVE_UNIX98_PRINTF/!HAVE_UNIX98_PRINTF */
 129 #else /* !wxUSE_PRINTF_POS_PARAMS */
 130     /*
 131        We always want to define safe snprintf() function to be used instead of
 132        sprintf(). Some compilers already have it (or rather vsnprintf() which
 133        we really need...), otherwise we implement it using our own printf()
 134        code.
 135
 136        We define function with a trailing underscore here because the real one
 137        is a wrapper around it as explained below
 138      */
 139
 140     #if defined(__VISUALC__) || \
 141             (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
 142         #define wxCRT_VsnprintfA    _vsnprintf
 143         #define wxCRT_VsnprintfW    _vsnwprintf
 144     #else
 145         #if defined(HAVE__VSNWPRINTF)
 146             #define wxCRT_VsnprintfW    _vsnwprintf
 147         #elif defined(HAVE_VSWPRINTF)
 148             #define wxCRT_VsnprintfW     vswprintf
 149         #elif defined(__WATCOMC__)
 150             #define wxCRT_VsnprintfW    _vsnwprintf
 151         #endif
 152
 153         /*
 154            All versions of CodeWarrior supported by wxWidgets apparently
 155            have both snprintf() and vsnprintf()
 156          */
 157         #if defined(HAVE_VSNPRINTF) \
 158             || defined(__MWERKS__) || defined(__WATCOMC__)
 159             #ifdef HAVE_BROKEN_VSNPRINTF_DECL
 160                 #define wxCRT_VsnprintfA    wx_fixed_vsnprintf
 161             #else
 162                 #define wxCRT_VsnprintfA    vsnprintf
 163             #endif
 164         #endif
 165     #endif
 166 #endif /* wxUSE_PRINTF_POS_PARAMS/!wxUSE_PRINTF_POS_PARAMS */
 167
 168 #ifndef wxCRT_VsnprintfW
 169     /* no (suitable) vsnprintf(), cook our own */
 170     WXDLLIMPEXP_BASE int
 171     wxCRT_VsnprintfW(wchar_t *buf, size_t len, const wchar_t *format, va_list argptr);
 172     #define wxUSE_WXVSNPRINTFW 1
 173 #else
 174     #define wxUSE_WXVSNPRINTFW 0
 175 #endif
 176
 177 #ifndef wxCRT_VsnprintfA
 178         /* no (suitable) vsnprintf(), cook our own */
 179         WXDLLIMPEXP_BASE int
 180         wxCRT_VsnprintfA(char *buf, size_t len, const char *format, va_list argptr);
 181         #define wxUSE_WXVSNPRINTFA 1
 182 #else
 183         #define wxUSE_WXVSNPRINTFA 0
 184 #endif
 185
 186 // for wxString code, define wxUSE_WXVSNPRINTF to indicate that wx
 187 // implementation is used no matter what (in UTF-8 build, either *A or *W
 188 // version may be called):
 189 #if !wxUSE_UNICODE
 190     #define wxUSE_WXVSNPRINTF wxUSE_WXVSNPRINTFA
 191 #elif wxUSE_UNICODE_WCHAR
 192     #define wxUSE_WXVSNPRINTF wxUSE_WXVSNPRINTFW
 193 #elif wxUSE_UTF8_LOCALE_ONLY
 194     #define wxUSE_WXVSNPRINTF wxUSE_WXVSNPRINTFA
 195 #else // UTF-8 under any locale
 196     #define wxUSE_WXVSNPRINTF (wxUSE_WXVSNPRINTFA && wxUSE_WXVSNPRINTFW)
 197 #endif
 198
 199 #define wxCRT_FprintfA       fprintf
 200 #define wxCRT_PrintfA        printf
 201 #define wxCRT_VfprintfA      vfprintf
 202 #define wxCRT_VprintfA       vprintf
 203 #define wxCRT_VsprintfA      vsprintf
 204
 205 /*
 206    In Unicode mode we need to have all standard functions such as wprintf() and
 207    so on but not all systems have them so use our own implementations in this
 208    case.
 209  */
 210 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
 211     #define wxNEED_WPRINTF
 212 #endif
 213 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_VSWSCANF)
 214     #define wxNEED_VSWSCANF
 215 #endif
 216
 217
 218 #if defined(wxNEED_WPRINTF)
 219     /*
 220         we need to implement all wide character printf functions either because
 221         we don't have them at all or because they don't have the semantics we
 222         need
 223      */
 224     int wxCRT_PrintfW( const wchar_t *format, ... );
 225     int wxCRT_FprintfW( FILE *stream, const wchar_t *format, ... );
 226     int wxCRT_VfprintfW( FILE *stream, const wchar_t *format, va_list ap );
 227     int wxCRT_VprintfW( const wchar_t *format, va_list ap );
 228     int wxCRT_VsprintfW( wchar_t *str, const wchar_t *format, va_list ap );
 229 #else /* !wxNEED_WPRINTF */
 230     #define wxCRT_FprintfW      fwprintf
 231     #define wxCRT_PrintfW       wprintf
 232     #define wxCRT_VfprintfW     vfwprintf
 233     #define wxCRT_VprintfW      vwprintf
 234
 235     #if defined(__WINDOWS__) && !defined(HAVE_VSWPRINTF)
 236         // only non-standard vswprintf() without buffer size argument can be used here
 237         #define  wxCRT_VsprintfW     vswprintf
 238     #endif
 239 #endif /* wxNEED_WPRINTF */
 240
 241
 242 /* Required for wxScanf() etc. */
 243 #define wxCRT_ScanfA     scanf
 244 #define wxCRT_SscanfA    sscanf
 245 #define wxCRT_FscanfA    fscanf
 246 #define wxCRT_VsscanfA   vsscanf
 247
 248 #if defined(wxNEED_WPRINTF)
 249     int wxCRT_ScanfW(const wchar_t *format, ...);
 250     int wxCRT_SscanfW(const wchar_t *str, const wchar_t *format, ...);
 251     int wxCRT_FscanfW(FILE *stream, const wchar_t *format, ...);
 252 #else
 253     #define wxCRT_ScanfW     wxVMS_USE_STD wscanf
 254     #define wxCRT_SscanfW    wxVMS_USE_STD swscanf
 255     #define wxCRT_FscanfW    wxVMS_USE_STD fwscanf
 256 #endif
 257 #ifdef wxNEED_VSWSCANF
 258     int wxCRT_VsscanfW(const wchar_t *str, const wchar_t *format, va_list ap);
 259 #else
 260     #define wxCRT_VsscanfW   wxVMS_USE_STD vswscanf
 261 #endif
 262
 263 // ----------------------------------------------------------------------------
 264 // user-friendly wrappers to CRT functions
 265 // ----------------------------------------------------------------------------
 266
 267 #ifdef __WATCOMC__
 268     // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
 269     #define wxPrintf    wxPrintf_Impl
 270     #define wxFprintf   wxFprintf_Impl
 271     #define wxSprintf   wxSprintf_Impl
 272     #define wxSnprintf  wxSnprintf_Impl
 273 #endif
 274
 275     // FIXME-UTF8: remove this
 276 #if wxUSE_UNICODE
 277     #define wxCRT_PrintfNative wxCRT_PrintfW
 278     #define wxCRT_FprintfNative wxCRT_FprintfW
 279 #else
 280     #define wxCRT_PrintfNative wxCRT_PrintfA
 281     #define wxCRT_FprintfNative wxCRT_FprintfA
 282 #endif
 283
 284 WX_DEFINE_VARARG_FUNC(int, wxPrintf, 1, (const wxFormatString&),
 285                       wxCRT_PrintfNative, wxCRT_PrintfA)
 286 WX_DEFINE_VARARG_FUNC(int, wxFprintf, 2, (FILE*, const wxFormatString&),
 287                       wxCRT_FprintfNative, wxCRT_FprintfA)
 288
 289 // va_list versions of printf functions simply forward to the respective
 290 // CRT function; note that they assume that va_list was created using
 291 // wxArgNormalizer<T>!
 292 #if wxUSE_UNICODE_UTF8
 293     #if wxUSE_UTF8_LOCALE_ONLY
 294         #define WX_VARARG_VFOO_IMPL(args, implW, implA)              \
 295             return implA args
 296     #else
 297         #define WX_VARARG_VFOO_IMPL(args, implW, implA)              \
 298             if ( wxLocaleIsUtf8 ) return implA args;                 \
 299             else return implW args
 300     #endif
 301 #elif wxUSE_UNICODE_WCHAR
 302     #define WX_VARARG_VFOO_IMPL(args, implW, implA)                  \
 303         return implW args
 304 #else // ANSI
 305     #define WX_VARARG_VFOO_IMPL(args, implW, implA)                  \
 306         return implA args
 307 #endif
 308
 309 inline int
 310 wxVprintf(const wxString& format, va_list ap)
 311 {
 312     WX_VARARG_VFOO_IMPL((wxFormatString(format), ap),
 313                         wxCRT_VprintfW, wxCRT_VprintfA);
 314 }
 315
 316 inline int
 317 wxVfprintf(FILE *f, const wxString& format, va_list ap)
 318 {
 319     WX_VARARG_VFOO_IMPL((f, wxFormatString(format), ap),
 320                         wxCRT_VfprintfW, wxCRT_VfprintfA);
 321 }
 322
 323 #undef WX_VARARG_VFOO_IMPL
 324
 325
 326 // wxSprintf() and friends have to be implemented in two forms, one for
 327 // writing to char* buffer and one for writing to wchar_t*:
 328
 329 #if !wxUSE_UTF8_LOCALE_ONLY
 330 int WXDLLIMPEXP_BASE wxDoSprintfWchar(char *str, const wxChar *format, ...);
 331 #endif
 332 #if wxUSE_UNICODE_UTF8
 333 int WXDLLIMPEXP_BASE wxDoSprintfUtf8(char *str, const char *format, ...);
 334 #endif
 335 WX_DEFINE_VARARG_FUNC(int, wxSprintf, 2, (char*, const wxFormatString&),
 336                       wxDoSprintfWchar, wxDoSprintfUtf8)
 337
 338 int WXDLLIMPEXP_BASE
 339 wxVsprintf(char *str, const wxString& format, va_list argptr);
 340
 341 #if !wxUSE_UTF8_LOCALE_ONLY
 342 int WXDLLIMPEXP_BASE wxDoSnprintfWchar(char *str, size_t size, const wxChar *format, ...);
 343 #endif
 344 #if wxUSE_UNICODE_UTF8
 345 int WXDLLIMPEXP_BASE wxDoSnprintfUtf8(char *str, size_t size, const char *format, ...);
 346 #endif
 347 WX_DEFINE_VARARG_FUNC(int, wxSnprintf, 3, (char*, size_t, const wxFormatString&),
 348                       wxDoSnprintfWchar, wxDoSnprintfUtf8)
 349
 350 int WXDLLIMPEXP_BASE
 351 wxVsnprintf(char *str, size_t size, const wxString& format, va_list argptr);
 352
 353 #if wxUSE_UNICODE
 354
 355 #if !wxUSE_UTF8_LOCALE_ONLY
 356 int WXDLLIMPEXP_BASE wxDoSprintfWchar(wchar_t *str, const wxChar *format, ...);
 357 #endif
 358 #if wxUSE_UNICODE_UTF8
 359 int WXDLLIMPEXP_BASE wxDoSprintfUtf8(wchar_t *str, const char *format, ...);
 360 #endif
 361 WX_DEFINE_VARARG_FUNC(int, wxSprintf, 2, (wchar_t*, const wxFormatString&),
 362                       wxDoSprintfWchar, wxDoSprintfUtf8)
 363
 364 int WXDLLIMPEXP_BASE
 365 wxVsprintf(wchar_t *str, const wxString& format, va_list argptr);
 366
 367 #if !wxUSE_UTF8_LOCALE_ONLY
 368 int WXDLLIMPEXP_BASE wxDoSnprintfWchar(wchar_t *str, size_t size, const wxChar *format, ...);
 369 #endif
 370 #if wxUSE_UNICODE_UTF8
 371 int WXDLLIMPEXP_BASE wxDoSnprintfUtf8(wchar_t *str, size_t size, const char *format, ...);
 372 #endif
 373 WX_DEFINE_VARARG_FUNC(int, wxSnprintf, 3, (wchar_t*, size_t, const wxFormatString&),
 374                       wxDoSnprintfWchar, wxDoSnprintfUtf8)
 375
 376 int WXDLLIMPEXP_BASE
 377 wxVsnprintf(wchar_t *str, size_t size, const wxString& format, va_list argptr);
 378
 379 #endif // wxUSE_UNICODE
 380
 381 #ifdef __WATCOMC__
 382     // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
 383     //
 384     // fortunately, OpenWatcom implements __VA_ARGS__, so we can provide macros
 385     // that cast the format argument to wxString:
 386     #undef wxPrintf
 387     #undef wxFprintf
 388     #undef wxSprintf
 389     #undef wxSnprintf
 390
 391     #define wxPrintf(fmt, ...) \
 392             wxPrintf_Impl(wxFormatString(fmt), __VA_ARGS__)
 393     #define wxFprintf(f, fmt, ...) \
 394             wxFprintf_Impl(f, wxFormatString(fmt), __VA_ARGS__)
 395     #define wxSprintf(s, fmt, ...) \
 396             wxSprintf_Impl(s, wxFormatString(fmt), __VA_ARGS__)
 397     #define wxSnprintf(s, n, fmt, ...) \
 398             wxSnprintf_Impl(s, n, wxFormatString(fmt), __VA_ARGS__)
 399 #endif // __WATCOMC__
 400
 401
 402 // We can't use wxArgNormalizer<T> for variadic arguments to wxScanf() etc.
 403 // because they are writable, so instead of providing friendly template
 404 // vararg-like functions, we just provide both char* and wchar_t* variants
 405 // of these functions. The type of output variadic arguments for %s must match
 406 // the type of 'str' and 'format' arguments.
 407 //
 408 // For compatibility with earlier wx versions, we also provide wxSscanf()
 409 // version with the first argument (input string) wxString; for this version,
 410 // the type of output string values is determined by the type of format string
 411 // only.
 412
 413 #define _WX_SCANFUNC_EXTRACT_ARGS_1(x)   x
 414 #define _WX_SCANFUNC_EXTRACT_ARGS_2(x,y) x, y
 415 #define _WX_SCANFUNC_EXTRACT_ARGS(N, args) _WX_SCANFUNC_EXTRACT_ARGS_##N args
 416
 417 #define _WX_VARARG_PASS_WRITABLE(i) a##i
 418
 419 #define _WX_DEFINE_SCANFUNC(N, dummy1, name, impl, passfixed, numfixed, fixed)\
 420     template<_WX_VARARG_JOIN(N, _WX_VARARG_TEMPL)>                            \
 421     int name(_WX_SCANFUNC_EXTRACT_ARGS(numfixed, fixed),                      \
 422              _WX_VARARG_JOIN(N, _WX_VARARG_ARG))                              \
 423     {                                                                         \
 424         return  impl(_WX_SCANFUNC_EXTRACT_ARGS(numfixed, passfixed),          \
 425                      _WX_VARARG_JOIN(N, _WX_VARARG_PASS_WRITABLE));           \
 426     }
 427
 428 #define WX_DEFINE_SCANFUNC(name, numfixed, fixed, impl, passfixed)            \
 429     inline int name(_WX_SCANFUNC_EXTRACT_ARGS(numfixed, fixed))               \
 430     {                                                                         \
 431         return impl(_WX_SCANFUNC_EXTRACT_ARGS(numfixed, passfixed));          \
 432     }                                                                         \
 433     _WX_VARARG_ITER(_WX_VARARG_MAX_ARGS,                                      \
 434                     _WX_DEFINE_SCANFUNC,                                      \
 435                     dummy1, name, impl, passfixed, numfixed, fixed)
 436
 437 // this is needed to normalize the format string, see src/common/strvararg.cpp
 438 // for more details
 439 #ifdef __WINDOWS__
 440     #define wxScanfConvertFormatW(fmt) fmt
 441 #else
 442     const wxWCharBuffer
 443     WXDLLIMPEXP_BASE wxScanfConvertFormatW(const wchar_t *format);
 444 #endif
 445
 446 WX_DEFINE_SCANFUNC(wxScanf, 1, (const char *format),
 447                    wxCRT_ScanfA, (format))
 448 WX_DEFINE_SCANFUNC(wxScanf, 1, (const wchar_t *format),
 449                    wxCRT_ScanfW, (wxScanfConvertFormatW(format)))
 450
 451 WX_DEFINE_SCANFUNC(wxFscanf, 2, (FILE *stream, const char *format),
 452                    wxCRT_FscanfA, (stream, format))
 453 WX_DEFINE_SCANFUNC(wxFscanf, 2, (FILE *stream, const wchar_t *format),
 454                    wxCRT_FscanfW, (stream, wxScanfConvertFormatW(format)))
 455
 456 WX_DEFINE_SCANFUNC(wxSscanf, 2, (const char *str, const char *format),
 457                    wxCRT_SscanfA, (str, format))
 458 WX_DEFINE_SCANFUNC(wxSscanf, 2, (const wchar_t *str, const wchar_t *format),
 459                    wxCRT_SscanfW, (str, wxScanfConvertFormatW(format)))
 460 WX_DEFINE_SCANFUNC(wxSscanf, 2, (const wxCharBuffer& str, const char *format),
 461                    wxCRT_SscanfA, (str.data(), format))
 462 WX_DEFINE_SCANFUNC(wxSscanf, 2, (const wxWCharBuffer& str, const wchar_t *format),
 463                    wxCRT_SscanfW, (str.data(), wxScanfConvertFormatW(format)))
 464 WX_DEFINE_SCANFUNC(wxSscanf, 2, (const wxString& str, const char *format),
 465                    wxCRT_SscanfA, (str.mb_str(), format))
 466 WX_DEFINE_SCANFUNC(wxSscanf, 2, (const wxString& str, const wchar_t *format),
 467                    wxCRT_SscanfW, (str.wc_str(), wxScanfConvertFormatW(format)))
 468 WX_DEFINE_SCANFUNC(wxSscanf, 2, (const wxCStrData& str, const char *format),
 469                    wxCRT_SscanfA, (str.AsCharBuf(), format))
 470 WX_DEFINE_SCANFUNC(wxSscanf, 2, (const wxCStrData& str, const wchar_t *format),
 471                    wxCRT_SscanfW, (str.AsWCharBuf(), wxScanfConvertFormatW(format)))
 472
 473 // Visual C++ doesn't provide vsscanf()
 474 #ifndef __VISUALC___
 475 int WXDLLIMPEXP_BASE wxVsscanf(const char *str, const char *format, va_list ap);
 476 int WXDLLIMPEXP_BASE wxVsscanf(const wchar_t *str, const wchar_t *format, va_list ap);
 477 int WXDLLIMPEXP_BASE wxVsscanf(const wxCharBuffer& str, const char *format, va_list ap);
 478 int WXDLLIMPEXP_BASE wxVsscanf(const wxWCharBuffer& str, const wchar_t *format, va_list ap);
 479 int WXDLLIMPEXP_BASE wxVsscanf(const wxString& str, const char *format, va_list ap);
 480 int WXDLLIMPEXP_BASE wxVsscanf(const wxString& str, const wchar_t *format, va_list ap);
 481 int WXDLLIMPEXP_BASE wxVsscanf(const wxCStrData& str, const char *format, va_list ap);
 482 int WXDLLIMPEXP_BASE wxVsscanf(const wxCStrData& str, const wchar_t *format, va_list ap);
 483 #endif // !__VISUALC__
 484
 485 #endif /* _WX_WXCRTVARARG_H_ */