1 ///////////////////////////////////////////////////////////////////////////// 2 // Name: wx/log.h 3 // Purpose: Assorted wxLogXXX functions, and wxLog (sink for logs) 4 // Author: Vadim Zeitlin 5 // Modified by: 6 // Created: 29/01/98 7 // RCS-ID: $Id: log.h 50993 2008-01-02 21:18:15Z VZ $ 8 // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> 9 // Licence: wxWindows licence 10 ///////////////////////////////////////////////////////////////////////////// 11 12 #ifndef _WX_LOG_H_ 13 #define _WX_LOG_H_ 14 15 #include "wx/defs.h" 16 17 // ---------------------------------------------------------------------------- 18 // common constants for use in wxUSE_LOG/!wxUSE_LOG 19 // ---------------------------------------------------------------------------- 20 21 // the trace masks have been superceded by symbolic trace constants, they're 22 // for compatibility only andwill be removed soon - do NOT use them 23 24 // meaning of different bits of the trace mask (which allows selectively 25 // enable/disable some trace messages) 26 #define wxTraceMemAlloc 0x0001 // trace memory allocation (new/delete) 27 #define wxTraceMessages 0x0002 // trace window messages/X callbacks 28 #define wxTraceResAlloc 0x0004 // trace GDI resource allocation 29 #define wxTraceRefCount 0x0008 // trace various ref counting operations 30 31 #ifdef __WXMSW__ 32 #define wxTraceOleCalls 0x0100 // OLE interface calls 33 #endif 34 35 // ---------------------------------------------------------------------------- 36 // types 37 // ---------------------------------------------------------------------------- 38 39 // NB: these types are needed even if wxUSE_LOG == 0 40 typedef unsigned long wxTraceMask; 41 typedef unsigned long wxLogLevel; 42 43 // ---------------------------------------------------------------------------- 44 // headers 45 // ---------------------------------------------------------------------------- 46 47 #include "wx/string.h" 48 49 #if wxUSE_LOG 50 51 #include "wx/arrstr.h" 52 53 #ifndef __WXWINCE__ 54 #include <time.h> // for time_t 55 #endif 56 57 #include "wx/dynarray.h" 58 59 #ifndef wxUSE_LOG_DEBUG 60 # ifdef __WXDEBUG__ 61 # define wxUSE_LOG_DEBUG 1 62 # else // !__WXDEBUG__ 63 # define wxUSE_LOG_DEBUG 0 64 # endif 65 #endif 66 67 // ---------------------------------------------------------------------------- 68 // forward declarations 69 // ---------------------------------------------------------------------------- 70 71 #if wxUSE_GUI 72 class WXDLLIMPEXP_FWD_CORE wxTextCtrl; 73 class WXDLLIMPEXP_FWD_CORE wxLogFrame; 74 class WXDLLIMPEXP_FWD_CORE wxFrame; 75 class WXDLLIMPEXP_FWD_CORE wxWindow; 76 #endif // wxUSE_GUI 77 78 // ---------------------------------------------------------------------------- 79 // constants 80 // ---------------------------------------------------------------------------- 81 82 // different standard log levels (you may also define your own) 83 enum 84 { 85 wxLOG_FatalError, // program can't continue, abort immediately 86 wxLOG_Error, // a serious error, user must be informed about it 87 wxLOG_Warning, // user is normally informed about it but may be ignored 88 wxLOG_Message, // normal message (i.e. normal output of a non GUI app) 89 wxLOG_Status, // informational: might go to the status line of GUI app 90 wxLOG_Info, // informational message (a.k.a. 'Verbose') 91 wxLOG_Debug, // never shown to the user, disabled in release mode 92 wxLOG_Trace, // trace messages are also only enabled in debug mode 93 wxLOG_Progress, // used for progress indicator (not yet) 94 wxLOG_User = 100, // user defined levels start here 95 wxLOG_Max = 10000 96 }; 97 98 // symbolic trace masks - wxLogTrace("foo", "some trace message...") will be 99 // discarded unless the string "foo" has been added to the list of allowed 100 // ones with AddTraceMask() 101 102 #define wxTRACE_MemAlloc wxT("memalloc") // trace memory allocation (new/delete) 103 #define wxTRACE_Messages wxT("messages") // trace window messages/X callbacks 104 #define wxTRACE_ResAlloc wxT("resalloc") // trace GDI resource allocation 105 #define wxTRACE_RefCount wxT("refcount") // trace various ref counting operations 106 107 #ifdef __WXMSW__ 108 #define wxTRACE_OleCalls wxT("ole") // OLE interface calls 109 #endif 110 111 #include "wx/iosfwrap.h" 112 113 // ---------------------------------------------------------------------------- 114 // derive from this class to redirect (or suppress, or ...) log messages 115 // normally, only a single instance of this class exists but it's not enforced 116 // ---------------------------------------------------------------------------- 117 118 class WXDLLIMPEXP_BASE wxLog 119 { 120 public: 121 // ctor wxLog()122 wxLog(){} 123 124 // these functions allow to completely disable all log messages 125 126 // is logging disabled now? IsEnabled()127 static bool IsEnabled() { return ms_doLog; } 128 129 // change the flag state, return the previous one 130 static bool EnableLogging(bool doIt = true) 131 { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; } 132 133 // static sink function - see DoLog() for function to overload in the 134 // derived classes 135 static void OnLog(wxLogLevel level, const wxChar *szString, time_t t); 136 137 // message buffering 138 139 // flush shows all messages if they're not logged immediately (FILE 140 // and iostream logs don't need it, but wxGuiLog does to avoid showing 141 // 17 modal dialogs one after another) 142 virtual void Flush(); 143 144 // flush the active target if any FlushActive()145 static void FlushActive() 146 { 147 if ( !ms_suspendCount ) 148 { 149 wxLog *log = GetActiveTarget(); 150 if ( log ) 151 log->Flush(); 152 } 153 } 154 155 // only one sink is active at each moment 156 // get current log target, will call wxApp::CreateLogTarget() to 157 // create one if none exists 158 static wxLog *GetActiveTarget(); 159 160 // change log target, pLogger may be NULL 161 static wxLog *SetActiveTarget(wxLog *pLogger); 162 163 // suspend the message flushing of the main target until the next call 164 // to Resume() - this is mainly for internal use (to prevent wxYield() 165 // from flashing the messages) Suspend()166 static void Suspend() { ms_suspendCount++; } 167 168 // must be called for each Suspend()! Resume()169 static void Resume() { ms_suspendCount--; } 170 171 // functions controlling the default wxLog behaviour 172 // verbose mode is activated by standard command-line '-verbose' 173 // option 174 static void SetVerbose(bool bVerbose = true) { ms_bVerbose = bVerbose; } 175 176 // Set log level. Log messages with level > logLevel will not be logged. SetLogLevel(wxLogLevel logLevel)177 static void SetLogLevel(wxLogLevel logLevel) { ms_logLevel = logLevel; } 178 179 #if wxABI_VERSION >= 20805 /* 2.8.5+ only */ 180 // should GetActiveTarget() try to create a new log object if the 181 // current is NULL? 182 static void DontCreateOnDemand(); 183 #endif 184 185 // Make GetActiveTarget() create a new log object again. 186 static void DoCreateOnDemand(); 187 188 // log the count of repeating messages instead of logging the messages 189 // multiple times 190 static void SetRepetitionCounting(bool bRepetCounting = true) 191 { ms_bRepetCounting = bRepetCounting; } 192 193 // gets duplicate counting status GetRepetitionCounting()194 static bool GetRepetitionCounting() { return ms_bRepetCounting; } 195 196 // trace mask (see wxTraceXXX constants for details) SetTraceMask(wxTraceMask ulMask)197 static void SetTraceMask(wxTraceMask ulMask) { ms_ulTraceMask = ulMask; } 198 199 // add string trace mask AddTraceMask(const wxString & str)200 static void AddTraceMask(const wxString& str) 201 { ms_aTraceMasks.push_back(str); } 202 203 // add string trace mask 204 static void RemoveTraceMask(const wxString& str); 205 206 // remove all string trace masks 207 static void ClearTraceMasks(); 208 209 // get string trace masks GetTraceMasks()210 static const wxArrayString &GetTraceMasks() { return ms_aTraceMasks; } 211 212 // sets the timestamp string: this is used as strftime() format string 213 // for the log targets which add time stamps to the messages - set it 214 // to NULL to disable time stamping completely. SetTimestamp(const wxChar * ts)215 static void SetTimestamp(const wxChar *ts) { ms_timestamp = ts; } 216 217 218 // accessors 219 220 // gets the verbose status GetVerbose()221 static bool GetVerbose() { return ms_bVerbose; } 222 223 // get trace mask GetTraceMask()224 static wxTraceMask GetTraceMask() { return ms_ulTraceMask; } 225 226 // is this trace mask in the list? 227 static bool IsAllowedTraceMask(const wxChar *mask); 228 229 // return the current loglevel limit GetLogLevel()230 static wxLogLevel GetLogLevel() { return ms_logLevel; } 231 232 // get the current timestamp format string (may be NULL) GetTimestamp()233 static const wxChar *GetTimestamp() { return ms_timestamp; } 234 235 236 // helpers 237 238 // put the time stamp into the string if ms_timestamp != NULL (don't 239 // change it otherwise) 240 static void TimeStamp(wxString *str); 241 242 // make dtor virtual for all derived classes 243 virtual ~wxLog(); 244 245 246 // this method exists for backwards compatibility only, don't use HasPendingMessages()247 bool HasPendingMessages() const { return true; } 248 249 #if WXWIN_COMPATIBILITY_2_6 250 // this function doesn't do anything any more, don't call it 251 wxDEPRECATED( static wxChar *SetLogBuffer(wxChar *buf, size_t size = 0) ); 252 #endif 253 254 protected: 255 // the logging functions that can be overriden 256 257 // default DoLog() prepends the time stamp and a prefix corresponding 258 // to the message to szString and then passes it to DoLogString() 259 virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); 260 261 // default DoLogString does nothing but is not pure virtual because if 262 // you override DoLog() you might not need it at all 263 virtual void DoLogString(const wxChar *szString, time_t t); 264 265 // log a line containing the number of times the previous message was 266 // repeated and returns this number (which can be 0) 267 static unsigned DoLogNumberOfRepeats(); 268 269 private: 270 // static variables 271 // ---------------- 272 273 // traditional behaviour or counting repetitions 274 static bool ms_bRepetCounting; 275 static wxString ms_prevString; // previous message that was logged 276 // how many times the previous message was logged 277 static unsigned ms_prevCounter; 278 static time_t ms_prevTimeStamp;// timestamp of the previous message 279 static wxLogLevel ms_prevLevel; // level of the previous message 280 281 static wxLog *ms_pLogger; // currently active log sink 282 static bool ms_doLog; // false => all logging disabled 283 static bool ms_bAutoCreate; // create new log targets on demand? 284 static bool ms_bVerbose; // false => ignore LogInfo messages 285 286 static wxLogLevel ms_logLevel; // limit logging to levels <= ms_logLevel 287 288 static size_t ms_suspendCount; // if positive, logs are not flushed 289 290 // format string for strftime(), if NULL, time stamping log messages is 291 // disabled 292 static const wxChar *ms_timestamp; 293 294 static wxTraceMask ms_ulTraceMask; // controls wxLogTrace behaviour 295 static wxArrayString ms_aTraceMasks; // more powerful filter for wxLogTrace 296 297 298 // this is the replacement of DoLogNumberOfRepeats() (which has to be kept 299 // to avoid breaking ABI in this version) 300 unsigned LogLastRepeatIfNeeded(); 301 302 // implementation of the function above which supposes that the caller had 303 // already locked gs_prevCS 304 unsigned LogLastRepeatIfNeededUnlocked(); 305 }; 306 307 // ---------------------------------------------------------------------------- 308 // "trivial" derivations of wxLog 309 // ---------------------------------------------------------------------------- 310 311 // log everything to a buffer 312 class WXDLLIMPEXP_BASE wxLogBuffer : public wxLog 313 { 314 public: wxLogBuffer()315 wxLogBuffer() { } 316 317 // get the string contents with all messages logged GetBuffer()318 const wxString& GetBuffer() const { return m_str; } 319 320 // show the buffer contents to the user in the best possible way (this uses 321 // wxMessageOutputMessageBox) and clear it 322 virtual void Flush(); 323 324 protected: 325 virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); 326 virtual void DoLogString(const wxChar *szString, time_t t); 327 328 private: 329 wxString m_str; 330 331 DECLARE_NO_COPY_CLASS(wxLogBuffer) 332 }; 333 334 335 // log everything to a "FILE *", stderr by default 336 class WXDLLIMPEXP_BASE wxLogStderr : public wxLog 337 { 338 public: 339 // redirect log output to a FILE 340 wxLogStderr(FILE *fp = (FILE *) NULL); 341 342 protected: 343 // implement sink function 344 virtual void DoLogString(const wxChar *szString, time_t t); 345 346 FILE *m_fp; 347 348 DECLARE_NO_COPY_CLASS(wxLogStderr) 349 }; 350 351 #if wxUSE_STD_IOSTREAM 352 353 // log everything to an "ostream", cerr by default 354 class WXDLLIMPEXP_BASE wxLogStream : public wxLog 355 { 356 public: 357 // redirect log output to an ostream 358 wxLogStream(wxSTD ostream *ostr = (wxSTD ostream *) NULL); 359 360 protected: 361 // implement sink function 362 virtual void DoLogString(const wxChar *szString, time_t t); 363 364 // using ptr here to avoid including <iostream.h> from this file 365 wxSTD ostream *m_ostr; 366 }; 367 368 #endif // wxUSE_STD_IOSTREAM 369 370 // ---------------------------------------------------------------------------- 371 // /dev/null log target: suppress logging until this object goes out of scope 372 // ---------------------------------------------------------------------------- 373 374 // example of usage: 375 /* 376 void Foo() 377 { 378 wxFile file; 379 380 // wxFile.Open() normally complains if file can't be opened, we don't 381 // want it 382 wxLogNull logNo; 383 384 if ( !file.Open("bar") ) 385 ... process error ourselves ... 386 387 // ~wxLogNull called, old log sink restored 388 } 389 */ 390 class WXDLLIMPEXP_BASE wxLogNull 391 { 392 public: wxLogNull()393 wxLogNull() : m_flagOld(wxLog::EnableLogging(false)) { } ~wxLogNull()394 ~wxLogNull() { (void)wxLog::EnableLogging(m_flagOld); } 395 396 private: 397 bool m_flagOld; // the previous value of the wxLog::ms_doLog 398 }; 399 400 // ---------------------------------------------------------------------------- 401 // chaining log target: installs itself as a log target and passes all 402 // messages to the real log target given to it in the ctor but also forwards 403 // them to the previously active one 404 // 405 // note that you don't have to call SetActiveTarget() with this class, it 406 // does it itself in its ctor 407 // ---------------------------------------------------------------------------- 408 409 class WXDLLIMPEXP_BASE wxLogChain : public wxLog 410 { 411 public: 412 wxLogChain(wxLog *logger); 413 virtual ~wxLogChain(); 414 415 // change the new log target 416 void SetLog(wxLog *logger); 417 418 // this can be used to temporarily disable (and then reenable) passing 419 // messages to the old logger (by default we do pass them) PassMessages(bool bDoPass)420 void PassMessages(bool bDoPass) { m_bPassMessages = bDoPass; } 421 422 // are we passing the messages to the previous log target? IsPassingMessages()423 bool IsPassingMessages() const { return m_bPassMessages; } 424 425 // return the previous log target (may be NULL) GetOldLog()426 wxLog *GetOldLog() const { return m_logOld; } 427 428 // override base class version to flush the old logger as well 429 virtual void Flush(); 430 431 // call to avoid destroying the old log target 432 #if wxABI_VERSION >= 20805 /* 2.8.5+ only */ DetachOldLog()433 void DetachOldLog() { m_logOld = NULL; } 434 #endif 435 436 protected: 437 // pass the chain to the old logger if needed 438 virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t); 439 440 private: 441 // the current log target 442 wxLog *m_logNew; 443 444 // the previous log target 445 wxLog *m_logOld; 446 447 // do we pass the messages to the old logger? 448 bool m_bPassMessages; 449 450 DECLARE_NO_COPY_CLASS(wxLogChain) 451 }; 452 453 // a chain log target which uses itself as the new logger 454 class WXDLLIMPEXP_BASE wxLogPassThrough : public wxLogChain 455 { 456 public: 457 wxLogPassThrough(); 458 459 private: 460 DECLARE_NO_COPY_CLASS(wxLogPassThrough) 461 }; 462 463 #if wxUSE_GUI 464 // include GUI log targets: 465 #include "wx/generic/logg.h" 466 #endif // wxUSE_GUI 467 468 // ============================================================================ 469 // global functions 470 // ============================================================================ 471 472 // ---------------------------------------------------------------------------- 473 // Log functions should be used by application instead of stdio, iostream &c 474 // for log messages for easy redirection 475 // ---------------------------------------------------------------------------- 476 477 // ---------------------------------------------------------------------------- 478 // get error code/error message from system in a portable way 479 // ---------------------------------------------------------------------------- 480 481 // return the last system error code 482 WXDLLIMPEXP_BASE unsigned long wxSysErrorCode(); 483 484 // return the error message for given (or last if 0) error code 485 WXDLLIMPEXP_BASE const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0); 486 487 // ---------------------------------------------------------------------------- 488 // define wxLog<level> 489 // ---------------------------------------------------------------------------- 490 491 #define DECLARE_LOG_FUNCTION(level) \ 492 extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat, \ 493 va_list argptr); \ 494 extern void WXDLLIMPEXP_BASE wxLog##level(const wxChar *szFormat, \ 495 ...) ATTRIBUTE_PRINTF_1 496 #define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \ 497 extern void expdecl wxVLog##level(argclass arg, \ 498 const wxChar *szFormat, \ 499 va_list argptr); \ 500 extern void expdecl wxLog##level(argclass arg, \ 501 const wxChar *szFormat, \ 502 ...) ATTRIBUTE_PRINTF_2 503 #else // !wxUSE_LOG 504 505 // log functions do nothing at all 506 #define DECLARE_LOG_FUNCTION(level) \ 507 inline void wxVLog##level(const wxChar *WXUNUSED(szFormat), \ 508 va_list WXUNUSED(argptr)) { } \ 509 inline void wxLog##level(const wxChar *WXUNUSED(szFormat), \ 510 ...) { } 511 #define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl) \ 512 inline void wxVLog##level(argclass WXUNUSED(arg), \ 513 const wxChar *WXUNUSED(szFormat), \ 514 va_list WXUNUSED(argptr)) {} \ 515 inline void wxLog##level(argclass WXUNUSED(arg), \ 516 const wxChar *WXUNUSED(szFormat), \ 517 ...) { } 518 519 // Empty Class to fake wxLogNull 520 class WXDLLIMPEXP_BASE wxLogNull 521 { 522 public: wxLogNull()523 wxLogNull() { } 524 }; 525 526 // Dummy macros to replace some functions. 527 #define wxSysErrorCode() (unsigned long)0 528 #define wxSysErrorMsg( X ) (const wxChar*)NULL 529 530 // Fake symbolic trace masks... for those that are used frequently 531 #define wxTRACE_OleCalls wxEmptyString // OLE interface calls 532 533 #endif // wxUSE_LOG/!wxUSE_LOG 534 535 #define DECLARE_LOG_FUNCTION2(level, argclass, arg) \ 536 DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, WXDLLIMPEXP_BASE) 537 538 539 // a generic function for all levels (level is passes as parameter) 540 DECLARE_LOG_FUNCTION2(Generic, wxLogLevel, level); 541 542 // one function per each level 543 DECLARE_LOG_FUNCTION(FatalError); 544 DECLARE_LOG_FUNCTION(Error); 545 DECLARE_LOG_FUNCTION(Warning); 546 DECLARE_LOG_FUNCTION(Message); 547 DECLARE_LOG_FUNCTION(Info); 548 DECLARE_LOG_FUNCTION(Verbose); 549 550 // this function sends the log message to the status line of the top level 551 // application frame, if any 552 DECLARE_LOG_FUNCTION(Status); 553 554 #if wxUSE_GUI 555 // this one is the same as previous except that it allows to explicitly 556 class WXDLLIMPEXP_FWD_CORE wxFrame; 557 // specify the frame to which the output should go 558 DECLARE_LOG_FUNCTION2_EXP(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE); 559 #endif // wxUSE_GUI 560 561 // additional one: as wxLogError, but also logs last system call error code 562 // and the corresponding error message if available 563 DECLARE_LOG_FUNCTION(SysError); 564 565 // and another one which also takes the error code (for those broken APIs 566 // that don't set the errno (like registry APIs in Win32)) 567 DECLARE_LOG_FUNCTION2(SysError, long, lErrCode); 568 569 // debug functions do nothing in release mode 570 #if wxUSE_LOG && wxUSE_LOG_DEBUG 571 DECLARE_LOG_FUNCTION(Debug); 572 573 // there is no more unconditional LogTrace: it is not different from 574 // LogDebug and it creates overload ambiguities 575 //DECLARE_LOG_FUNCTION(Trace); 576 577 // this version only logs the message if the mask had been added to the 578 // list of masks with AddTraceMask() 579 DECLARE_LOG_FUNCTION2(Trace, const wxChar *, mask); 580 581 // and this one does nothing if all of level bits are not set in 582 // wxLog::GetActive()->GetTraceMask() -- it's deprecated in favour of 583 // string identifiers 584 DECLARE_LOG_FUNCTION2(Trace, wxTraceMask, mask); 585 #else //!debug || !wxUSE_LOG 586 // these functions do nothing in release builds, but don't define them as 587 // nothing as it could result in different code structure in debug and 588 // release and this could result in trouble when these macros are used 589 // inside if/else 590 // 591 // note that making wxVLogDebug/Trace() themselves (empty inline) functions 592 // is a bad idea as some compilers are stupid enough to not inline even 593 // empty functions if their parameters are complicated enough, but by 594 // defining them as an empty inline function we ensure that even dumbest 595 // compilers optimise them away wxLogNop()596 inline void wxLogNop() { } 597 598 #define wxVLogDebug(fmt, valist) wxLogNop() 599 #define wxVLogTrace(mask, fmt, valist) wxLogNop() 600 601 #ifdef HAVE_VARIADIC_MACROS 602 // unlike the inline functions below, this completely removes the 603 // wxLogXXX calls from the object file: 604 #define wxLogDebug(fmt, ...) wxLogNop() 605 #define wxLogTrace(mask, fmt, ...) wxLogNop() 606 #else // !HAVE_VARIADIC_MACROS 607 // note that leaving out "fmt" in the vararg functions provokes a warning 608 // from SGI CC: "the last argument of the varargs function is unnamed" wxLogDebug(const wxChar * fmt,...)609 inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); } wxLogTrace(wxTraceMask,const wxChar * fmt,...)610 inline void wxLogTrace(wxTraceMask, const wxChar *fmt, ...) { wxUnusedVar(fmt); } wxLogTrace(const wxChar *,const wxChar * fmt,...)611 inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); } 612 #endif // HAVE_VARIADIC_MACROS/!HAVE_VARIADIC_MACROS 613 #endif // debug/!debug 614 615 // wxLogFatalError helper: show the (fatal) error to the user in a safe way, 616 // i.e. without using wxMessageBox() for example because it could crash 617 void WXDLLIMPEXP_BASE 618 wxSafeShowMessage(const wxString& title, const wxString& text); 619 620 // ---------------------------------------------------------------------------- 621 // debug only logging functions: use them with API name and error code 622 // ---------------------------------------------------------------------------- 623 624 #ifdef __WXDEBUG__ 625 // make life easier for people using VC++ IDE: clicking on the message 626 // will take us immediately to the place of the failed API 627 #ifdef __VISUALC__ 628 #define wxLogApiError(api, rc) \ 629 wxLogDebug(wxT("%s(%d): '%s' failed with error 0x%08lx (%s)."), \ 630 __TFILE__, __LINE__, api, \ 631 (long)rc, wxSysErrorMsg(rc)) 632 #else // !VC++ 633 #define wxLogApiError(api, rc) \ 634 wxLogDebug(wxT("In file %s at line %d: '%s' failed with ") \ 635 wxT("error 0x%08lx (%s)."), \ 636 __TFILE__, __LINE__, api, \ 637 (long)rc, wxSysErrorMsg(rc)) 638 #endif // VC++/!VC++ 639 640 #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode()) 641 642 #else //!debug 643 #define wxLogApiError(api, err) wxLogNop() 644 #define wxLogLastError(api) wxLogNop() 645 #endif //debug/!debug 646 647 // wxCocoa has additiional trace masks 648 #if defined(__WXCOCOA__) 649 #include "wx/cocoa/log.h" 650 #endif 651 652 #endif // _WX_LOG_H_ 653 654