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 #include "wx/wxcrtbase.h"
  17 #include "wx/string.h"
  18
  19 #ifndef __WX_SETUP_H__
  20 // For non-configure builds assume vsscanf is available, if not Visual C or DMC
  21 #if !defined (__VISUALC__) && !defined (__DMC__)
  22     #define HAVE_VSSCANF 1
  23 #endif
  24 #endif
  25
  26 // ============================================================================
  27 //                              misc functions
  28 // ============================================================================
  29
  30 /* checks whether the passed in pointer is NULL and if the string is empty */
  31 inline bool wxIsEmpty(const char *s) { return !s || !*s; }
  32 inline bool wxIsEmpty(const wchar_t *s) { return !s || !*s; }
  33 inline bool wxIsEmpty(const wxScopedCharBuffer& s) { return wxIsEmpty(s.data()); }
  34 inline bool wxIsEmpty(const wxScopedWCharBuffer& s) { return wxIsEmpty(s.data()); }
  35 inline bool wxIsEmpty(const wxString& s) { return s.empty(); }
  36 inline bool wxIsEmpty(const wxCStrData& s) { return s.AsString().empty(); }
  37
  38
  39
  40 /* multibyte to wide char conversion functions and macros */
  41
  42 #if wxUSE_WCHAR_T
  43     /* multibyte<->widechar conversion */
  44     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
  45     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
  46
  47     #if wxUSE_UNICODE
  48         #define wxMB2WX wxMB2WC
  49         #define wxWX2MB wxWC2MB
  50         #define wxWC2WX wxStrncpy
  51         #define wxWX2WC wxStrncpy
  52     #else
  53         #define wxMB2WX wxStrncpy
  54         #define wxWX2MB wxStrncpy
  55         #define wxWC2WX wxWC2MB
  56         #define wxWX2WC wxMB2WC
  57     #endif
  58 #else /* !wxUSE_UNICODE */
  59     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
  60     #define wxMB2WC wxStrncpy
  61     #define wxWC2MB wxStrncpy
  62     #define wxMB2WX wxStrncpy
  63     #define wxWX2MB wxStrncpy
  64     #define wxWC2WX wxWC2MB
  65     #define wxWX2WC wxMB2WC
  66 #endif
  67
  68
  69 //  RN: We could do the usual tricky compiler detection here,
  70 //  and use their variant (such as wmemchr, etc.).  The problem
  71 //  is that these functions are quite rare, even though they are
  72 //  part of the current POSIX standard.  In addition, most compilers
  73 //  (including even MSC) inline them just like we do right in their
  74 //  headers.
  75 //
  76 #include <string.h>
  77
  78 #if wxUSE_UNICODE
  79     //implement our own wmem variants
  80     inline wxChar* wxTmemchr(const wxChar* s, wxChar c, size_t l)
  81     {
  82         for(;l && *s != c;--l, ++s) {}
  83
  84         if(l)
  85             return const_cast<wxChar*>(s);
  86         return NULL;
  87     }
  88
  89     inline int wxTmemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
  90     {
  91         for(; *sz1 == *sz2 && len; --len, ++sz1, ++sz2) {}
  92
  93         if(len)
  94             return *sz1 < *sz2 ? -1 : *sz1 > *sz2;
  95         else
  96             return 0;
  97     }
  98
  99     inline wxChar* wxTmemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
 100     {
 101         return (wxChar*) memcpy(szOut, szIn, len * sizeof(wxChar));
 102     }
 103
 104     inline wxChar* wxTmemmove(wxChar* szOut, const wxChar* szIn, size_t len)
 105     {
 106         return (wxChar*) memmove(szOut, szIn, len * sizeof(wxChar));
 107     }
 108
 109     inline wxChar* wxTmemset(wxChar* szOut, const wxChar cIn, size_t len)
 110     {
 111         wxChar* szRet = szOut;
 112
 113         while (len--)
 114             *szOut++ = cIn;
 115
 116         return szRet;
 117     }
 118 #endif /* wxUSE_UNICODE */
 119
 120 // provide trivial wrappers for char* versions for both ANSI and Unicode builds
 121 // (notice that these intentionally return "char *" and not "void *" unlike the
 122 // standard memxxx() for symmetry with the wide char versions):
 123 inline char* wxTmemchr(const char* s, char c, size_t len)
 124     { return (char*)memchr(s, c, len); }
 125 inline int wxTmemcmp(const char* sz1, const char* sz2, size_t len)
 126     { return memcmp(sz1, sz2, len); }
 127 inline char* wxTmemcpy(char* szOut, const char* szIn, size_t len)
 128     { return (char*)memcpy(szOut, szIn, len); }
 129 inline char* wxTmemmove(char* szOut, const char* szIn, size_t len)
 130     { return (char*)memmove(szOut, szIn, len); }
 131 inline char* wxTmemset(char* szOut, const char cIn, size_t len)
 132     { return (char*)memset(szOut, cIn, len); }
 133
 134
 135 // ============================================================================
 136 //     wx wrappers for CRT functions in both char* and wchar_t* versions
 137 // ============================================================================
 138
 139 // A few notes on implementation of these wrappers:
 140 //
 141 // We need both char* and wchar_t* versions of functions like wxStrlen() for
 142 // compatibility with both ANSI and Unicode builds.
 143 //
 144 // This makes passing wxString or c_str()/mb_str()/wc_str() result to them
 145 // ambiguous, so we need to provide overrides for that as well (in cases where
 146 // it makes sense).
 147 //
 148 // We can do this without problems for some functions (wxStrlen()), but in some
 149 // cases, we can't stay compatible with both ANSI and Unicode builds, e.g. for
 150 // wxStrcpy(const wxString&), which can only return either char* or wchar_t*.
 151 // In these cases, we preserve ANSI build compatibility by returning char*.
 152
 153 // ----------------------------------------------------------------------------
 154 //                              locale functions
 155 // ----------------------------------------------------------------------------
 156
 157 // NB: we can't provide const wchar_t* (= wxChar*) overload, because calling
 158 //     wxSetlocale(category, NULL) -- which is a common thing to do -- would be
 159 //     ambiguous
 160 WXDLLIMPEXP_BASE char* wxSetlocale(int category, const char *locale);
 161 inline char* wxSetlocale(int category, const wxScopedCharBuffer& locale)
 162     { return wxSetlocale(category, locale.data()); }
 163 inline char* wxSetlocale(int category, const wxString& locale)
 164     { return wxSetlocale(category, locale.mb_str()); }
 165 inline char* wxSetlocale(int category, const wxCStrData& locale)
 166     { return wxSetlocale(category, locale.AsCharBuf()); }
 167
 168 // ----------------------------------------------------------------------------
 169 //                              string functions
 170 // ----------------------------------------------------------------------------
 171
 172 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 173 // NB: these are defined in wxcrtbase.h, see the comment there
 174 // inline size_t wxStrlen(const char *s) { return s ? strlen(s) : 0; }
 175 // inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_Strlen_(s) : 0; }
 176 inline size_t wxStrlen(const wxScopedCharBuffer& s) { return wxStrlen(s.data()); }
 177 inline size_t wxStrlen(const wxScopedWCharBuffer& s) { return wxStrlen(s.data()); }
 178 inline size_t wxStrlen(const wxString& s) { return s.length(); }
 179 inline size_t wxStrlen(const wxCStrData& s) { return s.AsString().length(); }
 180
 181 // this is a function new in 2.9 so we don't care about backwards compatibility and
 182 // so don't need to support wxScopedCharBuffer/wxScopedWCharBuffer overloads
 183 #if defined(wxCRT_StrnlenA)
 184 inline size_t wxStrnlen(const char *str, size_t maxlen) { return wxCRT_StrnlenA(str, maxlen); }
 185 #else
 186 inline size_t wxStrnlen(const char *str, size_t maxlen)
 187 {
 188     size_t n;
 189     for ( n = 0; n < maxlen; n++ )
 190         if ( !str[n] )
 191             break;
 192
 193     return n;
 194 }
 195 #endif
 196
 197 #if defined(wxCRT_StrnlenW)
 198 inline size_t wxStrnlen(const wchar_t *str, size_t maxlen) { return wxCRT_StrnlenW(str, maxlen); }
 199 #else
 200 inline size_t wxStrnlen(const wchar_t *str, size_t maxlen)
 201 {
 202     size_t n;
 203     for ( n = 0; n < maxlen; n++ )
 204         if ( !str[n] )
 205             break;
 206
 207     return n;
 208 }
 209 #endif
 210
 211 // NB: these are defined in wxcrtbase.h, see the comment there
 212 // inline char* wxStrdup(const char *s) { return wxStrdupA(s); }
 213 // inline wchar_t* wxStrdup(const wchar_t *s) { return wxStrdupW(s); }
 214 inline char* wxStrdup(const wxScopedCharBuffer& s) { return wxStrdup(s.data()); }
 215 inline wchar_t* wxStrdup(const wxScopedWCharBuffer& s) { return wxStrdup(s.data()); }
 216 inline char* wxStrdup(const wxString& s) { return wxStrdup(s.mb_str()); }
 217 inline char* wxStrdup(const wxCStrData& s) { return wxStrdup(s.AsCharBuf()); }
 218
 219 inline char *wxStrcpy(char *dest, const char *src)
 220     { return wxCRT_StrcpyA(dest, src); }
 221 inline wchar_t *wxStrcpy(wchar_t *dest, const wchar_t *src)
 222     { return wxCRT_StrcpyW(dest, src); }
 223 inline char *wxStrcpy(char *dest, const wxString& src)
 224     { return wxCRT_StrcpyA(dest, src.mb_str()); }
 225 inline char *wxStrcpy(char *dest, const wxCStrData& src)
 226     { return wxCRT_StrcpyA(dest, src.AsCharBuf()); }
 227 inline char *wxStrcpy(char *dest, const wxScopedCharBuffer& src)
 228     { return wxCRT_StrcpyA(dest, src.data()); }
 229 inline wchar_t *wxStrcpy(wchar_t *dest, const wxString& src)
 230     { return wxCRT_StrcpyW(dest, src.wc_str()); }
 231 inline wchar_t *wxStrcpy(wchar_t *dest, const wxCStrData& src)
 232     { return wxCRT_StrcpyW(dest, src.AsWCharBuf()); }
 233 inline wchar_t *wxStrcpy(wchar_t *dest, const wxScopedWCharBuffer& src)
 234     { return wxCRT_StrcpyW(dest, src.data()); }
 235 inline char *wxStrcpy(char *dest, const wchar_t *src)
 236     { return wxCRT_StrcpyA(dest, wxConvLibc.cWC2MB(src)); }
 237 inline wchar_t *wxStrcpy(wchar_t *dest, const char *src)
 238     { return wxCRT_StrcpyW(dest, wxConvLibc.cMB2WC(src)); }
 239
 240 inline char *wxStrncpy(char *dest, const char *src, size_t n)
 241     { return wxCRT_StrncpyA(dest, src, n); }
 242 inline wchar_t *wxStrncpy(wchar_t *dest, const wchar_t *src, size_t n)
 243     { return wxCRT_StrncpyW(dest, src, n); }
 244 inline char *wxStrncpy(char *dest, const wxString& src, size_t n)
 245     { return wxCRT_StrncpyA(dest, src.mb_str(), n); }
 246 inline char *wxStrncpy(char *dest, const wxCStrData& src, size_t n)
 247     { return wxCRT_StrncpyA(dest, src.AsCharBuf(), n); }
 248 inline char *wxStrncpy(char *dest, const wxScopedCharBuffer& src, size_t n)
 249     { return wxCRT_StrncpyA(dest, src.data(), n); }
 250 inline wchar_t *wxStrncpy(wchar_t *dest, const wxString& src, size_t n)
 251     { return wxCRT_StrncpyW(dest, src.wc_str(), n); }
 252 inline wchar_t *wxStrncpy(wchar_t *dest, const wxCStrData& src, size_t n)
 253     { return wxCRT_StrncpyW(dest, src.AsWCharBuf(), n); }
 254 inline wchar_t *wxStrncpy(wchar_t *dest, const wxScopedWCharBuffer& src, size_t n)
 255     { return wxCRT_StrncpyW(dest, src.data(), n); }
 256 inline char *wxStrncpy(char *dest, const wchar_t *src, size_t n)
 257     { return wxCRT_StrncpyA(dest, wxConvLibc.cWC2MB(src), n); }
 258 inline wchar_t *wxStrncpy(wchar_t *dest, const char *src, size_t n)
 259     { return wxCRT_StrncpyW(dest, wxConvLibc.cMB2WC(src), n); }
 260
 261 // this is a function new in 2.9 so we don't care about backwards compatibility and
 262 // so don't need to support wchar_t/char overloads
 263 inline size_t wxStrlcpy(char *dest, const char *src, size_t n)
 264 {
 265     const size_t len = wxCRT_StrlenA(src);
 266
 267     if ( n )
 268     {
 269         if ( n-- > len )
 270             n = len;
 271         wxCRT_StrncpyA(dest, src, n);
 272         dest[n] = '\0';
 273     }
 274
 275     return len;
 276 }
 277 inline size_t wxStrlcpy(wchar_t *dest, const wchar_t *src, size_t n)
 278 {
 279     const size_t len = wxCRT_StrlenW(src);
 280     if ( n )
 281     {
 282         if ( n-- > len )
 283             n = len;
 284         wxCRT_StrncpyW(dest, src, n);
 285         dest[n] = L'\0';
 286     }
 287
 288     return len;
 289 }
 290
 291 inline char *wxStrcat(char *dest, const char *src)
 292     { return wxCRT_StrcatA(dest, src); }
 293 inline wchar_t *wxStrcat(wchar_t *dest, const wchar_t *src)
 294     { return wxCRT_StrcatW(dest, src); }
 295 inline char *wxStrcat(char *dest, const wxString& src)
 296     { return wxCRT_StrcatA(dest, src.mb_str()); }
 297 inline char *wxStrcat(char *dest, const wxCStrData& src)
 298     { return wxCRT_StrcatA(dest, src.AsCharBuf()); }
 299 inline char *wxStrcat(char *dest, const wxScopedCharBuffer& src)
 300     { return wxCRT_StrcatA(dest, src.data()); }
 301 inline wchar_t *wxStrcat(wchar_t *dest, const wxString& src)
 302     { return wxCRT_StrcatW(dest, src.wc_str()); }
 303 inline wchar_t *wxStrcat(wchar_t *dest, const wxCStrData& src)
 304     { return wxCRT_StrcatW(dest, src.AsWCharBuf()); }
 305 inline wchar_t *wxStrcat(wchar_t *dest, const wxScopedWCharBuffer& src)
 306     { return wxCRT_StrcatW(dest, src.data()); }
 307 inline char *wxStrcat(char *dest, const wchar_t *src)
 308     { return wxCRT_StrcatA(dest, wxConvLibc.cWC2MB(src)); }
 309 inline wchar_t *wxStrcat(wchar_t *dest, const char *src)
 310     { return wxCRT_StrcatW(dest, wxConvLibc.cMB2WC(src)); }
 311
 312 inline char *wxStrncat(char *dest, const char *src, size_t n)
 313     { return wxCRT_StrncatA(dest, src, n); }
 314 inline wchar_t *wxStrncat(wchar_t *dest, const wchar_t *src, size_t n)
 315     { return wxCRT_StrncatW(dest, src, n); }
 316 inline char *wxStrncat(char *dest, const wxString& src, size_t n)
 317     { return wxCRT_StrncatA(dest, src.mb_str(), n); }
 318 inline char *wxStrncat(char *dest, const wxCStrData& src, size_t n)
 319     { return wxCRT_StrncatA(dest, src.AsCharBuf(), n); }
 320 inline char *wxStrncat(char *dest, const wxScopedCharBuffer& src, size_t n)
 321     { return wxCRT_StrncatA(dest, src.data(), n); }
 322 inline wchar_t *wxStrncat(wchar_t *dest, const wxString& src, size_t n)
 323     { return wxCRT_StrncatW(dest, src.wc_str(), n); }
 324 inline wchar_t *wxStrncat(wchar_t *dest, const wxCStrData& src, size_t n)
 325     { return wxCRT_StrncatW(dest, src.AsWCharBuf(), n); }
 326 inline wchar_t *wxStrncat(wchar_t *dest, const wxScopedWCharBuffer& src, size_t n)
 327     { return wxCRT_StrncatW(dest, src.data(), n); }
 328 inline char *wxStrncat(char *dest, const wchar_t *src, size_t n)
 329     { return wxCRT_StrncatA(dest, wxConvLibc.cWC2MB(src), n); }
 330 inline wchar_t *wxStrncat(wchar_t *dest, const char *src, size_t n)
 331     { return wxCRT_StrncatW(dest, wxConvLibc.cMB2WC(src), n); }
 332
 333
 334 #define WX_STR_DECL(name, T1, T2)  name(T1 s1, T2 s2)
 335 #define WX_STR_CALL(func, a1, a2)  func(a1, a2)
 336
 337 // This macro defines string function for all possible variants of arguments,
 338 // except for those taking wxString or wxCStrData as second argument.
 339 // Parameters:
 340 //   rettype   - return type
 341 //   name      - name of the (overloaded) function to define
 342 //   crtA      - function to call for char* versions (takes two arguments)
 343 //   crtW      - ditto for wchar_t* function
 344 //   forString - function to call when the *first* argument is wxString;
 345 //               the second argument can be any string type, so this is
 346 //               typically a template
 347 #define WX_STR_FUNC_NO_INVERT(rettype, name, crtA, crtW, forString)           \
 348     inline rettype WX_STR_DECL(name, const char *, const char *)              \
 349         { return WX_STR_CALL(crtA, s1, s2); }                                 \
 350     inline rettype WX_STR_DECL(name, const char *, const wchar_t *)           \
 351         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 352     inline rettype WX_STR_DECL(name, const char *, const wxScopedCharBuffer&)       \
 353         { return WX_STR_CALL(crtA, s1, s2.data()); }                          \
 354     inline rettype WX_STR_DECL(name, const char *, const wxScopedWCharBuffer&)      \
 355         { return WX_STR_CALL(forString, wxString(s1), s2.data()); }           \
 356                                                                               \
 357     inline rettype WX_STR_DECL(name, const wchar_t *, const wchar_t *)        \
 358         { return WX_STR_CALL(crtW, s1, s2); }                                 \
 359     inline rettype WX_STR_DECL(name, const wchar_t *, const char *)           \
 360         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 361     inline rettype WX_STR_DECL(name, const wchar_t *, const wxScopedWCharBuffer&)   \
 362         { return WX_STR_CALL(crtW, s1, s2.data()); }                          \
 363     inline rettype WX_STR_DECL(name, const wchar_t *, const wxScopedCharBuffer&)    \
 364         { return WX_STR_CALL(forString, wxString(s1), s2.data()); }           \
 365                                                                               \
 366     inline rettype WX_STR_DECL(name, const wxScopedCharBuffer&, const char *)       \
 367         { return WX_STR_CALL(crtA, s1.data(), s2); }                          \
 368     inline rettype WX_STR_DECL(name, const wxScopedCharBuffer&, const wchar_t *)    \
 369         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 370     inline rettype WX_STR_DECL(name, const wxScopedCharBuffer&, const wxScopedCharBuffer&)\
 371         { return WX_STR_CALL(crtA, s1.data(), s2.data()); }                   \
 372     inline rettype WX_STR_DECL(name, const wxScopedCharBuffer&, const wxScopedWCharBuffer&)   \
 373         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 374                                                                               \
 375     inline rettype WX_STR_DECL(name, const wxScopedWCharBuffer&, const wchar_t *)   \
 376         { return WX_STR_CALL(crtW, s1.data(), s2); }                          \
 377     inline rettype WX_STR_DECL(name, const wxScopedWCharBuffer&, const char *)      \
 378         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 379     inline rettype WX_STR_DECL(name, const wxScopedWCharBuffer&, const wxScopedWCharBuffer&)  \
 380         { return WX_STR_CALL(crtW, s1.data(), s2.data()); }                   \
 381     inline rettype WX_STR_DECL(name, const wxScopedWCharBuffer&, const wxScopedCharBuffer&)   \
 382         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 383                                                                               \
 384     inline rettype WX_STR_DECL(name, const wxString&, const char*)            \
 385         { return WX_STR_CALL(forString, s1, s2); }                            \
 386     inline rettype WX_STR_DECL(name, const wxString&, const wchar_t*)         \
 387         { return WX_STR_CALL(forString, s1, s2); }                            \
 388     inline rettype WX_STR_DECL(name, const wxString&, const wxScopedCharBuffer&)    \
 389         { return WX_STR_CALL(forString, s1, s2); }                            \
 390     inline rettype WX_STR_DECL(name, const wxString&, const wxScopedWCharBuffer&)   \
 391         { return WX_STR_CALL(forString, s1, s2); }                            \
 392     inline rettype WX_STR_DECL(name, const wxString&, const wxString&)        \
 393         { return WX_STR_CALL(forString, s1, s2); }                            \
 394     inline rettype WX_STR_DECL(name, const wxString&, const wxCStrData&)      \
 395         { return WX_STR_CALL(forString, s1, s2); }                            \
 396                                                                               \
 397     inline rettype WX_STR_DECL(name, const wxCStrData&, const char*)          \
 398         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 399     inline rettype WX_STR_DECL(name, const wxCStrData&, const wchar_t*)       \
 400         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 401     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxScopedCharBuffer&)  \
 402         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 403     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxScopedWCharBuffer&) \
 404         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 405     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxString&)      \
 406         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 407     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxCStrData&)    \
 408         { return WX_STR_CALL(forString, s1.AsString(), s2); }
 409
 410 // This defines strcmp-like function, i.e. one returning the result of
 411 // comparison; see WX_STR_FUNC_NO_INVERT for explanation of the arguments
 412 #define WX_STRCMP_FUNC(name, crtA, crtW, forString)                           \
 413     WX_STR_FUNC_NO_INVERT(int, name, crtA, crtW, forString)                   \
 414                                                                               \
 415     inline int WX_STR_DECL(name, const char *, const wxCStrData&)             \
 416         { return -WX_STR_CALL(forString, s2.AsString(), s1); }                \
 417     inline int WX_STR_DECL(name, const char *, const wxString&)               \
 418         { return -WX_STR_CALL(forString, s2, s1); }                           \
 419                                                                               \
 420     inline int WX_STR_DECL(name, const wchar_t *, const wxCStrData&)          \
 421         { return -WX_STR_CALL(forString, s2.AsString(), s1); }                \
 422     inline int WX_STR_DECL(name, const wchar_t *, const wxString&)            \
 423         { return -WX_STR_CALL(forString, s2, s1); }                           \
 424                                                                               \
 425     inline int WX_STR_DECL(name, const wxScopedCharBuffer&, const wxCStrData&)      \
 426         { return -WX_STR_CALL(forString, s2.AsString(), s1.data()); }         \
 427     inline int WX_STR_DECL(name, const wxScopedCharBuffer&, const wxString&)        \
 428         { return -WX_STR_CALL(forString, s2, s1.data()); }                    \
 429                                                                               \
 430     inline int WX_STR_DECL(name, const wxScopedWCharBuffer&, const wxCStrData&)     \
 431         { return -WX_STR_CALL(forString, s2.AsString(), s1.data()); }         \
 432     inline int WX_STR_DECL(name, const wxScopedWCharBuffer&, const wxString&)       \
 433         { return -WX_STR_CALL(forString, s2, s1.data()); }
 434
 435
 436 // This defines a string function that is *not* strcmp-like, i.e. doesn't
 437 // return the result of comparison and so if the second argument is a string,
 438 // it has to be converted to char* or wchar_t*
 439 #define WX_STR_FUNC(rettype, name, crtA, crtW, forString)                     \
 440     WX_STR_FUNC_NO_INVERT(rettype, name, crtA, crtW, forString)               \
 441                                                                               \
 442     inline rettype WX_STR_DECL(name, const char *, const wxCStrData&)         \
 443         { return WX_STR_CALL(crtA, s1, s2.AsCharBuf()); }                     \
 444     inline rettype WX_STR_DECL(name, const char *, const wxString&)           \
 445         { return WX_STR_CALL(crtA, s1, s2.mb_str()); }                        \
 446                                                                               \
 447     inline rettype WX_STR_DECL(name, const wchar_t *, const wxCStrData&)      \
 448         { return WX_STR_CALL(crtW, s1, s2.AsWCharBuf()); }                    \
 449     inline rettype WX_STR_DECL(name, const wchar_t *, const wxString&)        \
 450         { return WX_STR_CALL(crtW, s1, s2.wc_str()); }                        \
 451                                                                               \
 452     inline rettype WX_STR_DECL(name, const wxScopedCharBuffer&, const wxCStrData&)  \
 453         { return WX_STR_CALL(crtA, s1.data(), s2.AsCharBuf()); }              \
 454     inline rettype WX_STR_DECL(name, const wxScopedCharBuffer&, const wxString&)    \
 455         { return WX_STR_CALL(crtA, s1.data(), s2.mb_str()); }                 \
 456                                                                               \
 457     inline rettype WX_STR_DECL(name, const wxScopedWCharBuffer&, const wxCStrData&) \
 458         { return WX_STR_CALL(crtW, s1.data(), s2.AsWCharBuf()); }             \
 459     inline rettype WX_STR_DECL(name, const wxScopedWCharBuffer&, const wxString&)   \
 460         { return WX_STR_CALL(crtW, s1.data(), s2.wc_str()); }
 461
 462 template<typename T>
 463 inline int wxStrcmp_String(const wxString& s1, const T& s2)
 464     { return s1.compare(s2); }
 465 WX_STRCMP_FUNC(wxStrcmp, wxCRT_StrcmpA, wxCRT_StrcmpW, wxStrcmp_String)
 466
 467 template<typename T>
 468 inline int wxStricmp_String(const wxString& s1, const T& s2)
 469     { return s1.CmpNoCase(s2); }
 470 WX_STRCMP_FUNC(wxStricmp, wxCRT_StricmpA, wxCRT_StricmpW, wxStricmp_String)
 471
 472 #if defined(wxCRT_StrcollA) && defined(wxCRT_StrcollW)
 473
 474 // GCC 3.3 and other compilers have a bug that causes it to fail compilation if
 475 // the template's implementation uses overloaded function declared later (see
 476 // the wxStrcoll() call in wxStrcoll_String<T>()), so we have to
 477 // forward-declare the template and implement it below WX_STRCMP_FUNC. OTOH,
 478 // this fails to compile with VC6, so don't do it for VC. It also causes
 479 // problems with GCC visibility in newer GCC versions.
 480 #if !(defined(__VISUALC__) || wxCHECK_GCC_VERSION(3,4))
 481 template<typename T>
 482 inline int wxStrcoll_String(const wxString& s1, const T& s2);
 483 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 484 #endif // !__VISUALC__
 485
 486 template<typename T>
 487 inline int wxStrcoll_String(const wxString& s1, const T& s2)
 488 {
 489 #if wxUSE_UNICODE
 490     // NB: strcoll() doesn't work correctly on UTF-8 strings, so we have to use
 491     //     wc_str() even if wxUSE_UNICODE_UTF8; the (const wchar_t*) cast is
 492     //     there just as optimization to avoid going through
 493     //     wxStrcoll<wxScopedWCharBuffer>:
 494     return wxStrcoll((const wchar_t*)s1.wc_str(), s2);
 495 #else
 496     return wxStrcoll((const char*)s1.mb_str(), s2);
 497 #endif
 498 }
 499
 500 #if defined(__VISUALC__) || wxCHECK_GCC_VERSION(3,4)
 501 // this is exactly the same WX_STRCMP_FUNC line as above wxStrcoll_String<>
 502 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 503 #endif
 504
 505 #endif // defined(wxCRT_Strcoll[AW])
 506
 507 template<typename T>
 508 inline size_t wxStrspn_String(const wxString& s1, const T& s2)
 509 {
 510     size_t pos = s1.find_first_not_of(s2);
 511     return pos == wxString::npos ? s1.length() : pos;
 512 }
 513 WX_STR_FUNC(size_t, wxStrspn, wxCRT_StrspnA, wxCRT_StrspnW, wxStrspn_String)
 514
 515 template<typename T>
 516 inline size_t wxStrcspn_String(const wxString& s1, const T& s2)
 517 {
 518     size_t pos = s1.find_first_of(s2);
 519     return pos == wxString::npos ? s1.length() : pos;
 520 }
 521 WX_STR_FUNC(size_t, wxStrcspn, wxCRT_StrcspnA, wxCRT_StrcspnW, wxStrcspn_String)
 522
 523 #undef WX_STR_DECL
 524 #undef WX_STR_CALL
 525 #define WX_STR_DECL(name, T1, T2)  name(T1 s1, T2 s2, size_t n)
 526 #define WX_STR_CALL(func, a1, a2)  func(a1, a2, n)
 527
 528 template<typename T>
 529 inline int wxStrncmp_String(const wxString& s1, const T& s2, size_t n)
 530     { return s1.compare(0, n, s2, 0, n); }
 531 WX_STRCMP_FUNC(wxStrncmp, wxCRT_StrncmpA, wxCRT_StrncmpW, wxStrncmp_String)
 532
 533 template<typename T>
 534 inline int wxStrnicmp_String(const wxString& s1, const T& s2, size_t n)
 535     { return s1.substr(0, n).CmpNoCase(wxString(s2).substr(0, n)); }
 536 WX_STRCMP_FUNC(wxStrnicmp, wxCRT_StrnicmpA, wxCRT_StrnicmpW, wxStrnicmp_String)
 537
 538 #undef WX_STR_DECL
 539 #undef WX_STR_CALL
 540 #undef WX_STRCMP_FUNC
 541 #undef WX_STR_FUNC
 542 #undef WX_STR_FUNC_NO_INVERT
 543
 544 #if defined(wxCRT_StrxfrmA) && defined(wxCRT_StrxfrmW)
 545
 546 inline size_t wxStrxfrm(char *dest, const char *src, size_t n)
 547     { return wxCRT_StrxfrmA(dest, src, n); }
 548 inline size_t wxStrxfrm(wchar_t *dest, const wchar_t *src, size_t n)
 549     { return wxCRT_StrxfrmW(dest, src, n); }
 550 template<typename T>
 551 inline size_t wxStrxfrm(T *dest, const wxScopedCharTypeBuffer<T>& src, size_t n)
 552     { return wxStrxfrm(dest, src.data(), n); }
 553 inline size_t wxStrxfrm(char *dest, const wxString& src, size_t n)
 554     { return wxCRT_StrxfrmA(dest, src.mb_str(), n); }
 555 inline size_t wxStrxfrm(wchar_t *dest, const wxString& src, size_t n)
 556     { return wxCRT_StrxfrmW(dest, src.wc_str(), n); }
 557 inline size_t wxStrxfrm(char *dest, const wxCStrData& src, size_t n)
 558     { return wxCRT_StrxfrmA(dest, src.AsCharBuf(), n); }
 559 inline size_t wxStrxfrm(wchar_t *dest, const wxCStrData& src, size_t n)
 560     { return wxCRT_StrxfrmW(dest, src.AsWCharBuf(), n); }
 561
 562 #endif // defined(wxCRT_Strxfrm[AW])
 563
 564 inline char *wxStrtok(char *str, const char *delim, char **saveptr)
 565     { return wxCRT_StrtokA(str, delim, saveptr); }
 566 inline wchar_t *wxStrtok(wchar_t *str, const wchar_t *delim, wchar_t **saveptr)
 567     { return wxCRT_StrtokW(str, delim, saveptr); }
 568 template<typename T>
 569 inline T *wxStrtok(T *str, const wxScopedCharTypeBuffer<T>& delim, T **saveptr)
 570     { return wxStrtok(str, delim.data(), saveptr); }
 571 inline char *wxStrtok(char *str, const wxCStrData& delim, char **saveptr)
 572     { return wxCRT_StrtokA(str, delim.AsCharBuf(), saveptr); }
 573 inline wchar_t *wxStrtok(wchar_t *str, const wxCStrData& delim, wchar_t **saveptr)
 574     { return wxCRT_StrtokW(str, delim.AsWCharBuf(), saveptr); }
 575 inline char *wxStrtok(char *str, const wxString& delim, char **saveptr)
 576     { return wxCRT_StrtokA(str, delim.mb_str(), saveptr); }
 577 inline wchar_t *wxStrtok(wchar_t *str, const wxString& delim, wchar_t **saveptr)
 578     { return wxCRT_StrtokW(str, delim.wc_str(), saveptr); }
 579
 580 inline const char *wxStrstr(const char *haystack, const char *needle)
 581     { return wxCRT_StrstrA(haystack, needle); }
 582 inline const wchar_t *wxStrstr(const wchar_t *haystack, const wchar_t *needle)
 583     { return wxCRT_StrstrW(haystack, needle); }
 584 inline const char *wxStrstr(const char *haystack, const wxString& needle)
 585     { return wxCRT_StrstrA(haystack, needle.mb_str()); }
 586 inline const wchar_t *wxStrstr(const wchar_t *haystack, const wxString& needle)
 587     { return wxCRT_StrstrW(haystack, needle.wc_str()); }
 588 // these functions return char* pointer into the non-temporary conversion buffer
 589 // used by c_str()'s implicit conversion to char*, for ANSI build compatibility
 590 inline const char *wxStrstr(const wxString& haystack, const wxString& needle)
 591     { return wxCRT_StrstrA(haystack.c_str(), needle.mb_str()); }
 592 inline const char *wxStrstr(const wxCStrData& haystack, const wxString& needle)
 593     { return wxCRT_StrstrA(haystack, needle.mb_str()); }
 594 inline const char *wxStrstr(const wxCStrData& haystack, const wxCStrData& needle)
 595     { return wxCRT_StrstrA(haystack, needle.AsCharBuf()); }
 596 // if 'needle' is char/wchar_t, then the same is probably wanted as return value
 597 inline const char *wxStrstr(const wxString& haystack, const char *needle)
 598     { return wxCRT_StrstrA(haystack.c_str(), needle); }
 599 inline const char *wxStrstr(const wxCStrData& haystack, const char *needle)
 600     { return wxCRT_StrstrA(haystack, needle); }
 601 inline const wchar_t *wxStrstr(const wxString& haystack, const wchar_t *needle)
 602     { return wxCRT_StrstrW(haystack.c_str(), needle); }
 603 inline const wchar_t *wxStrstr(const wxCStrData& haystack, const wchar_t *needle)
 604     { return wxCRT_StrstrW(haystack, needle); }
 605
 606 inline const char *wxStrchr(const char *s, char c)
 607     { return wxCRT_StrchrA(s, c); }
 608 inline const wchar_t *wxStrchr(const wchar_t *s, wchar_t c)
 609     { return wxCRT_StrchrW(s, c); }
 610 inline const char *wxStrrchr(const char *s, char c)
 611     { return wxCRT_StrrchrA(s, c); }
 612 inline const wchar_t *wxStrrchr(const wchar_t *s, wchar_t c)
 613     { return wxCRT_StrrchrW(s, c); }
 614 inline const char *wxStrchr(const char *s, const wxUniChar& uc)
 615     { char c; return uc.GetAsChar(&c) ? wxCRT_StrchrA(s, c) : NULL; }
 616 inline const wchar_t *wxStrchr(const wchar_t *s, const wxUniChar& c)
 617     { return wxCRT_StrchrW(s, (wchar_t)c); }
 618 inline const char *wxStrrchr(const char *s, const wxUniChar& uc)
 619     { char c; return uc.GetAsChar(&c) ? wxCRT_StrrchrA(s, c) : NULL; }
 620 inline const wchar_t *wxStrrchr(const wchar_t *s, const wxUniChar& c)
 621     { return wxCRT_StrrchrW(s, (wchar_t)c); }
 622 inline const char *wxStrchr(const char *s, const wxUniCharRef& uc)
 623     { char c; return uc.GetAsChar(&c) ? wxCRT_StrchrA(s, c) : NULL; }
 624 inline const wchar_t *wxStrchr(const wchar_t *s, const wxUniCharRef& c)
 625     { return wxCRT_StrchrW(s, (wchar_t)c); }
 626 inline const char *wxStrrchr(const char *s, const wxUniCharRef& uc)
 627     { char c; return uc.GetAsChar(&c) ? wxCRT_StrrchrA(s, c) : NULL; }
 628 inline const wchar_t *wxStrrchr(const wchar_t *s, const wxUniCharRef& c)
 629     { return wxCRT_StrrchrW(s, (wchar_t)c); }
 630 template<typename T>
 631 inline const T* wxStrchr(const wxScopedCharTypeBuffer<T>& s, T c)
 632     { return wxStrchr(s.data(), c); }
 633 template<typename T>
 634 inline const T* wxStrrchr(const wxScopedCharTypeBuffer<T>& s, T c)
 635     { return wxStrrchr(s.data(), c); }
 636 template<typename T>
 637 inline const T* wxStrchr(const wxScopedCharTypeBuffer<T>& s, const wxUniChar& c)
 638     { return wxStrchr(s.data(), (T)c); }
 639 template<typename T>
 640 inline const T* wxStrrchr(const wxScopedCharTypeBuffer<T>& s, const wxUniChar& c)
 641     { return wxStrrchr(s.data(), (T)c); }
 642 template<typename T>
 643 inline const T* wxStrchr(const wxScopedCharTypeBuffer<T>& s, const wxUniCharRef& c)
 644     { return wxStrchr(s.data(), (T)c); }
 645 template<typename T>
 646 inline const T* wxStrrchr(const wxScopedCharTypeBuffer<T>& s, const wxUniCharRef& c)
 647     { return wxStrrchr(s.data(), (T)c); }
 648 // these functions return char* pointer into the non-temporary conversion buffer
 649 // used by c_str()'s implicit conversion to char*, for ANSI build compatibility
 650 inline const char* wxStrchr(const wxString& s, char c)
 651     { return wxCRT_StrchrA((const char*)s.c_str(), c); }
 652 inline const char* wxStrrchr(const wxString& s, char c)
 653     { return wxCRT_StrrchrA((const char*)s.c_str(), c); }
 654 inline const char* wxStrchr(const wxString& s, int c)
 655     { return wxCRT_StrchrA((const char*)s.c_str(), c); }
 656 inline const char* wxStrrchr(const wxString& s, int c)
 657     { return wxCRT_StrrchrA((const char*)s.c_str(), c); }
 658 inline const char* wxStrchr(const wxString& s, const wxUniChar& uc)
 659     { char c; return uc.GetAsChar(&c) ? wxCRT_StrchrA(s.c_str(), c) : NULL; }
 660 inline const char* wxStrrchr(const wxString& s, const wxUniChar& uc)
 661     { char c; return uc.GetAsChar(&c) ? wxCRT_StrrchrA(s.c_str(), c) : NULL; }
 662 inline const char* wxStrchr(const wxString& s, const wxUniCharRef& uc)
 663     { char c; return uc.GetAsChar(&c) ? wxCRT_StrchrA(s.c_str(), c) : NULL; }
 664 inline const char* wxStrrchr(const wxString& s, const wxUniCharRef& uc)
 665     { char c; return uc.GetAsChar(&c) ? wxCRT_StrrchrA(s.c_str(), c) : NULL; }
 666 inline const wchar_t* wxStrchr(const wxString& s, wchar_t c)
 667     { return wxCRT_StrchrW((const wchar_t*)s.c_str(), c); }
 668 inline const wchar_t* wxStrrchr(const wxString& s, wchar_t c)
 669     { return wxCRT_StrrchrW((const wchar_t*)s.c_str(), c); }
 670 inline const char* wxStrchr(const wxCStrData& s, char c)
 671     { return wxCRT_StrchrA(s.AsChar(), c); }
 672 inline const char* wxStrrchr(const wxCStrData& s, char c)
 673     { return wxCRT_StrrchrA(s.AsChar(), c); }
 674 inline const char* wxStrchr(const wxCStrData& s, int c)
 675     { return wxCRT_StrchrA(s.AsChar(), c); }
 676 inline const char* wxStrrchr(const wxCStrData& s, int c)
 677     { return wxCRT_StrrchrA(s.AsChar(), c); }
 678 inline const char* wxStrchr(const wxCStrData& s, const wxUniChar& uc)
 679     { char c; return uc.GetAsChar(&c) ? wxCRT_StrchrA(s, c) : NULL; }
 680 inline const char* wxStrrchr(const wxCStrData& s, const wxUniChar& uc)
 681     { char c; return uc.GetAsChar(&c) ? wxCRT_StrrchrA(s, c) : NULL; }
 682 inline const char* wxStrchr(const wxCStrData& s, const wxUniCharRef& uc)
 683     { char c; return uc.GetAsChar(&c) ? wxCRT_StrchrA(s, c) : NULL; }
 684 inline const char* wxStrrchr(const wxCStrData& s, const wxUniCharRef& uc)
 685     { char c; return uc.GetAsChar(&c) ? wxCRT_StrrchrA(s, c) : NULL; }
 686 inline const wchar_t* wxStrchr(const wxCStrData& s, wchar_t c)
 687     { return wxCRT_StrchrW(s.AsWChar(), c); }
 688 inline const wchar_t* wxStrrchr(const wxCStrData& s, wchar_t c)
 689     { return wxCRT_StrrchrW(s.AsWChar(), c); }
 690
 691 inline const char *wxStrpbrk(const char *s, const char *accept)
 692     { return wxCRT_StrpbrkA(s, accept); }
 693 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wchar_t *accept)
 694     { return wxCRT_StrpbrkW(s, accept); }
 695 inline const char *wxStrpbrk(const char *s, const wxString& accept)
 696     { return wxCRT_StrpbrkA(s, accept.mb_str()); }
 697 inline const char *wxStrpbrk(const char *s, const wxCStrData& accept)
 698     { return wxCRT_StrpbrkA(s, accept.AsCharBuf()); }
 699 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wxString& accept)
 700     { return wxCRT_StrpbrkW(s, accept.wc_str()); }
 701 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wxCStrData& accept)
 702     { return wxCRT_StrpbrkW(s, accept.AsWCharBuf()); }
 703 inline const char *wxStrpbrk(const wxString& s, const wxString& accept)
 704     { return wxCRT_StrpbrkA(s.c_str(), accept.mb_str()); }
 705 inline const char *wxStrpbrk(const wxString& s, const char *accept)
 706     { return wxCRT_StrpbrkA(s.c_str(), accept); }
 707 inline const wchar_t *wxStrpbrk(const wxString& s, const wchar_t *accept)
 708     { return wxCRT_StrpbrkW(s.wc_str(), accept); }
 709 inline const char *wxStrpbrk(const wxString& s, const wxCStrData& accept)
 710     { return wxCRT_StrpbrkA(s.c_str(), accept.AsCharBuf()); }
 711 inline const char *wxStrpbrk(const wxCStrData& s, const wxString& accept)
 712     { return wxCRT_StrpbrkA(s.AsChar(), accept.mb_str()); }
 713 inline const char *wxStrpbrk(const wxCStrData& s, const char *accept)
 714     { return wxCRT_StrpbrkA(s.AsChar(), accept); }
 715 inline const wchar_t *wxStrpbrk(const wxCStrData& s, const wchar_t *accept)
 716     { return wxCRT_StrpbrkW(s.AsWChar(), accept); }
 717 inline const char *wxStrpbrk(const wxCStrData& s, const wxCStrData& accept)
 718     { return wxCRT_StrpbrkA(s.AsChar(), accept.AsCharBuf()); }
 719 template <typename S, typename T>
 720 inline const T *wxStrpbrk(const S& s, const wxScopedCharTypeBuffer<T>& accept)
 721     { return wxStrpbrk(s, accept.data()); }
 722
 723
 724 /* inlined non-const versions */
 725 template <typename T>
 726 inline char *wxStrstr(char *haystack, T needle)
 727     { return const_cast<char*>(wxStrstr(const_cast<const char*>(haystack), needle)); }
 728 template <typename T>
 729 inline wchar_t *wxStrstr(wchar_t *haystack, T needle)
 730     { return const_cast<wchar_t*>(wxStrstr(const_cast<const wchar_t*>(haystack), needle)); }
 731
 732 template <typename T>
 733 inline char * wxStrchr(char *s, T c)
 734     { return const_cast<char*>(wxStrchr(const_cast<const char*>(s), c)); }
 735 template <typename T>
 736 inline wchar_t * wxStrchr(wchar_t *s, T c)
 737     { return (wchar_t *)wxStrchr((const wchar_t *)s, c); }
 738 template <typename T>
 739 inline char * wxStrrchr(char *s, T c)
 740     { return const_cast<char*>(wxStrrchr(const_cast<const char*>(s), c)); }
 741 template <typename T>
 742 inline wchar_t * wxStrrchr(wchar_t *s, T c)
 743     { return const_cast<wchar_t*>(wxStrrchr(const_cast<const wchar_t*>(s), c)); }
 744
 745 template <typename T>
 746 inline char * wxStrpbrk(char *s, T accept)
 747     { return const_cast<char*>(wxStrpbrk(const_cast<const char*>(s), accept)); }
 748 template <typename T>
 749 inline wchar_t * wxStrpbrk(wchar_t *s, T accept)
 750     { return const_cast<wchar_t*>(wxStrpbrk(const_cast<const wchar_t*>(s), accept)); }
 751
 752
 753 // ----------------------------------------------------------------------------
 754 //                              stdio.h functions
 755 // ----------------------------------------------------------------------------
 756
 757 // NB: using fn_str() for mode is a hack to get the same type (char*/wchar_t*)
 758 //     as needed, the conversion itself doesn't matter, it's ASCII
 759 inline FILE *wxFopen(const wxString& path, const wxString& mode)
 760     { return wxCRT_Fopen(path.fn_str(), mode.fn_str()); }
 761 inline FILE *wxFreopen(const wxString& path, const wxString& mode, FILE *stream)
 762     { return wxCRT_Freopen(path.fn_str(), mode.fn_str(), stream); }
 763 inline int wxRemove(const wxString& path)
 764     { return wxCRT_Remove(path.fn_str()); }
 765 inline int wxRename(const wxString& oldpath, const wxString& newpath)
 766     { return wxCRT_Rename(oldpath.fn_str(), newpath.fn_str()); }
 767
 768 extern WXDLLIMPEXP_BASE int wxPuts(const wxString& s);
 769 extern WXDLLIMPEXP_BASE int wxFputs(const wxString& s, FILE *stream);
 770 extern WXDLLIMPEXP_BASE void wxPerror(const wxString& s);
 771
 772 extern WXDLLIMPEXP_BASE int wxFputc(const wxUniChar& c, FILE *stream);
 773
 774 #define wxPutc(c, stream)  wxFputc(c, stream)
 775 #define wxPutchar(c)       wxFputc(c, stdout)
 776 #define wxFputchar(c)      wxPutchar(c)
 777
 778 // NB: We only provide ANSI version of fgets() because fgetws() interprets the
 779 //     stream according to current locale, which is rarely what is desired.
 780 inline char *wxFgets(char *s, int size, FILE *stream)
 781     { return wxCRT_FgetsA(s, size, stream); }
 782 // This version calls ANSI version and converts the string using wxConvLibc
 783 extern WXDLLIMPEXP_BASE wchar_t *wxFgets(wchar_t *s, int size, FILE *stream);
 784
 785 #define wxGets(s) wxGets_is_insecure_and_dangerous_use_wxFgets_instead
 786
 787 // NB: We only provide ANSI versions of this for the same reasons as in the
 788 //     case of wxFgets() above
 789 inline int wxFgetc(FILE *stream) { return wxCRT_FgetcA(stream); }
 790 inline int wxUngetc(int c, FILE *stream) { return wxCRT_UngetcA(c, stream); }
 791
 792 #define wxGetc(stream)     wxFgetc(stream)
 793 #define wxGetchar()        wxFgetc(stdin)
 794 #define wxFgetchar()       wxGetchar()
 795
 796 // ----------------------------------------------------------------------------
 797 //                             stdlib.h functions
 798 // ----------------------------------------------------------------------------
 799
 800 #ifdef wxCRT_AtoiW
 801 inline int wxAtoi(const wxString& str) { return wxCRT_AtoiW(str.wc_str()); }
 802 #else
 803 inline int wxAtoi(const wxString& str) { return wxCRT_AtoiA(str.mb_str()); }
 804 #endif
 805
 806 #ifdef wxCRT_AtolW
 807 inline long wxAtol(const wxString& str) { return wxCRT_AtolW(str.wc_str()); }
 808 #else
 809 inline long wxAtol(const wxString& str) { return wxCRT_AtolA(str.mb_str()); }
 810 #endif
 811
 812 #ifdef wxCRT_AtofW
 813 inline double wxAtof(const wxString& str) { return wxCRT_AtofW(str.wc_str()); }
 814 #else
 815 inline double wxAtof(const wxString& str) { return wxCRT_AtofA(str.mb_str()); }
 816 #endif
 817
 818 inline double wxStrtod(const char *nptr, char **endptr)
 819     { return wxCRT_StrtodA(nptr, endptr); }
 820 inline double wxStrtod(const wchar_t *nptr, wchar_t **endptr)
 821     { return wxCRT_StrtodW(nptr, endptr); }
 822 template<typename T>
 823 inline double wxStrtod(const wxScopedCharTypeBuffer<T>& nptr, T **endptr)
 824     { return wxStrtod(nptr.data(), endptr); }
 825
 826 // We implement wxStrto*() like this so that the code compiles when NULL is
 827 // passed in - - if we had just char** and wchar_t** overloads for 'endptr', it
 828 // would be ambiguous. The solution is to use a template so that endptr can be
 829 // any type: when NULL constant is used, the type will be int and we can handle
 830 // that case specially. Otherwise, we infer the type that 'nptr' should be
 831 // converted to from the type of 'endptr'. We need wxStrtoxCharType<T> template
 832 // to make the code compile even for T=int (that's the case when it's not going
 833 // to be ever used, but it still has to compile).
 834 template<typename T> struct wxStrtoxCharType {};
 835 template<> struct wxStrtoxCharType<char**>
 836 {
 837     typedef const char* Type;
 838     static char** AsPointer(char **p) { return p; }
 839 };
 840 template<> struct wxStrtoxCharType<wchar_t**>
 841 {
 842     typedef const wchar_t* Type;
 843     static wchar_t** AsPointer(wchar_t **p) { return p; }
 844 };
 845 template<> struct wxStrtoxCharType<int>
 846 {
 847     typedef const char* Type; /* this one is never used */
 848     static char** AsPointer(int WXUNUSED_UNLESS_DEBUG(p))
 849     {
 850         wxASSERT_MSG( p == 0, "passing non-NULL int is invalid" );
 851         return NULL;
 852     }
 853 };
 854
 855 template<typename T>
 856 inline double wxStrtod(const wxString& nptr, T endptr)
 857 {
 858     if ( endptr == 0 )
 859     {
 860         // when we don't care about endptr, use the string representation that
 861         // doesn't require any conversion (it doesn't matter for this function
 862         // even if its UTF-8):
 863         return wxStrtod(nptr.wx_str(), (wxStringCharType**)NULL);
 864     }
 865     else
 866     {
 867         // note that it is important to use c_str() here and not mb_str() or
 868         // wc_str(), because we store the pointer into (possibly converted)
 869         // buffer in endptr and so it must be valid even when wxStrtod() returns
 870         typedef typename wxStrtoxCharType<T>::Type CharType;
 871         return wxStrtod((CharType)nptr.c_str(),
 872                         wxStrtoxCharType<T>::AsPointer(endptr));
 873     }
 874 }
 875 template<typename T>
 876 inline double wxStrtod(const wxCStrData& nptr, T endptr)
 877     { return wxStrtod(nptr.AsString(), endptr); }
 878
 879
 880 #define WX_STRTOX_FUNC(rettype, name, implA, implW)                           \
 881     /* see wxStrtod() above for explanation of this code: */                  \
 882     inline rettype name(const char *nptr, char **endptr, int base)            \
 883         { return implA(nptr, endptr, base); }                                 \
 884     inline rettype name(const wchar_t *nptr, wchar_t **endptr, int base)      \
 885         { return implW(nptr, endptr, base); }                                 \
 886     template<typename T>                                                      \
 887     inline rettype name(const wxScopedCharTypeBuffer<T>& nptr, T **endptr, int base)\
 888         { return name(nptr.data(), endptr); }                                 \
 889     template<typename T>                                                      \
 890     inline rettype name(const wxString& nptr, T endptr, int base)             \
 891     {                                                                         \
 892         if ( endptr == 0 )                                                    \
 893             return name(nptr.wx_str(), (wxStringCharType**)NULL, base);       \
 894         else                                                                  \
 895         {                                                                     \
 896             typedef typename wxStrtoxCharType<T>::Type CharType;              \
 897             return name((CharType)nptr.c_str(),                               \
 898                         wxStrtoxCharType<T>::AsPointer(endptr),               \
 899                         base);                                                \
 900         }                                                                     \
 901     }                                                                         \
 902     template<typename T>                                                      \
 903     inline rettype name(const wxCStrData& nptr, T endptr, int base)           \
 904         { return name(nptr.AsString(), endptr, base); }
 905
 906 WX_STRTOX_FUNC(long, wxStrtol, wxCRT_StrtolA, wxCRT_StrtolW)
 907 WX_STRTOX_FUNC(unsigned long, wxStrtoul, wxCRT_StrtoulA, wxCRT_StrtoulW)
 908 #ifdef wxLongLong_t
 909 WX_STRTOX_FUNC(wxLongLong_t, wxStrtoll, wxCRT_StrtollA, wxCRT_StrtollW)
 910 WX_STRTOX_FUNC(wxULongLong_t, wxStrtoull, wxCRT_StrtoullA, wxCRT_StrtoullW)
 911 #endif // wxLongLong_t
 912
 913 #undef WX_STRTOX_FUNC
 914
 915
 916 // there is no command interpreter under CE, hence no system()
 917 #ifndef __WXWINCE__
 918
 919 // mingw32 doesn't provide _tsystem() even though it provides other stdlib.h
 920 // functions in their wide versions
 921 #ifdef wxCRT_SystemW
 922 inline int wxSystem(const wxString& str) { return wxCRT_SystemW(str.wc_str()); }
 923 #else
 924 inline int wxSystem(const wxString& str) { return wxCRT_SystemA(str.mb_str()); }
 925 #endif
 926
 927 #endif // !__WXWINCE__/__WXWINCE__
 928
 929 inline char* wxGetenv(const char *name) { return wxCRT_GetenvA(name); }
 930 inline wchar_t* wxGetenv(const wchar_t *name) { return wxCRT_GetenvW(name); }
 931 inline char* wxGetenv(const wxString& name) { return wxCRT_GetenvA(name.mb_str()); }
 932 inline char* wxGetenv(const wxCStrData& name) { return wxCRT_GetenvA(name.AsCharBuf()); }
 933 inline char* wxGetenv(const wxScopedCharBuffer& name) { return wxCRT_GetenvA(name.data()); }
 934 inline wchar_t* wxGetenv(const wxScopedWCharBuffer& name) { return wxCRT_GetenvW(name.data()); }
 935
 936 // ----------------------------------------------------------------------------
 937 //                            time.h functions
 938 // ----------------------------------------------------------------------------
 939
 940 inline size_t wxStrftime(char *s, size_t max,
 941                          const wxString& format, const struct tm *tm)
 942     { return wxCRT_StrftimeA(s, max, format.mb_str(), tm); }
 943
 944 inline size_t wxStrftime(wchar_t *s, size_t max,
 945                          const wxString& format, const struct tm *tm)
 946     { return wxCRT_StrftimeW(s, max, format.wc_str(), tm); }
 947
 948 // NB: we can't provide both char* and wchar_t* versions for obvious reasons
 949 //     and returning wxString wouldn't work either (it would be immediately
 950 //     destroyed and if assigned to char*/wchar_t*, the pointer would be
 951 //     invalid), so we only keep ASCII version, because the returned value
 952 //     is always ASCII anyway
 953 #define  wxAsctime   asctime
 954 #define  wxCtime     ctime
 955
 956
 957 // ----------------------------------------------------------------------------
 958 //                             ctype.h functions
 959 // ----------------------------------------------------------------------------
 960
 961 // FIXME-UTF8: we'd be better off implementing these ourselves, as the CRT
 962 //             version is locale-dependent
 963 // FIXME-UTF8: these don't work when EOF is passed in because of wxUniChar,
 964 //             is this OK or not?
 965
 966 inline bool wxIsalnum(const wxUniChar& c)  { return wxCRT_IsalnumW(c) != 0; }
 967 inline bool wxIsalpha(const wxUniChar& c)  { return wxCRT_IsalphaW(c) != 0; }
 968 inline bool wxIscntrl(const wxUniChar& c)  { return wxCRT_IscntrlW(c) != 0; }
 969 inline bool wxIsdigit(const wxUniChar& c)  { return wxCRT_IsdigitW(c) != 0; }
 970 inline bool wxIsgraph(const wxUniChar& c)  { return wxCRT_IsgraphW(c) != 0; }
 971 inline bool wxIslower(const wxUniChar& c)  { return wxCRT_IslowerW(c) != 0; }
 972 inline bool wxIsprint(const wxUniChar& c)  { return wxCRT_IsprintW(c) != 0; }
 973 inline bool wxIspunct(const wxUniChar& c)  { return wxCRT_IspunctW(c) != 0; }
 974 inline bool wxIsspace(const wxUniChar& c)  { return wxCRT_IsspaceW(c) != 0; }
 975 inline bool wxIsupper(const wxUniChar& c)  { return wxCRT_IsupperW(c) != 0; }
 976 inline bool wxIsxdigit(const wxUniChar& c) { return wxCRT_IsxdigitW(c) != 0; }
 977
 978 inline wxUniChar wxTolower(const wxUniChar& c) { return wxCRT_TolowerW(c); }
 979 inline wxUniChar wxToupper(const wxUniChar& c) { return wxCRT_ToupperW(c); }
 980
 981 #if WXWIN_COMPATIBILITY_2_8
 982 // we had goofed and defined wxIsctrl() instead of (correct) wxIscntrl() in the
 983 // initial versions of this header -- now it is too late to remove it so
 984 // although we fixed the function/macro name above, still provide the
 985 // backwards-compatible synonym.
 986 wxDEPRECATED( inline int wxIsctrl(const wxUniChar& c) );
 987 inline int wxIsctrl(const wxUniChar& c) { return wxIscntrl(c); }
 988 #endif // WXWIN_COMPATIBILITY_2_8
 989
 990 #endif /* _WX_WXCRT_H_ */