X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8c5b1f0faff5b26bc9b2d9052069e951e7b41c74..b93328d84228c097e125b0082b486da2aa0d1c22:/src/common/log.cpp diff --git a/src/common/log.cpp b/src/common/log.cpp index be03d3c4c8..a6a941d53e 100644 --- a/src/common/log.cpp +++ b/src/common/log.cpp @@ -6,7 +6,7 @@ // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,47 +17,47 @@ // 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 -#include -#include +#ifndef __WXWINCE__ +#include +#endif + +#include + +#ifndef __WXWINCE__ +#include +#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 // ---------------------------------------------------------------------------- @@ -84,7 +84,10 @@ #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 @@ -106,85 +109,148 @@ static inline bool IsLoggingEnabled() // 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; @@ -197,16 +263,21 @@ void wxLogVerbose(const wxChar *szFormat, ...) 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 @@ -214,15 +285,20 @@ void wxLogVerbose(const wxChar *szFormat, ...) 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 @@ -239,46 +315,69 @@ void wxLogSysErrorHelper(long lErrCode) 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() @@ -286,17 +385,17 @@ 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? } @@ -321,7 +420,7 @@ wxLog *wxLog::SetActiveTarget(wxLog *pLogger) 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 @@ -333,7 +432,7 @@ void wxLog::RemoveTraceMask(const wxString& str) { 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() @@ -362,7 +461,11 @@ void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t) DoLogString(wxString(_("Fatal error: ")) + szString, t); DoLogString(_("Program aborted."), t); Flush(); +#ifdef __WXWINCE__ + ExitThread(3); +#else abort(); +#endif break; case wxLOG_Error: @@ -402,101 +505,74 @@ void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t WXUNUSED(t)) 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)) { @@ -508,44 +584,19 @@ 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 } // ---------------------------------------------------------------------------- @@ -553,6 +604,7 @@ void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) // ---------------------------------------------------------------------------- #if wxUSE_STD_IOSTREAM +#include "wx/ioswrap.h" wxLogStream::wxLogStream(wxSTD ostream *ostr) { if ( ostr == NULL ) @@ -575,16 +627,24 @@ void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) 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; } @@ -594,7 +654,7 @@ void wxLogChain::Flush() 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(); } @@ -642,17 +702,15 @@ wxLogPassThrough::wxLogPassThrough() // ---------------------------------------------------------------------------- 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; @@ -702,12 +760,7 @@ static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz) 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 @@ -720,40 +773,55 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode) 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); @@ -761,7 +829,8 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode) #else return strerror((int)nErrCode); #endif -#endif // Win/Unix +#endif // Win/Unix-WXMICROWIN } -#endif //wxUSE_LOG +#endif // wxUSE_LOG +