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