| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/wxcrt.cpp |
| 3 | // Purpose: wxChar CRT wrappers implementation |
| 4 | // Author: Ove Kaven |
| 5 | // Modified by: Ron Lee, Francesco Montorsi |
| 6 | // Created: 09/04/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) wxWidgets copyright |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // =========================================================================== |
| 13 | // headers, declarations, constants |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/crt.h" |
| 24 | #include "wx/strconv.h" // wxMBConv::cWC2MB() |
| 25 | |
| 26 | #define _ISOC9X_SOURCE 1 // to get vsscanf() |
| 27 | #define _BSD_SOURCE 1 // to still get strdup() |
| 28 | |
| 29 | #include <stdio.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <string.h> |
| 32 | #include <wchar.h> |
| 33 | |
| 34 | #ifdef __SGI__ |
| 35 | // wide character functions are declared in std namespace under IRIX |
| 36 | using namespace std; |
| 37 | |
| 38 | // and this one is only declared if __c99 is defined which is not the case |
| 39 | // for C++ builds, so declare it ourselves |
| 40 | extern "C" int vswscanf(const wchar_t *, const wchar_t *, va_list); |
| 41 | #endif |
| 42 | |
| 43 | #ifndef __WXPALMOS5__ |
| 44 | #ifndef __WXWINCE__ |
| 45 | #include <time.h> |
| 46 | #include <locale.h> |
| 47 | #else |
| 48 | #include "wx/msw/wince/time.h" |
| 49 | #endif |
| 50 | #endif // !__WXPALMOS5__ |
| 51 | |
| 52 | #ifndef WX_PRECOMP |
| 53 | #include "wx/string.h" |
| 54 | #include "wx/hash.h" |
| 55 | #include "wx/utils.h" // for wxMin and wxMax |
| 56 | #include "wx/log.h" |
| 57 | #endif |
| 58 | |
| 59 | #ifdef HAVE_LANGINFO_H |
| 60 | #include <langinfo.h> |
| 61 | #endif |
| 62 | |
| 63 | #ifdef __WXWINCE__ |
| 64 | // there is no errno.h under CE apparently |
| 65 | #define wxSET_ERRNO(value) |
| 66 | #else |
| 67 | #include <errno.h> |
| 68 | |
| 69 | #define wxSET_ERRNO(value) errno = value |
| 70 | #endif |
| 71 | |
| 72 | #if defined(__MWERKS__) && __MSL__ >= 0x6000 |
| 73 | namespace std {} |
| 74 | using namespace std ; |
| 75 | #endif |
| 76 | |
| 77 | #if defined(__DARWIN__) |
| 78 | #include "wx/osx/core/cfref.h" |
| 79 | #include <CoreFoundation/CFLocale.h> |
| 80 | #include "wx/osx/core/cfstring.h" |
| 81 | #include <xlocale.h> |
| 82 | #endif |
| 83 | |
| 84 | WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n) |
| 85 | { |
| 86 | // assume that we have mbsrtowcs() too if we have wcsrtombs() |
| 87 | #ifdef HAVE_WCSRTOMBS |
| 88 | mbstate_t mbstate; |
| 89 | memset(&mbstate, 0, sizeof(mbstate_t)); |
| 90 | #endif |
| 91 | |
| 92 | if (buf) { |
| 93 | if (!n || !*psz) { |
| 94 | if (n) *buf = wxT('\0'); |
| 95 | return 0; |
| 96 | } |
| 97 | #ifdef HAVE_WCSRTOMBS |
| 98 | return mbsrtowcs(buf, &psz, n, &mbstate); |
| 99 | #else |
| 100 | return wxMbstowcs(buf, psz, n); |
| 101 | #endif |
| 102 | } |
| 103 | |
| 104 | // note that we rely on common (and required by Unix98 but unfortunately not |
| 105 | // C99) extension which allows to call mbs(r)towcs() with NULL output pointer |
| 106 | // to just get the size of the needed buffer -- this is needed as otherwise |
| 107 | // we have no idea about how much space we need and if the CRT doesn't |
| 108 | // support it (the only currently known example being Metrowerks, see |
| 109 | // wx/crt.h) we don't use its mbstowcs() at all |
| 110 | #ifdef HAVE_WCSRTOMBS |
| 111 | return mbsrtowcs(NULL, &psz, 0, &mbstate); |
| 112 | #else |
| 113 | return wxMbstowcs(NULL, psz, 0); |
| 114 | #endif |
| 115 | } |
| 116 | |
| 117 | WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *pwz, size_t n) |
| 118 | { |
| 119 | #ifdef HAVE_WCSRTOMBS |
| 120 | mbstate_t mbstate; |
| 121 | memset(&mbstate, 0, sizeof(mbstate_t)); |
| 122 | #endif |
| 123 | |
| 124 | if (buf) { |
| 125 | if (!n || !*pwz) { |
| 126 | // glibc2.1 chokes on null input |
| 127 | if (n) *buf = '\0'; |
| 128 | return 0; |
| 129 | } |
| 130 | #ifdef HAVE_WCSRTOMBS |
| 131 | return wcsrtombs(buf, &pwz, n, &mbstate); |
| 132 | #else |
| 133 | return wxWcstombs(buf, pwz, n); |
| 134 | #endif |
| 135 | } |
| 136 | |
| 137 | #ifdef HAVE_WCSRTOMBS |
| 138 | return wcsrtombs(NULL, &pwz, 0, &mbstate); |
| 139 | #else |
| 140 | return wxWcstombs(NULL, pwz, 0); |
| 141 | #endif |
| 142 | } |
| 143 | |
| 144 | char* wxSetlocale(int category, const char *locale) |
| 145 | { |
| 146 | #ifdef __WXWINCE__ |
| 147 | // FIXME-CE: there is no setlocale() in CE CRT, use SetThreadLocale()? |
| 148 | wxUnusedVar(category); |
| 149 | wxUnusedVar(locale); |
| 150 | |
| 151 | return NULL; |
| 152 | #else // !__WXWINCE__ |
| 153 | #ifdef __WXMAC__ |
| 154 | char *rv = NULL ; |
| 155 | if ( locale != NULL && locale[0] == 0 ) |
| 156 | { |
| 157 | // the attempt to use newlocale(LC_ALL_MASK, "", NULL); |
| 158 | // here in order to deduce the language along the environment vars rules |
| 159 | // lead to strange crashes later... |
| 160 | |
| 161 | // we have to emulate the behaviour under OS X |
| 162 | wxCFRef<CFLocaleRef> userLocaleRef(CFLocaleCopyCurrent()); |
| 163 | wxCFStringRef str(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleLanguageCode))); |
| 164 | wxString langFull = str.AsString()+"_"; |
| 165 | str.reset(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleCountryCode))); |
| 166 | langFull += str.AsString(); |
| 167 | rv = setlocale(category, langFull.c_str()); |
| 168 | } |
| 169 | else |
| 170 | rv = setlocale(category, locale); |
| 171 | #else |
| 172 | char *rv = setlocale(category, locale); |
| 173 | #endif |
| 174 | if ( locale != NULL /* setting locale, not querying */ && |
| 175 | rv /* call was successful */ ) |
| 176 | { |
| 177 | wxUpdateLocaleIsUtf8(); |
| 178 | } |
| 179 | return rv; |
| 180 | #endif // __WXWINCE__/!__WXWINCE__ |
| 181 | } |
| 182 | |
| 183 | // ============================================================================ |
| 184 | // printf() functions business |
| 185 | // ============================================================================ |
| 186 | |
| 187 | // special test mode: define all functions below even if we don't really need |
| 188 | // them to be able to test them |
| 189 | #ifdef wxTEST_PRINTF |
| 190 | #undef wxFprintf |
| 191 | #undef wxPrintf |
| 192 | #undef wxSprintf |
| 193 | #undef wxVfprintf |
| 194 | #undef wxVsprintf |
| 195 | #undef wxVprintf |
| 196 | #undef wxVsnprintf_ |
| 197 | |
| 198 | #define wxNEED_WPRINTF |
| 199 | |
| 200 | int wxCRT_VfprintfW( FILE *stream, const wchar_t *format, va_list argptr ); |
| 201 | #endif |
| 202 | |
| 203 | #if defined(__DMC__) |
| 204 | /* Digital Mars adds count to _stprintf (C99) so convert */ |
| 205 | int wxCRT_SprintfW (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... ) |
| 206 | { |
| 207 | va_list arglist; |
| 208 | |
| 209 | va_start( arglist, format ); |
| 210 | int iLen = swprintf ( s, -1, format, arglist ); |
| 211 | va_end( arglist ); |
| 212 | return iLen ; |
| 213 | } |
| 214 | #endif //__DMC__ |
| 215 | |
| 216 | // ---------------------------------------------------------------------------- |
| 217 | // implement the standard IO functions for wide char if libc doesn't have them |
| 218 | // ---------------------------------------------------------------------------- |
| 219 | |
| 220 | #ifndef wxCRT_FputsW |
| 221 | int wxCRT_FputsW(const wchar_t *ws, FILE *stream) |
| 222 | { |
| 223 | wxCharBuffer buf(wxConvLibc.cWC2MB(ws)); |
| 224 | if ( !buf ) |
| 225 | return -1; |
| 226 | |
| 227 | // counting the number of wide characters written isn't worth the trouble, |
| 228 | // simply distinguish between ok and error |
| 229 | return wxCRT_FputsA(buf, stream) == -1 ? -1 : 0; |
| 230 | } |
| 231 | #endif // !wxCRT_FputsW |
| 232 | |
| 233 | #ifndef wxCRT_PutsW |
| 234 | int wxCRT_PutsW(const wchar_t *ws) |
| 235 | { |
| 236 | int rc = wxCRT_FputsW(ws, stdout); |
| 237 | if ( rc != -1 ) |
| 238 | { |
| 239 | if ( wxCRT_FputsW(L"\n", stdout) == -1 ) |
| 240 | return -1; |
| 241 | |
| 242 | rc++; |
| 243 | } |
| 244 | |
| 245 | return rc; |
| 246 | } |
| 247 | #endif // !wxCRT_PutsW |
| 248 | |
| 249 | #ifndef wxCRT_FputcW |
| 250 | int /* not wint_t */ wxCRT_FputcW(wchar_t wc, FILE *stream) |
| 251 | { |
| 252 | wchar_t ws[2] = { wc, L'\0' }; |
| 253 | |
| 254 | return wxCRT_FputsW(ws, stream); |
| 255 | } |
| 256 | #endif // !wxCRT_FputcW |
| 257 | |
| 258 | // NB: we only implement va_list functions here, the ones taking ... are |
| 259 | // defined below for wxNEED_PRINTF_CONVERSION case anyhow and we reuse |
| 260 | // the definitions there to avoid duplicating them here |
| 261 | #ifdef wxNEED_WPRINTF |
| 262 | |
| 263 | // TODO: implement the scanf() functions |
| 264 | static int vwscanf(const wchar_t *format, va_list argptr) |
| 265 | { |
| 266 | wxFAIL_MSG( wxT("TODO") ); |
| 267 | |
| 268 | return -1; |
| 269 | } |
| 270 | |
| 271 | static int vfwscanf(FILE *stream, const wchar_t *format, va_list argptr) |
| 272 | { |
| 273 | wxFAIL_MSG( wxT("TODO") ); |
| 274 | |
| 275 | return -1; |
| 276 | } |
| 277 | |
| 278 | #define vswprintf wxCRT_VsnprintfW |
| 279 | |
| 280 | static int vfwprintf(FILE *stream, const wchar_t *format, va_list argptr) |
| 281 | { |
| 282 | wxString s; |
| 283 | int rc = s.PrintfV(format, argptr); |
| 284 | |
| 285 | if ( rc != -1 ) |
| 286 | { |
| 287 | // we can't do much better without Unicode support in libc... |
| 288 | if ( fprintf(stream, "%s", (const char*)s.mb_str() ) == -1 ) |
| 289 | return -1; |
| 290 | } |
| 291 | |
| 292 | return rc; |
| 293 | } |
| 294 | |
| 295 | static int vwprintf(const wchar_t *format, va_list argptr) |
| 296 | { |
| 297 | return wxCRT_VfprintfW(stdout, format, argptr); |
| 298 | } |
| 299 | |
| 300 | #endif // wxNEED_WPRINTF |
| 301 | |
| 302 | #ifdef wxNEED_VSWSCANF |
| 303 | static int vswscanf(const wchar_t *ws, const wchar_t *format, va_list argptr) |
| 304 | { |
| 305 | // The best we can do without proper Unicode support in glibc is to |
| 306 | // convert the strings into MB representation and run ANSI version |
| 307 | // of the function. This doesn't work with %c and %s because of difference |
| 308 | // in size of char and wchar_t, though. |
| 309 | |
| 310 | wxCHECK_MSG( wxStrstr(format, wxT("%s")) == NULL, -1, |
| 311 | wxT("incomplete vswscanf implementation doesn't allow %s") ); |
| 312 | wxCHECK_MSG( wxStrstr(format, wxT("%c")) == NULL, -1, |
| 313 | wxT("incomplete vswscanf implementation doesn't allow %c") ); |
| 314 | |
| 315 | return vsscanf(static_cast<const char*>(wxConvLibc.cWX2MB(ws)), |
| 316 | wxConvLibc.cWX2MB(format), argptr); |
| 317 | } |
| 318 | #endif |
| 319 | |
| 320 | // ---------------------------------------------------------------------------- |
| 321 | // wxPrintf(), wxScanf() and relatives |
| 322 | // ---------------------------------------------------------------------------- |
| 323 | |
| 324 | // FIXME-UTF8: do format conversion using (modified) wxFormatConverter in |
| 325 | // template wrappers, not here; note that it will needed to |
| 326 | // translate all forms of string specifiers to %(l)s for wxPrintf(), |
| 327 | // but it only should do what it did in 2.8 for wxScanf()! |
| 328 | |
| 329 | #ifndef wxCRT_PrintfW |
| 330 | int wxCRT_PrintfW( const wchar_t *format, ... ) |
| 331 | { |
| 332 | va_list argptr; |
| 333 | va_start(argptr, format); |
| 334 | |
| 335 | int ret = vwprintf( format, argptr ); |
| 336 | |
| 337 | va_end(argptr); |
| 338 | |
| 339 | return ret; |
| 340 | } |
| 341 | #endif |
| 342 | |
| 343 | #ifndef wxCRT_FprintfW |
| 344 | int wxCRT_FprintfW( FILE *stream, const wchar_t *format, ... ) |
| 345 | { |
| 346 | va_list argptr; |
| 347 | va_start( argptr, format ); |
| 348 | |
| 349 | int ret = vfwprintf( stream, format, argptr ); |
| 350 | |
| 351 | va_end(argptr); |
| 352 | |
| 353 | return ret; |
| 354 | } |
| 355 | #endif |
| 356 | |
| 357 | #ifndef wxCRT_VfprintfW |
| 358 | int wxCRT_VfprintfW( FILE *stream, const wchar_t *format, va_list argptr ) |
| 359 | { |
| 360 | return vfwprintf( stream, format, argptr ); |
| 361 | } |
| 362 | #endif |
| 363 | |
| 364 | #ifndef wxCRT_VprintfW |
| 365 | int wxCRT_VprintfW( const wchar_t *format, va_list argptr ) |
| 366 | { |
| 367 | return vwprintf( format, argptr ); |
| 368 | } |
| 369 | #endif |
| 370 | |
| 371 | #ifndef wxCRT_VsprintfW |
| 372 | int wxCRT_VsprintfW( wchar_t *str, const wchar_t *format, va_list argptr ) |
| 373 | { |
| 374 | // same as for wxSprintf() |
| 375 | return vswprintf(str, INT_MAX / 4, format, argptr); |
| 376 | } |
| 377 | #endif |
| 378 | |
| 379 | #ifndef wxCRT_ScanfW |
| 380 | int wxCRT_ScanfW(const wchar_t *format, ...) |
| 381 | { |
| 382 | va_list argptr; |
| 383 | va_start(argptr, format); |
| 384 | |
| 385 | #ifdef __VMS |
| 386 | #if (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD ) |
| 387 | int ret = std::vwscanf(format, argptr); |
| 388 | #else |
| 389 | int ret = vwscanf(format, argptr); |
| 390 | #endif |
| 391 | #else |
| 392 | int ret = vwscanf(format, argptr); |
| 393 | #endif |
| 394 | |
| 395 | va_end(argptr); |
| 396 | |
| 397 | return ret; |
| 398 | } |
| 399 | #endif |
| 400 | |
| 401 | #ifndef wxCRT_SscanfW |
| 402 | int wxCRT_SscanfW(const wchar_t *str, const wchar_t *format, ...) |
| 403 | { |
| 404 | va_list argptr; |
| 405 | va_start(argptr, format); |
| 406 | |
| 407 | #ifdef __VMS |
| 408 | #if (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD ) |
| 409 | int ret = std::vswscanf(str, format, argptr); |
| 410 | #else |
| 411 | int ret = vswscanf(str, format, argptr); |
| 412 | #endif |
| 413 | #else |
| 414 | int ret = vswscanf(str, format, argptr); |
| 415 | #endif |
| 416 | |
| 417 | va_end(argptr); |
| 418 | |
| 419 | return ret; |
| 420 | } |
| 421 | #endif |
| 422 | |
| 423 | #ifndef wxCRT_FscanfW |
| 424 | int wxCRT_FscanfW(FILE *stream, const wchar_t *format, ...) |
| 425 | { |
| 426 | va_list argptr; |
| 427 | va_start(argptr, format); |
| 428 | #ifdef __VMS |
| 429 | #if (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD ) |
| 430 | int ret = std::vfwscanf(stream, format, argptr); |
| 431 | #else |
| 432 | int ret = vfwscanf(stream, format, argptr); |
| 433 | #endif |
| 434 | #else |
| 435 | int ret = vfwscanf(stream, format, argptr); |
| 436 | #endif |
| 437 | |
| 438 | va_end(argptr); |
| 439 | |
| 440 | return ret; |
| 441 | } |
| 442 | #endif |
| 443 | |
| 444 | #ifndef wxCRT_VsscanfW |
| 445 | int wxCRT_VsscanfW(const wchar_t *str, const wchar_t *format, va_list argptr) |
| 446 | { |
| 447 | #ifdef __VMS |
| 448 | #if (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD ) |
| 449 | return std::vswscanf(str, format, argptr); |
| 450 | #else |
| 451 | return vswscanf(str, format, argptr); |
| 452 | #endif |
| 453 | #else |
| 454 | return vswscanf(str, format, argptr); |
| 455 | #endif |
| 456 | } |
| 457 | #endif |
| 458 | |
| 459 | |
| 460 | // ---------------------------------------------------------------------------- |
| 461 | // wrappers to printf and scanf function families |
| 462 | // ---------------------------------------------------------------------------- |
| 463 | |
| 464 | #if !wxUSE_UTF8_LOCALE_ONLY |
| 465 | int wxDoSprintfWchar(char *str, const wxChar *format, ...) |
| 466 | { |
| 467 | va_list argptr; |
| 468 | va_start(argptr, format); |
| 469 | |
| 470 | int rv = wxVsprintf(str, format, argptr); |
| 471 | |
| 472 | va_end(argptr); |
| 473 | return rv; |
| 474 | } |
| 475 | #endif // !wxUSE_UTF8_LOCALE_ONLY |
| 476 | |
| 477 | #if wxUSE_UNICODE_UTF8 |
| 478 | int wxDoSprintfUtf8(char *str, const char *format, ...) |
| 479 | { |
| 480 | va_list argptr; |
| 481 | va_start(argptr, format); |
| 482 | |
| 483 | int rv = wxVsprintf(str, format, argptr); |
| 484 | |
| 485 | va_end(argptr); |
| 486 | return rv; |
| 487 | } |
| 488 | #endif // wxUSE_UNICODE_UTF8 |
| 489 | |
| 490 | #if wxUSE_UNICODE |
| 491 | |
| 492 | #if !wxUSE_UTF8_LOCALE_ONLY |
| 493 | int wxDoSprintfWchar(wchar_t *str, const wxChar *format, ...) |
| 494 | { |
| 495 | va_list argptr; |
| 496 | va_start(argptr, format); |
| 497 | |
| 498 | int rv = wxVsprintf(str, format, argptr); |
| 499 | |
| 500 | va_end(argptr); |
| 501 | return rv; |
| 502 | } |
| 503 | #endif // !wxUSE_UTF8_LOCALE_ONLY |
| 504 | |
| 505 | #if wxUSE_UNICODE_UTF8 |
| 506 | int wxDoSprintfUtf8(wchar_t *str, const char *format, ...) |
| 507 | { |
| 508 | va_list argptr; |
| 509 | va_start(argptr, format); |
| 510 | |
| 511 | int rv = wxVsprintf(str, format, argptr); |
| 512 | |
| 513 | va_end(argptr); |
| 514 | return rv; |
| 515 | } |
| 516 | #endif // wxUSE_UNICODE_UTF8 |
| 517 | |
| 518 | #endif // wxUSE_UNICODE |
| 519 | |
| 520 | #if !wxUSE_UTF8_LOCALE_ONLY |
| 521 | int wxDoSnprintfWchar(char *str, size_t size, const wxChar *format, ...) |
| 522 | { |
| 523 | va_list argptr; |
| 524 | va_start(argptr, format); |
| 525 | |
| 526 | int rv = wxVsnprintf(str, size, format, argptr); |
| 527 | |
| 528 | va_end(argptr); |
| 529 | return rv; |
| 530 | } |
| 531 | #endif // !wxUSE_UTF8_LOCALE_ONLY |
| 532 | |
| 533 | #if wxUSE_UNICODE_UTF8 |
| 534 | int wxDoSnprintfUtf8(char *str, size_t size, const char *format, ...) |
| 535 | { |
| 536 | va_list argptr; |
| 537 | va_start(argptr, format); |
| 538 | |
| 539 | int rv = wxVsnprintf(str, size, format, argptr); |
| 540 | |
| 541 | va_end(argptr); |
| 542 | return rv; |
| 543 | } |
| 544 | #endif // wxUSE_UNICODE_UTF8 |
| 545 | |
| 546 | #if wxUSE_UNICODE |
| 547 | |
| 548 | #if !wxUSE_UTF8_LOCALE_ONLY |
| 549 | int wxDoSnprintfWchar(wchar_t *str, size_t size, const wxChar *format, ...) |
| 550 | { |
| 551 | va_list argptr; |
| 552 | va_start(argptr, format); |
| 553 | |
| 554 | int rv = wxVsnprintf(str, size, format, argptr); |
| 555 | |
| 556 | va_end(argptr); |
| 557 | return rv; |
| 558 | } |
| 559 | #endif // !wxUSE_UTF8_LOCALE_ONLY |
| 560 | |
| 561 | #if wxUSE_UNICODE_UTF8 |
| 562 | int wxDoSnprintfUtf8(wchar_t *str, size_t size, const char *format, ...) |
| 563 | { |
| 564 | va_list argptr; |
| 565 | va_start(argptr, format); |
| 566 | |
| 567 | int rv = wxVsnprintf(str, size, format, argptr); |
| 568 | |
| 569 | va_end(argptr); |
| 570 | return rv; |
| 571 | } |
| 572 | #endif // wxUSE_UNICODE_UTF8 |
| 573 | |
| 574 | #endif // wxUSE_UNICODE |
| 575 | |
| 576 | |
| 577 | #ifdef HAVE_BROKEN_VSNPRINTF_DECL |
| 578 | #define vsnprintf wx_fixed_vsnprintf |
| 579 | #endif |
| 580 | |
| 581 | #if wxUSE_UNICODE |
| 582 | |
| 583 | namespace |
| 584 | { |
| 585 | |
| 586 | #if !wxUSE_UTF8_LOCALE_ONLY |
| 587 | int ConvertStringToBuf(const wxString& s, char *out, size_t outsize) |
| 588 | { |
| 589 | const wxCharBuffer buf(s.mb_str()); |
| 590 | |
| 591 | const size_t len = buf.length(); |
| 592 | if ( outsize > len ) |
| 593 | { |
| 594 | memcpy(out, buf, (len+1) * sizeof(char)); |
| 595 | } |
| 596 | else // not enough space |
| 597 | { |
| 598 | memcpy(out, buf, (outsize-1) * sizeof(char)); |
| 599 | out[outsize-1] = '\0'; |
| 600 | } |
| 601 | |
| 602 | return len; |
| 603 | } |
| 604 | #endif // !wxUSE_UTF8_LOCALE_ONLY |
| 605 | |
| 606 | #if wxUSE_UNICODE_UTF8 |
| 607 | int ConvertStringToBuf(const wxString& s, wchar_t *out, size_t outsize) |
| 608 | { |
| 609 | const wxWX2WCbuf buf(s.wc_str()); |
| 610 | size_t len = s.length(); // same as buf length for wchar_t* |
| 611 | if ( outsize > len ) |
| 612 | { |
| 613 | memcpy(out, buf, (len+1) * sizeof(wchar_t)); |
| 614 | } |
| 615 | else // not enough space |
| 616 | { |
| 617 | memcpy(out, buf, (outsize-1) * sizeof(wchar_t)); |
| 618 | out[outsize-1] = 0; |
| 619 | } |
| 620 | return len; |
| 621 | } |
| 622 | #endif // wxUSE_UNICODE_UTF8 |
| 623 | |
| 624 | } // anonymous namespace |
| 625 | |
| 626 | template<typename T> |
| 627 | static size_t PrintfViaString(T *out, size_t outsize, |
| 628 | const wxString& format, va_list argptr) |
| 629 | { |
| 630 | wxString s; |
| 631 | s.PrintfV(format, argptr); |
| 632 | |
| 633 | return ConvertStringToBuf(s, out, outsize); |
| 634 | } |
| 635 | #endif // wxUSE_UNICODE |
| 636 | |
| 637 | int wxVsprintf(char *str, const wxString& format, va_list argptr) |
| 638 | { |
| 639 | #if wxUSE_UTF8_LOCALE_ONLY |
| 640 | return wxCRT_VsprintfA(str, format.wx_str(), argptr); |
| 641 | #else |
| 642 | #if wxUSE_UNICODE_UTF8 |
| 643 | if ( wxLocaleIsUtf8 ) |
| 644 | return wxCRT_VsprintfA(str, format.wx_str(), argptr); |
| 645 | else |
| 646 | #endif |
| 647 | #if wxUSE_UNICODE |
| 648 | return PrintfViaString(str, wxNO_LEN, format, argptr); |
| 649 | #else |
| 650 | return wxCRT_VsprintfA(str, format.mb_str(), argptr); |
| 651 | #endif |
| 652 | #endif |
| 653 | } |
| 654 | |
| 655 | #if wxUSE_UNICODE |
| 656 | int wxVsprintf(wchar_t *str, const wxString& format, va_list argptr) |
| 657 | { |
| 658 | #if wxUSE_UNICODE_WCHAR |
| 659 | #ifdef __DMC__ |
| 660 | /* |
| 661 | This fails with a bug similar to |
| 662 | http://www.digitalmars.com/pnews/read.php?server=news.digitalmars.com&group=c++.beta&artnum=680 |
| 663 | in DMC 8.49 and 8.50 |
| 664 | I don't see it being used in the wxWidgets sources at present (oct 2007) CE |
| 665 | */ |
| 666 | #pragma message ( "warning ::::: wxVsprintf(wchar_t *str, const wxString& format, va_list argptr) not yet implemented" ) |
| 667 | wxFAIL_MSG( wxT("TODO") ); |
| 668 | |
| 669 | return -1; |
| 670 | #else |
| 671 | return wxCRT_VsprintfW(str, format.wc_str(), argptr); |
| 672 | #endif //DMC |
| 673 | #else // wxUSE_UNICODE_UTF8 |
| 674 | #if !wxUSE_UTF8_LOCALE_ONLY |
| 675 | if ( !wxLocaleIsUtf8 ) |
| 676 | return wxCRT_VsprintfW(str, format.wc_str(), argptr); |
| 677 | else |
| 678 | #endif |
| 679 | return PrintfViaString(str, wxNO_LEN, format, argptr); |
| 680 | #endif // wxUSE_UNICODE_UTF8 |
| 681 | } |
| 682 | #endif // wxUSE_UNICODE |
| 683 | |
| 684 | int wxVsnprintf(char *str, size_t size, const wxString& format, va_list argptr) |
| 685 | { |
| 686 | int rv; |
| 687 | #if wxUSE_UTF8_LOCALE_ONLY |
| 688 | rv = wxCRT_VsnprintfA(str, size, format.wx_str(), argptr); |
| 689 | #else |
| 690 | #if wxUSE_UNICODE_UTF8 |
| 691 | if ( wxLocaleIsUtf8 ) |
| 692 | rv = wxCRT_VsnprintfA(str, size, format.wx_str(), argptr); |
| 693 | else |
| 694 | #endif |
| 695 | #if wxUSE_UNICODE |
| 696 | { |
| 697 | // NB: if this code is called, then wxString::PrintV() would use the |
| 698 | // wchar_t* version of wxVsnprintf(), so it's safe to use PrintV() |
| 699 | // from here |
| 700 | rv = PrintfViaString(str, size, format, argptr); |
| 701 | } |
| 702 | #else |
| 703 | rv = wxCRT_VsnprintfA(str, size, format.mb_str(), argptr); |
| 704 | #endif |
| 705 | #endif |
| 706 | |
| 707 | // VsnprintfTestCase reveals that glibc's implementation of vswprintf |
| 708 | // doesn't nul terminate on truncation. |
| 709 | str[size - 1] = 0; |
| 710 | |
| 711 | return rv; |
| 712 | } |
| 713 | |
| 714 | #if wxUSE_UNICODE |
| 715 | int wxVsnprintf(wchar_t *str, size_t size, const wxString& format, va_list argptr) |
| 716 | { |
| 717 | int rv; |
| 718 | |
| 719 | #if wxUSE_UNICODE_WCHAR |
| 720 | rv = wxCRT_VsnprintfW(str, size, format.wc_str(), argptr); |
| 721 | #else // wxUSE_UNICODE_UTF8 |
| 722 | #if !wxUSE_UTF8_LOCALE_ONLY |
| 723 | if ( !wxLocaleIsUtf8 ) |
| 724 | rv = wxCRT_VsnprintfW(str, size, format.wc_str(), argptr); |
| 725 | else |
| 726 | #endif |
| 727 | { |
| 728 | // NB: if this code is called, then wxString::PrintV() would use the |
| 729 | // char* version of wxVsnprintf(), so it's safe to use PrintV() |
| 730 | // from here |
| 731 | rv = PrintfViaString(str, size, format, argptr); |
| 732 | } |
| 733 | #endif // wxUSE_UNICODE_UTF8 |
| 734 | |
| 735 | // VsnprintfTestCase reveals that glibc's implementation of vswprintf |
| 736 | // doesn't nul terminate on truncation. |
| 737 | str[size - 1] = 0; |
| 738 | |
| 739 | return rv; |
| 740 | } |
| 741 | #endif // wxUSE_UNICODE |
| 742 | |
| 743 | |
| 744 | // ---------------------------------------------------------------------------- |
| 745 | // ctype.h stuff (currently unused) |
| 746 | // ---------------------------------------------------------------------------- |
| 747 | |
| 748 | #ifdef wxNEED_WX_MBSTOWCS |
| 749 | |
| 750 | WXDLLIMPEXP_BASE size_t wxMbstowcs (wchar_t * out, const char * in, size_t outlen) |
| 751 | { |
| 752 | if (!out) |
| 753 | { |
| 754 | size_t outsize = 0; |
| 755 | while(*in++) |
| 756 | outsize++; |
| 757 | return outsize; |
| 758 | } |
| 759 | |
| 760 | const char* origin = in; |
| 761 | |
| 762 | while (outlen-- && *in) |
| 763 | { |
| 764 | *out++ = (wchar_t) *in++; |
| 765 | } |
| 766 | |
| 767 | *out = '\0'; |
| 768 | |
| 769 | return in - origin; |
| 770 | } |
| 771 | |
| 772 | WXDLLIMPEXP_BASE size_t wxWcstombs (char * out, const wchar_t * in, size_t outlen) |
| 773 | { |
| 774 | if (!out) |
| 775 | { |
| 776 | size_t outsize = 0; |
| 777 | while(*in++) |
| 778 | outsize++; |
| 779 | return outsize; |
| 780 | } |
| 781 | |
| 782 | const wchar_t* origin = in; |
| 783 | |
| 784 | while (outlen-- && *in) |
| 785 | { |
| 786 | *out++ = (char) *in++; |
| 787 | } |
| 788 | |
| 789 | *out = '\0'; |
| 790 | |
| 791 | return in - origin; |
| 792 | } |
| 793 | |
| 794 | #endif // wxNEED_WX_MBSTOWCS |
| 795 | |
| 796 | #ifndef wxCRT_StrdupA |
| 797 | WXDLLIMPEXP_BASE char *wxCRT_StrdupA(const char *s) |
| 798 | { |
| 799 | return strcpy((char *)malloc(strlen(s) + 1), s); |
| 800 | } |
| 801 | #endif // wxCRT_StrdupA |
| 802 | |
| 803 | #ifndef wxCRT_StrdupW |
| 804 | WXDLLIMPEXP_BASE wchar_t * wxCRT_StrdupW(const wchar_t *pwz) |
| 805 | { |
| 806 | size_t size = (wxWcslen(pwz) + 1) * sizeof(wchar_t); |
| 807 | wchar_t *ret = (wchar_t *) malloc(size); |
| 808 | memcpy(ret, pwz, size); |
| 809 | return ret; |
| 810 | } |
| 811 | #endif // wxCRT_StrdupW |
| 812 | |
| 813 | #ifndef wxWCHAR_T_IS_WXCHAR16 |
| 814 | size_t wxStrlen(const wxChar16 *s ) |
| 815 | { |
| 816 | if (!s) return 0; |
| 817 | size_t i=0; |
| 818 | while (*s!=0) { ++i; ++s; }; |
| 819 | return i; |
| 820 | } |
| 821 | |
| 822 | wxChar16* wxStrdup(const wxChar16* s) |
| 823 | { |
| 824 | size_t size = (wxStrlen(s) + 1) * sizeof(wxChar16); |
| 825 | wxChar16 *ret = (wxChar16*) malloc(size); |
| 826 | memcpy(ret, s, size); |
| 827 | return ret; |
| 828 | } |
| 829 | #endif |
| 830 | |
| 831 | #ifndef wxWCHAR_T_IS_WXCHAR32 |
| 832 | size_t wxStrlen(const wxChar32 *s ) |
| 833 | { |
| 834 | if (!s) return 0; |
| 835 | size_t i=0; |
| 836 | while (*s!=0) { ++i; ++s; }; |
| 837 | return i; |
| 838 | } |
| 839 | |
| 840 | wxChar32* wxStrdup(const wxChar32* s) |
| 841 | { |
| 842 | size_t size = (wxStrlen(s) + 1) * sizeof(wxChar32); |
| 843 | wxChar32 *ret = (wxChar32*) malloc(size); |
| 844 | memcpy(ret, s, size); |
| 845 | return ret; |
| 846 | } |
| 847 | #endif |
| 848 | |
| 849 | #ifndef wxCRT_StricmpA |
| 850 | WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2) |
| 851 | { |
| 852 | register char c1, c2; |
| 853 | do { |
| 854 | c1 = wxTolower(*psz1++); |
| 855 | c2 = wxTolower(*psz2++); |
| 856 | } while ( c1 && (c1 == c2) ); |
| 857 | return c1 - c2; |
| 858 | } |
| 859 | #endif // !defined(wxCRT_StricmpA) |
| 860 | |
| 861 | #ifndef wxCRT_StricmpW |
| 862 | WXDLLIMPEXP_BASE int wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2) |
| 863 | { |
| 864 | register wchar_t c1, c2; |
| 865 | do { |
| 866 | c1 = wxTolower(*psz1++); |
| 867 | c2 = wxTolower(*psz2++); |
| 868 | } while ( c1 && (c1 == c2) ); |
| 869 | return c1 - c2; |
| 870 | } |
| 871 | #endif // !defined(wxCRT_StricmpW) |
| 872 | |
| 873 | #ifndef wxCRT_StrnicmpA |
| 874 | WXDLLIMPEXP_BASE int wxCRT_StrnicmpA(const char *s1, const char *s2, size_t n) |
| 875 | { |
| 876 | // initialize the variables just to suppress stupid gcc warning |
| 877 | register char c1 = 0, c2 = 0; |
| 878 | while (n && ((c1 = wxTolower(*s1)) == (c2 = wxTolower(*s2)) ) && c1) n--, s1++, s2++; |
| 879 | if (n) { |
| 880 | if (c1 < c2) return -1; |
| 881 | if (c1 > c2) return 1; |
| 882 | } |
| 883 | return 0; |
| 884 | } |
| 885 | #endif // !defined(wxCRT_StrnicmpA) |
| 886 | |
| 887 | #ifndef wxCRT_StrnicmpW |
| 888 | WXDLLIMPEXP_BASE int wxCRT_StrnicmpW(const wchar_t *s1, const wchar_t *s2, size_t n) |
| 889 | { |
| 890 | // initialize the variables just to suppress stupid gcc warning |
| 891 | register wchar_t c1 = 0, c2 = 0; |
| 892 | while (n && ((c1 = wxTolower(*s1)) == (c2 = wxTolower(*s2)) ) && c1) n--, s1++, s2++; |
| 893 | if (n) { |
| 894 | if (c1 < c2) return -1; |
| 895 | if (c1 > c2) return 1; |
| 896 | } |
| 897 | return 0; |
| 898 | } |
| 899 | #endif // !defined(wxCRT_StrnicmpW) |
| 900 | |
| 901 | // ---------------------------------------------------------------------------- |
| 902 | // string.h functions |
| 903 | // ---------------------------------------------------------------------------- |
| 904 | |
| 905 | // this (and wxCRT_StrncmpW below) are extern "C" because they are needed |
| 906 | // by regex code, the rest isn't needed, so it's not declared as extern "C" |
| 907 | #ifndef wxCRT_StrlenW |
| 908 | extern "C" WXDLLIMPEXP_BASE size_t wxCRT_StrlenW(const wchar_t *s) |
| 909 | { |
| 910 | size_t n = 0; |
| 911 | while ( *s++ ) |
| 912 | n++; |
| 913 | |
| 914 | return n; |
| 915 | } |
| 916 | #endif |
| 917 | |
| 918 | // ---------------------------------------------------------------------------- |
| 919 | // stdlib.h functions |
| 920 | // ---------------------------------------------------------------------------- |
| 921 | |
| 922 | #ifndef wxCRT_GetenvW |
| 923 | WXDLLIMPEXP_BASE wchar_t* wxCRT_GetenvW(const wchar_t *name) |
| 924 | { |
| 925 | // NB: buffer returned by getenv() is allowed to be overwritten next |
| 926 | // time getenv() is called, so it is OK to use static string |
| 927 | // buffer to hold the data. |
| 928 | static wxWCharBuffer value; |
| 929 | value = wxConvLibc.cMB2WC(getenv(wxConvLibc.cWC2MB(name))); |
| 930 | return value.data(); |
| 931 | } |
| 932 | #endif // !wxCRT_GetenvW |
| 933 | |
| 934 | #ifndef wxCRT_StrftimeW |
| 935 | WXDLLIMPEXP_BASE size_t |
| 936 | wxCRT_StrftimeW(wchar_t *s, size_t maxsize, const wchar_t *fmt, const struct tm *tm) |
| 937 | { |
| 938 | if ( !maxsize ) |
| 939 | return 0; |
| 940 | |
| 941 | wxCharBuffer buf(maxsize); |
| 942 | |
| 943 | wxCharBuffer bufFmt(wxConvLibc.cWX2MB(fmt)); |
| 944 | if ( !bufFmt ) |
| 945 | return 0; |
| 946 | |
| 947 | size_t ret = strftime(buf.data(), maxsize, bufFmt, tm); |
| 948 | if ( !ret ) |
| 949 | return 0; |
| 950 | |
| 951 | wxWCharBuffer wbuf = wxConvLibc.cMB2WX(buf); |
| 952 | if ( !wbuf ) |
| 953 | return 0; |
| 954 | |
| 955 | wxCRT_StrncpyW(s, wbuf, maxsize); |
| 956 | return wxCRT_StrlenW(s); |
| 957 | } |
| 958 | #endif // !wxCRT_StrftimeW |
| 959 | |
| 960 | #ifdef wxLongLong_t |
| 961 | template<typename T> |
| 962 | static wxULongLong_t |
| 963 | wxCRT_StrtoullBase(const T* nptr, T** endptr, int base, T* sign) |
| 964 | { |
| 965 | wxULongLong_t sum = 0; |
| 966 | wxString wxstr(nptr); |
| 967 | wxString::const_iterator i = wxstr.begin(); |
| 968 | wxString::const_iterator end = wxstr.end(); |
| 969 | |
| 970 | // Skip spaces |
| 971 | while ( i != end && wxIsspace(*i) ) ++i; |
| 972 | |
| 973 | // Starts with sign? |
| 974 | *sign = wxT(' '); |
| 975 | if ( i != end ) |
| 976 | { |
| 977 | T c = *i; |
| 978 | if ( c == wxT('+') || c == wxT('-') ) |
| 979 | { |
| 980 | *sign = c; |
| 981 | ++i; |
| 982 | } |
| 983 | } |
| 984 | |
| 985 | // Starts with 0x? |
| 986 | if ( i != end && *i == wxT('0') ) |
| 987 | { |
| 988 | ++i; |
| 989 | if ( i != end ) |
| 990 | { |
| 991 | if ( *i == wxT('x') && (base == 16 || base == 0) ) |
| 992 | { |
| 993 | base = 16; |
| 994 | ++i; |
| 995 | } |
| 996 | else |
| 997 | { |
| 998 | if ( endptr ) |
| 999 | *endptr = (T*) nptr; |
| 1000 | wxSET_ERRNO(EINVAL); |
| 1001 | return sum; |
| 1002 | } |
| 1003 | } |
| 1004 | else |
| 1005 | --i; |
| 1006 | } |
| 1007 | |
| 1008 | if ( base == 0 ) |
| 1009 | base = 10; |
| 1010 | |
| 1011 | for ( ; i != end; ++i ) |
| 1012 | { |
| 1013 | unsigned int n; |
| 1014 | |
| 1015 | T c = *i; |
| 1016 | if ( c >= '0' ) |
| 1017 | { |
| 1018 | if ( c <= '9' ) |
| 1019 | n = c - wxT('0'); |
| 1020 | else |
| 1021 | n = wxTolower(c) - wxT('a') + 10; |
| 1022 | } |
| 1023 | else |
| 1024 | break; |
| 1025 | |
| 1026 | if ( n >= (unsigned int)base ) |
| 1027 | // Invalid character (for this base) |
| 1028 | break; |
| 1029 | |
| 1030 | wxULongLong_t prevsum = sum; |
| 1031 | sum = (sum * base) + n; |
| 1032 | |
| 1033 | if ( sum < prevsum ) |
| 1034 | { |
| 1035 | wxSET_ERRNO(ERANGE); |
| 1036 | break; |
| 1037 | } |
| 1038 | } |
| 1039 | |
| 1040 | if ( endptr ) |
| 1041 | { |
| 1042 | *endptr = (T*)(nptr + (i - wxstr.begin())); |
| 1043 | } |
| 1044 | |
| 1045 | return sum; |
| 1046 | } |
| 1047 | |
| 1048 | template<typename T> |
| 1049 | static wxULongLong_t wxCRT_DoStrtoull(const T* nptr, T** endptr, int base) |
| 1050 | { |
| 1051 | T sign; |
| 1052 | wxULongLong_t uval = ::wxCRT_StrtoullBase(nptr, endptr, base, &sign); |
| 1053 | |
| 1054 | if ( sign == wxT('-') ) |
| 1055 | { |
| 1056 | wxSET_ERRNO(ERANGE); |
| 1057 | uval = 0; |
| 1058 | } |
| 1059 | |
| 1060 | return uval; |
| 1061 | } |
| 1062 | |
| 1063 | template<typename T> |
| 1064 | static wxLongLong_t wxCRT_DoStrtoll(const T* nptr, T** endptr, int base) |
| 1065 | { |
| 1066 | T sign; |
| 1067 | wxULongLong_t uval = ::wxCRT_StrtoullBase(nptr, endptr, base, &sign); |
| 1068 | wxLongLong_t val = 0; |
| 1069 | |
| 1070 | if ( sign == wxT('-') ) |
| 1071 | { |
| 1072 | if (uval <= (wxULongLong_t)wxINT64_MAX + 1) |
| 1073 | { |
| 1074 | val = -(wxLongLong_t)uval; |
| 1075 | } |
| 1076 | else |
| 1077 | { |
| 1078 | wxSET_ERRNO(ERANGE); |
| 1079 | } |
| 1080 | } |
| 1081 | else if ( uval <= wxINT64_MAX ) |
| 1082 | { |
| 1083 | val = uval; |
| 1084 | } |
| 1085 | else |
| 1086 | { |
| 1087 | wxSET_ERRNO(ERANGE); |
| 1088 | } |
| 1089 | |
| 1090 | return val; |
| 1091 | } |
| 1092 | |
| 1093 | #ifndef wxCRT_StrtollA |
| 1094 | wxLongLong_t wxCRT_StrtollA(const char* nptr, char** endptr, int base) |
| 1095 | { return wxCRT_DoStrtoll(nptr, endptr, base); } |
| 1096 | #endif |
| 1097 | #ifndef wxCRT_StrtollW |
| 1098 | wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr, wchar_t** endptr, int base) |
| 1099 | { return wxCRT_DoStrtoll(nptr, endptr, base); } |
| 1100 | #endif |
| 1101 | |
| 1102 | #ifndef wxCRT_StrtoullA |
| 1103 | wxULongLong_t wxCRT_StrtoullA(const char* nptr, char** endptr, int base) |
| 1104 | { return wxCRT_DoStrtoull(nptr, endptr, base); } |
| 1105 | #endif |
| 1106 | #ifndef wxCRT_StrtoullW |
| 1107 | wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr, wchar_t** endptr, int base) |
| 1108 | { return wxCRT_DoStrtoull(nptr, endptr, base); } |
| 1109 | #endif |
| 1110 | |
| 1111 | #endif // wxLongLong_t |
| 1112 | |
| 1113 | // ---------------------------------------------------------------------------- |
| 1114 | // strtok() functions |
| 1115 | // ---------------------------------------------------------------------------- |
| 1116 | |
| 1117 | template<typename T> |
| 1118 | static T *wxCRT_DoStrtok(T *psz, const T *delim, T **save_ptr) |
| 1119 | { |
| 1120 | if (!psz) |
| 1121 | { |
| 1122 | psz = *save_ptr; |
| 1123 | if ( !psz ) |
| 1124 | return NULL; |
| 1125 | } |
| 1126 | |
| 1127 | psz += wxStrspn(psz, delim); |
| 1128 | if (!*psz) |
| 1129 | { |
| 1130 | *save_ptr = NULL; |
| 1131 | return NULL; |
| 1132 | } |
| 1133 | |
| 1134 | T *ret = psz; |
| 1135 | psz = wxStrpbrk(psz, delim); |
| 1136 | if (!psz) |
| 1137 | { |
| 1138 | *save_ptr = NULL; |
| 1139 | } |
| 1140 | else |
| 1141 | { |
| 1142 | *psz = wxT('\0'); |
| 1143 | *save_ptr = psz + 1; |
| 1144 | } |
| 1145 | |
| 1146 | return ret; |
| 1147 | } |
| 1148 | |
| 1149 | #ifndef wxCRT_StrtokA |
| 1150 | char *wxCRT_StrtokA(char *psz, const char *delim, char **save_ptr) |
| 1151 | { return wxCRT_DoStrtok(psz, delim, save_ptr); } |
| 1152 | #endif |
| 1153 | #ifndef wxCRT_StrtokW |
| 1154 | wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wchar_t **save_ptr) |
| 1155 | { return wxCRT_DoStrtok(psz, delim, save_ptr); } |
| 1156 | #endif |
| 1157 | |
| 1158 | // ---------------------------------------------------------------------------- |
| 1159 | // missing C RTL functions |
| 1160 | // ---------------------------------------------------------------------------- |
| 1161 | |
| 1162 | #ifdef wxNEED_STRDUP |
| 1163 | |
| 1164 | char *strdup(const char *s) |
| 1165 | { |
| 1166 | char *dest = (char*) malloc( strlen( s ) + 1 ) ; |
| 1167 | if ( dest ) |
| 1168 | strcpy( dest , s ) ; |
| 1169 | return dest ; |
| 1170 | } |
| 1171 | #endif // wxNEED_STRDUP |
| 1172 | |
| 1173 | #if defined(__WXWINCE__) && (_WIN32_WCE <= 211) |
| 1174 | |
| 1175 | void *calloc( size_t num, size_t size ) |
| 1176 | { |
| 1177 | void** ptr = (void **)malloc(num * size); |
| 1178 | memset( ptr, 0, num * size); |
| 1179 | return ptr; |
| 1180 | } |
| 1181 | |
| 1182 | #endif // __WXWINCE__ <= 211 |
| 1183 | |
| 1184 | // ============================================================================ |
| 1185 | // wxLocaleIsUtf8 |
| 1186 | // ============================================================================ |
| 1187 | |
| 1188 | #if wxUSE_UNICODE_UTF8 |
| 1189 | |
| 1190 | #if !wxUSE_UTF8_LOCALE_ONLY |
| 1191 | bool wxLocaleIsUtf8 = false; // the safer setting if not known |
| 1192 | #endif |
| 1193 | |
| 1194 | static bool wxIsLocaleUtf8() |
| 1195 | { |
| 1196 | // NB: we intentionally don't use wxLocale::GetSystemEncodingName(), |
| 1197 | // because a) it may be unavailable in some builds and b) has slightly |
| 1198 | // different semantics (default locale instead of current) |
| 1199 | |
| 1200 | #if defined(HAVE_LANGINFO_H) && defined(CODESET) |
| 1201 | // GNU libc provides current character set this way (this conforms to |
| 1202 | // Unix98) |
| 1203 | const char *charset = nl_langinfo(CODESET); |
| 1204 | if ( charset ) |
| 1205 | { |
| 1206 | // "UTF-8" is used by modern glibc versions, but test other variants |
| 1207 | // as well, just in case: |
| 1208 | if ( strcmp(charset, "UTF-8") == 0 || |
| 1209 | strcmp(charset, "utf-8") == 0 || |
| 1210 | strcmp(charset, "UTF8") == 0 || |
| 1211 | strcmp(charset, "utf8") == 0 ) |
| 1212 | { |
| 1213 | return true; |
| 1214 | } |
| 1215 | } |
| 1216 | #endif // HAVE_LANGINFO_H |
| 1217 | |
| 1218 | // check if we're running under the "C" locale: it is 7bit subset |
| 1219 | // of UTF-8, so it can be safely used with the UTF-8 build: |
| 1220 | const char *lc_ctype = setlocale(LC_CTYPE, NULL); |
| 1221 | if ( lc_ctype && |
| 1222 | (strcmp(lc_ctype, "C") == 0 || strcmp(lc_ctype, "POSIX") == 0) ) |
| 1223 | { |
| 1224 | return true; |
| 1225 | } |
| 1226 | |
| 1227 | // we don't know what charset libc is using, so assume the worst |
| 1228 | // to be safe: |
| 1229 | return false; |
| 1230 | } |
| 1231 | |
| 1232 | void wxUpdateLocaleIsUtf8() |
| 1233 | { |
| 1234 | #if wxUSE_UTF8_LOCALE_ONLY |
| 1235 | if ( !wxIsLocaleUtf8() ) |
| 1236 | { |
| 1237 | wxLogFatalError(wxT("This program requires UTF-8 locale to run.")); |
| 1238 | } |
| 1239 | #else // !wxUSE_UTF8_LOCALE_ONLY |
| 1240 | wxLocaleIsUtf8 = wxIsLocaleUtf8(); |
| 1241 | #endif |
| 1242 | } |
| 1243 | |
| 1244 | #endif // wxUSE_UNICODE_UTF8 |
| 1245 | |
| 1246 | // ============================================================================ |
| 1247 | // wx wrappers for CRT functions |
| 1248 | // ============================================================================ |
| 1249 | |
| 1250 | #if wxUSE_UNICODE_WCHAR |
| 1251 | #define CALL_ANSI_OR_UNICODE(return_kw, callA, callW) return_kw callW |
| 1252 | #elif wxUSE_UNICODE_UTF8 && !wxUSE_UTF8_LOCALE_ONLY |
| 1253 | #define CALL_ANSI_OR_UNICODE(return_kw, callA, callW) \ |
| 1254 | return_kw wxLocaleIsUtf8 ? callA : callW |
| 1255 | #else // ANSI or UTF8 only |
| 1256 | #define CALL_ANSI_OR_UNICODE(return_kw, callA, callW) return_kw callA |
| 1257 | #endif |
| 1258 | |
| 1259 | int wxPuts(const wxString& s) |
| 1260 | { |
| 1261 | // under IRIX putws() takes a non-const argument so use wchar_str() instead |
| 1262 | // of wc_str() |
| 1263 | CALL_ANSI_OR_UNICODE(return, |
| 1264 | wxCRT_PutsA(s.mb_str()), |
| 1265 | wxCRT_PutsW(s.wchar_str())); |
| 1266 | } |
| 1267 | |
| 1268 | int wxFputs(const wxString& s, FILE *stream) |
| 1269 | { |
| 1270 | CALL_ANSI_OR_UNICODE(return, |
| 1271 | wxCRT_FputsA(s.mb_str(), stream), |
| 1272 | wxCRT_FputsW(s.wc_str(), stream)); |
| 1273 | } |
| 1274 | |
| 1275 | int wxFputc(const wxUniChar& c, FILE *stream) |
| 1276 | { |
| 1277 | #if !wxUSE_UNICODE // FIXME-UTF8: temporary, remove this with ANSI build |
| 1278 | return wxCRT_FputcA((char)c, stream); |
| 1279 | #else |
| 1280 | CALL_ANSI_OR_UNICODE(return, |
| 1281 | wxCRT_FputsA(c.AsUTF8(), stream), |
| 1282 | wxCRT_FputcW((wchar_t)c, stream)); |
| 1283 | #endif |
| 1284 | } |
| 1285 | |
| 1286 | #ifdef wxCRT_PerrorA |
| 1287 | |
| 1288 | void wxPerror(const wxString& s) |
| 1289 | { |
| 1290 | #ifdef wxCRT_PerrorW |
| 1291 | CALL_ANSI_OR_UNICODE(wxEMPTY_PARAMETER_VALUE, |
| 1292 | wxCRT_PerrorA(s.mb_str()), |
| 1293 | wxCRT_PerrorW(s.wc_str())); |
| 1294 | #else |
| 1295 | wxCRT_PerrorA(s.mb_str()); |
| 1296 | #endif |
| 1297 | } |
| 1298 | |
| 1299 | #endif // wxCRT_PerrorA |
| 1300 | |
| 1301 | wchar_t *wxFgets(wchar_t *s, int size, FILE *stream) |
| 1302 | { |
| 1303 | wxCHECK_MSG( s, NULL, "empty buffer passed to wxFgets()" ); |
| 1304 | |
| 1305 | wxCharBuffer buf(size - 1); |
| 1306 | // FIXME: this reads too little data if wxConvLibc uses UTF-8 ('size' wide |
| 1307 | // characters may be encoded by up to 'size'*4 bytes), but what |
| 1308 | // else can we do? |
| 1309 | if ( wxFgets(buf.data(), size, stream) == NULL ) |
| 1310 | return NULL; |
| 1311 | |
| 1312 | if ( wxConvLibc.ToWChar(s, size, buf, wxNO_LEN) == wxCONV_FAILED ) |
| 1313 | return NULL; |
| 1314 | |
| 1315 | return s; |
| 1316 | } |
| 1317 | |
| 1318 | // ---------------------------------------------------------------------------- |
| 1319 | // wxScanf() and friends |
| 1320 | // ---------------------------------------------------------------------------- |
| 1321 | |
| 1322 | #ifdef HAVE_VSSCANF // __VISUALC__ and __DMC__ see wx/crt.h |
| 1323 | int wxVsscanf(const char *str, const char *format, va_list ap) |
| 1324 | { return wxCRT_VsscanfA(str, format, ap); } |
| 1325 | int wxVsscanf(const wchar_t *str, const wchar_t *format, va_list ap) |
| 1326 | { return wxCRT_VsscanfW(str, format, ap); } |
| 1327 | int wxVsscanf(const wxCharBuffer& str, const char *format, va_list ap) |
| 1328 | { return wxCRT_VsscanfA(static_cast<const char*>(str), format, ap); } |
| 1329 | int wxVsscanf(const wxWCharBuffer& str, const wchar_t *format, va_list ap) |
| 1330 | { return wxCRT_VsscanfW(str, format, ap); } |
| 1331 | int wxVsscanf(const wxString& str, const char *format, va_list ap) |
| 1332 | { return wxCRT_VsscanfA(static_cast<const char*>(str.mb_str()), format, ap); } |
| 1333 | int wxVsscanf(const wxString& str, const wchar_t *format, va_list ap) |
| 1334 | { return wxCRT_VsscanfW(str.wc_str(), format, ap); } |
| 1335 | int wxVsscanf(const wxCStrData& str, const char *format, va_list ap) |
| 1336 | { return wxCRT_VsscanfA(static_cast<const char*>(str.AsCharBuf()), format, ap); } |
| 1337 | int wxVsscanf(const wxCStrData& str, const wchar_t *format, va_list ap) |
| 1338 | { return wxCRT_VsscanfW(str.AsWCharBuf(), format, ap); } |
| 1339 | #endif // HAVE_NO_VSSCANF |