// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "log.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
-// wxWindows
+#if wxUSE_LOG
+
+// wxWidgets
#ifndef WX_PRECOMP
- #include "wx/string.h"
- #include "wx/intl.h"
#include "wx/app.h"
-
- #if wxUSE_GUI
- #include "wx/window.h"
- #ifdef __WXMSW__
- #include "wx/msw/private.h"
- #endif
- #endif
+ #include "wx/arrstr.h"
+ #include "wx/intl.h"
+ #include "wx/string.h"
#endif //WX_PRECOMP
-#include "wx/file.h"
-#include "wx/textfile.h"
-#include "wx/utils.h"
-#include "wx/wxchar.h"
-#include "wx/log.h"
-#include "wx/thread.h"
-
-#if wxUSE_LOG
+#include "wx/apptrait.h"
+#include "wx/file.h"
+#include "wx/log.h"
+#include "wx/msgout.h"
+#include "wx/textfile.h"
+#include "wx/thread.h"
+#include "wx/utils.h"
+#include "wx/wxchar.h"
// other standard headers
-#include <errno.h>
-#include <stdlib.h>
-#include <time.h>
+#ifndef __WXWINCE__
+#include <errno.h>
+#endif
+
+#include <stdlib.h>
+
+#ifndef __WXWINCE__
+#include <time.h>
+#else
+#include "wx/msw/wince/time.h"
+#endif
-#if defined(__WXMSW__)
- #include "wx/msw/private.h" // includes windows.h for OutputDebugString
+#if defined(__WINDOWS__)
+ #include "wx/msw/private.h" // includes windows.h
#endif
// ----------------------------------------------------------------------------
#define LOG_BUFFER_SIZE (4096)
// static buffer for error messages
-static wxChar s_szBuf[LOG_BUFFER_SIZE];
+static wxChar s_szBufStatic[LOG_BUFFER_SIZE];
+
+static wxChar *s_szBuf = s_szBufStatic;
+static size_t s_szBufSize = WXSIZEOF( s_szBufStatic );
#if wxUSE_THREADS
// macros and not all compilers inline vararg functions.
// ----------------------------------------------------------------------------
+// wrapper for wxVsnprintf(s_szBuf) which always NULL-terminates it
+static inline void PrintfInLogBug(const wxChar *szFormat, va_list argptr)
+{
+ if ( wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr) < 0 )
+ {
+ // must NUL-terminate it manually
+ s_szBuf[s_szBufSize - 1] = _T('\0');
+ }
+ //else: NUL-terminated by vsnprintf()
+}
+
// generic log function
-void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
+void wxVLogGeneric(wxLogLevel level, const wxChar *szFormat, va_list argptr)
{
if ( IsLoggingEnabled() ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
- va_list argptr;
- va_start(argptr, szFormat);
- wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
- va_end(argptr);
+ PrintfInLogBug(szFormat, argptr);
wxLog::OnLog(level, s_szBuf, time(NULL));
}
}
+void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...)
+{
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogGeneric(level, szFormat, argptr);
+ va_end(argptr);
+}
+
#define IMPLEMENT_LOG_FUNCTION(level) \
- void wxLog##level(const wxChar *szFormat, ...) \
+ void wxVLog##level(const wxChar *szFormat, va_list argptr) \
{ \
if ( IsLoggingEnabled() ) { \
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
\
- va_list argptr; \
- va_start(argptr, szFormat); \
- wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); \
- va_end(argptr); \
+ PrintfInLogBug(szFormat, argptr); \
\
wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
} \
+ } \
+ \
+ void wxLog##level(const wxChar *szFormat, ...) \
+ { \
+ va_list argptr; \
+ va_start(argptr, szFormat); \
+ wxVLog##level(szFormat, argptr); \
+ va_end(argptr); \
}
-IMPLEMENT_LOG_FUNCTION(FatalError)
IMPLEMENT_LOG_FUNCTION(Error)
IMPLEMENT_LOG_FUNCTION(Warning)
IMPLEMENT_LOG_FUNCTION(Message)
IMPLEMENT_LOG_FUNCTION(Info)
IMPLEMENT_LOG_FUNCTION(Status)
+void wxSafeShowMessage(const wxString& title, const wxString& text)
+{
+#ifdef __WINDOWS__
+ ::MessageBox(NULL, text, title, MB_OK | MB_ICONSTOP);
+#else
+ wxFprintf(stderr, _T("%s: %s\n"), title.c_str(), text.c_str());
+#endif
+}
+
+// fatal errors can't be suppressed nor handled by the custom log target and
+// always terminate the program
+void wxVLogFatalError(const wxChar *szFormat, va_list argptr)
+{
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
+
+ wxSafeShowMessage(_T("Fatal Error"), s_szBuf);
+
+#ifdef __WXWINCE__
+ ExitThread(3);
+#else
+ abort();
+#endif
+}
+
+void wxLogFatalError(const wxChar *szFormat, ...)
+{
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogFatalError(szFormat, argptr);
+
+ // some compilers warn about unreachable code and it shouldn't matter
+ // for the others anyhow...
+ //va_end(argptr);
+}
+
// same as info, but only if 'verbose' mode is on
-void wxLogVerbose(const wxChar *szFormat, ...)
+void wxVLogVerbose(const wxChar *szFormat, va_list argptr)
{
if ( IsLoggingEnabled() ) {
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->GetVerbose() ) {
+ if ( wxLog::GetActiveTarget() != NULL && wxLog::GetVerbose() ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
- va_list argptr;
- va_start(argptr, szFormat);
- wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
- va_end(argptr);
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL));
}
}
}
+void wxLogVerbose(const wxChar *szFormat, ...)
+{
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogVerbose(szFormat, argptr);
+ va_end(argptr);
+}
+
// debug functions
#ifdef __WXDEBUG__
#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \
- void wxLog##level(const wxChar *szFormat, ...) \
+ void wxVLog##level(const wxChar *szFormat, va_list argptr) \
{ \
if ( IsLoggingEnabled() ) { \
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \
\
- va_list argptr; \
- va_start(argptr, szFormat); \
- wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr); \
- va_end(argptr); \
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr); \
\
wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \
} \
+ } \
+ void wxLog##level(const wxChar *szFormat, ...) \
+ { \
+ va_list argptr; \
+ va_start(argptr, szFormat); \
+ wxVLog##level(szFormat, argptr); \
+ va_end(argptr); \
}
- void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
+ void wxVLogTrace(const wxChar *mask, const wxChar *szFormat, va_list argptr)
{
if ( IsLoggingEnabled() && wxLog::IsAllowedTraceMask(mask) ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
wxChar *p = s_szBuf;
- size_t len = WXSIZEOF(s_szBuf);
+ size_t len = s_szBufSize;
wxStrncpy(s_szBuf, _T("("), len);
len -= 1; // strlen("(")
p += 1;
len -= 2;
p += 2;
- va_list argptr;
- va_start(argptr, szFormat);
wxVsnprintf(p, len, szFormat, argptr);
- va_end(argptr);
wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
}
}
- void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)
+ void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...)
+ {
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogTrace(mask, szFormat, argptr);
+ va_end(argptr);
+ }
+
+ void wxVLogTrace(wxTraceMask mask, const wxChar *szFormat, va_list argptr)
{
// we check that all of mask bits are set in the current mask, so
// that wxLogTrace(wxTraceRefCount | wxTraceOle) will only do something
if ( IsLoggingEnabled() && ((wxLog::GetTraceMask() & mask) == mask) ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
- va_list argptr;
- va_start(argptr, szFormat);
- wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
- va_end(argptr);
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL));
}
}
+ void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...)
+ {
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogTrace(mask, szFormat, argptr);
+ va_end(argptr);
+ }
+
#else // release
#define IMPLEMENT_LOG_DEBUG_FUNCTION(level)
#endif
wxChar szErrMsg[LOG_BUFFER_SIZE / 2];
wxSnprintf(szErrMsg, WXSIZEOF(szErrMsg),
_(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode));
- wxStrncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - wxStrlen(s_szBuf));
+ wxStrncat(s_szBuf, szErrMsg, s_szBufSize - wxStrlen(s_szBuf));
wxLog::OnLog(wxLOG_Error, s_szBuf, time(NULL));
}
-void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)
+void WXDLLEXPORT wxVLogSysError(const wxChar *szFormat, va_list argptr)
{
if ( IsLoggingEnabled() ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
- va_list argptr;
- va_start(argptr, szFormat);
- wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
- va_end(argptr);
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
wxLogSysErrorHelper(wxSysErrorCode());
}
}
-void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
+void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...)
+{
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogSysError(szFormat, argptr);
+ va_end(argptr);
+}
+
+void WXDLLEXPORT wxVLogSysError(long lErrCode, const wxChar *szFormat, va_list argptr)
{
if ( IsLoggingEnabled() ) {
wxCRIT_SECT_LOCKER(locker, gs_csLogBuf);
- va_list argptr;
- va_start(argptr, szFormat);
- wxVsnprintf(s_szBuf, WXSIZEOF(s_szBuf), szFormat, argptr);
- va_end(argptr);
+ wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr);
wxLogSysErrorHelper(lErrCode);
}
}
+void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...)
+{
+ va_list argptr;
+ va_start(argptr, szFormat);
+ wxVLogSysError(lErrCode, szFormat, argptr);
+ va_end(argptr);
+}
+
// ----------------------------------------------------------------------------
// wxLog class implementation
// ----------------------------------------------------------------------------
-wxLog::wxLog()
+wxChar *wxLog::SetLogBuffer( wxChar *buf, size_t size)
{
- m_bHasMessages = FALSE;
+ wxChar *oldbuf = s_szBuf;
+
+ if( buf == 0 )
+ {
+ s_szBuf = s_szBufStatic;
+ s_szBufSize = WXSIZEOF( s_szBufStatic );
+ }
+ else
+ {
+ s_szBuf = buf;
+ s_szBufSize = size;
+ }
+
+ return (oldbuf == s_szBufStatic ) ? 0 : oldbuf;
}
wxLog *wxLog::GetActiveTarget()
if ( ms_bAutoCreate && ms_pLogger == NULL ) {
// prevent infinite recursion if someone calls wxLogXXX() from
// wxApp::CreateLogTarget()
- static bool s_bInGetActiveTarget = FALSE;
+ static bool s_bInGetActiveTarget = false;
if ( !s_bInGetActiveTarget ) {
- s_bInGetActiveTarget = TRUE;
+ s_bInGetActiveTarget = true;
// ask the application to create a log target for us
if ( wxTheApp != NULL )
- ms_pLogger = wxTheApp->CreateLogTarget();
+ ms_pLogger = wxTheApp->GetTraits()->CreateLogTarget();
else
ms_pLogger = new wxLogStderr;
- s_bInGetActiveTarget = FALSE;
+ s_bInGetActiveTarget = false;
// do nothing if it fails - what can we do?
}
void wxLog::DontCreateOnDemand()
{
- ms_bAutoCreate = FALSE;
+ ms_bAutoCreate = false;
// this is usually called at the end of the program and we assume that it
// is *always* called at the end - so we free memory here to avoid false
{
int index = ms_aTraceMasks.Index(str);
if ( index != wxNOT_FOUND )
- ms_aTraceMasks.Remove((size_t)index);
+ ms_aTraceMasks.RemoveAt((size_t)index);
}
void wxLog::ClearTraceMasks()
DoLogString(wxString(_("Fatal error: ")) + szString, t);
DoLogString(_("Program aborted."), t);
Flush();
+#ifdef __WXWINCE__
+ ExitThread(3);
+#else
abort();
+#endif
break;
case wxLOG_Error:
void wxLog::Flush()
{
- // remember that we don't have any more messages to show
- m_bHasMessages = FALSE;
+ // nothing to do here
+}
+
+/*static*/ bool wxLog::IsAllowedTraceMask(const wxChar *mask)
+{
+ for ( wxArrayString::iterator it = ms_aTraceMasks.begin(),
+ en = ms_aTraceMasks.end();
+ it != en; ++it )
+ if ( *it == mask)
+ return true;
+ return false;
}
// ----------------------------------------------------------------------------
-// wxLogStderr class implementation
+// wxLogBuffer implementation
// ----------------------------------------------------------------------------
-wxLogStderr::wxLogStderr(FILE *fp)
+void wxLogBuffer::Flush()
{
- if ( fp == NULL )
- m_fp = stderr;
- else
- m_fp = fp;
+ if ( !m_str.empty() )
+ {
+ wxMessageOutputBest out;
+ out.Printf(_T("%s"), m_str.c_str());
+ m_str.clear();
+ }
}
-#if defined(__WXMAC__) && !defined(__DARWIN__)
-#define kDebuggerSignature 'MWDB'
-
-static Boolean FindProcessBySignature(OSType signature, ProcessInfoRec* info)
+void wxLogBuffer::DoLog(wxLogLevel level, const wxChar *szString, time_t t)
{
- OSErr err;
- ProcessSerialNumber psn;
- Boolean found = false;
- psn.highLongOfPSN = 0;
- psn.lowLongOfPSN = kNoProcess;
-
- if (!info) return false;
+ switch ( level )
+ {
+ case wxLOG_Trace:
+ case wxLOG_Debug:
+#ifdef __WXDEBUG__
+ // don't put debug messages in the buffer, we don't want to show
+ // them to the user in a msg box, log them immediately
+ {
+ wxString str;
+ TimeStamp(&str);
+ str += szString;
- info->processInfoLength = sizeof(ProcessInfoRec);
- info->processName = NULL;
- info->processAppSpec = NULL;
+ wxMessageOutputDebug dbgout;
+ dbgout.Printf(_T("%s\n"), str.c_str());
+ }
+#endif // __WXDEBUG__
+ break;
- err = noErr;
- while (!found && err == noErr)
- {
- err = GetNextProcess(&psn);
- if (err == noErr)
- {
- err = GetProcessInformation(&psn, info);
- found = err == noErr && info->processSignature == signature;
- }
+ default:
+ wxLog::DoLog(level, szString, t);
}
- return found;
}
-pascal Boolean MWDebuggerIsRunning(void)
+void wxLogBuffer::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
{
- ProcessInfoRec info;
- return FindProcessBySignature(kDebuggerSignature, &info);
+ m_str << szString << _T("\n");
}
-pascal OSErr AmIBeingMWDebugged(Boolean* result)
-{
- OSErr err;
- ProcessSerialNumber psn;
- OSType sig = kDebuggerSignature;
- AppleEvent theAE = {typeNull, NULL};
- AppleEvent theReply = {typeNull, NULL};
- AEAddressDesc addr = {typeNull, NULL};
- DescType actualType;
- Size actualSize;
-
- if (!result) return paramErr;
-
- err = AECreateDesc(typeApplSignature, &sig, sizeof(sig), &addr);
- if (err != noErr) goto exit;
-
- err = AECreateAppleEvent(kDebuggerSignature, 'Dbg?', &addr,
- kAutoGenerateReturnID, kAnyTransactionID, &theAE);
- if (err != noErr) goto exit;
-
- GetCurrentProcess(&psn);
- err = AEPutParamPtr(&theAE, keyDirectObject, typeProcessSerialNumber,
- &psn, sizeof(psn));
- if (err != noErr) goto exit;
-
- err = AESend(&theAE, &theReply, kAEWaitReply, kAENormalPriority,
- kAEDefaultTimeout, NULL, NULL);
- if (err != noErr) goto exit;
-
- err = AEGetParamPtr(&theReply, keyAEResult, typeBoolean, &actualType, result,
- sizeof(Boolean), &actualSize);
-
-exit:
- if (addr.dataHandle)
- AEDisposeDesc(&addr);
- if (theAE.dataHandle)
- AEDisposeDesc(&theAE);
- if (theReply.dataHandle)
- AEDisposeDesc(&theReply);
+// ----------------------------------------------------------------------------
+// wxLogStderr class implementation
+// ----------------------------------------------------------------------------
- return err;
+wxLogStderr::wxLogStderr(FILE *fp)
+{
+ if ( fp == NULL )
+ m_fp = stderr;
+ else
+ m_fp = fp;
}
-#endif
void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t))
{
fputc(_T('\n'), m_fp);
fflush(m_fp);
- // under Windows, programs usually don't have stderr at all, so show the
- // messages also under debugger - unless it's a console program
-#if defined(__WXMSW__) && wxUSE_GUI && !defined(__WXMICROWIN__)
- str += wxT("\r\n") ;
- OutputDebugString(str.c_str());
-#endif // MSW
-#if defined(__WXMAC__) && !defined(__DARWIN__) && wxUSE_GUI
- Str255 pstr ;
- strcpy( (char*) pstr , str.c_str() ) ;
- strcat( (char*) pstr , ";g" ) ;
- c2pstr( (char*) pstr ) ;
-#if __WXDEBUG__
- Boolean running = false ;
-
-/*
- if ( MWDebuggerIsRunning() )
- {
- AmIBeingMWDebugged( &running ) ;
- }
-*/
- if (running)
- {
-#ifdef __powerc
- DebugStr(pstr);
-#else
- SysBreakStr(pstr);
-#endif
- }
- else
-#endif
+ // under GUI systems such as Windows or Mac, programs usually don't have
+ // stderr at all, so show the messages also somewhere else, typically in
+ // the debugger window so that they go at least somewhere instead of being
+ // simply lost
+ if ( m_fp == stderr )
{
-#ifdef __powerc
- DebugStr(pstr);
-#else
- DebugStr(pstr);
-#endif
+ wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+ if ( traits && !traits->HasStderr() )
+ {
+ wxMessageOutputDebug dbgout;
+ dbgout.Printf(_T("%s\n"), str.c_str());
+ }
}
-#endif // Mac
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
#if wxUSE_STD_IOSTREAM
+#include "wx/ioswrap.h"
wxLogStream::wxLogStream(wxSTD ostream *ostr)
{
if ( ostr == NULL )
{
wxString str;
TimeStamp(&str);
- (*m_ostr) << str << wxConvertWX2MB(szString) << wxSTD endl;
+ (*m_ostr) << wxConvertWX2MB(str) << wxConvertWX2MB(szString) << wxSTD endl;
}
#endif // wxUSE_STD_IOSTREAM
wxLogChain::wxLogChain(wxLog *logger)
{
+ m_bPassMessages = true;
+
m_logNew = logger;
m_logOld = wxLog::SetActiveTarget(this);
}
-void wxLogChain::SetLog(wxLog *logger)
+wxLogChain::~wxLogChain()
{
+ delete m_logOld;
+
if ( m_logNew != this )
delete m_logNew;
+}
- wxLog::SetActiveTarget(logger);
+void wxLogChain::SetLog(wxLog *logger)
+{
+ if ( m_logNew != this )
+ delete m_logNew;
m_logNew = logger;
}
if ( m_logOld )
m_logOld->Flush();
- // be careful to avoid inifinite recursion
+ // be careful to avoid infinite recursion
if ( m_logNew && m_logNew != this )
m_logNew->Flush();
}
// ----------------------------------------------------------------------------
wxLog *wxLog::ms_pLogger = (wxLog *)NULL;
-bool wxLog::ms_doLog = TRUE;
-bool wxLog::ms_bAutoCreate = TRUE;
-bool wxLog::ms_bVerbose = FALSE;
+bool wxLog::ms_doLog = true;
+bool wxLog::ms_bAutoCreate = true;
+bool wxLog::ms_bVerbose = false;
+
+wxLogLevel wxLog::ms_logLevel = wxLOG_Max; // log everything by default
size_t wxLog::ms_suspendCount = 0;
-#if wxUSE_GUI
- const wxChar *wxLog::ms_timestamp = wxT("%X"); // time only, no date
-#else
- const wxChar *wxLog::ms_timestamp = NULL; // save space
-#endif
+const wxChar *wxLog::ms_timestamp = wxT("%X"); // time only, no date
wxTraceMask wxLog::ms_ulTraceMask = (wxTraceMask)0;
wxArrayString wxLog::ms_aTraceMasks;
unsigned long wxSysErrorCode()
{
#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
-#ifdef __WIN32__
return ::GetLastError();
-#else //WIN16
- // TODO what to do on Windows 3.1?
- return 0;
-#endif //WIN16/32
#else //Unix
return errno;
#endif //Win/Unix
nErrCode = wxSysErrorCode();
#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
-#ifdef __WIN32__
static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
// get error message from system
LPVOID lpMsgBuf;
- FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL, nErrCode,
+ if ( ::FormatMessage
+ (
+ FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ nErrCode,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)&lpMsgBuf,
- 0, NULL);
+ 0,
+ NULL
+ ) == 0 )
+ {
+ // if this happens, something is seriously wrong, so don't use _() here
+ // for safety
+ wxSprintf(s_szBuf, _T("unknown error %lx"), nErrCode);
+ return s_szBuf;
+ }
+
// copy it to our buffer and free memory
+ // Crashes on SmartPhone (FIXME)
+#if !defined(__SMARTPHONE__) /* of WinCE */
if( lpMsgBuf != 0 )
+ {
wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
+ s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');
+
+ LocalFree(lpMsgBuf);
+
+ // returned string is capitalized and ended with '\r\n' - bad
+ s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]);
+ size_t len = wxStrlen(s_szBuf);
+ if ( len > 0 ) {
+ // truncate string
+ if ( s_szBuf[len - 2] == wxT('\r') )
+ s_szBuf[len - 2] = wxT('\0');
+ }
+ }
else
+#endif
+ {
s_szBuf[0] = wxT('\0');
- s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');
- LocalFree(lpMsgBuf);
-
- // returned string is capitalized and ended with '\r\n' - bad
- s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]);
- size_t len = wxStrlen(s_szBuf);
- if ( len > 0 ) {
- // truncate string
- if ( s_szBuf[len - 2] == wxT('\r') )
- s_szBuf[len - 2] = wxT('\0');
}
return s_szBuf;
-#else //Win16
- // TODO
- return NULL;
-#endif // Win16/32
-#else // Unix
+#else // Unix-WXMICROWIN
#if wxUSE_UNICODE
static wxChar s_szBuf[LOG_BUFFER_SIZE / 2];
wxConvCurrent->MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1);
#else
return strerror((int)nErrCode);
#endif
-#endif // Win/Unix
+#endif // Win/Unix-WXMICROWIN
}
-#endif //wxUSE_LOG
+#endif // wxUSE_LOG
+
projects / wxWidgets.git / blobdiff