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
  43 /* multibyte to wide char conversion functions and macros */
  44
  45 #if wxUSE_WCHAR_T
  46     /* multibyte<->widechar conversion */
  47     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
  48     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
  49
  50     #if wxUSE_UNICODE
  51         #define wxMB2WX wxMB2WC
  52         #define wxWX2MB wxWC2MB
  53         #define wxWC2WX wxStrncpy
  54         #define wxWX2WC wxStrncpy
  55     #else
  56         #define wxMB2WX wxStrncpy
  57         #define wxWX2MB wxStrncpy
  58         #define wxWC2WX wxWC2MB
  59         #define wxWX2WC wxMB2WC
  60     #endif
  61 #else /* !wxUSE_UNICODE */
  62     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
  63     #define wxMB2WC wxStrncpy
  64     #define wxWC2MB wxStrncpy
  65     #define wxMB2WX wxStrncpy
  66     #define wxWX2MB wxStrncpy
  67     #define wxWC2WX wxWC2MB
  68     #define wxWX2WC wxMB2WC
  69 #endif
  70
  71
  72 //  RN: We could do the usual tricky compiler detection here,
  73 //  and use their variant (such as wmemchr, etc.).  The problem
  74 //  is that these functions are quite rare, even though they are
  75 //  part of the current POSIX standard.  In addition, most compilers
  76 //  (including even MSC) inline them just like we do right in their
  77 //  headers.
  78 //
  79 #include <string.h>
  80
  81 #if wxUSE_UNICODE
  82     //implement our own wmem variants
  83     inline wxChar* wxTmemchr(const wxChar* s, wxChar c, size_t l)
  84     {
  85         for(;l && *s != c;--l, ++s) {}
  86
  87         if(l)
  88             return (wxChar*)s;
  89         return NULL;
  90     }
  91
  92     inline int wxTmemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
  93     {
  94         for(; *sz1 == *sz2 && len; --len, ++sz1, ++sz2) {}
  95
  96         if(len)
  97             return *sz1 < *sz2 ? -1 : *sz1 > *sz2;
  98         else
  99             return 0;
 100     }
 101
 102     inline wxChar* wxTmemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
 103     {
 104         return (wxChar*) memcpy(szOut, szIn, len * sizeof(wxChar));
 105     }
 106
 107     inline wxChar* wxTmemmove(wxChar* szOut, const wxChar* szIn, size_t len)
 108     {
 109         return (wxChar*) memmove(szOut, szIn, len * sizeof(wxChar));
 110     }
 111
 112     inline wxChar* wxTmemset(wxChar* szOut, const wxChar cIn, size_t len)
 113     {
 114         wxChar* szRet = szOut;
 115
 116         while (len--)
 117             *szOut++ = cIn;
 118
 119         return szRet;
 120     }
 121 #endif /* wxUSE_UNICODE */
 122
 123 // provide trivial wrappers for char* versions for both ANSI and Unicode builds
 124 // (notice that these intentionally return "char *" and not "void *" unlike the
 125 // standard memxxx() for symmetry with the wide char versions):
 126 inline char* wxTmemchr(const char* s, char c, size_t len)
 127     { return (char*)memchr(s, c, len); }
 128 inline int wxTmemcmp(const char* sz1, const char* sz2, size_t len)
 129     { return memcmp(sz1, sz2, len); }
 130 inline char* wxTmemcpy(char* szOut, const char* szIn, size_t len)
 131     { return (char*)memcpy(szOut, szIn, len); }
 132 inline char* wxTmemmove(char* szOut, const char* szIn, size_t len)
 133     { return (char*)memmove(szOut, szIn, len); }
 134 inline char* wxTmemset(char* szOut, const char cIn, size_t len)
 135     { return (char*)memset(szOut, cIn, len); }
 136
 137
 138 // ============================================================================
 139 //     wx wrappers for CRT functions in both char* and wchar_t* versions
 140 // ============================================================================
 141
 142 // A few notes on implementation of these wrappers:
 143 //
 144 // We need both char* and wchar_t* versions of functions like wxStrlen() for
 145 // compatibility with both ANSI and Unicode builds.
 146 //
 147 // This makes passing wxString or c_str()/mb_str()/wc_str() result to them
 148 // ambiguous, so we need to provide overrides for that as well (in cases where
 149 // it makes sense).
 150 //
 151 // We can do this without problems for some functions (wxStrlen()), but in some
 152 // cases, we can't stay compatible with both ANSI and Unicode builds, e.g. for
 153 // wxStrcpy(const wxString&), which can only return either char* or wchar_t*.
 154 // In these cases, we preserve ANSI build compatibility by returning char*.
 155
 156 // ----------------------------------------------------------------------------
 157 //                              locale functions
 158 // ----------------------------------------------------------------------------
 159
 160 // NB: we can't provide const wchar_t* (= wxChar*) overload, because calling
 161 //     wxSetlocale(category, NULL) -- which is a common thing to do -- would be
 162 //     ambiguous
 163 WXDLLIMPEXP_BASE char* wxSetlocale(int category, const char *locale);
 164 inline char* wxSetlocale(int category, const wxCharBuffer& locale)
 165     { return wxSetlocale(category, locale.data()); }
 166 inline char* wxSetlocale(int category, const wxString& locale)
 167     { return wxSetlocale(category, locale.mb_str()); }
 168 inline char* wxSetlocale(int category, const wxCStrData& locale)
 169     { return wxSetlocale(category, locale.AsCharBuf()); }
 170
 171 // ----------------------------------------------------------------------------
 172 //                              string functions
 173 // ----------------------------------------------------------------------------
 174
 175 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 176 // NB: these are defined in wxcrtbase.h, see the comment there
 177 // inline size_t wxStrlen(const char *s) { return s ? strlen(s) : 0; }
 178 // inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_Strlen_(s) : 0; }
 179 inline size_t wxStrlen(const wxCharBuffer& s) { return wxStrlen(s.data()); }
 180 inline size_t wxStrlen(const wxWCharBuffer& s) { return wxStrlen(s.data()); }
 181 inline size_t wxStrlen(const wxString& s) { return s.length(); }
 182 inline size_t wxStrlen(const wxCStrData& s) { return s.AsString().length(); }
 183
 184 // this is a function new in 2.9 so we don't care about backwards compatibility and
 185 // so don't need to support wxCharBuffer/wxWCharBuffer overloads
 186 #if defined(wxCRT_StrnlenA)
 187 inline size_t wxStrnlen(const char *str, size_t maxlen) { return wxCRT_StrnlenA(str, maxlen); }
 188 #else
 189 inline size_t wxStrnlen(const char *str, size_t maxlen)
 190 {
 191     size_t n;
 192     for ( n = 0; n < maxlen; n++ )
 193         if ( !str[n] )
 194             break;
 195
 196     return n;
 197 }
 198 #endif
 199
 200 #if defined(wxCRT_StrnlenW)
 201 inline size_t wxStrnlen(const wchar_t *str, size_t maxlen) { return wxCRT_StrnlenW(str, maxlen); }
 202 #else
 203 inline size_t wxStrnlen(const wchar_t *str, size_t maxlen)
 204 {
 205     size_t n;
 206     for ( n = 0; n < maxlen; n++ )
 207         if ( !str[n] )
 208             break;
 209
 210     return n;
 211 }
 212 #endif
 213
 214 // NB: these are defined in wxcrtbase.h, see the comment there
 215 // inline char* wxStrdup(const char *s) { return wxStrdupA(s); }
 216 // inline wchar_t* wxStrdup(const wchar_t *s) { return wxStrdupW(s); }
 217 inline char* wxStrdup(const wxCharBuffer& s) { return wxStrdup(s.data()); }
 218 inline wchar_t* wxStrdup(const wxWCharBuffer& s) { return wxStrdup(s.data()); }
 219 inline char* wxStrdup(const wxString& s) { return wxStrdup(s.mb_str()); }
 220 inline char* wxStrdup(const wxCStrData& s) { return wxStrdup(s.AsCharBuf()); }
 221
 222 inline char *wxStrcpy(char *dest, const char *src)
 223     { return wxCRT_StrcpyA(dest, src); }
 224 inline wchar_t *wxStrcpy(wchar_t *dest, const wchar_t *src)
 225     { return wxCRT_StrcpyW(dest, src); }
 226 inline char *wxStrcpy(char *dest, const wxString& src)
 227     { return wxCRT_StrcpyA(dest, src.mb_str()); }
 228 inline char *wxStrcpy(char *dest, const wxCStrData& src)
 229     { return wxCRT_StrcpyA(dest, src.AsCharBuf()); }
 230 inline char *wxStrcpy(char *dest, const wxCharBuffer& src)
 231     { return wxCRT_StrcpyA(dest, src.data()); }
 232 inline wchar_t *wxStrcpy(wchar_t *dest, const wxString& src)
 233     { return wxCRT_StrcpyW(dest, src.wc_str()); }
 234 inline wchar_t *wxStrcpy(wchar_t *dest, const wxCStrData& src)
 235     { return wxCRT_StrcpyW(dest, src.AsWCharBuf()); }
 236 inline wchar_t *wxStrcpy(wchar_t *dest, const wxWCharBuffer& src)
 237     { return wxCRT_StrcpyW(dest, src.data()); }
 238 inline char *wxStrcpy(char *dest, const wchar_t *src)
 239     { return wxCRT_StrcpyA(dest, wxConvLibc.cWC2MB(src)); }
 240 inline wchar_t *wxStrcpy(wchar_t *dest, const char *src)
 241     { return wxCRT_StrcpyW(dest, wxConvLibc.cMB2WC(src)); }
 242
 243 inline char *wxStrncpy(char *dest, const char *src, size_t n)
 244     { return wxCRT_StrncpyA(dest, src, n); }
 245 inline wchar_t *wxStrncpy(wchar_t *dest, const wchar_t *src, size_t n)
 246     { return wxCRT_StrncpyW(dest, src, n); }
 247 inline char *wxStrncpy(char *dest, const wxString& src, size_t n)
 248     { return wxCRT_StrncpyA(dest, src.mb_str(), n); }
 249 inline char *wxStrncpy(char *dest, const wxCStrData& src, size_t n)
 250     { return wxCRT_StrncpyA(dest, src.AsCharBuf(), n); }
 251 inline char *wxStrncpy(char *dest, const wxCharBuffer& src, size_t n)
 252     { return wxCRT_StrncpyA(dest, src.data(), n); }
 253 inline wchar_t *wxStrncpy(wchar_t *dest, const wxString& src, size_t n)
 254     { return wxCRT_StrncpyW(dest, src.wc_str(), n); }
 255 inline wchar_t *wxStrncpy(wchar_t *dest, const wxCStrData& src, size_t n)
 256     { return wxCRT_StrncpyW(dest, src.AsWCharBuf(), n); }
 257 inline wchar_t *wxStrncpy(wchar_t *dest, const wxWCharBuffer& src, size_t n)
 258     { return wxCRT_StrncpyW(dest, src.data(), n); }
 259 inline char *wxStrncpy(char *dest, const wchar_t *src, size_t n)
 260     { return wxCRT_StrncpyA(dest, wxConvLibc.cWC2MB(src), n); }
 261 inline wchar_t *wxStrncpy(wchar_t *dest, const char *src, size_t n)
 262     { return wxCRT_StrncpyW(dest, wxConvLibc.cMB2WC(src), n); }
 263
 264 // this is a function new in 2.9 so we don't care about backwards compatibility and
 265 // so don't need to support wchar_t/char overloads
 266 inline size_t wxStrlcpy(char *dest, const char *src, size_t n)
 267 {
 268     const size_t len = wxCRT_StrlenA(src);
 269
 270     if ( n )
 271     {
 272         if ( n-- > len )
 273             n = len;
 274         wxCRT_StrncpyA(dest, src, n);
 275         dest[n] = '\0';
 276     }
 277
 278     return len;
 279 }
 280 inline size_t wxStrlcpy(wchar_t *dest, const wchar_t *src, size_t n)
 281 {
 282     const size_t len = wxCRT_StrlenW(src);
 283     if ( n )
 284     {
 285         if ( n-- > len )
 286             n = len;
 287         wxCRT_StrncpyW(dest, src, n);
 288         dest[n] = L'\0';
 289     }
 290
 291     return len;
 292 }
 293
 294 inline char *wxStrcat(char *dest, const char *src)
 295     { return wxCRT_StrcatA(dest, src); }
 296 inline wchar_t *wxStrcat(wchar_t *dest, const wchar_t *src)
 297     { return wxCRT_StrcatW(dest, src); }
 298 inline char *wxStrcat(char *dest, const wxString& src)
 299     { return wxCRT_StrcatA(dest, src.mb_str()); }
 300 inline char *wxStrcat(char *dest, const wxCStrData& src)
 301     { return wxCRT_StrcatA(dest, src.AsCharBuf()); }
 302 inline char *wxStrcat(char *dest, const wxCharBuffer& src)
 303     { return wxCRT_StrcatA(dest, src.data()); }
 304 inline wchar_t *wxStrcat(wchar_t *dest, const wxString& src)
 305     { return wxCRT_StrcatW(dest, src.wc_str()); }
 306 inline wchar_t *wxStrcat(wchar_t *dest, const wxCStrData& src)
 307     { return wxCRT_StrcatW(dest, src.AsWCharBuf()); }
 308 inline wchar_t *wxStrcat(wchar_t *dest, const wxWCharBuffer& src)
 309     { return wxCRT_StrcatW(dest, src.data()); }
 310 inline char *wxStrcat(char *dest, const wchar_t *src)
 311     { return wxCRT_StrcatA(dest, wxConvLibc.cWC2MB(src)); }
 312 inline wchar_t *wxStrcat(wchar_t *dest, const char *src)
 313     { return wxCRT_StrcatW(dest, wxConvLibc.cMB2WC(src)); }
 314
 315 inline char *wxStrncat(char *dest, const char *src, size_t n)
 316     { return wxCRT_StrncatA(dest, src, n); }
 317 inline wchar_t *wxStrncat(wchar_t *dest, const wchar_t *src, size_t n)
 318     { return wxCRT_StrncatW(dest, src, n); }
 319 inline char *wxStrncat(char *dest, const wxString& src, size_t n)
 320     { return wxCRT_StrncatA(dest, src.mb_str(), n); }
 321 inline char *wxStrncat(char *dest, const wxCStrData& src, size_t n)
 322     { return wxCRT_StrncatA(dest, src.AsCharBuf(), n); }
 323 inline char *wxStrncat(char *dest, const wxCharBuffer& src, size_t n)
 324     { return wxCRT_StrncatA(dest, src.data(), n); }
 325 inline wchar_t *wxStrncat(wchar_t *dest, const wxString& src, size_t n)
 326     { return wxCRT_StrncatW(dest, src.wc_str(), n); }
 327 inline wchar_t *wxStrncat(wchar_t *dest, const wxCStrData& src, size_t n)
 328     { return wxCRT_StrncatW(dest, src.AsWCharBuf(), n); }
 329 inline wchar_t *wxStrncat(wchar_t *dest, const wxWCharBuffer& src, size_t n)
 330     { return wxCRT_StrncatW(dest, src.data(), n); }
 331 inline char *wxStrncat(char *dest, const wchar_t *src, size_t n)
 332     { return wxCRT_StrncatA(dest, wxConvLibc.cWC2MB(src), n); }
 333 inline wchar_t *wxStrncat(wchar_t *dest, const char *src, size_t n)
 334     { return wxCRT_StrncatW(dest, wxConvLibc.cMB2WC(src), n); }
 335
 336
 337 #define WX_STR_DECL(name, T1, T2)  name(T1 s1, T2 s2)
 338 #define WX_STR_CALL(func, a1, a2)  func(a1, a2)
 339
 340 // This macro defines string function for all possible variants of arguments,
 341 // except for those taking wxString or wxCStrData as second argument.
 342 // Parameters:
 343 //   rettype   - return type
 344 //   name      - name of the (overloaded) function to define
 345 //   crtA      - function to call for char* versions (takes two arguments)
 346 //   crtW      - ditto for wchar_t* function
 347 //   forString - function to call when the *first* argument is wxString;
 348 //               the second argument can be any string type, so this is
 349 //               typically a template
 350 #define WX_STR_FUNC_NO_INVERT(rettype, name, crtA, crtW, forString)           \
 351     inline rettype WX_STR_DECL(name, const char *, const char *)              \
 352         { return WX_STR_CALL(crtA, s1, s2); }                                 \
 353     inline rettype WX_STR_DECL(name, const char *, const wchar_t *)           \
 354         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 355     inline rettype WX_STR_DECL(name, const char *, const wxCharBuffer&)       \
 356         { return WX_STR_CALL(crtA, s1, s2.data()); }                          \
 357     inline rettype WX_STR_DECL(name, const char *, const wxWCharBuffer&)      \
 358         { return WX_STR_CALL(forString, wxString(s1), s2.data()); }           \
 359                                                                               \
 360     inline rettype WX_STR_DECL(name, const wchar_t *, const wchar_t *)        \
 361         { return WX_STR_CALL(crtW, s1, s2); }                                 \
 362     inline rettype WX_STR_DECL(name, const wchar_t *, const char *)           \
 363         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 364     inline rettype WX_STR_DECL(name, const wchar_t *, const wxWCharBuffer&)   \
 365         { return WX_STR_CALL(crtW, s1, s2.data()); }                          \
 366     inline rettype WX_STR_DECL(name, const wchar_t *, const wxCharBuffer&)    \
 367         { return WX_STR_CALL(forString, wxString(s1), s2.data()); }           \
 368                                                                               \
 369     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const char *)       \
 370         { return WX_STR_CALL(crtA, s1.data(), s2); }                          \
 371     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wchar_t *)    \
 372         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 373     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxCharBuffer&)\
 374         { return WX_STR_CALL(crtA, s1.data(), s2.data()); }                   \
 375     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxWCharBuffer&)   \
 376         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 377                                                                               \
 378     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wchar_t *)   \
 379         { return WX_STR_CALL(crtW, s1.data(), s2); }                          \
 380     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const char *)      \
 381         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 382     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxWCharBuffer&)  \
 383         { return WX_STR_CALL(crtW, s1.data(), s2.data()); }                   \
 384     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxCharBuffer&)   \
 385         { return WX_STR_CALL(forString, wxString(s1), wxString(s2)); }        \
 386                                                                               \
 387     inline rettype WX_STR_DECL(name, const wxString&, const char*)            \
 388         { return WX_STR_CALL(forString, s1, s2); }                            \
 389     inline rettype WX_STR_DECL(name, const wxString&, const wchar_t*)         \
 390         { return WX_STR_CALL(forString, s1, s2); }                            \
 391     inline rettype WX_STR_DECL(name, const wxString&, const wxCharBuffer&)    \
 392         { return WX_STR_CALL(forString, s1, s2); }                            \
 393     inline rettype WX_STR_DECL(name, const wxString&, const wxWCharBuffer&)   \
 394         { return WX_STR_CALL(forString, s1, s2); }                            \
 395     inline rettype WX_STR_DECL(name, const wxString&, const wxString&)        \
 396         { return WX_STR_CALL(forString, s1, s2); }                            \
 397     inline rettype WX_STR_DECL(name, const wxString&, const wxCStrData&)      \
 398         { return WX_STR_CALL(forString, s1, s2); }                            \
 399                                                                               \
 400     inline rettype WX_STR_DECL(name, const wxCStrData&, const char*)          \
 401         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 402     inline rettype WX_STR_DECL(name, const wxCStrData&, const wchar_t*)       \
 403         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 404     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxCharBuffer&)  \
 405         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 406     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxWCharBuffer&) \
 407         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 408     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxString&)      \
 409         { return WX_STR_CALL(forString, s1.AsString(), s2); }                 \
 410     inline rettype WX_STR_DECL(name, const wxCStrData&, const wxCStrData&)    \
 411         { return WX_STR_CALL(forString, s1.AsString(), s2); }
 412
 413 // This defines strcmp-like function, i.e. one returning the result of
 414 // comparison; see WX_STR_FUNC_NO_INVERT for explanation of the arguments
 415 #define WX_STRCMP_FUNC(name, crtA, crtW, forString)                           \
 416     WX_STR_FUNC_NO_INVERT(int, name, crtA, crtW, forString)                   \
 417                                                                               \
 418     inline int WX_STR_DECL(name, const char *, const wxCStrData&)             \
 419         { return -WX_STR_CALL(forString, s2.AsString(), s1); }                \
 420     inline int WX_STR_DECL(name, const char *, const wxString&)               \
 421         { return -WX_STR_CALL(forString, s2, s1); }                           \
 422                                                                               \
 423     inline int WX_STR_DECL(name, const wchar_t *, const wxCStrData&)          \
 424         { return -WX_STR_CALL(forString, s2.AsString(), s1); }                \
 425     inline int WX_STR_DECL(name, const wchar_t *, const wxString&)            \
 426         { return -WX_STR_CALL(forString, s2, s1); }                           \
 427                                                                               \
 428     inline int WX_STR_DECL(name, const wxCharBuffer&, const wxCStrData&)      \
 429         { return -WX_STR_CALL(forString, s2.AsString(), s1.data()); }         \
 430     inline int WX_STR_DECL(name, const wxCharBuffer&, const wxString&)        \
 431         { return -WX_STR_CALL(forString, s2, s1.data()); }                    \
 432                                                                               \
 433     inline int WX_STR_DECL(name, const wxWCharBuffer&, const wxCStrData&)     \
 434         { return -WX_STR_CALL(forString, s2.AsString(), s1.data()); }         \
 435     inline int WX_STR_DECL(name, const wxWCharBuffer&, const wxString&)       \
 436         { return -WX_STR_CALL(forString, s2, s1.data()); }
 437
 438
 439 // This defines a string function that is *not* strcmp-like, i.e. doesn't
 440 // return the result of comparison and so if the second argument is a string,
 441 // it has to be converted to char* or wchar_t*
 442 #define WX_STR_FUNC(rettype, name, crtA, crtW, forString)                     \
 443     WX_STR_FUNC_NO_INVERT(rettype, name, crtA, crtW, forString)               \
 444                                                                               \
 445     inline rettype WX_STR_DECL(name, const char *, const wxCStrData&)         \
 446         { return WX_STR_CALL(crtA, s1, s2.AsCharBuf()); }                     \
 447     inline rettype WX_STR_DECL(name, const char *, const wxString&)           \
 448         { return WX_STR_CALL(crtA, s1, s2.mb_str()); }                        \
 449                                                                               \
 450     inline rettype WX_STR_DECL(name, const wchar_t *, const wxCStrData&)      \
 451         { return WX_STR_CALL(crtW, s1, s2.AsWCharBuf()); }                    \
 452     inline rettype WX_STR_DECL(name, const wchar_t *, const wxString&)        \
 453         { return WX_STR_CALL(crtW, s1, s2.wc_str()); }                        \
 454                                                                               \
 455     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxCStrData&)  \
 456         { return WX_STR_CALL(crtA, s1.data(), s2.AsCharBuf()); }              \
 457     inline rettype WX_STR_DECL(name, const wxCharBuffer&, const wxString&)    \
 458         { return WX_STR_CALL(crtA, s1.data(), s2.mb_str()); }                 \
 459                                                                               \
 460     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxCStrData&) \
 461         { return WX_STR_CALL(crtW, s1.data(), s2.AsWCharBuf()); }             \
 462     inline rettype WX_STR_DECL(name, const wxWCharBuffer&, const wxString&)   \
 463         { return WX_STR_CALL(crtW, s1.data(), s2.wc_str()); }
 464
 465 template<typename T>
 466 inline int wxStrcmp_String(const wxString& s1, const T& s2)
 467     { return s1.compare(s2); }
 468 WX_STRCMP_FUNC(wxStrcmp, wxCRT_StrcmpA, wxCRT_StrcmpW, wxStrcmp_String)
 469
 470 template<typename T>
 471 inline int wxStricmp_String(const wxString& s1, const T& s2)
 472     { return s1.CmpNoCase(s2); }
 473 WX_STRCMP_FUNC(wxStricmp, wxCRT_StricmpA, wxCRT_StricmpW, wxStricmp_String)
 474
 475 #if defined(wxCRT_StrcollA) && defined(wxCRT_StrcollW)
 476
 477 // GCC 3.3 and other compilers have a bug that causes it to fail compilation if
 478 // the template's implementation uses overloaded function declared later (see
 479 // the wxStrcoll() call in wxStrcoll_String<T>()), so we have to
 480 // forward-declare the template and implement it below WX_STRCMP_FUNC. OTOH,
 481 // this fails to compile with VC6, so don't do it for VC. It also causes
 482 // problems with GCC visibility in newer GCC versions.
 483 #if !(defined(__VISUALC__) || wxCHECK_GCC_VERSION(3,4))
 484 template<typename T>
 485 inline int wxStrcoll_String(const wxString& s1, const T& s2);
 486 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 487 #endif // !__VISUALC__
 488
 489 template<typename T>
 490 inline int wxStrcoll_String(const wxString& s1, const T& s2)
 491 {
 492 #if wxUSE_UNICODE
 493     // NB: strcoll() doesn't work correctly on UTF-8 strings, so we have to use
 494     //     wc_str() even if wxUSE_UNICODE_UTF8; the (const wchar_t*) cast is
 495     //     there just as optimization to avoid going through
 496     //     wxStrcoll<wxWCharBuffer>:
 497     return wxStrcoll((const wchar_t*)s1.wc_str(), s2);
 498 #else
 499     return wxStrcoll((const char*)s1.mb_str(), s2);
 500 #endif
 501 }
 502
 503 #if defined(__VISUALC__) || wxCHECK_GCC_VERSION(3,4)
 504 // this is exactly the same WX_STRCMP_FUNC line as above wxStrcoll_String<>
 505 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 506 #endif
 507
 508 #endif // defined(wxCRT_Strcoll[AW])
 509
 510 template<typename T>
 511 inline size_t wxStrspn_String(const wxString& s1, const T& s2)
 512 {
 513     size_t pos = s1.find_first_not_of(s2);
 514     return pos == wxString::npos ? s1.length() : pos;
 515 }
 516 WX_STR_FUNC(size_t, wxStrspn, wxCRT_StrspnA, wxCRT_StrspnW, wxStrspn_String)
 517
 518 template<typename T>
 519 inline size_t wxStrcspn_String(const wxString& s1, const T& s2)
 520 {
 521     size_t pos = s1.find_first_of(s2);
 522     return pos == wxString::npos ? s1.length() : pos;
 523 }
 524 WX_STR_FUNC(size_t, wxStrcspn, wxCRT_StrcspnA, wxCRT_StrcspnW, wxStrcspn_String)
 525
 526 #undef WX_STR_DECL
 527 #undef WX_STR_CALL
 528 #define WX_STR_DECL(name, T1, T2)  name(T1 s1, T2 s2, size_t n)
 529 #define WX_STR_CALL(func, a1, a2)  func(a1, a2, n)
 530
 531 template<typename T>
 532 inline int wxStrncmp_String(const wxString& s1, const T& s2, size_t n)
 533     { return s1.compare(0, n, s2, 0, n); }
 534 WX_STRCMP_FUNC(wxStrncmp, wxCRT_StrncmpA, wxCRT_StrncmpW, wxStrncmp_String)
 535
 536 template<typename T>
 537 inline int wxStrnicmp_String(const wxString& s1, const T& s2, size_t n)
 538     { return s1.substr(0, n).CmpNoCase(wxString(s2).substr(0, n)); }
 539 WX_STRCMP_FUNC(wxStrnicmp, wxCRT_StrnicmpA, wxCRT_StrnicmpW, wxStrnicmp_String)
 540
 541 #undef WX_STR_DECL
 542 #undef WX_STR_CALL
 543 #undef WX_STRCMP_FUNC
 544 #undef WX_STR_FUNC
 545 #undef WX_STR_FUNC_NO_INVERT
 546
 547 #if defined(wxCRT_StrxfrmA) && defined(wxCRT_StrxfrmW)
 548
 549 inline size_t wxStrxfrm(char *dest, const char *src, size_t n)
 550     { return wxCRT_StrxfrmA(dest, src, n); }
 551 inline size_t wxStrxfrm(wchar_t *dest, const wchar_t *src, size_t n)
 552     { return wxCRT_StrxfrmW(dest, src, n); }
 553 template<typename T>
 554 inline size_t wxStrxfrm(T *dest, const wxCharTypeBuffer<T>& src, size_t n)
 555     { return wxStrxfrm(dest, src.data(), n); }
 556 inline size_t wxStrxfrm(char *dest, const wxString& src, size_t n)
 557     { return wxCRT_StrxfrmA(dest, src.mb_str(), n); }
 558 inline size_t wxStrxfrm(wchar_t *dest, const wxString& src, size_t n)
 559     { return wxCRT_StrxfrmW(dest, src.wc_str(), n); }
 560 inline size_t wxStrxfrm(char *dest, const wxCStrData& src, size_t n)
 561     { return wxCRT_StrxfrmA(dest, src.AsCharBuf(), n); }
 562 inline size_t wxStrxfrm(wchar_t *dest, const wxCStrData& src, size_t n)
 563     { return wxCRT_StrxfrmW(dest, src.AsWCharBuf(), n); }
 564
 565 #endif // defined(wxCRT_Strxfrm[AW])
 566
 567 inline char *wxStrtok(char *str, const char *delim, char **saveptr)
 568     { return wxCRT_StrtokA(str, delim, saveptr); }
 569 inline wchar_t *wxStrtok(wchar_t *str, const wchar_t *delim, wchar_t **saveptr)
 570     { return wxCRT_StrtokW(str, delim, saveptr); }
 571 template<typename T>
 572 inline T *wxStrtok(T *str, const wxCharTypeBuffer<T>& delim, T **saveptr)
 573     { return wxStrtok(str, delim.data(), saveptr); }
 574 inline char *wxStrtok(char *str, const wxCStrData& delim, char **saveptr)
 575     { return wxCRT_StrtokA(str, delim.AsCharBuf(), saveptr); }
 576 inline wchar_t *wxStrtok(wchar_t *str, const wxCStrData& delim, wchar_t **saveptr)
 577     { return wxCRT_StrtokW(str, delim.AsWCharBuf(), saveptr); }
 578 inline char *wxStrtok(char *str, const wxString& delim, char **saveptr)
 579     { return wxCRT_StrtokA(str, delim.mb_str(), saveptr); }
 580 inline wchar_t *wxStrtok(wchar_t *str, const wxString& delim, wchar_t **saveptr)
 581     { return wxCRT_StrtokW(str, delim.wc_str(), saveptr); }
 582
 583 inline const char *wxStrstr(const char *haystack, const char *needle)
 584     { return wxCRT_StrstrA(haystack, needle); }
 585 inline const wchar_t *wxStrstr(const wchar_t *haystack, const wchar_t *needle)
 586     { return wxCRT_StrstrW(haystack, needle); }
 587 inline const char *wxStrstr(const char *haystack, const wxString& needle)
 588     { return wxCRT_StrstrA(haystack, needle.mb_str()); }
 589 inline const wchar_t *wxStrstr(const wchar_t *haystack, const wxString& needle)
 590     { return wxCRT_StrstrW(haystack, needle.wc_str()); }
 591 // these functions return char* pointer into the non-temporary conversion buffer
 592 // used by c_str()'s implicit conversion to char*, for ANSI build compatibility
 593 inline const char *wxStrstr(const wxString& haystack, const wxString& needle)
 594     { return wxCRT_StrstrA(haystack.c_str(), needle.mb_str()); }
 595 inline const char *wxStrstr(const wxCStrData& haystack, const wxString& needle)
 596     { return wxCRT_StrstrA(haystack, needle.mb_str()); }
 597 inline const char *wxStrstr(const wxCStrData& haystack, const wxCStrData& needle)
 598     { return wxCRT_StrstrA(haystack, needle.AsCharBuf()); }
 599 // if 'needle' is char/wchar_t, then the same is probably wanted as return value
 600 inline const char *wxStrstr(const wxString& haystack, const char *needle)
 601     { return wxCRT_StrstrA(haystack.c_str(), needle); }
 602 inline const char *wxStrstr(const wxCStrData& haystack, const char *needle)
 603     { return wxCRT_StrstrA(haystack, needle); }
 604 inline const wchar_t *wxStrstr(const wxString& haystack, const wchar_t *needle)
 605     { return wxCRT_StrstrW(haystack.c_str(), needle); }
 606 inline const wchar_t *wxStrstr(const wxCStrData& haystack, const wchar_t *needle)
 607     { return wxCRT_StrstrW(haystack, needle); }
 608
 609 inline const char *wxStrchr(const char *s, char c)
 610     { return wxCRT_StrchrA(s, c); }
 611 inline const wchar_t *wxStrchr(const wchar_t *s, wchar_t c)
 612     { return wxCRT_StrchrW(s, c); }
 613 inline const char *wxStrrchr(const char *s, char c)
 614     { return wxCRT_StrrchrA(s, c); }
 615 inline const wchar_t *wxStrrchr(const wchar_t *s, wchar_t c)
 616     { return wxCRT_StrrchrW(s, c); }
 617 inline const char *wxStrchr(const char *s, const wxUniChar& c)
 618     { return wxCRT_StrchrA(s, (char)c); }
 619 inline const wchar_t *wxStrchr(const wchar_t *s, const wxUniChar& c)
 620     { return wxCRT_StrchrW(s, (wchar_t)c); }
 621 inline const char *wxStrrchr(const char *s, const wxUniChar& c)
 622     { return wxCRT_StrrchrA(s, (char)c); }
 623 inline const wchar_t *wxStrrchr(const wchar_t *s, const wxUniChar& c)
 624     { return wxCRT_StrrchrW(s, (wchar_t)c); }
 625 inline const char *wxStrchr(const char *s, const wxUniCharRef& c)
 626     { return wxCRT_StrchrA(s, (char)c); }
 627 inline const wchar_t *wxStrchr(const wchar_t *s, const wxUniCharRef& c)
 628     { return wxCRT_StrchrW(s, (wchar_t)c); }
 629 inline const char *wxStrrchr(const char *s, const wxUniCharRef& c)
 630     { return wxCRT_StrrchrA(s, (char)c); }
 631 inline const wchar_t *wxStrrchr(const wchar_t *s, const wxUniCharRef& c)
 632     { return wxCRT_StrrchrW(s, (wchar_t)c); }
 633 template<typename T>
 634 inline const T* wxStrchr(const wxCharTypeBuffer<T>& s, T c)
 635     { return wxStrchr(s.data(), c); }
 636 template<typename T>
 637 inline const T* wxStrrchr(const wxCharTypeBuffer<T>& s, T c)
 638     { return wxStrrchr(s.data(), c); }
 639 template<typename T>
 640 inline const T* wxStrchr(const wxCharTypeBuffer<T>& s, const wxUniChar& c)
 641     { return wxStrchr(s.data(), (T)c); }
 642 template<typename T>
 643 inline const T* wxStrrchr(const wxCharTypeBuffer<T>& s, const wxUniChar& c)
 644     { return wxStrrchr(s.data(), (T)c); }
 645 template<typename T>
 646 inline const T* wxStrchr(const wxCharTypeBuffer<T>& s, const wxUniCharRef& c)
 647     { return wxStrchr(s.data(), (T)c); }
 648 template<typename T>
 649 inline const T* wxStrrchr(const wxCharTypeBuffer<T>& s, const wxUniCharRef& c)
 650     { return wxStrrchr(s.data(), (T)c); }
 651 // these functions return char* pointer into the non-temporary conversion buffer
 652 // used by c_str()'s implicit conversion to char*, for ANSI build compatibility
 653 inline const char* wxStrchr(const wxString& s, char c)
 654     { return wxCRT_StrchrA((const char*)s.c_str(), c); }
 655 inline const char* wxStrrchr(const wxString& s, char c)
 656     { return wxCRT_StrrchrA((const char*)s.c_str(), c); }
 657 inline const char* wxStrchr(const wxString& s, int c)
 658     { return wxCRT_StrchrA((const char*)s.c_str(), c); }
 659 inline const char* wxStrrchr(const wxString& s, int c)
 660     { return wxCRT_StrrchrA((const char*)s.c_str(), c); }
 661 inline const char* wxStrchr(const wxString& s, const wxUniChar& c)
 662     { return wxCRT_StrchrA((const char*)s.c_str(), (char)c); }
 663 inline const char* wxStrrchr(const wxString& s, const wxUniChar& c)
 664     { return wxCRT_StrrchrA((const char*)s.c_str(), (char)c); }
 665 inline const char* wxStrchr(const wxString& s, const wxUniCharRef& c)
 666     { return wxCRT_StrchrA((const char*)s.c_str(), (char)c); }
 667 inline const char* wxStrrchr(const wxString& s, const wxUniCharRef& c)
 668     { return wxCRT_StrrchrA((const char*)s.c_str(), (char)c); }
 669 inline const wchar_t* wxStrchr(const wxString& s, wchar_t c)
 670     { return wxCRT_StrchrW((const wchar_t*)s.c_str(), c); }
 671 inline const wchar_t* wxStrrchr(const wxString& s, wchar_t c)
 672     { return wxCRT_StrrchrW((const wchar_t*)s.c_str(), c); }
 673 inline const char* wxStrchr(const wxCStrData& s, char c)
 674     { return wxCRT_StrchrA(s.AsChar(), c); }
 675 inline const char* wxStrrchr(const wxCStrData& s, char c)
 676     { return wxCRT_StrrchrA(s.AsChar(), c); }
 677 inline const char* wxStrchr(const wxCStrData& s, int c)
 678     { return wxCRT_StrchrA(s.AsChar(), c); }
 679 inline const char* wxStrrchr(const wxCStrData& s, int c)
 680     { return wxCRT_StrrchrA(s.AsChar(), c); }
 681 inline const char* wxStrchr(const wxCStrData& s, const wxUniChar& c)
 682     { return wxCRT_StrchrA(s.AsChar(), (char)c); }
 683 inline const char* wxStrrchr(const wxCStrData& s, const wxUniChar& c)
 684     { return wxCRT_StrrchrA(s.AsChar(), (char)c); }
 685 inline const char* wxStrchr(const wxCStrData& s, const wxUniCharRef& c)
 686     { return wxCRT_StrchrA(s.AsChar(), (char)c); }
 687 inline const char* wxStrrchr(const wxCStrData& s, const wxUniCharRef& c)
 688     { return wxCRT_StrrchrA(s.AsChar(), (char)c); }
 689 inline const wchar_t* wxStrchr(const wxCStrData& s, wchar_t c)
 690     { return wxCRT_StrchrW(s.AsWChar(), c); }
 691 inline const wchar_t* wxStrrchr(const wxCStrData& s, wchar_t c)
 692     { return wxCRT_StrrchrW(s.AsWChar(), c); }
 693
 694 inline const char *wxStrpbrk(const char *s, const char *accept)
 695     { return wxCRT_StrpbrkA(s, accept); }
 696 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wchar_t *accept)
 697     { return wxCRT_StrpbrkW(s, accept); }
 698 inline const char *wxStrpbrk(const char *s, const wxString& accept)
 699     { return wxCRT_StrpbrkA(s, accept.mb_str()); }
 700 inline const char *wxStrpbrk(const char *s, const wxCStrData& accept)
 701     { return wxCRT_StrpbrkA(s, accept.AsCharBuf()); }
 702 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wxString& accept)
 703     { return wxCRT_StrpbrkW(s, accept.wc_str()); }
 704 inline const wchar_t *wxStrpbrk(const wchar_t *s, const wxCStrData& accept)
 705     { return wxCRT_StrpbrkW(s, accept.AsWCharBuf()); }
 706 inline const char *wxStrpbrk(const wxString& s, const wxString& accept)
 707     { return wxCRT_StrpbrkA(s.c_str(), accept.mb_str()); }
 708 inline const char *wxStrpbrk(const wxString& s, const char *accept)
 709     { return wxCRT_StrpbrkA(s.c_str(), accept); }
 710 inline const wchar_t *wxStrpbrk(const wxString& s, const wchar_t *accept)
 711     { return wxCRT_StrpbrkW(s.wc_str(), accept); }
 712 inline const char *wxStrpbrk(const wxString& s, const wxCStrData& accept)
 713     { return wxCRT_StrpbrkA(s.c_str(), accept.AsCharBuf()); }
 714 inline const char *wxStrpbrk(const wxCStrData& s, const wxString& accept)
 715     { return wxCRT_StrpbrkA(s.AsChar(), accept.mb_str()); }
 716 inline const char *wxStrpbrk(const wxCStrData& s, const char *accept)
 717     { return wxCRT_StrpbrkA(s.AsChar(), accept); }
 718 inline const wchar_t *wxStrpbrk(const wxCStrData& s, const wchar_t *accept)
 719     { return wxCRT_StrpbrkW(s.AsWChar(), accept); }
 720 inline const char *wxStrpbrk(const wxCStrData& s, const wxCStrData& accept)
 721     { return wxCRT_StrpbrkA(s.AsChar(), accept.AsCharBuf()); }
 722 template <typename S, typename T>
 723 inline const T *wxStrpbrk(const S& s, const wxCharTypeBuffer<T>& accept)
 724     { return wxStrpbrk(s, accept.data()); }
 725
 726
 727 /* inlined non-const versions */
 728 inline char *wxStrstr(char *haystack, const char *needle)
 729     { return (char *)wxStrstr((const char *)haystack, needle); }
 730 inline wchar_t *wxStrstr(wchar_t *haystack, const wchar_t *needle)
 731     { return (wchar_t *)wxStrstr((const wchar_t *)haystack, needle); }
 732 inline char *wxStrstr(char *haystack, const wxString& needle)
 733     { return (char *)wxStrstr((const char *)haystack, needle); }
 734 inline wchar_t *wxStrstr(wchar_t *haystack, const wxString& needle)
 735     { return (wchar_t *)wxStrstr((const wchar_t *)haystack, needle); }
 736
 737 inline char * wxStrchr(char *s, char c)
 738     { return (char *)wxStrchr((const char *)s, c); }
 739 inline char * wxStrrchr(char *s, char c)
 740     { return (char *)wxStrrchr((const char *)s, c); }
 741 inline wchar_t * wxStrchr(wchar_t *s, wchar_t c)
 742     { return (wchar_t *)wxStrchr((const wchar_t *)s, c); }
 743 inline wchar_t * wxStrrchr(wchar_t *s, wchar_t c)
 744     { return (wchar_t *)wxStrrchr((const wchar_t *)s, c); }
 745
 746 inline char * wxStrpbrk(char *s, const char *accept)
 747     { return (char *)wxStrpbrk((const char *)s, accept); }
 748 inline wchar_t * wxStrpbrk(wchar_t *s, const wchar_t *accept)
 749     { return (wchar_t *)wxStrpbrk((const wchar_t *)s, accept); }
 750 inline char * wxStrpbrk(char *s, const wxString& accept)
 751     { return (char *)wxStrpbrk((const char *)s, accept); }
 752 inline wchar_t * wxStrpbrk(wchar_t *s, const wxString& accept)
 753     { return (wchar_t *)wxStrpbrk((const wchar_t *)s, accept); }
 754
 755
 756 // ----------------------------------------------------------------------------
 757 //                              stdio.h functions
 758 // ----------------------------------------------------------------------------
 759
 760 // NB: using fn_str() for mode is a hack to get the same type (char*/wchar_t*)
 761 //     as needed, the conversion itself doesn't matter, it's ASCII
 762 inline FILE *wxFopen(const wxString& path, const wxString& mode)
 763     { return wxCRT_Fopen(path.fn_str(), mode.fn_str()); }
 764 inline FILE *wxFreopen(const wxString& path, const wxString& mode, FILE *stream)
 765     { return wxCRT_Freopen(path.fn_str(), mode.fn_str(), stream); }
 766 inline int wxRemove(const wxString& path)
 767     { return wxCRT_Remove(path.fn_str()); }
 768 inline int wxRename(const wxString& oldpath, const wxString& newpath)
 769     { return wxCRT_Rename(oldpath.fn_str(), newpath.fn_str()); }
 770
 771 extern WXDLLIMPEXP_BASE int wxPuts(const wxString& s);
 772 extern WXDLLIMPEXP_BASE int wxFputs(const wxString& s, FILE *stream);
 773 extern WXDLLIMPEXP_BASE void wxPerror(const wxString& s);
 774
 775 extern WXDLLIMPEXP_BASE int wxFputc(const wxUniChar& c, FILE *stream);
 776
 777 #define wxPutc(c, stream)  wxFputc(c, stream)
 778 #define wxPutchar(c)       wxFputc(c, stdout)
 779 #define wxFputchar(c)      wxPutchar(c)
 780
 781 // NB: We only provide ANSI version of fgets() because fgetws() interprets the
 782 //     stream according to current locale, which is rarely what is desired.
 783 inline char *wxFgets(char *s, int size, FILE *stream)
 784     { return wxCRT_FgetsA(s, size, stream); }
 785 // This version calls ANSI version and converts the string using wxConvLibc
 786 extern WXDLLIMPEXP_BASE wchar_t *wxFgets(wchar_t *s, int size, FILE *stream);
 787
 788 #define wxGets(s) wxGets_is_insecure_and_dangerous_use_wxFgets_instead
 789
 790 // NB: We only provide ANSI versions of this for the same reasons as in the
 791 //     case of wxFgets() above
 792 inline int wxFgetc(FILE *stream) { return wxCRT_FgetcA(stream); }
 793 inline int wxUngetc(int c, FILE *stream) { return wxCRT_UngetcA(c, stream); }
 794
 795 #define wxGetc(stream)     wxFgetc(stream)
 796 #define wxGetchar()        wxFgetc(stdin)
 797 #define wxFgetchar()       wxGetchar()
 798
 799 // ----------------------------------------------------------------------------
 800 //                             stdlib.h functions
 801 // ----------------------------------------------------------------------------
 802
 803 #ifdef wxCRT_AtoiW
 804 inline int wxAtoi(const wxString& str) { return wxCRT_AtoiW(str.wc_str()); }
 805 #else
 806 inline int wxAtoi(const wxString& str) { return wxCRT_AtoiA(str.mb_str()); }
 807 #endif
 808
 809 #ifdef wxCRT_AtolW
 810 inline long wxAtol(const wxString& str) { return wxCRT_AtolW(str.wc_str()); }
 811 #else
 812 inline long wxAtol(const wxString& str) { return wxCRT_AtolA(str.mb_str()); }
 813 #endif
 814
 815 #ifdef wxCRT_AtofW
 816 inline double wxAtof(const wxString& str) { return wxCRT_AtofW(str.wc_str()); }
 817 #else
 818 inline double wxAtof(const wxString& str) { return wxCRT_AtofA(str.mb_str()); }
 819 #endif
 820
 821 inline double wxStrtod(const char *nptr, char **endptr)
 822     { return wxCRT_StrtodA(nptr, endptr); }
 823 inline double wxStrtod(const wchar_t *nptr, wchar_t **endptr)
 824     { return wxCRT_StrtodW(nptr, endptr); }
 825 template<typename T>
 826 inline double wxStrtod(const wxCharTypeBuffer<T>& nptr, T **endptr)
 827     { return wxStrtod(nptr.data(), endptr); }
 828
 829 // We implement wxStrto*() like this so that the code compiles when NULL is
 830 // passed in - - if we had just char** and wchar_t** overloads for 'endptr', it
 831 // would be ambiguous. The solution is to use a template so that endptr can be
 832 // any type: when NULL constant is used, the type will be int and we can handle
 833 // that case specially. Otherwise, we infer the type that 'nptr' should be
 834 // converted to from the type of 'endptr'. We need wxStrtoxCharType<T> template
 835 // to make the code compile even for T=int (that's the case when it's not going
 836 // to be ever used, but it still has to compile).
 837 template<typename T> struct wxStrtoxCharType {};
 838 template<> struct wxStrtoxCharType<char**>
 839 {
 840     typedef const char* Type;
 841     static char** AsPointer(char **p) { return p; }
 842 };
 843 template<> struct wxStrtoxCharType<wchar_t**>
 844 {
 845     typedef const wchar_t* Type;
 846     static wchar_t** AsPointer(wchar_t **p) { return p; }
 847 };
 848 template<> struct wxStrtoxCharType<int>
 849 {
 850     typedef const char* Type; /* this one is never used */
 851     static char** AsPointer(int WXUNUSED_UNLESS_DEBUG(p))
 852     {
 853         wxASSERT_MSG( p == 0, "passing non-NULL int is invalid" );
 854         return NULL;
 855     }
 856 };
 857
 858 template<typename T>
 859 inline double wxStrtod(const wxString& nptr, T endptr)
 860 {
 861     if ( endptr == 0 )
 862     {
 863         // when we don't care about endptr, use the string representation that
 864         // doesn't require any conversion (it doesn't matter for this function
 865         // even if its UTF-8):
 866         return wxStrtod(nptr.wx_str(), (wxStringCharType**)NULL);
 867     }
 868     else
 869     {
 870         // note that it is important to use c_str() here and not mb_str() or
 871         // wc_str(), because we store the pointer into (possibly converted)
 872         // buffer in endptr and so it must be valid even when wxStrtod() returns
 873         typedef typename wxStrtoxCharType<T>::Type CharType;
 874         return wxStrtod((CharType)nptr.c_str(),
 875                         wxStrtoxCharType<T>::AsPointer(endptr));
 876     }
 877 }
 878 template<typename T>
 879 inline double wxStrtod(const wxCStrData& nptr, T endptr)
 880     { return wxStrtod(nptr.AsString(), endptr); }
 881
 882
 883 #define WX_STRTOX_FUNC(rettype, name, implA, implW)                           \
 884     /* see wxStrtod() above for explanation of this code: */                  \
 885     inline rettype name(const char *nptr, char **endptr, int base)            \
 886         { return implA(nptr, endptr, base); }                                 \
 887     inline rettype name(const wchar_t *nptr, wchar_t **endptr, int base)      \
 888         { return implW(nptr, endptr, base); }                                 \
 889     template<typename T>                                                      \
 890     inline rettype name(const wxCharTypeBuffer<T>& nptr, T **endptr, int base)\
 891         { return name(nptr.data(), endptr); }                                 \
 892     template<typename T>                                                      \
 893     inline rettype name(const wxString& nptr, T endptr, int base)             \
 894     {                                                                         \
 895         if ( endptr == 0 )                                                    \
 896             return name(nptr.wx_str(), (wxStringCharType**)NULL, base);       \
 897         else                                                                  \
 898         {                                                                     \
 899             typedef typename wxStrtoxCharType<T>::Type CharType;              \
 900             return name((CharType)nptr.c_str(),                               \
 901                         wxStrtoxCharType<T>::AsPointer(endptr),               \
 902                         base);                                                \
 903         }                                                                     \
 904     }                                                                         \
 905     template<typename T>                                                      \
 906     inline rettype name(const wxCStrData& nptr, T endptr, int base)           \
 907         { return name(nptr.AsString(), endptr, base); }
 908
 909 WX_STRTOX_FUNC(long, wxStrtol, wxCRT_StrtolA, wxCRT_StrtolW)
 910 WX_STRTOX_FUNC(unsigned long, wxStrtoul, wxCRT_StrtoulA, wxCRT_StrtoulW)
 911 #ifdef wxLongLong_t
 912 WX_STRTOX_FUNC(wxLongLong_t, wxStrtoll, wxCRT_StrtollA, wxCRT_StrtollW)
 913 WX_STRTOX_FUNC(wxULongLong_t, wxStrtoull, wxCRT_StrtoullA, wxCRT_StrtoullW)
 914 #endif // wxLongLong_t
 915
 916 #undef WX_STRTOX_FUNC
 917
 918
 919 // there is no command interpreter under CE, hence no system()
 920 #ifndef __WXWINCE__
 921
 922 // mingw32 doesn't provide _tsystem() even though it provides other stdlib.h
 923 // functions in their wide versions
 924 #ifdef wxCRT_SystemW
 925 inline int wxSystem(const wxString& str) { return wxCRT_SystemW(str.wc_str()); }
 926 #else
 927 inline int wxSystem(const wxString& str) { return wxCRT_SystemA(str.mb_str()); }
 928 #endif
 929
 930 #endif // !__WXWINCE__/__WXWINCE__
 931
 932 inline char* wxGetenv(const char *name) { return wxCRT_GetenvA(name); }
 933 inline wchar_t* wxGetenv(const wchar_t *name) { return wxCRT_GetenvW(name); }
 934 inline char* wxGetenv(const wxString& name) { return wxCRT_GetenvA(name.mb_str()); }
 935 inline char* wxGetenv(const wxCStrData& name) { return wxCRT_GetenvA(name.AsCharBuf()); }
 936 inline char* wxGetenv(const wxCharBuffer& name) { return wxCRT_GetenvA(name.data()); }
 937 inline wchar_t* wxGetenv(const wxWCharBuffer& name) { return wxCRT_GetenvW(name.data()); }
 938
 939 // ----------------------------------------------------------------------------
 940 //                            time.h functions
 941 // ----------------------------------------------------------------------------
 942
 943 inline size_t wxStrftime(char *s, size_t max,
 944                          const wxString& format, const struct tm *tm)
 945     { return wxCRT_StrftimeA(s, max, format.mb_str(), tm); }
 946
 947 inline size_t wxStrftime(wchar_t *s, size_t max,
 948                          const wxString& format, const struct tm *tm)
 949     { return wxCRT_StrftimeW(s, max, format.wc_str(), tm); }
 950
 951 // NB: we can't provide both char* and wchar_t* versions for obvious reasons
 952 //     and returning wxString wouldn't work either (it would be immediately
 953 //     destroyed and if assigned to char*/wchar_t*, the pointer would be
 954 //     invalid), so we only keep ASCII version, because the returned value
 955 //     is always ASCII anyway
 956 #define  wxAsctime   asctime
 957 #define  wxCtime     ctime
 958
 959
 960 // ----------------------------------------------------------------------------
 961 //                             ctype.h functions
 962 // ----------------------------------------------------------------------------
 963
 964 // FIXME-UTF8: we'd be better off implementing these ourselves, as the CRT
 965 //             version is locale-dependent
 966 // FIXME-UTF8: these don't work when EOF is passed in because of wxUniChar,
 967 //             is this OK or not?
 968
 969 inline bool wxIsalnum(const wxUniChar& c)  { return wxCRT_IsalnumW(c) != 0; }
 970 inline bool wxIsalpha(const wxUniChar& c)  { return wxCRT_IsalphaW(c) != 0; }
 971 inline bool wxIscntrl(const wxUniChar& c)  { return wxCRT_IscntrlW(c) != 0; }
 972 inline bool wxIsdigit(const wxUniChar& c)  { return wxCRT_IsdigitW(c) != 0; }
 973 inline bool wxIsgraph(const wxUniChar& c)  { return wxCRT_IsgraphW(c) != 0; }
 974 inline bool wxIslower(const wxUniChar& c)  { return wxCRT_IslowerW(c) != 0; }
 975 inline bool wxIsprint(const wxUniChar& c)  { return wxCRT_IsprintW(c) != 0; }
 976 inline bool wxIspunct(const wxUniChar& c)  { return wxCRT_IspunctW(c) != 0; }
 977 inline bool wxIsspace(const wxUniChar& c)  { return wxCRT_IsspaceW(c) != 0; }
 978 inline bool wxIsupper(const wxUniChar& c)  { return wxCRT_IsupperW(c) != 0; }
 979 inline bool wxIsxdigit(const wxUniChar& c) { return wxCRT_IsxdigitW(c) != 0; }
 980
 981 inline wxUniChar wxTolower(const wxUniChar& c) { return wxCRT_TolowerW(c); }
 982 inline wxUniChar wxToupper(const wxUniChar& c) { return wxCRT_ToupperW(c); }
 983
 984 #if WXWIN_COMPATIBILITY_2_8
 985 // we had goofed and defined wxIsctrl() instead of (correct) wxIscntrl() in the
 986 // initial versions of this header -- now it is too late to remove it so
 987 // although we fixed the function/macro name above, still provide the
 988 // backwards-compatible synonym.
 989 wxDEPRECATED( inline int wxIsctrl(const wxUniChar& c) );
 990 inline int wxIsctrl(const wxUniChar& c) { return wxIscntrl(c); }
 991 #endif // WXWIN_COMPATIBILITY_2_8
 992
 993 #endif /* _WX_WXCRT_H_ */