include/wx/wxcrt.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/wxcrt.h
   3 // Purpose:     Type-safe ANSI and Unicode builds compatible wrappers for
   4 //              CRT functions
   5 // Author:      Joel Farley, Ove Kaaven
   6 // Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee, Vaclav Slavik
   7 // Created:     1998/06/12
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1998-2006 wxWidgets dev team
  10 // Licence:     wxWindows licence
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_WXCRT_H_
  14 #define _WX_WXCRT_H_
  15
  16 // NB: User code should include wx/crt.h instead of including this
  17 //     header directly.
  18
  19 #include "wx/wxcrtbase.h"
  20 #include "wx/string.h"
  21
  22 #ifndef __WX_SETUP_H__
  23 // For non-configure builds assume vsscanf is available, if not Visual C or DMC
  24 #if !defined (__VISUALC__) && !defined (__DMC__)
  25     #define HAVE_VSSCANF 1
  26 #endif
  27 #endif
  28
  29 // ============================================================================
  30 //                              misc functions
  31 // ============================================================================
  32
  33 /* checks whether the passed in pointer is NULL and if the string is empty */
  34 inline bool wxIsEmpty(const char *s) { return !s || !*s; }
  35 inline bool wxIsEmpty(const wchar_t *s) { return !s || !*s; }
  36 inline bool wxIsEmpty(const wxCharBuffer& s) { return wxIsEmpty(s.data()); }
  37 inline bool wxIsEmpty(const wxWCharBuffer& s) { return wxIsEmpty(s.data()); }
  38 inline bool wxIsEmpty(const wxString& s) { return s.empty(); }
  39 inline bool wxIsEmpty(const wxCStrData& s) { return s.AsString().empty(); }
  40
  41
  42 // FIXME-UTF8: get rid of this, it's ANSI only anyway
  43 WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
  44
  45
  46 /* multibyte to wide char conversion functions and macros */
  47
  48 #if wxUSE_WCHAR_T
  49     /* multibyte<->widechar conversion */
  50     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
  51     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
  52
  53     #if wxUSE_UNICODE
  54         #define wxMB2WX wxMB2WC
  55         #define wxWX2MB wxWC2MB
  56         #define wxWC2WX wxStrncpy
  57         #define wxWX2WC wxStrncpy
  58     #else
  59         #define wxMB2WX wxStrncpy
  60         #define wxWX2MB wxStrncpy
  61         #define wxWC2WX wxWC2MB
  62         #define wxWX2WC wxMB2WC
  63     #endif
  64 #else /* !wxUSE_UNICODE */
  65     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
  66     #define wxMB2WC wxStrncpy
  67     #define wxWC2MB wxStrncpy
  68     #define wxMB2WX wxStrncpy
  69     #define wxWX2MB wxStrncpy
  70     #define wxWC2WX wxWC2MB
  71     #define wxWX2WC wxMB2WC
  72 #endif
  73
  74
  75 //  RN: We could do the usual tricky compiler detection here,
  76 //  and use their variant (such as wmemchr, etc.).  The problem
  77 //  is that these functions are quite rare, even though they are
  78 //  part of the current POSIX standard.  In addition, most compilers
  79 //  (including even MSC) inline them just like we do right in their
  80 //  headers.
  81 //
  82 #include <string.h>
  83
  84 #if wxUSE_UNICODE
  85     //implement our own wmem variants
  86     inline wxChar* wxTmemchr(const wxChar* s, wxChar c, size_t l)
  87     {
  88         for(;l && *s != c;--l, ++s) {}
  89
  90         if(l)
  91             return (wxChar*)s;
  92         return NULL;
  93     }
  94
  95     inline int wxTmemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
  96     {
  97         for(; *sz1 == *sz2 && len; --len, ++sz1, ++sz2) {}
  98
  99         if(len)
 100             return *sz1 < *sz2 ? -1 : *sz1 > *sz2;
 101         else
 102             return 0;
 103     }
 104
 105     inline wxChar* wxTmemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
 106     {
 107         return (wxChar*) memcpy(szOut, szIn, len * sizeof(wxChar));
 108     }
 109
 110     inline wxChar* wxTmemmove(wxChar* szOut, const wxChar* szIn, size_t len)
 111     {
 112         return (wxChar*) memmove(szOut, szIn, len * sizeof(wxChar));
 113     }
 114
 115     inline wxChar* wxTmemset(wxChar* szOut, const wxChar cIn, size_t len)
 116     {
 117         wxChar* szRet = szOut;
 118
 119         while (len--)
 120             *szOut++ = cIn;
 121
 122         return szRet;
 123     }
 124 #endif /* wxUSE_UNICODE */
 125
 126 // provide trivial wrappers for char* versions for both ANSI and Unicode builds
 127 // (notice that these intentionally return "char *" and not "void *" unlike the
 128 // standard memxxx() for symmetry with the wide char versions):
 129 inline char* wxTmemchr(const char* s, char c, size_t len)
 130     { return (char*)memchr(s, c, len); }
 131 inline int wxTmemcmp(const char* sz1, const char* sz2, size_t len)
 132     { return memcmp(sz1, sz2, len); }
 133 inline char* wxTmemcpy(char* szOut, const char* szIn, size_t len)
 134     { return (char*)memcpy(szOut, szIn, len); }
 135 inline char* wxTmemmove(char* szOut, const char* szIn, size_t len)
 136     { return (char*)memmove(szOut, szIn, len); }
 137 inline char* wxTmemset(char* szOut, const char cIn, size_t len)
 138     { return (char*)memset(szOut, cIn, len); }
 139
 140
 141 // ============================================================================
 142 //     wx wrappers for CRT functions in both char* and wchar_t* versions
 143 // ============================================================================
 144
 145 // A few notes on implementation of these wrappers:
 146 //
 147 // We need both char* and wchar_t* versions of functions like wxStrlen() for
 148 // compatibility with both ANSI and Unicode builds.
 149 //
 150 // This makes passing wxString or c_str()/mb_str()/wc_str() result to them
 151 // ambiguous, so we need to provide overrides for that as well (in cases where
 152 // it makes sense).
 153 //
 154 // We can do this without problems for some functions (wxStrlen()), but in some
 155 // cases, we can't stay compatible with both ANSI and Unicode builds, e.g. for
 156 // wxStrcpy(const wxString&), which can only return either char* or wchar_t*.
 157 // In these cases, we preserve ANSI build compatibility by returning char*.
 158
 159 // ----------------------------------------------------------------------------
 160 //                              locale functions
 161 // ----------------------------------------------------------------------------
 162
 163 // NB: we can't provide const wchar_t* (= wxChar*) overload, because calling
 164 //     wxSetlocale(category, NULL) -- which is a common thing to do -- would be
 165 //     ambiguous
 166 WXDLLIMPEXP_BASE char* wxSetlocale(int category, const char *locale);
 167 inline char* wxSetlocale(int category, const wxCharBuffer& locale)
 168     { return wxSetlocale(category, locale.data()); }
 169 inline char* wxSetlocale(int category, const wxString& locale)
 170     { return wxSetlocale(category, locale.mb_str()); }
 171 inline char* wxSetlocale(int category, const wxCStrData& locale)
 172     { return wxSetlocale(category, locale.AsCharBuf()); }
 173
 174 // ----------------------------------------------------------------------------
 175 //                              string functions
 176 // ----------------------------------------------------------------------------
 177
 178 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 179 // NB: these are defined in wxcrtbase.h, see the comment there
 180 // inline size_t wxStrlen(const char *s) { return s ? strlen(s) : 0; }
 181 // inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_Strlen_(s) : 0; }
 182 inline size_t wxStrlen(const wxCharBuffer& s) { return wxStrlen(s.data()); }
 183 inline size_t wxStrlen(const wxWCharBuffer& s) { return wxStrlen(s.data()); }
 184 inline size_t wxStrlen(const wxString& s) { return s.length(); }
 185 inline size_t wxStrlen(const wxCStrData& s) { return s.AsString().length(); }
 186
 187 // NB: these are defined in wxcrtbase.h, see the comment there
 188 // inline char* wxStrdup(const char *s) { return wxStrdupA(s); }
 189 // inline wchar_t* wxStrdup(const wchar_t *s) { return wxStrdupW(s); }
 190 inline char* wxStrdup(const wxCharBuffer& s) { return wxStrdup(s.data()); }
 191 inline wchar_t* wxStrdup(const wxWCharBuffer& s) { return wxStrdup(s.data()); }
 192 inline char* wxStrdup(const wxString& s) { return wxStrdup(s.mb_str()); }
 193 inline char* wxStrdup(const wxCStrData& s) { return wxStrdup(s.AsCharBuf()); }
 194
 195 inline char *wxStrcpy(char *dest, const char *src)
 196     { return wxCRT_StrcpyA(dest, src); }
 197 inline wchar_t *wxStrcpy(wchar_t *dest, const wchar_t *src)
 198     { return wxCRT_StrcpyW(dest, src); }
 199 inline char *wxStrcpy(char *dest, const wxString& src)
 200     { return wxCRT_StrcpyA(dest, src.mb_str()); }
 201 inline char *wxStrcpy(char *dest, const wxCStrData& src)
 202     { return wxCRT_StrcpyA(dest, src.AsCharBuf()); }
 203 inline char *wxStrcpy(char *dest, const wxCharBuffer& src)
 204     { return wxCRT_StrcpyA(dest, src.data()); }
 205 inline wchar_t *wxStrcpy(wchar_t *dest, const wxString& src)
 206     { return wxCRT_StrcpyW(dest, src.wc_str()); }
 207 inline wchar_t *wxStrcpy(wchar_t *dest, const wxCStrData& src)
 208     { return wxCRT_StrcpyW(dest, src.AsWCharBuf()); }
 209 inline wchar_t *wxStrcpy(wchar_t *dest, const wxWCharBuffer& src)
 210     { return wxCRT_StrcpyW(dest, src.data()); }
 211 inline char *wxStrcpy(char *dest, const wchar_t *src)
 212     { return wxCRT_StrcpyA(dest, wxConvLibc.cWC2MB(src)); }
 213 inline wchar_t *wxStrcpy(wchar_t *dest, const char *src)
 214     { return wxCRT_StrcpyW(dest, wxConvLibc.cMB2WC(src)); }
 215
 216 inline char *wxStrncpy(char *dest, const char *src, size_t n)
 217     { return wxCRT_StrncpyA(dest, src, n); }
 218 inline wchar_t *wxStrncpy(wchar_t *dest, const wchar_t *src, size_t n)
 219     { return wxCRT_StrncpyW(dest, src, n); }
 220 inline char *wxStrncpy(char *dest, const wxString& src, size_t n)
 221     { return wxCRT_StrncpyA(dest, src.mb_str(), n); }
 222 inline char *wxStrncpy(char *dest, const wxCStrData& src, size_t n)
 223     { return wxCRT_StrncpyA(dest, src.AsCharBuf(), n); }
 224 inline char *wxStrncpy(char *dest, const wxCharBuffer& src, size_t n)
 225     { return wxCRT_StrncpyA(dest, src.data(), n); }
 226 inline wchar_t *wxStrncpy(wchar_t *dest, const wxString& src, size_t n)
 227     { return wxCRT_StrncpyW(dest, src.wc_str(), n); }
 228 inline wchar_t *wxStrncpy(wchar_t *dest, const wxCStrData& src, size_t n)
 229     { return wxCRT_StrncpyW(dest, src.AsWCharBuf(), n); }
 230 inline wchar_t *wxStrncpy(wchar_t *dest, const wxWCharBuffer& src, size_t n)
 231     { return wxCRT_StrncpyW(dest, src.data(), n); }
 232 inline char *wxStrncpy(char *dest, const wchar_t *src, size_t n)
 233     { return wxCRT_StrncpyA(dest, wxConvLibc.cWC2MB(src), n); }
 234 inline wchar_t *wxStrncpy(wchar_t *dest, const char *src, size_t n)
 235     { return wxCRT_StrncpyW(dest, wxConvLibc.cMB2WC(src), n); }
 236
 237 inline char *wxStrcat(char *dest, const char *src)
 238     { return wxCRT_StrcatA(dest, src); }
 239 inline wchar_t *wxStrcat(wchar_t *dest, const wchar_t *src)
 240     { return wxCRT_StrcatW(dest, src); }
 241 inline char *wxStrcat(char *dest, const wxString& src)
 242     { return wxCRT_StrcatA(dest, src.mb_str()); }
 243 inline char *wxStrcat(char *dest, const wxCStrData& src)
 244     { return wxCRT_StrcatA(dest, src.AsCharBuf()); }
 245 inline char *wxStrcat(char *dest, const wxCharBuffer& src)
 246     { return wxCRT_StrcatA(dest, src.data()); }
 247 inline wchar_t *wxStrcat(wchar_t *dest, const wxString& src)
 248     { return wxCRT_StrcatW(dest, src.wc_str()); }
 249 inline wchar_t *wxStrcat(wchar_t *dest, const wxCStrData& src)
 250     { return wxCRT_StrcatW(dest, src.AsWCharBuf()); }
 251 inline wchar_t *wxStrcat(wchar_t *dest, const wxWCharBuffer& src)
 252     { return wxCRT_StrcatW(dest, src.data()); }
 253 inline char *wxStrcat(char *dest, const wchar_t *src)
 254     { return wxCRT_StrcatA(dest, wxConvLibc.cWC2MB(src)); }
 255 inline wchar_t *wxStrcat(wchar_t *dest, const char *src)
 256     { return wxCRT_StrcatW(dest, wxConvLibc.cMB2WC(src)); }
 257
 258 inline char *wxStrncat(char *dest, const char *src, size_t n)
 259     { return wxCRT_StrncatA(dest, src, n); }
 260 inline wchar_t *wxStrncat(wchar_t *dest, const wchar_t *src, size_t n)
 261     { return wxCRT_StrncatW(dest, src, n); }
 262 inline char *wxStrncat(char *dest, const wxString& src, size_t n)
 263     { return wxCRT_StrncatA(dest, src.mb_str(), n); }
 264 inline char *wxStrncat(char *dest, const wxCStrData& src, size_t n)
 265     { return wxCRT_StrncatA(dest, src.AsCharBuf(), n); }
 266 inline char *wxStrncat(char *dest, const wxCharBuffer& src, size_t n)
 267     { return wxCRT_StrncatA(dest, src.data(), n); }
 268 inline wchar_t *wxStrncat(wchar_t *dest, const wxString& src, size_t n)
 269     { return wxCRT_StrncatW(dest, src.wc_str(), n); }
 270 inline wchar_t *wxStrncat(wchar_t *dest, const wxCStrData& src, size_t n)
 271     { return wxCRT_StrncatW(dest, src.AsWCharBuf(), n); }
 272 inline wchar_t *wxStrncat(wchar_t *dest, const wxWCharBuffer& src, size_t n)
 273     { return wxCRT_StrncatW(dest, src.data(), n); }
 274 inline char *wxStrncat(char *dest, const wchar_t *src, size_t n)
 275     { return wxCRT_StrncatA(dest, wxConvLibc.cWC2MB(src), n); }
 276 inline wchar_t *wxStrncat(wchar_t *dest, const char *src, size_t n)
 277     { return wxCRT_StrncatW(dest, wxConvLibc.cMB2WC(src), n); }
 278
 279
 280 #define WX_STR_DECL(name, T1, T2)  name(T1 s1, T2 s2)
 281 #define WX_STR_CALL(func, a1, a2)  func(a1, a2)
 282
 283 // This macro defines string function for all possible variants of arguments,
 284 // except for those taking wxString or wxCStrData as second argument.
 285 // Parameters:
 286 //   rettype   - return type
 287 //   name      - name of the (overloaded) function to define
 288 //   crtA      - function to call for char* versions (takes two arguments)
 289 //   crtW      - ditto for wchar_t* function
 290 //   forString - function to call when the *first* argument is wxString;
 291 //               the second argument can be any string type, so this is
 292 //               typically a template
 293 #define WX_STR_FUNC_NO_INVERT(rettype, name, crtA, crtW, forString)           \
 294     inline rettype WX_STR_DECL(name, const char *, const char *)              \
 295         { return WX_STR_CALL(crtA, s1, s2); }                                 \
 296     inline rettype WX_STR_DECL(name, const char *, const wchar_t *)           \
 297         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 298     inline rettype WX_STR_DECL(name, const char *, const wxCharBuffer&)       \
 299         { return WX_STR_CALL(crtA, s1, s2.data()); }                          \
 300     inline rettype WX_STR_DECL(name, const char *, const wxWCharBuffer&)      \
 301         { return WX_STR_CALL(forString, wxString(s1), s2.data()); }           \
 302                                                                               \
 303     inline rettype WX_STR_DECL(name, const wchar_t *, const wchar_t *)        \
 304         { return WX_STR_CALL(crtW, s1, s2); }                                 \
 305     inline rettype WX_STR_DECL(name, const wchar_t *, const char *)           \
 306         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 307     inline rettype WX_STR_DECL(name, const wchar_t *, const wxWCharBuffer&)   \
 308         { return WX_STR_CALL(crtW, s1, s2.data()); }                          \
 309     inline rettype WX_STR_DECL(name, const wchar_t *, const wxCharBuffer&)    \
 310         { return WX_STR_CALL(forString, wxString(s1), s2.data()); }           \
 311                                                                               \
 312     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const char *)       \
 313         { return WX_STR_CALL(crtA, s1.data(), s2); }                          \
 314     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wchar_t *)    \
 315         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 316     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxCharBuffer&)\
 317         { return WX_STR_CALL(crtA, s1.data(), s2.data()); }                   \
 318     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxWCharBuffer&)   \
 319         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 320                                                                               \
 321     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wchar_t *)   \
 322         { return WX_STR_CALL(crtW, s1.data(), s2); }                          \
 323     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const char *)      \
 324         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 325     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxWCharBuffer&)  \
 326         { return WX_STR_CALL(crtW, s1.data(), s2.data()); }                   \
 327     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxCharBuffer&)   \
 328         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 329                                                                               \
 330     inline rettype WX_STR_DECL(name, const wxString&, const char*)            \
 331         { return WX_STR_CALL(forString, s1, s2); }                            \
 332     inline rettype WX_STR_DECL(name, const wxString&, const wchar_t*)         \
 333         { return WX_STR_CALL(forString, s1, s2); }                            \
 334     inline rettype WX_STR_DECL(name, const wxString&, const wxCharBuffer&)    \
 335         { return WX_STR_CALL(forString, s1, s2); }                            \
 336     inline rettype WX_STR_DECL(name, const wxString&, const wxWCharBuffer&)   \
 337         { return WX_STR_CALL(forString, s1, s2); }                            \
 338     inline rettype WX_STR_DECL(name, const wxString&, const wxString&)        \
 339         { return WX_STR_CALL(forString, s1, s2); }                            \
 340     inline rettype WX_STR_DECL(name, const wxString&, const wxCStrData&)      \
 341         { return WX_STR_CALL(forString, s1, s2); }                            \
 342                                                                               \
 343     inline rettype WX_STR_DECL(name, const wxCStrData&, const char*)          \
 344         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 345     inline rettype WX_STR_DECL(name, const wxCStrData&, const wchar_t*)       \
 346         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 347     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxCharBuffer&)  \
 348         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 349     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxWCharBuffer&) \
 350         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 351     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxString&)      \
 352         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 353     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxCStrData&)    \
 354         { return WX_STR_CALL(forString, s1.AsString(), s2); }
 355
 356 // This defines strcmp-like function, i.e. one returning the result of
 357 // comparison; see WX_STR_FUNC_NO_INVERT for explanation of the arguments
 358 #define WX_STRCMP_FUNC(name, crtA, crtW, forString)                           \
 359     WX_STR_FUNC_NO_INVERT(int, name, crtA, crtW, forString)                   \
 360                                                                               \
 361     inline int WX_STR_DECL(name, const char *, const wxCStrData&)             \
 362         { return -WX_STR_CALL(forString, s2.AsString(), s1); }                \
 363     inline int WX_STR_DECL(name, const char *, const wxString&)               \
 364         { return -WX_STR_CALL(forString, s2, s1); }                           \
 365                                                                               \
 366     inline int WX_STR_DECL(name, const wchar_t *, const wxCStrData&)          \
 367         { return -WX_STR_CALL(forString, s2.AsString(), s1); }                \
 368     inline int WX_STR_DECL(name, const wchar_t *, const wxString&)            \
 369         { return -WX_STR_CALL(forString, s2, s1); }                           \
 370                                                                               \
 371     inline int WX_STR_DECL(name, const wxCharBuffer&, const wxCStrData&)      \
 372         { return -WX_STR_CALL(forString, s2.AsString(), s1.data()); }         \
 373     inline int WX_STR_DECL(name, const wxCharBuffer&, const wxString&)        \
 374         { return -WX_STR_CALL(forString, s2, s1.data()); }                    \
 375                                                                               \
 376     inline int WX_STR_DECL(name, const wxWCharBuffer&, const wxCStrData&)     \
 377         { return -WX_STR_CALL(forString, s2.AsString(), s1.data()); }         \
 378     inline int WX_STR_DECL(name, const wxWCharBuffer&, const wxString&)       \
 379         { return -WX_STR_CALL(forString, s2, s1.data()); }
 380
 381
 382 // This defines a string function that is *not* strcmp-like, i.e. doesn't
 383 // return the result of comparison and so if the second argument is a string,
 384 // it has to be converted to char* or wchar_t*
 385 #define WX_STR_FUNC(rettype, name, crtA, crtW, forString)                     \
 386     WX_STR_FUNC_NO_INVERT(rettype, name, crtA, crtW, forString)               \
 387                                                                               \
 388     inline rettype WX_STR_DECL(name, const char *, const wxCStrData&)         \
 389         { return WX_STR_CALL(crtA, s1, s2.AsCharBuf()); }                     \
 390     inline rettype WX_STR_DECL(name, const char *, const wxString&)           \
 391         { return WX_STR_CALL(crtA, s1, s2.mb_str()); }                        \
 392                                                                               \
 393     inline rettype WX_STR_DECL(name, const wchar_t *, const wxCStrData&)      \
 394         { return WX_STR_CALL(crtW, s1, s2.AsWCharBuf()); }                    \
 395     inline rettype WX_STR_DECL(name, const wchar_t *, const wxString&)        \
 396         { return WX_STR_CALL(crtW, s1, s2.wc_str()); }                        \
 397                                                                               \
 398     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxCStrData&)  \
 399         { return WX_STR_CALL(crtA, s1.data(), s2.AsCharBuf()); }              \
 400     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxString&)    \
 401         { return WX_STR_CALL(crtA, s1.data(), s2.mb_str()); }                 \
 402                                                                               \
 403     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxCStrData&) \
 404         { return WX_STR_CALL(crtW, s1.data(), s2.AsWCharBuf()); }             \
 405     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxString&)   \
 406         { return WX_STR_CALL(crtW, s1.data(), s2.wc_str()); }
 407
 408 template<typename T>
 409 inline int wxStrcmp_String(const wxString& s1, const T& s2)
 410     { return s1.compare(s2); }
 411 WX_STRCMP_FUNC(wxStrcmp, wxCRT_StrcmpA, wxCRT_StrcmpW, wxStrcmp_String)
 412
 413 template<typename T>
 414 inline int wxStricmp_String(const wxString& s1, const T& s2)
 415     { return s1.CmpNoCase(s2); }
 416 WX_STRCMP_FUNC(wxStricmp, wxCRT_StricmpA, wxCRT_StricmpW, wxStricmp_String)
 417
 418 #if defined(wxCRT_StrcollA) && defined(wxCRT_StrcollW)
 419
 420 // GCC 3.3 and other compilers have a bug that causes it to fail compilation if
 421 // the template's implementation uses overloaded function declared later (see
 422 // the wxStrcoll() call in wxStrcoll_String<T>()), so we have to
 423 // forward-declare the template and implement it below WX_STRCMP_FUNC. OTOH,
 424 // this fails to compile with VC6, so don't do it for VC. It also causes
 425 // problems with GCC visibility in newer GCC versions.
 426 #if !(defined(__VISUALC__) || wxCHECK_GCC_VERSION(3,4))
 427 template<typename T>
 428 inline int wxStrcoll_String(const wxString& s1, const T& s2);
 429 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 430 #endif // !__VISUALC__
 431
 432 template<typename T>
 433 inline int wxStrcoll_String(const wxString& s1, const T& s2)
 434 {
 435 #if wxUSE_UNICODE
 436     // NB: strcoll() doesn't work correctly on UTF-8 strings, so we have to use
 437     //     wc_str() even if wxUSE_UNICODE_UTF8; the (const wchar_t*) cast is
 438     //     there just as optimization to avoid going through
 439     //     wxStrcoll<wxWCharBuffer>:
 440     return wxStrcoll((const wchar_t*)s1.wc_str(), s2);
 441 #else
 442     return wxStrcoll((const char*)s1.mb_str(), s2);
 443 #endif
 444 }
 445
 446 #if defined(__VISUALC__) || wxCHECK_GCC_VERSION(3,4)
 447 // this is exactly the same WX_STRCMP_FUNC line as above wxStrcoll_String<>
 448 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 449 #endif
 450
 451 #endif // defined(wxCRT_Strcoll[AW])
 452
 453 template<typename T>
 454 inline size_t wxStrspn_String(const wxString& s1, const T& s2)
 455 {
 456     size_t pos = s1.find_first_not_of(s2);
 457     return pos == wxString::npos ? s1.length() : pos;
 458 }
 459 WX_STR_FUNC(size_t, wxStrspn, wxCRT_StrspnA, wxCRT_StrspnW, wxStrspn_String)
 460
 461 template<typename T>
 462 inline size_t wxStrcspn_String(const wxString& s1, const T& s2)
 463 {
 464     size_t pos = s1.find_first_of(s2);
 465     return pos == wxString::npos ? s1.length() : pos;
 466 }
 467 WX_STR_FUNC(size_t, wxStrcspn, wxCRT_StrcspnA, wxCRT_StrcspnW, wxStrcspn_String)
 468
 469 #undef WX_STR_DECL
 470 #undef WX_STR_CALL
 471 #define WX_STR_DECL(name, T1, T2)  name(T1 s1, T2 s2, size_t n)
 472 #define WX_STR_CALL(func, a1, a2)  func(a1, a2, n)
 473
 474 template<typename T>
 475 inline int wxStrncmp_String(const wxString& s1, const T& s2, size_t n)
 476     { return s1.compare(0, n, s2, 0, n); }
 477 WX_STRCMP_FUNC(wxStrncmp, wxCRT_StrncmpA, wxCRT_StrncmpW, wxStrncmp_String)
 478
 479 template<typename T>
 480 inline int wxStrnicmp_String(const wxString& s1, const T& s2, size_t n)
 481     { return s1.substr(0, n).CmpNoCase(wxString(s2).substr(0, n)); }
 482 WX_STRCMP_FUNC(wxStrnicmp, wxCRT_StrnicmpA, wxCRT_StrnicmpW, wxStrnicmp_String)
 483
 484 #undef WX_STR_DECL
 485 #undef WX_STR_CALL
 486 #undef WX_STRCMP_FUNC
 487 #undef WX_STR_FUNC
 488 #undef WX_STR_FUNC_NO_INVERT
 489
 490 #if defined(wxCRT_StrxfrmA) && defined(wxCRT_StrxfrmW)
 491
 492 inline size_t wxStrxfrm(char *dest, const char *src, size_t n)
 493     { return wxCRT_StrxfrmA(dest, src, n); }
 494 inline size_t wxStrxfrm(wchar_t *dest, const wchar_t *src, size_t n)
 495     { return wxCRT_StrxfrmW(dest, src, n); }
 496 template<typename T>
 497 inline size_t wxStrxfrm(T *dest, const wxCharTypeBuffer<T>& src, size_t n)
 498     { return wxStrxfrm(dest, src.data(), n); }
 499 inline size_t wxStrxfrm(char *dest, const wxString& src, size_t n)
 500     { return wxCRT_StrxfrmA(dest, src.mb_str(), n); }
 501 inline size_t wxStrxfrm(wchar_t *dest, const wxString& src, size_t n)
 502     { return wxCRT_StrxfrmW(dest, src.wc_str(), n); }
 503 inline size_t wxStrxfrm(char *dest, const wxCStrData& src, size_t n)
 504     { return wxCRT_StrxfrmA(dest, src.AsCharBuf(), n); }
 505 inline size_t wxStrxfrm(wchar_t *dest, const wxCStrData& src, size_t n)
 506     { return wxCRT_StrxfrmW(dest, src.AsWCharBuf(), n); }
 507
 508 #endif // defined(wxCRT_Strxfrm[AW])
 509
 510 inline char *wxStrtok(char *str, const char *delim, char **saveptr)
 511     { return wxCRT_StrtokA(str, delim, saveptr); }
 512 inline wchar_t *wxStrtok(wchar_t *str, const wchar_t *delim, wchar_t **saveptr)
 513     { return wxCRT_StrtokW(str, delim, saveptr); }
 514 template<typename T>
 515 inline T *wxStrtok(T *str, const wxCharTypeBuffer<T>& delim, T **saveptr)
 516     { return wxStrtok(str, delim.data(), saveptr); }
 517 inline char *wxStrtok(char *str, const wxCStrData& delim, char **saveptr)
 518     { return wxCRT_StrtokA(str, delim.AsCharBuf(), saveptr); }
 519 inline wchar_t *wxStrtok(wchar_t *str, const wxCStrData& delim, wchar_t **saveptr)
 520     { return wxCRT_StrtokW(str, delim.AsWCharBuf(), saveptr); }
 521 inline char *wxStrtok(char *str, const wxString& delim, char **saveptr)
 522     { return wxCRT_StrtokA(str, delim.mb_str(), saveptr); }
 523 inline wchar_t *wxStrtok(wchar_t *str, const wxString& delim, wchar_t **saveptr)
 524     { return wxCRT_StrtokW(str, delim.wc_str(), saveptr); }
 525
 526 inline const char *wxStrstr(const char *haystack, const char *needle)
 527     { return wxCRT_StrstrA(haystack, needle); }
 528 inline const wchar_t *wxStrstr(const wchar_t *haystack, const wchar_t *needle)
 529     { return wxCRT_StrstrW(haystack, needle); }
 530 inline const char *wxStrstr(const char *haystack, const wxString& needle)
 531     { return wxCRT_StrstrA(haystack, needle.mb_str()); }
 532 inline const wchar_t *wxStrstr(const wchar_t *haystack, const wxString& needle)
 533     { return wxCRT_StrstrW(haystack, needle.wc_str()); }
 534 // these functions return char* pointer into the non-temporary conversion buffer
 535 // used by c_str()'s implicit conversion to char*, for ANSI build compatibility
 536 inline const char *wxStrstr(const wxString& haystack, const wxString& needle)
 537     { return wxCRT_StrstrA(haystack.c_str(), needle.mb_str()); }
 538 inline const char *wxStrstr(const wxCStrData& haystack, const wxString& needle)
 539     { return wxCRT_StrstrA(haystack, needle.mb_str()); }
 540 inline const char *wxStrstr(const wxCStrData& haystack, const wxCStrData& needle)
 541     { return wxCRT_StrstrA(haystack, needle.AsCharBuf()); }
 542 // if 'needle' is char/wchar_t, then the same is probably wanted as return value
 543 inline const char *wxStrstr(const wxString& haystack, const char *needle)
 544     { return wxCRT_StrstrA(haystack.c_str(), needle); }
 545 inline const char *wxStrstr(const wxCStrData& haystack, const char *needle)
 546     { return wxCRT_StrstrA(haystack, needle); }
 547 inline const wchar_t *wxStrstr(const wxString& haystack, const wchar_t *needle)
 548     { return wxCRT_StrstrW(haystack.c_str(), needle); }
 549 inline const wchar_t *wxStrstr(const wxCStrData& haystack, const wchar_t *needle)
 550     { return wxCRT_StrstrW(haystack, needle); }
 551
 552 inline const char *wxStrchr(const char *s, char c)
 553     { return wxCRT_StrchrA(s, c); }
 554 inline const wchar_t *wxStrchr(const wchar_t *s, wchar_t c)
 555     { return wxCRT_StrchrW(s, c); }
 556 inline const char *wxStrrchr(const char *s, char c)
 557     { return wxCRT_StrrchrA(s, c); }
 558 inline const wchar_t *wxStrrchr(const wchar_t *s, wchar_t c)
 559     { return wxCRT_StrrchrW(s, c); }
 560 inline const char *wxStrchr(const char *s, const wxUniChar& c)
 561     { return wxCRT_StrchrA(s, (char)c); }
 562 inline const wchar_t *wxStrchr(const wchar_t *s, const wxUniChar& c)
 563     { return wxCRT_StrchrW(s, (wchar_t)c); }
 564 inline const char *wxStrrchr(const char *s, const wxUniChar& c)
 565     { return wxCRT_StrrchrA(s, (char)c); }
 566 inline const wchar_t *wxStrrchr(const wchar_t *s, const wxUniChar& c)
 567     { return wxCRT_StrrchrW(s, (wchar_t)c); }
 568 inline const char *wxStrchr(const char *s, const wxUniCharRef& c)
 569     { return wxCRT_StrchrA(s, (char)c); }
 570 inline const wchar_t *wxStrchr(const wchar_t *s, const wxUniCharRef& c)
 571     { return wxCRT_StrchrW(s, (wchar_t)c); }
 572 inline const char *wxStrrchr(const char *s, const wxUniCharRef& c)
 573     { return wxCRT_StrrchrA(s, (char)c); }
 574 inline const wchar_t *wxStrrchr(const wchar_t *s, const wxUniCharRef& c)
 575     { return wxCRT_StrrchrW(s, (wchar_t)c); }
 576 template<typename T>
 577 inline const T* wxStrchr(const wxCharTypeBuffer<T>& s, T c)
 578     { return wxStrchr(s.data(), c); }
 579 template<typename T>
 580 inline const T* wxStrrchr(const wxCharTypeBuffer<T>& s, T c)
 581     { return wxStrrchr(s.data(), c); }
 582 template<typename T>
 583 inline const T* wxStrchr(const wxCharTypeBuffer<T>& s, const wxUniChar& c)
 584     { return wxStrchr(s.data(), (T)c); }
 585 template<typename T>
 586 inline const T* wxStrrchr(const wxCharTypeBuffer<T>& s, const wxUniChar& c)
 587     { return wxStrrchr(s.data(), (T)c); }
 588 template<typename T>
 589 inline const T* wxStrchr(const wxCharTypeBuffer<T>& s, const wxUniCharRef& c)
 590     { return wxStrchr(s.data(), (T)c); }
 591 template<typename T>
 592 inline const T* wxStrrchr(const wxCharTypeBuffer<T>& s, const wxUniCharRef& c)
 593     { return wxStrrchr(s.data(), (T)c); }
 594 // these functions return char* pointer into the non-temporary conversion buffer
 595 // used by c_str()'s implicit conversion to char*, for ANSI build compatibility
 596 inline const char* wxStrchr(const wxString& s, char c)
 597     { return wxCRT_StrchrA((const char*)s.c_str(), c); }
 598 inline const char* wxStrrchr(const wxString& s, char c)
 599     { return wxCRT_StrrchrA((const char*)s.c_str(), c); }
 600 inline const char* wxStrchr(const wxString& s, int c)
 601     { return wxCRT_StrchrA((const char*)s.c_str(), c); }
 602 inline const char* wxStrrchr(const wxString& s, int c)
 603     { return wxCRT_StrrchrA((const char*)s.c_str(), c); }
 604 inline const char* wxStrchr(const wxString& s, const wxUniChar& c)
 605     { return wxCRT_StrchrA((const char*)s.c_str(), (char)c); }
 606 inline const char* wxStrrchr(const wxString& s, const wxUniChar& c)
 607     { return wxCRT_StrrchrA((const char*)s.c_str(), (char)c); }
 608 inline const char* wxStrchr(const wxString& s, const wxUniCharRef& c)
 609     { return wxCRT_StrchrA((const char*)s.c_str(), (char)c); }
 610 inline const char* wxStrrchr(const wxString& s, const wxUniCharRef& c)
 611     { return wxCRT_StrrchrA((const char*)s.c_str(), (char)c); }
 612 inline const wchar_t* wxStrchr(const wxString& s, wchar_t c)
 613     { return wxCRT_StrchrW((const wchar_t*)s.c_str(), c); }
 614 inline const wchar_t* wxStrrchr(const wxString& s, wchar_t c)
 615     { return wxCRT_StrrchrW((const wchar_t*)s.c_str(), c); }
 616 inline const char* wxStrchr(const wxCStrData& s, char c)
 617     { return wxCRT_StrchrA(s.AsChar(), c); }
 618 inline const char* wxStrrchr(const wxCStrData& s, char c)
 619     { return wxCRT_StrrchrA(s.AsChar(), c); }
 620 inline const char* wxStrchr(const wxCStrData& s, int c)
 621     { return wxCRT_StrchrA(s.AsChar(), c); }
 622 inline const char* wxStrrchr(const wxCStrData& s, int c)
 623     { return wxCRT_StrrchrA(s.AsChar(), c); }
 624 inline const char* wxStrchr(const wxCStrData& s, const wxUniChar& c)
 625     { return wxCRT_StrchrA(s.AsChar(), (char)c); }
 626 inline const char* wxStrrchr(const wxCStrData& s, const wxUniChar& c)
 627     { return wxCRT_StrrchrA(s.AsChar(), (char)c); }
 628 inline const char* wxStrchr(const wxCStrData& s, const wxUniCharRef& c)
 629     { return wxCRT_StrchrA(s.AsChar(), (char)c); }
 630 inline const char* wxStrrchr(const wxCStrData& s, const wxUniCharRef& c)
 631     { return wxCRT_StrrchrA(s.AsChar(), (char)c); }
 632 inline const wchar_t* wxStrchr(const wxCStrData& s, wchar_t c)
 633     { return wxCRT_StrchrW(s.AsWChar(), c); }
 634 inline const wchar_t* wxStrrchr(const wxCStrData& s, wchar_t c)
 635     { return wxCRT_StrrchrW(s.AsWChar(), c); }
 636
 637 inline const char *wxStrpbrk(const char *s, const char *accept)
 638     { return wxCRT_StrpbrkA(s, accept); }
 639 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wchar_t *accept)
 640     { return wxCRT_StrpbrkW(s, accept); }
 641 inline const char *wxStrpbrk(const char *s, const wxString& accept)
 642     { return wxCRT_StrpbrkA(s, accept.mb_str()); }
 643 inline const char *wxStrpbrk(const char *s, const wxCStrData& accept)
 644     { return wxCRT_StrpbrkA(s, accept.AsCharBuf()); }
 645 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wxString& accept)
 646     { return wxCRT_StrpbrkW(s, accept.wc_str()); }
 647 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wxCStrData& accept)
 648     { return wxCRT_StrpbrkW(s, accept.AsWCharBuf()); }
 649 inline const char *wxStrpbrk(const wxString& s, const wxString& accept)
 650     { return wxCRT_StrpbrkA(s.c_str(), accept.mb_str()); }
 651 inline const char *wxStrpbrk(const wxString& s, const char *accept)
 652     { return wxCRT_StrpbrkA(s.c_str(), accept); }
 653 inline const wchar_t *wxStrpbrk(const wxString& s, const wchar_t *accept)
 654     { return wxCRT_StrpbrkW(s.wc_str(), accept); }
 655 inline const char *wxStrpbrk(const wxString& s, const wxCStrData& accept)
 656     { return wxCRT_StrpbrkA(s.c_str(), accept.AsCharBuf()); }
 657 inline const char *wxStrpbrk(const wxCStrData& s, const wxString& accept)
 658     { return wxCRT_StrpbrkA(s.AsChar(), accept.mb_str()); }
 659 inline const char *wxStrpbrk(const wxCStrData& s, const char *accept)
 660     { return wxCRT_StrpbrkA(s.AsChar(), accept); }
 661 inline const wchar_t *wxStrpbrk(const wxCStrData& s, const wchar_t *accept)
 662     { return wxCRT_StrpbrkW(s.AsWChar(), accept); }
 663 inline const char *wxStrpbrk(const wxCStrData& s, const wxCStrData& accept)
 664     { return wxCRT_StrpbrkA(s.AsChar(), accept.AsCharBuf()); }
 665 template <typename S, typename T>
 666 inline const T *wxStrpbrk(const S& s, const wxCharTypeBuffer<T>& accept)
 667     { return wxStrpbrk(s, accept.data()); }
 668
 669
 670 /* inlined non-const versions */
 671 inline char *wxStrstr(char *haystack, const char *needle)
 672     { return (char *)wxStrstr((const char *)haystack, needle); }
 673 inline wchar_t *wxStrstr(wchar_t *haystack, const wchar_t *needle)
 674     { return (wchar_t *)wxStrstr((const wchar_t *)haystack, needle); }
 675 inline char *wxStrstr(char *haystack, const wxString& needle)
 676     { return (char *)wxStrstr((const char *)haystack, needle); }
 677 inline wchar_t *wxStrstr(wchar_t *haystack, const wxString& needle)
 678     { return (wchar_t *)wxStrstr((const wchar_t *)haystack, needle); }
 679
 680 inline char * wxStrchr(char *s, char c)
 681     { return (char *)wxStrchr((const char *)s, c); }
 682 inline char * wxStrrchr(char *s, char c)
 683     { return (char *)wxStrrchr((const char *)s, c); }
 684 inline wchar_t * wxStrchr(wchar_t *s, wchar_t c)
 685     { return (wchar_t *)wxStrchr((const wchar_t *)s, c); }
 686 inline wchar_t * wxStrrchr(wchar_t *s, wchar_t c)
 687     { return (wchar_t *)wxStrrchr((const wchar_t *)s, c); }
 688
 689 inline char * wxStrpbrk(char *s, const char *accept)
 690     { return (char *)wxStrpbrk((const char *)s, accept); }
 691 inline wchar_t * wxStrpbrk(wchar_t *s, const wchar_t *accept)
 692     { return (wchar_t *)wxStrpbrk((const wchar_t *)s, accept); }
 693 inline char * wxStrpbrk(char *s, const wxString& accept)
 694     { return (char *)wxStrpbrk((const char *)s, accept); }
 695 inline wchar_t * wxStrpbrk(wchar_t *s, const wxString& accept)
 696     { return (wchar_t *)wxStrpbrk((const wchar_t *)s, accept); }
 697
 698
 699 // ----------------------------------------------------------------------------
 700 //                              stdio.h functions
 701 // ----------------------------------------------------------------------------
 702
 703 // NB: using fn_str() for mode is a hack to get the same type (char*/wchar_t*)
 704 //     as needed, the conversion itself doesn't matter, it's ASCII
 705 inline FILE *wxFopen(const wxString& path, const wxString& mode)
 706     { return wxCRT_Fopen(path.fn_str(), mode.fn_str()); }
 707 inline FILE *wxFreopen(const wxString& path, const wxString& mode, FILE *stream)
 708     { return wxCRT_Freopen(path.fn_str(), mode.fn_str(), stream); }
 709 inline int wxRemove(const wxString& path)
 710     { return wxCRT_Remove(path.fn_str()); }
 711 inline int wxRename(const wxString& oldpath, const wxString& newpath)
 712     { return wxCRT_Rename(oldpath.fn_str(), newpath.fn_str()); }
 713
 714 extern WXDLLIMPEXP_BASE int wxPuts(const wxString& s);
 715 extern WXDLLIMPEXP_BASE int wxFputs(const wxString& s, FILE *stream);
 716 extern WXDLLIMPEXP_BASE void wxPerror(const wxString& s);
 717
 718 extern WXDLLIMPEXP_BASE int wxFputc(const wxUniChar& c, FILE *stream);
 719
 720 #define wxPutc(c, stream)  wxFputc(c, stream)
 721 #define wxPutchar(c)       wxFputc(c, stdout)
 722 #define wxFputchar(c)      wxPutchar(c)
 723
 724 // NB: We only provide ANSI version of fgets() because fgetws() interprets the
 725 //     stream according to current locale, which is rarely what is desired.
 726 inline char *wxFgets(char *s, int size, FILE *stream)
 727     { return wxCRT_FgetsA(s, size, stream); }
 728 // This version calls ANSI version and converts the string using wxConvLibc
 729 extern WXDLLIMPEXP_BASE wchar_t *wxFgets(wchar_t *s, int size, FILE *stream);
 730
 731 #define wxGets(s) wxGets_is_insecure_and_dangerous_use_wxFgets_instead
 732
 733 // NB: We only provide ANSI versions of this for the same reasons as in the
 734 //     case of wxFgets() above
 735 inline int wxFgetc(FILE *stream) { return wxCRT_FgetcA(stream); }
 736 inline int wxUngetc(int c, FILE *stream) { return wxCRT_UngetcA(c, stream); }
 737
 738 #define wxGetc(stream)     wxFgetc(stream)
 739 #define wxGetchar()        wxFgetc(stdin)
 740 #define wxFgetchar()       wxGetchar()
 741
 742 // ----------------------------------------------------------------------------
 743 //                             stdlib.h functions
 744 // ----------------------------------------------------------------------------
 745
 746 #ifdef wxCRT_AtoiW
 747 inline int wxAtoi(const wxString& str) { return wxCRT_AtoiW(str.wc_str()); }
 748 #else
 749 inline int wxAtoi(const wxString& str) { return wxCRT_AtoiA(str.mb_str()); }
 750 #endif
 751
 752 #ifdef wxCRT_AtolW
 753 inline long wxAtol(const wxString& str) { return wxCRT_AtolW(str.wc_str()); }
 754 #else
 755 inline long wxAtol(const wxString& str) { return wxCRT_AtolA(str.mb_str()); }
 756 #endif
 757
 758 #ifdef wxCRT_AtofW
 759 inline double wxAtof(const wxString& str) { return wxCRT_AtofW(str.wc_str()); }
 760 #else
 761 inline double wxAtof(const wxString& str) { return wxCRT_AtofA(str.mb_str()); }
 762 #endif
 763
 764 inline double wxStrtod(const char *nptr, char **endptr)
 765     { return wxCRT_StrtodA(nptr, endptr); }
 766 inline double wxStrtod(const wchar_t *nptr, wchar_t **endptr)
 767     { return wxCRT_StrtodW(nptr, endptr); }
 768 template<typename T>
 769 inline double wxStrtod(const wxCharTypeBuffer<T>& nptr, T **endptr)
 770     { return wxStrtod(nptr.data(), endptr); }
 771
 772 // We implement wxStrto*() like this so that the code compiles when NULL is
 773 // passed in - - if we had just char** and wchar_t** overloads for 'endptr', it
 774 // would be ambiguous. The solution is to use a template so that endptr can be
 775 // any type: when NULL constant is used, the type will be int and we can handle
 776 // that case specially. Otherwise, we infer the type that 'nptr' should be
 777 // converted to from the type of 'endptr'. We need wxStrtoxCharType<T> template
 778 // to make the code compile even for T=int (that's the case when it's not going
 779 // to be ever used, but it still has to compile).
 780 template<typename T> struct wxStrtoxCharType {};
 781 template<> struct wxStrtoxCharType<char**>
 782 {
 783     typedef const char* Type;
 784     static char** AsPointer(char **p) { return p; }
 785 };
 786 template<> struct wxStrtoxCharType<wchar_t**>
 787 {
 788     typedef const wchar_t* Type;
 789     static wchar_t** AsPointer(wchar_t **p) { return p; }
 790 };
 791 template<> struct wxStrtoxCharType<int>
 792 {
 793     typedef const char* Type; /* this one is never used */
 794     static char** AsPointer(int WXUNUSED_UNLESS_DEBUG(p))
 795     {
 796         wxASSERT_MSG( p == 0, "passing non-NULL int is invalid" );
 797         return NULL;
 798     }
 799 };
 800
 801 template<typename T>
 802 inline double wxStrtod(const wxString& nptr, T endptr)
 803 {
 804     if ( endptr == 0 )
 805     {
 806         // when we don't care about endptr, use the string representation that
 807         // doesn't require any conversion (it doesn't matter for this function
 808         // even if its UTF-8):
 809         return wxStrtod(nptr.wx_str(), (wxStringCharType**)NULL);
 810     }
 811     else
 812     {
 813         // note that it is important to use c_str() here and not mb_str() or
 814         // wc_str(), because we store the pointer into (possibly converted)
 815         // buffer in endptr and so it must be valid even when wxStrtod() returns
 816         typedef typename wxStrtoxCharType<T>::Type CharType;
 817         return wxStrtod((CharType)nptr.c_str(),
 818                         wxStrtoxCharType<T>::AsPointer(endptr));
 819     }
 820 }
 821 template<typename T>
 822 inline double wxStrtod(const wxCStrData& nptr, T endptr)
 823     { return wxStrtod(nptr.AsString(), endptr); }
 824
 825
 826 #define WX_STRTOX_FUNC(rettype, name, implA, implW)                           \
 827     /* see wxStrtod() above for explanation of this code: */                  \
 828     inline rettype name(const char *nptr, char **endptr, int base)            \
 829         { return implA(nptr, endptr, base); }                                 \
 830     inline rettype name(const wchar_t *nptr, wchar_t **endptr, int base)      \
 831         { return implW(nptr, endptr, base); }                                 \
 832     template<typename T>                                                      \
 833     inline rettype name(const wxCharTypeBuffer<T>& nptr, T **endptr, int base)\
 834         { return name(nptr.data(), endptr); }                                 \
 835     template<typename T>                                                      \
 836     inline rettype name(const wxString& nptr, T endptr, int base)             \
 837     {                                                                         \
 838         if ( endptr == 0 )                                                    \
 839             return name(nptr.wx_str(), (wxStringCharType**)NULL, base);       \
 840         else                                                                  \
 841         {                                                                     \
 842             typedef typename wxStrtoxCharType<T>::Type CharType;              \
 843             return name((CharType)nptr.c_str(),                               \
 844                         wxStrtoxCharType<T>::AsPointer(endptr),               \
 845                         base);                                                \
 846         }                                                                     \
 847     }                                                                         \
 848     template<typename T>                                                      \
 849     inline rettype name(const wxCStrData& nptr, T endptr, int base)           \
 850         { return name(nptr.AsString(), endptr, base); }
 851
 852 WX_STRTOX_FUNC(long, wxStrtol, wxCRT_StrtolA, wxCRT_StrtolW)
 853 WX_STRTOX_FUNC(unsigned long, wxStrtoul, wxCRT_StrtoulA, wxCRT_StrtoulW)
 854 #ifdef wxLongLong_t
 855 WX_STRTOX_FUNC(wxLongLong_t, wxStrtoll, wxCRT_StrtollA, wxCRT_StrtollW)
 856 WX_STRTOX_FUNC(wxULongLong_t, wxStrtoull, wxCRT_StrtoullA, wxCRT_StrtoullW)
 857 #endif // wxLongLong_t
 858
 859 #undef WX_STRTOX_FUNC
 860
 861
 862 // there is no command interpreter under CE, hence no system()
 863 #ifndef __WXWINCE__
 864
 865 // mingw32 doesn't provide _tsystem() even though it provides other stdlib.h
 866 // functions in their wide versions
 867 #ifdef wxCRT_SystemW
 868 inline int wxSystem(const wxString& str) { return wxCRT_SystemW(str.wc_str()); }
 869 #else
 870 inline int wxSystem(const wxString& str) { return wxCRT_SystemA(str.mb_str()); }
 871 #endif
 872
 873 #endif // !__WXWINCE__/__WXWINCE__
 874
 875 inline char* wxGetenv(const char *name) { return wxCRT_GetenvA(name); }
 876 inline wchar_t* wxGetenv(const wchar_t *name) { return wxCRT_GetenvW(name); }
 877 inline char* wxGetenv(const wxString& name) { return wxCRT_GetenvA(name.mb_str()); }
 878 inline char* wxGetenv(const wxCStrData& name) { return wxCRT_GetenvA(name.AsCharBuf()); }
 879 inline char* wxGetenv(const wxCharBuffer& name) { return wxCRT_GetenvA(name.data()); }
 880 inline wchar_t* wxGetenv(const wxWCharBuffer& name) { return wxCRT_GetenvW(name.data()); }
 881
 882 // ----------------------------------------------------------------------------
 883 //                            time.h functions
 884 // ----------------------------------------------------------------------------
 885
 886 inline size_t wxStrftime(char *s, size_t max,
 887                          const wxString& format, const struct tm *tm)
 888     { return wxCRT_StrftimeA(s, max, format.mb_str(), tm); }
 889
 890 inline size_t wxStrftime(wchar_t *s, size_t max,
 891                          const wxString& format, const struct tm *tm)
 892     { return wxCRT_StrftimeW(s, max, format.wc_str(), tm); }
 893
 894 // NB: we can't provide both char* and wchar_t* versions for obvious reasons
 895 //     and returning wxString wouldn't work either (it would be immediately
 896 //     destroyed and if assigned to char*/wchar_t*, the pointer would be
 897 //     invalid), so we only keep ASCII version, because the returned value
 898 //     is always ASCII anyway
 899 #define  wxAsctime   asctime
 900 #define  wxCtime     ctime
 901
 902
 903 // ----------------------------------------------------------------------------
 904 //                             ctype.h functions
 905 // ----------------------------------------------------------------------------
 906
 907 // FIXME-UTF8: we'd be better off implementing these ourselves, as the CRT
 908 //             version is locale-dependent
 909 // FIXME-UTF8: these don't work when EOF is passed in because of wxUniChar,
 910 //             is this OK or not?
 911
 912 inline bool wxIsalnum(const wxUniChar& c)  { return wxCRT_IsalnumW(c) != 0; }
 913 inline bool wxIsalpha(const wxUniChar& c)  { return wxCRT_IsalphaW(c) != 0; }
 914 inline bool wxIscntrl(const wxUniChar& c)  { return wxCRT_IscntrlW(c) != 0; }
 915 inline bool wxIsdigit(const wxUniChar& c)  { return wxCRT_IsdigitW(c) != 0; }
 916 inline bool wxIsgraph(const wxUniChar& c)  { return wxCRT_IsgraphW(c) != 0; }
 917 inline bool wxIslower(const wxUniChar& c)  { return wxCRT_IslowerW(c) != 0; }
 918 inline bool wxIsprint(const wxUniChar& c)  { return wxCRT_IsprintW(c) != 0; }
 919 inline bool wxIspunct(const wxUniChar& c)  { return wxCRT_IspunctW(c) != 0; }
 920 inline bool wxIsspace(const wxUniChar& c)  { return wxCRT_IsspaceW(c) != 0; }
 921 inline bool wxIsupper(const wxUniChar& c)  { return wxCRT_IsupperW(c) != 0; }
 922 inline bool wxIsxdigit(const wxUniChar& c) { return wxCRT_IsxdigitW(c) != 0; }
 923
 924 inline wxUniChar wxTolower(const wxUniChar& c) { return wxCRT_TolowerW(c); }
 925 inline wxUniChar wxToupper(const wxUniChar& c) { return wxCRT_ToupperW(c); }
 926
 927 #if WXWIN_COMPATIBILITY_2_8
 928 // we had goofed and defined wxIsctrl() instead of (correct) wxIscntrl() in the
 929 // initial versions of this header -- now it is too late to remove it so
 930 // although we fixed the function/macro name above, still provide the
 931 // backwards-compatible synonym.
 932 wxDEPRECATED( inline int wxIsctrl(const wxUniChar& c) );
 933 inline int wxIsctrl(const wxUniChar& c) { return wxIscntrl(c); }
 934 #endif // WXWIN_COMPATIBILITY_2_8
 935
 936 #endif /* _WX_WXCRT_H_ */