disable dialup manager for MGL, it doesn't link as there is no DOS implementation...

[wxWidgets.git] / include / wx / log.h

diff --git a/include/wx/log.h b/include/wx/log.h
index 74d1684ef95d45e20897f1a709577dec8d3c0911..164bdfca90c5b9da37afe674ff0159adda24f6ba 100644 (file)
--- a/include/wx/log.h
+++ b/include/wx/log.h
@@ -12,31 +12,31 @@
 #ifndef _WX_LOG_H_
 #define _WX_LOG_H_
 
 #ifndef _WX_LOG_H_
 #define _WX_LOG_H_
 

-#if defined(__GNUG__) && !defined(__APPLE__)
-    #pragma interface "log.h"
-#endif
-

 #include "wx/defs.h"
 
 #include "wx/defs.h"
 

-#if wxUSE_LOG
-
-#include "wx/string.h"
-#include "wx/arrstr.h"
-

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-// forward declarations
+// common constants for use in wxUSE_LOG/!wxUSE_LOG

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-#if wxUSE_GUI
-    class WXDLLIMPEXP_CORE wxTextCtrl;
-    class WXDLLIMPEXP_CORE wxLogFrame;
-    class WXDLLIMPEXP_CORE wxFrame;
-#endif // wxUSE_GUI
+// the trace masks have been superceded by symbolic trace constants, they're
+// for compatibility only andwill be removed soon - do NOT use them
+
+// meaning of different bits of the trace mask (which allows selectively
+// enable/disable some trace messages)
+#define wxTraceMemAlloc 0x0001  // trace memory allocation (new/delete)
+#define wxTraceMessages 0x0002  // trace window messages/X callbacks
+#define wxTraceResAlloc 0x0004  // trace GDI resource allocation
+#define wxTraceRefCount 0x0008  // trace various ref counting operations
+
+#ifdef  __WXMSW__
+    #define wxTraceOleCalls 0x0100  // OLE interface calls
+#endif

 
 // ----------------------------------------------------------------------------
 // types
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // types
 // ----------------------------------------------------------------------------
 

+// NB: these types are needed even if wxUSE_LOG == 0

 typedef unsigned long wxTraceMask;
 typedef unsigned long wxLogLevel;
 
 typedef unsigned long wxTraceMask;
 typedef unsigned long wxLogLevel;
 


@@ -44,8 +44,14 @@ typedef unsigned long wxLogLevel;
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

+#include "wx/string.h"
+
+#if wxUSE_LOG
+
+#include "wx/arrstr.h"
+

 #ifndef __WXWINCE__
 #ifndef __WXWINCE__

-#include <time.h>   // for time_t
+    #include <time.h>   // for time_t

 #endif
 
 #include "wx/dynarray.h"
 #endif
 
 #include "wx/dynarray.h"


@@ -58,6 +64,17 @@ typedef unsigned long wxLogLevel;
 #  endif
 #endif
 
 #  endif
 #endif
 

+// ----------------------------------------------------------------------------
+// forward declarations
+// ----------------------------------------------------------------------------
+
+#if wxUSE_GUI
+    class WXDLLIMPEXP_CORE wxTextCtrl;
+    class WXDLLIMPEXP_CORE wxLogFrame;
+    class WXDLLIMPEXP_CORE wxFrame;
+    class WXDLLIMPEXP_CORE wxWindow;
+#endif // wxUSE_GUI
+

 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------


@@ -91,20 +108,6 @@ enum
     #define wxTRACE_OleCalls wxT("ole")  // OLE interface calls
 #endif
 
     #define wxTRACE_OleCalls wxT("ole")  // OLE interface calls
 #endif
 

-// the trace masks have been superceded by symbolic trace constants, they're
-// for compatibility only andwill be removed soon - do NOT use them
-
-// meaning of different bits of the trace mask (which allows selectively
-// enable/disable some trace messages)
-#define wxTraceMemAlloc 0x0001  // trace memory allocation (new/delete)
-#define wxTraceMessages 0x0002  // trace window messages/X callbacks
-#define wxTraceResAlloc 0x0004  // trace GDI resource allocation
-#define wxTraceRefCount 0x0008  // trace various ref counting operations
-
-#ifdef  __WXMSW__
-    #define wxTraceOleCalls 0x0100  // OLE interface calls
-#endif
-

 #include "wx/iosfwrap.h"
 
 // ----------------------------------------------------------------------------
 #include "wx/iosfwrap.h"
 
 // ----------------------------------------------------------------------------


@@ -116,39 +119,29 @@ class WXDLLIMPEXP_BASE wxLog
 {
 public:
     // ctor
 {
 public:
     // ctor

-    wxLog();
-
-    // Internal buffer.
-        // Allow replacement of the fixed size static buffer with
-        // a user allocated one.  Pass in NULL to restore the
-        // built in static buffer.
-    static wxChar *SetLogBuffer( wxChar *buf, size_t size = 0 );
+    wxLog(){}

 
     // these functions allow to completely disable all log messages
 
     // these functions allow to completely disable all log messages

-        // is logging disabled now?
+
+    // is logging disabled now?

     static bool IsEnabled() { return ms_doLog; }
     static bool IsEnabled() { return ms_doLog; }

-        // change the flag state, return the previous one
-    static bool EnableLogging(bool doIt = TRUE)
+
+    // change the flag state, return the previous one
+    static bool EnableLogging(bool doIt = true)

         { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; }
 
     // static sink function - see DoLog() for function to overload in the
     // derived classes
         { bool doLogOld = ms_doLog; ms_doLog = doIt; return doLogOld; }
 
     // static sink function - see DoLog() for function to overload in the
     // derived classes

-    static void OnLog(wxLogLevel level, const wxChar *szString, time_t t)
-    {
-        if ( IsEnabled() && ms_logLevel >= level ) {
-            wxLog *pLogger = GetActiveTarget();
-            if ( pLogger )
-                pLogger->DoLog(level, szString, t);
-        }
-    }
+    static void OnLog(wxLogLevel level, const wxChar *szString, time_t t);

 
     // message buffering
 
     // message buffering

-        // flush shows all messages if they're not logged immediately (FILE
-        // and iostream logs don't need it, but wxGuiLog does to avoid showing
-        // 17 modal dialogs one after another)
+
+    // flush shows all messages if they're not logged immediately (FILE
+    // and iostream logs don't need it, but wxGuiLog does to avoid showing
+    // 17 modal dialogs one after another)

     virtual void Flush();
 
     virtual void Flush();
 

-        // flush the active target if any
+    // flush the active target if any

     static void FlushActive()
     {
         if ( !ms_suspendCount )
     static void FlushActive()
     {
         if ( !ms_suspendCount )


@@ -160,92 +153,131 @@ public:
     }
 
     // only one sink is active at each moment
     }
 
     // only one sink is active at each moment

-        // get current log target, will call wxApp::CreateLogTarget() to
-        // create one if none exists
+    // get current log target, will call wxApp::CreateLogTarget() to
+    // create one if none exists

     static wxLog *GetActiveTarget();
     static wxLog *GetActiveTarget();

-        // change log target, pLogger may be NULL
+
+    // change log target, pLogger may be NULL

     static wxLog *SetActiveTarget(wxLog *pLogger);
 
     static wxLog *SetActiveTarget(wxLog *pLogger);
 

-        // suspend the message flushing of the main target until the next call
-        // to Resume() - this is mainly for internal use (to prevent wxYield()
-        // from flashing the messages)
+    // suspend the message flushing of the main target until the next call
+    // to Resume() - this is mainly for internal use (to prevent wxYield()
+    // from flashing the messages)

     static void Suspend() { ms_suspendCount++; }
     static void Suspend() { ms_suspendCount++; }

-        // must be called for each Suspend()!
+
+    // must be called for each Suspend()!

     static void Resume() { ms_suspendCount--; }
 
     // functions controlling the default wxLog behaviour
     static void Resume() { ms_suspendCount--; }
 
     // functions controlling the default wxLog behaviour

-        // verbose mode is activated by standard command-line '-verbose'
-        // option
-    static void SetVerbose(bool bVerbose = TRUE) { ms_bVerbose = bVerbose; }
+    // verbose mode is activated by standard command-line '-verbose'
+    // option
+    static void SetVerbose(bool bVerbose = true) { ms_bVerbose = bVerbose; }

 
 

-        // Set log level.  Log messages with level > logLevel will not be logged.
+    // Set log level.  Log messages with level > logLevel will not be logged.

     static void SetLogLevel(wxLogLevel logLevel) { ms_logLevel = logLevel; }
 
     static void SetLogLevel(wxLogLevel logLevel) { ms_logLevel = logLevel; }
 

-        // should GetActiveTarget() try to create a new log object if the
-        // current is NULL?
+    // should GetActiveTarget() try to create a new log object if the
+    // current is NULL?

     static void DontCreateOnDemand();
 
     static void DontCreateOnDemand();
 

-        // trace mask (see wxTraceXXX constants for details)
+    // log the count of repeating messages instead of logging the messages
+    // multiple times
+    static void SetRepetitionCounting(bool bRepetCounting = true)
+        { ms_bRepetCounting = bRepetCounting; }
+
+    // gets duplicate counting status
+    static bool GetRepetitionCounting() { return ms_bRepetCounting; }
+
+    // trace mask (see wxTraceXXX constants for details)

     static void SetTraceMask(wxTraceMask ulMask) { ms_ulTraceMask = ulMask; }
     static void SetTraceMask(wxTraceMask ulMask) { ms_ulTraceMask = ulMask; }

-        // add string trace mask
+
+    // add string trace mask

     static void AddTraceMask(const wxString& str)
         { ms_aTraceMasks.push_back(str); }
     static void AddTraceMask(const wxString& str)
         { ms_aTraceMasks.push_back(str); }

-        // add string trace mask
+
+    // add string trace mask

     static void RemoveTraceMask(const wxString& str);
     static void RemoveTraceMask(const wxString& str);

-        // remove all string trace masks
+
+    // remove all string trace masks

     static void ClearTraceMasks();
     static void ClearTraceMasks();

-       // get string trace masks
+
+    // get string trace masks

     static const wxArrayString &GetTraceMasks() { return ms_aTraceMasks; }
 
     static const wxArrayString &GetTraceMasks() { return ms_aTraceMasks; }
 

-        // sets the timestamp string: this is used as strftime() format string
-        // for the log targets which add time stamps to the messages - set it
-        // to NULL to disable time stamping completely.
+    // sets the timestamp string: this is used as strftime() format string
+    // for the log targets which add time stamps to the messages - set it
+    // to NULL to disable time stamping completely.

     static void SetTimestamp(const wxChar *ts) { ms_timestamp = ts; }
 
 
     // accessors
     static void SetTimestamp(const wxChar *ts) { ms_timestamp = ts; }
 
 
     // accessors

-        // gets the verbose status
+
+    // gets the verbose status

     static bool GetVerbose() { return ms_bVerbose; }
     static bool GetVerbose() { return ms_bVerbose; }

-        // get trace mask
+
+    // get trace mask

     static wxTraceMask GetTraceMask() { return ms_ulTraceMask; }
     static wxTraceMask GetTraceMask() { return ms_ulTraceMask; }

-        // is this trace mask in the list?
+
+    // is this trace mask in the list?

     static bool IsAllowedTraceMask(const wxChar *mask);
     static bool IsAllowedTraceMask(const wxChar *mask);

-        // return the current loglevel limit
+
+    // return the current loglevel limit

     static wxLogLevel GetLogLevel() { return ms_logLevel; }
 
     static wxLogLevel GetLogLevel() { return ms_logLevel; }
 

-        // get the current timestamp format string (may be NULL)
+    // get the current timestamp format string (may be NULL)

     static const wxChar *GetTimestamp() { return ms_timestamp; }
 
 
     // helpers
     static const wxChar *GetTimestamp() { return ms_timestamp; }
 
 
     // helpers

-        // put the time stamp into the string if ms_timestamp != NULL (don't
-        // change it otherwise)
+
+    // put the time stamp into the string if ms_timestamp != NULL (don't
+    // change it otherwise)

     static void TimeStamp(wxString *str);
 
     // make dtor virtual for all derived classes
     static void TimeStamp(wxString *str);
 
     // make dtor virtual for all derived classes

-    virtual ~wxLog() { }
+    virtual ~wxLog();

 
 
     // this method exists for backwards compatibility only, don't use
 
 
     // this method exists for backwards compatibility only, don't use

-    bool HasPendingMessages() const { return TRUE; }
+    bool HasPendingMessages() const { return true; }
+
+#if WXWIN_COMPATIBILITY_2_6
+    // this function doesn't do anything any more, don't call it
+    wxDEPRECATED( static wxChar *SetLogBuffer(wxChar *buf, size_t size = 0) );
+#endif

 
 protected:
     // the logging functions that can be overriden
 
 protected:
     // the logging functions that can be overriden

-        // default DoLog() prepends the time stamp and a prefix corresponding
-        // to the message to szString and then passes it to DoLogString()
+
+    // default DoLog() prepends the time stamp and a prefix corresponding
+    // to the message to szString and then passes it to DoLogString()

     virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t);
     virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t);

-        // default DoLogString does nothing but is not pure virtual because if
-        // you override DoLog() you might not need it at all
+
+    // default DoLogString does nothing but is not pure virtual because if
+    // you override DoLog() you might not need it at all

     virtual void DoLogString(const wxChar *szString, time_t t);
 
     virtual void DoLogString(const wxChar *szString, time_t t);
 

+    // log a line containing the number of times the previous message was
+    // repeated
+    // returns: the number
+    static unsigned DoLogNumberOfRepeats();
+

 private:
     // static variables
     // ----------------
 
 private:
     // static variables
     // ----------------
 

+    // traditional behaviour or counting repetitions
+    static bool        ms_bRepetCounting;
+    static wxString    ms_prevString;   // previous message that was logged
+    // how many times the previous message was logged
+    static unsigned    ms_prevCounter;
+    static time_t      ms_prevTimeStamp;// timestamp of the previous message
+    static wxLogLevel  ms_prevLevel;    // level of the previous message
+

     static wxLog      *ms_pLogger;      // currently active log sink
     static wxLog      *ms_pLogger;      // currently active log sink

-    static bool        ms_doLog;        // FALSE => all logging disabled
+    static bool        ms_doLog;        // false => all logging disabled

     static bool        ms_bAutoCreate;  // create new log targets on demand?
     static bool        ms_bAutoCreate;  // create new log targets on demand?

-    static bool        ms_bVerbose;     // FALSE => ignore LogInfo messages
+    static bool        ms_bVerbose;     // false => ignore LogInfo messages

 
     static wxLogLevel  ms_logLevel;     // limit logging to levels <= ms_logLevel
 
 
     static wxLogLevel  ms_logLevel;     // limit logging to levels <= ms_logLevel
 


@@ -263,11 +295,33 @@ private:
 // "trivial" derivations of wxLog
 // ----------------------------------------------------------------------------
 
 // "trivial" derivations of wxLog
 // ----------------------------------------------------------------------------
 

+// log everything to a buffer
+class WXDLLIMPEXP_BASE wxLogBuffer : public wxLog
+{
+public:
+    wxLogBuffer() { }
+
+    // get the string contents with all messages logged
+    const wxString& GetBuffer() const { return m_str; }
+
+    // show the buffer contents to the user in the best possible way (this uses
+    // wxMessageOutputMessageBox) and clear it
+    virtual void Flush();
+
+protected:
+    virtual void DoLog(wxLogLevel level, const wxChar *szString, time_t t);
+    virtual void DoLogString(const wxChar *szString, time_t t);
+
+private:
+    wxString m_str;
+
+    DECLARE_NO_COPY_CLASS(wxLogBuffer)
+};
+
+

 // log everything to a "FILE *", stderr by default
 class WXDLLIMPEXP_BASE wxLogStderr : public wxLog
 {
 // log everything to a "FILE *", stderr by default
 class WXDLLIMPEXP_BASE wxLogStderr : public wxLog
 {

-    DECLARE_NO_COPY_CLASS(wxLogStderr)
-

 public:
     // redirect log output to a FILE
     wxLogStderr(FILE *fp = (FILE *) NULL);
 public:
     // redirect log output to a FILE
     wxLogStderr(FILE *fp = (FILE *) NULL);


@@ -277,6 +331,8 @@ protected:
     virtual void DoLogString(const wxChar *szString, time_t t);
 
     FILE *m_fp;
     virtual void DoLogString(const wxChar *szString, time_t t);
 
     FILE *m_fp;

+
+    DECLARE_NO_COPY_CLASS(wxLogStderr)

 };
 
 #if wxUSE_STD_IOSTREAM
 };
 
 #if wxUSE_STD_IOSTREAM


@@ -321,7 +377,7 @@ protected:
 class WXDLLIMPEXP_BASE wxLogNull
 {
 public:
 class WXDLLIMPEXP_BASE wxLogNull
 {
 public:

-    wxLogNull() : m_flagOld(wxLog::EnableLogging(FALSE)) { }
+    wxLogNull() : m_flagOld(wxLog::EnableLogging(false)) { }

     ~wxLogNull() { (void)wxLog::EnableLogging(m_flagOld); }
 
 private:
     ~wxLogNull() { (void)wxLog::EnableLogging(m_flagOld); }
 
 private:


@@ -381,6 +437,9 @@ class WXDLLIMPEXP_BASE wxLogPassThrough : public wxLogChain
 {
 public:
     wxLogPassThrough();
 {
 public:
     wxLogPassThrough();

+
+private:
+    DECLARE_NO_COPY_CLASS(wxLogPassThrough)

 };
 
 #if wxUSE_GUI
 };
 
 #if wxUSE_GUI


@@ -413,28 +472,31 @@ WXDLLIMPEXP_BASE const wxChar* wxSysErrorMsg(unsigned long nErrCode = 0);
 
 #define DECLARE_LOG_FUNCTION(level)                                         \
 extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat,          \
 
 #define DECLARE_LOG_FUNCTION(level)                                         \
 extern void WXDLLIMPEXP_BASE wxVLog##level(const wxChar *szFormat,          \

-                                      va_list argptr);                      \
+                                           va_list argptr);                 \

 extern void WXDLLIMPEXP_BASE wxLog##level(const wxChar *szFormat,           \
 extern void WXDLLIMPEXP_BASE wxLog##level(const wxChar *szFormat,           \

-                                     ...) ATTRIBUTE_PRINTF_1
-#define DECLARE_LOG_FUNCTION2_EXP(level, arg, expdecl)                      \
-extern void expdecl wxVLog##level(arg, const wxChar *szFormat,              \
-                                      va_list argptr);                      \
-extern void expdecl wxLog##level(arg, const wxChar *szFormat,               \
-                                     ...) ATTRIBUTE_PRINTF_2
-#define DECLARE_LOG_FUNCTION2(level, arg)                                   \
-    DECLARE_LOG_FUNCTION2_EXP(level, arg, WXDLLIMPEXP_BASE)
-
+                                          ...) ATTRIBUTE_PRINTF_1
+#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl)            \
+extern void expdecl wxVLog##level(argclass arg,                             \
+                                  const wxChar *szFormat,                   \
+                                  va_list argptr);                          \
+extern void expdecl wxLog##level(argclass arg,                              \
+                                 const wxChar *szFormat,                    \
+                                 ...) ATTRIBUTE_PRINTF_2

 #else // !wxUSE_LOG
 
 // log functions do nothing at all
 #define DECLARE_LOG_FUNCTION(level)                                         \
 #else // !wxUSE_LOG
 
 // log functions do nothing at all
 #define DECLARE_LOG_FUNCTION(level)                                         \

-inline void wxVLog##level(const wxChar *szFormat,                           \
-                                     va_list argptr) { }                    \
-inline void wxLog##level(const wxChar *szFormat, ...) { }
-#define DECLARE_LOG_FUNCTION2(level, arg)                                   \
-inline void wxVLog##level(arg, const wxChar *szFormat,                      \
-                                     va_list argptr) {}                     \
-inline void wxLog##level(arg, const wxChar *szFormat, ...) { }
+inline void wxVLog##level(const wxChar *WXUNUSED(szFormat),                 \
+                          va_list WXUNUSED(argptr)) { }                     \
+inline void wxLog##level(const wxChar *WXUNUSED(szFormat),                  \
+                         ...) { }
+#define DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, expdecl)            \
+inline void wxVLog##level(argclass WXUNUSED(arg),                           \
+                          const wxChar *WXUNUSED(szFormat),                 \
+                          va_list WXUNUSED(argptr)) {}                      \
+inline void wxLog##level(argclass WXUNUSED(arg),                            \
+                         const wxChar *WXUNUSED(szFormat),                  \
+                         ...) { }

 
 // Empty Class to fake wxLogNull
 class WXDLLIMPEXP_BASE wxLogNull
 
 // Empty Class to fake wxLogNull
 class WXDLLIMPEXP_BASE wxLogNull


@@ -452,8 +514,12 @@ public:
 
 #endif // wxUSE_LOG/!wxUSE_LOG
 
 
 #endif // wxUSE_LOG/!wxUSE_LOG
 

+#define DECLARE_LOG_FUNCTION2(level, argclass, arg)                         \
+    DECLARE_LOG_FUNCTION2_EXP(level, argclass, arg, WXDLLIMPEXP_BASE)
+
+

 // a generic function for all levels (level is passes as parameter)
 // a generic function for all levels (level is passes as parameter)

-DECLARE_LOG_FUNCTION2(Generic, wxLogLevel level);
+DECLARE_LOG_FUNCTION2(Generic, wxLogLevel, level);

 
 // one function per each level
 DECLARE_LOG_FUNCTION(FatalError);
 
 // one function per each level
 DECLARE_LOG_FUNCTION(FatalError);


@@ -469,8 +535,9 @@ DECLARE_LOG_FUNCTION(Status);
 
 #if wxUSE_GUI
     // this one is the same as previous except that it allows to explicitly
 
 #if wxUSE_GUI
     // this one is the same as previous except that it allows to explicitly

+    class WXDLLEXPORT wxFrame;

     // specify the frame to which the output should go
     // specify the frame to which the output should go

-    DECLARE_LOG_FUNCTION2_EXP(Status, wxFrame *pFrame, WXDLLIMPEXP_CORE);
+    DECLARE_LOG_FUNCTION2_EXP(Status, wxFrame *, pFrame, WXDLLIMPEXP_CORE);

 #endif // wxUSE_GUI
 
 // additional one: as wxLogError, but also logs last system call error code
 #endif // wxUSE_GUI
 
 // additional one: as wxLogError, but also logs last system call error code


@@ -479,33 +546,52 @@ DECLARE_LOG_FUNCTION(SysError);
 
 // and another one which also takes the error code (for those broken APIs
 // that don't set the errno (like registry APIs in Win32))
 
 // and another one which also takes the error code (for those broken APIs
 // that don't set the errno (like registry APIs in Win32))

-DECLARE_LOG_FUNCTION2(SysError, long lErrCode);
+DECLARE_LOG_FUNCTION2(SysError, long, lErrCode);

 
 // debug functions do nothing in release mode
 
 // debug functions do nothing in release mode

-#if wxUSE_LOG_DEBUG
+#if wxUSE_LOG && wxUSE_LOG_DEBUG

     DECLARE_LOG_FUNCTION(Debug);
 
     DECLARE_LOG_FUNCTION(Debug);
 

-    // first kind of LogTrace is unconditional: it doesn't check the level,
-    DECLARE_LOG_FUNCTION(Trace);
+    // there is no more unconditional LogTrace: it is not different from
+    // LogDebug and it creates overload ambiguities
+    //DECLARE_LOG_FUNCTION(Trace);

 
 

-    // this second version will only log the message if the mask had been
-    // added to the list of masks with AddTraceMask()
-    DECLARE_LOG_FUNCTION2(Trace, const wxChar *mask);
+    // this version only logs the message if the mask had been added to the
+    // list of masks with AddTraceMask()
+    DECLARE_LOG_FUNCTION2(Trace, const wxChar *, mask);

 
 

-    // the last one does nothing if all of level bits are not set
-    // in wxLog::GetActive()->GetTraceMask() - it's deprecated in favour of
+    // and this one does nothing if all of level bits are not set in
+    // wxLog::GetActive()->GetTraceMask() -- it's deprecated in favour of

     // string identifiers
     // string identifiers

-    DECLARE_LOG_FUNCTION2(Trace, wxTraceMask mask);
-#else   //!debug
-    // these functions do nothing in release builds
-    inline void wxVLogDebug(const wxChar *, va_list) { }
-    inline void wxLogDebug(const wxChar *, ...) { }
-    inline void wxVLogTrace(const wxChar *, va_list) { }
-    inline void wxLogTrace(const wxChar *, ...) { }
-    inline void wxVLogTrace(wxTraceMask, const wxChar *, va_list) { }
-    inline void wxLogTrace(wxTraceMask, const wxChar *, ...) { }
-    inline void wxVLogTrace(const wxChar *, const wxChar *, va_list) { }
-    inline void wxLogTrace(const wxChar *, const wxChar *, ...) { }
+    DECLARE_LOG_FUNCTION2(Trace, wxTraceMask, mask);
+#else   //!debug || !wxUSE_LOG
+    // these functions do nothing in release builds, but don't define them as
+    // nothing as it could result in different code structure in debug and
+    // release and this could result in trouble when these macros are used
+    // inside if/else
+    //
+    // note that making wxVLogDebug/Trace() themselves (empty inline) functions
+    // is a bad idea as some compilers are stupid enough to not inline even
+    // empty functions if their parameters are complicated enough, but by
+    // defining them as an empty inline function we ensure that even dumbest
+    // compilers optimise them away
+    inline void wxLogNop() { }
+
+    #define wxVLogDebug(fmt, valist) wxLogNop()
+    #define wxVLogTrace(mask, fmt, valist) wxLogNop()
+
+    #ifdef HAVE_VARIADIC_MACROS
+        // unlike the inline functions below, this completely removes the
+        // wxLogXXX calls from the object file:
+        #define wxLogDebug(fmt, ...) wxLogNop()
+        #define wxLogTrace(mask, fmt, ...) wxLogNop()
+    #else // !HAVE_VARIADIC_MACROS
+        // note that leaving out "fmt" in the vararg functions provokes a warning
+        // from SGI CC: "the last argument of the varargs function is unnamed"
+        inline void wxLogDebug(const wxChar *fmt, ...) { wxUnusedVar(fmt); }
+        inline void wxLogTrace(wxTraceMask, const wxChar *fmt, ...) { wxUnusedVar(fmt); }
+        inline void wxLogTrace(const wxChar *, const wxChar *fmt, ...) { wxUnusedVar(fmt); }
+    #endif // HAVE_VARIADIC_MACROS/!HAVE_VARIADIC_MACROS

 #endif // debug/!debug
 
 // wxLogFatalError helper: show the (fatal) error to the user in a safe way,
 #endif // debug/!debug
 
 // wxLogFatalError helper: show the (fatal) error to the user in a safe way,


@@ -527,8 +613,8 @@ wxSafeShowMessage(const wxString& title, const wxString& text);
                    (long)rc, wxSysErrorMsg(rc))
 #else // !VC++
     #define wxLogApiError(api, rc)                                            \
                    (long)rc, wxSysErrorMsg(rc))
 #else // !VC++
     #define wxLogApiError(api, rc)                                            \

-        wxLogDebug(wxT("In file %s at line %d: '%s' failed with "             \
-                       "error 0x%08lx (%s)."),                                \
+        wxLogDebug(wxT("In file %s at line %d: '%s' failed with ")            \
+                   wxT("error 0x%08lx (%s)."),                                \

                    __TFILE__, __LINE__, api,                                  \
                    (long)rc, wxSysErrorMsg(rc))
 #endif // VC++/!VC++
                    __TFILE__, __LINE__, api,                                  \
                    (long)rc, wxSysErrorMsg(rc))
 #endif // VC++/!VC++


@@ -536,9 +622,14 @@ wxSafeShowMessage(const wxString& title, const wxString& text);
     #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode())
 
 #else   //!debug
     #define wxLogLastError(api) wxLogApiError(api, wxSysErrorCode())
 
 #else   //!debug

-    inline void wxLogApiError(const wxChar *, long) { }
-    inline void wxLogLastError(const wxChar *) { }
+    #define wxLogApiError(api, err) wxLogNop()
+    #define wxLogLastError(api) wxLogNop()

 #endif  //debug/!debug
 
 #endif  //debug/!debug
 

+// wxCocoa has additiional trace masks
+#if defined(__WXCOCOA__)
+#include "wx/cocoa/log.h"
+#endif
+

 #endif  // _WX_LOG_H_
 
 #endif  // _WX_LOG_H_