X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..848332140be2d53aea32d0702f4c0e06c149d24b:/src/common/log.cpp diff --git a/src/common/log.cpp b/src/common/log.cpp index a9a0c0c025..252c6b09bb 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 ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,50 +17,48 @@ // 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 - #include "wx/msgdlg.h" - #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/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 - -#ifdef __WXMSW__ - #include - // Redefines OutputDebugString if necessary - #include "wx/msw/private.h" -#else //Unix - #include -#endif //Win/Unix +#ifndef __WXWINCE__ +#include +#endif + +#include + +#ifndef __WXWINCE__ +#include +#else +#include "wx/msw/wince/time.h" +#endif + +#if defined(__WINDOWS__) + #include "wx/msw/private.h" // includes windows.h +#endif // ---------------------------------------------------------------------------- // non member functions @@ -78,112 +76,229 @@ // ============================================================================ // ---------------------------------------------------------------------------- -// implementation of Log functions -// -// NB: unfortunately we need all these distinct functions, we can't make them -// macros and not all compilers inline vararg functions. +// globals // ---------------------------------------------------------------------------- // log functions can't allocate memory (LogError("out of memory...") should // work!), so we use a static buffer for all log messages #define LOG_BUFFER_SIZE (4096) -// static buffer for error messages (FIXME MT-unsafe) -static wxChar s_szBuf[LOG_BUFFER_SIZE]; +// static buffer for error messages +static wxChar s_szBufStatic[LOG_BUFFER_SIZE]; + +static wxChar *s_szBuf = s_szBufStatic; +static size_t s_szBufSize = WXSIZEOF( s_szBufStatic ); + +#if wxUSE_THREADS + +// the critical section protecting the static buffer +static wxCriticalSection gs_csLogBuf; + +#endif // wxUSE_THREADS + +// return true if we have a non NULL non disabled log target +static inline bool IsLoggingEnabled() +{ + return wxLog::IsEnabled() && (wxLog::GetActiveTarget() != NULL); +} + +// ---------------------------------------------------------------------------- +// implementation of Log functions +// +// NB: unfortunately we need all these distinct functions, we can't make them +// 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 wxVLogGeneric(wxLogLevel level, const wxChar *szFormat, va_list argptr) +{ + if ( IsLoggingEnabled() ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + PrintfInLogBug(szFormat, argptr); + + wxLog::OnLog(level, s_szBuf, time(NULL)); + } +} + void wxLogGeneric(wxLogLevel level, const wxChar *szFormat, ...) { - if ( wxLog::GetActiveTarget() != NULL ) { va_list argptr; va_start(argptr, szFormat); - wxVsprintf(s_szBuf, szFormat, argptr); + wxVLogGeneric(level, szFormat, argptr); va_end(argptr); - - wxLog::OnLog(level, s_szBuf, time(NULL)); - } } -#define IMPLEMENT_LOG_FUNCTION(level) \ - void wxLog##level(const wxChar *szFormat, ...) \ - { \ - if ( wxLog::GetActiveTarget() != NULL ) { \ - va_list argptr; \ - va_start(argptr, szFormat); \ - wxVsprintf(s_szBuf, szFormat, argptr); \ - va_end(argptr); \ - \ - wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \ - } \ +#define IMPLEMENT_LOG_FUNCTION(level) \ + void wxVLog##level(const wxChar *szFormat, va_list argptr) \ + { \ + if ( IsLoggingEnabled() ) { \ + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \ + \ + 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 wxVLogVerbose(const wxChar *szFormat, va_list argptr) +{ + if ( IsLoggingEnabled() ) { + if ( wxLog::GetActiveTarget() != NULL && wxLog::GetVerbose() ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr); + + wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL)); + } + } +} + void wxLogVerbose(const wxChar *szFormat, ...) { - wxLog *pLog = wxLog::GetActiveTarget(); - if ( pLog != NULL && pLog->GetVerbose() ) { va_list argptr; va_start(argptr, szFormat); - wxVsprintf(s_szBuf, szFormat, argptr); + wxVLogVerbose(szFormat, argptr); va_end(argptr); - - wxLog::OnLog(wxLOG_Info, s_szBuf, time(NULL)); - } } // debug functions #ifdef __WXDEBUG__ -#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \ - void wxLog##level(const wxChar *szFormat, ...) \ - { \ - if ( wxLog::GetActiveTarget() != NULL ) { \ - va_list argptr; \ - va_start(argptr, szFormat); \ - wxVsprintf(s_szBuf, szFormat, argptr); \ - va_end(argptr); \ - \ - wxLog::OnLog(wxLOG_##level, s_szBuf, time(NULL)); \ - } \ +#define IMPLEMENT_LOG_DEBUG_FUNCTION(level) \ + void wxVLog##level(const wxChar *szFormat, va_list argptr) \ + { \ + if ( IsLoggingEnabled() ) { \ + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); \ + \ + 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) { - wxLog *pLog = wxLog::GetActiveTarget(); + if ( IsLoggingEnabled() && wxLog::IsAllowedTraceMask(mask) ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + wxChar *p = s_szBuf; + size_t len = s_szBufSize; + wxStrncpy(s_szBuf, _T("("), len); + len -= 1; // strlen("(") + p += 1; + wxStrncat(p, mask, len); + size_t lenMask = wxStrlen(mask); + len -= lenMask; + p += lenMask; + + wxStrncat(p, _T(") "), len); + len -= 2; + p += 2; - if ( pLog != NULL && wxLog::IsAllowedTraceMask(mask) ) { - va_list argptr; - va_start(argptr, szFormat); - wxVsprintf(s_szBuf, szFormat, argptr); - va_end(argptr); + wxVsnprintf(p, len, szFormat, argptr); wxLog::OnLog(wxLOG_Trace, s_szBuf, time(NULL)); } } - void wxLogTrace(wxTraceMask mask, const wxChar *szFormat, ...) + void wxLogTrace(const wxChar *mask, const wxChar *szFormat, ...) { - wxLog *pLog = wxLog::GetActiveTarget(); + 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 both bits are set. - if ( pLog != NULL && ((pLog->GetTraceMask() & mask) == mask) ) { - va_list argptr; - va_start(argptr, szFormat); - wxVsprintf(s_szBuf, szFormat, argptr); - va_end(argptr); + if ( IsLoggingEnabled() && ((wxLog::GetTraceMask() & mask) == mask) ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + 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 @@ -198,46 +313,71 @@ IMPLEMENT_LOG_DEBUG_FUNCTION(Trace) void wxLogSysErrorHelper(long lErrCode) { wxChar szErrMsg[LOG_BUFFER_SIZE / 2]; - wxSprintf(szErrMsg, _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode)); - wxStrncat(s_szBuf, szErrMsg, WXSIZEOF(s_szBuf) - wxStrlen(s_szBuf)); + wxSnprintf(szErrMsg, WXSIZEOF(szErrMsg), + _(" (error %ld: %s)"), lErrCode, wxSysErrorMsg(lErrCode)); + wxStrncat(s_szBuf, szErrMsg, s_szBufSize - wxStrlen(s_szBuf)); wxLog::OnLog(wxLOG_Error, s_szBuf, time(NULL)); } +void WXDLLEXPORT wxVLogSysError(const wxChar *szFormat, va_list argptr) +{ + if ( IsLoggingEnabled() ) { + wxCRIT_SECT_LOCKER(locker, gs_csLogBuf); + + wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr); + + wxLogSysErrorHelper(wxSysErrorCode()); + } +} + void WXDLLEXPORT wxLogSysError(const wxChar *szFormat, ...) { va_list argptr; va_start(argptr, szFormat); - wxVsprintf(s_szBuf, szFormat, argptr); + 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); + + wxVsnprintf(s_szBuf, s_szBufSize, szFormat, argptr); - wxLogSysErrorHelper(wxSysErrorCode()); + wxLogSysErrorHelper(lErrCode); + } } void WXDLLEXPORT wxLogSysError(long lErrCode, const wxChar *szFormat, ...) { va_list argptr; va_start(argptr, szFormat); - wxVsprintf(s_szBuf, szFormat, argptr); + wxVLogSysError(lErrCode, szFormat, argptr); va_end(argptr); - - wxLogSysErrorHelper(lErrCode); } // ---------------------------------------------------------------------------- // wxLog class implementation // ---------------------------------------------------------------------------- -wxLog::wxLog() +wxChar *wxLog::SetLogBuffer( wxChar *buf, size_t size) { - m_bHasMessages = FALSE; + wxChar *oldbuf = s_szBuf; - // enable verbose messages by default in the debug builds -#ifdef __WXDEBUG__ - m_bVerbose = TRUE; -#else // release - m_bVerbose = FALSE; -#endif // debug/release + 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() @@ -245,17 +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? } @@ -278,11 +418,26 @@ wxLog *wxLog::SetActiveTarget(wxLog *pLogger) return pOldLogger; } +void wxLog::DontCreateOnDemand() +{ + 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 + // memory leak reports from wxWin memory tracking code + ClearTraceMasks(); +} + 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() +{ + ms_aTraceMasks.Clear(); } void wxLog::TimeStamp(wxString *str) @@ -295,7 +450,7 @@ void wxLog::TimeStamp(wxString *str) wxStrftime(buf, WXSIZEOF(buf), ms_timestamp, localtime(&timeNow)); str->Empty(); - *str << buf << T(": "); + *str << buf << wxT(": "); } } @@ -306,7 +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: @@ -320,31 +479,87 @@ void wxLog::DoLog(wxLogLevel level, const wxChar *szString, time_t t) case wxLOG_Info: if ( GetVerbose() ) case wxLOG_Message: + case wxLOG_Status: default: // log unknown log levels too DoLogString(szString, t); - // fall through - - case wxLOG_Status: - // nothing to do break; case wxLOG_Trace: case wxLOG_Debug: #ifdef __WXDEBUG__ - DoLogString(szString, t); -#endif + { + wxString msg = level == wxLOG_Trace ? wxT("Trace: ") + : wxT("Debug: "); + msg << szString; + DoLogString(msg, t); + } +#endif // Debug break; } } void wxLog::DoLogString(const wxChar *WXUNUSED(szString), time_t WXUNUSED(t)) { - wxFAIL_MSG(T("DoLogString must be overriden if it's called.")); + wxFAIL_MSG(wxT("DoLogString must be overriden if it's called.")); } void wxLog::Flush() { - // do nothing + // 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; +} + +// ---------------------------------------------------------------------------- +// wxLogBuffer implementation +// ---------------------------------------------------------------------------- + +void wxLogBuffer::Flush() +{ + if ( !m_str.empty() ) + { + wxMessageOutputBest out; + out.Printf(_T("%s"), m_str.c_str()); + m_str.clear(); + } +} + +void wxLogBuffer::DoLog(wxLogLevel level, const wxChar *szString, time_t t) +{ + 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; + + wxMessageOutputDebug dbgout; + dbgout.Printf(_T("%s\n"), str.c_str()); + } +#endif // __WXDEBUG__ + break; + + default: + wxLog::DoLog(level, szString, t); + } +} + +void wxLogBuffer::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) +{ + m_str << szString << _T("\n"); } // ---------------------------------------------------------------------------- @@ -363,16 +578,25 @@ void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) { wxString str; TimeStamp(&str); - str << szString << T('\n'); + str << szString; fputs(str.mb_str(), m_fp); + fputc(_T('\n'), m_fp); fflush(m_fp); - // under Windows, programs usually don't have stderr at all, so make show the - // messages also under debugger -#ifdef __WXMSW__ - OutputDebugString(str + T('\r')); -#endif // MSW + // 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 ) + { + wxAppTraits *traits = wxTheApp ? wxTheApp->GetTraits() : NULL; + if ( traits && !traits->HasStderr() ) + { + wxMessageOutputDebug dbgout; + dbgout.Printf(_T("%s\n"), str.c_str()); + } + } } // ---------------------------------------------------------------------------- @@ -380,20 +604,95 @@ void wxLogStderr::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) // ---------------------------------------------------------------------------- #if wxUSE_STD_IOSTREAM -wxLogStream::wxLogStream(ostream *ostr) +#include "wx/ioswrap.h" +wxLogStream::wxLogStream(wxSTD ostream *ostr) { if ( ostr == NULL ) - m_ostr = &cerr; + m_ostr = &wxSTD cerr; else m_ostr = ostr; } void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) { - (*m_ostr) << wxConvertWX2MB(szString) << endl; + wxString str; + TimeStamp(&str); + (*m_ostr) << wxConvertWX2MB(str) << wxConvertWX2MB(szString) << wxSTD endl; } #endif // wxUSE_STD_IOSTREAM +// ---------------------------------------------------------------------------- +// wxLogChain +// ---------------------------------------------------------------------------- + +wxLogChain::wxLogChain(wxLog *logger) +{ + m_bPassMessages = true; + + m_logNew = logger; + m_logOld = wxLog::SetActiveTarget(this); +} + +wxLogChain::~wxLogChain() +{ + delete m_logOld; + + if ( m_logNew != this ) + delete m_logNew; +} + +void wxLogChain::SetLog(wxLog *logger) +{ + if ( m_logNew != this ) + delete m_logNew; + + m_logNew = logger; +} + +void wxLogChain::Flush() +{ + if ( m_logOld ) + m_logOld->Flush(); + + // be careful to avoid infinite recursion + if ( m_logNew && m_logNew != this ) + m_logNew->Flush(); +} + +void wxLogChain::DoLog(wxLogLevel level, const wxChar *szString, time_t t) +{ + // let the previous logger show it + if ( m_logOld && IsPassingMessages() ) + { + // bogus cast just to access protected DoLog + ((wxLogChain *)m_logOld)->DoLog(level, szString, t); + } + + if ( m_logNew && m_logNew != this ) + { + // as above... + ((wxLogChain *)m_logNew)->DoLog(level, szString, t); + } +} + +// ---------------------------------------------------------------------------- +// wxLogPassThrough +// ---------------------------------------------------------------------------- + +#ifdef __VISUALC__ + // "'this' : used in base member initializer list" - so what? + #pragma warning(disable:4355) +#endif // VC++ + +wxLogPassThrough::wxLogPassThrough() + : wxLogChain(this) +{ +} + +#ifdef __VISUALC__ + #pragma warning(default:4355) +#endif // VC++ + // ============================================================================ // Global functions/variables // ============================================================================ @@ -403,10 +702,15 @@ void wxLogStream::DoLogString(const wxChar *szString, time_t WXUNUSED(t)) // ---------------------------------------------------------------------------- wxLog *wxLog::ms_pLogger = (wxLog *)NULL; -bool wxLog::ms_doLog = TRUE; -bool wxLog::ms_bAutoCreate = TRUE; +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 -const wxChar *wxLog::ms_timestamp = T("%X"); // time only, no date +size_t wxLog::ms_suspendCount = 0; + +const wxChar *wxLog::ms_timestamp = wxT("%X"); // time only, no date wxTraceMask wxLog::ms_ulTraceMask = (wxTraceMask)0; wxArrayString wxLog::ms_aTraceMasks; @@ -455,13 +759,8 @@ static void wxLogWrap(FILE *f, const char *pszPrefix, const char *psz) // get error code from syste unsigned long wxSysErrorCode() { -#ifdef __WXMSW__ -#ifdef __WIN32__ +#if defined(__WXMSW__) && !defined(__WXMICROWIN__) return ::GetLastError(); -#else //WIN16 - // TODO what to do on Windows 3.1? - return 0; -#endif //WIN16/32 #else //Unix return errno; #endif //Win/Unix @@ -473,139 +772,65 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode) if ( nErrCode == 0 ) nErrCode = wxSysErrorCode(); -#ifdef __WXMSW__ -#ifdef __WIN32__ +#if defined(__WXMSW__) && !defined(__WXMICROWIN__) 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 - wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1); - s_szBuf[WXSIZEOF(s_szBuf) - 1] = T('\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] == T('\r') ) - s_szBuf[len - 2] = T('\0'); + // 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'); } 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); return s_szBuf; #else - return strerror(nErrCode); -#endif -#endif // Win/Unix -} - -// ---------------------------------------------------------------------------- -// debug helper -// ---------------------------------------------------------------------------- - -#ifdef __WXDEBUG__ - -// break into the debugger -void Trap() -{ -#ifdef __WXMSW__ - DebugBreak(); -#elif defined(__WXMAC__) -#if __powerc - Debugger(); -#else - SysBreak(); + return strerror((int)nErrCode); #endif -#elif defined(__UNIX__) - raise(SIGTRAP); -#else - // TODO -#endif // Win/Unix -} - -// this function is called when an assert fails -void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg) -{ - // this variable can be set to true to suppress "assert failure" messages - static bool s_bNoAsserts = FALSE; - static bool s_bInAssert = FALSE; // FIXME MT-unsafe - - if ( s_bInAssert ) { - // He-e-e-e-elp!! we're trapped in endless loop - Trap(); - - s_bInAssert = FALSE; - - return; - } - - s_bInAssert = TRUE; - - wxChar szBuf[LOG_BUFFER_SIZE]; - - // make life easier for people using VC++ IDE: clicking on the message - // will take us immediately to the place of the failed assert -#ifdef __VISUALC__ - wxSprintf(szBuf, T("%s(%d): assert failed"), szFile, nLine); -#else // !VC++ - // make the error message more clear for all the others - wxSprintf(szBuf, T("Assert failed in file %s at line %d"), szFile, nLine); -#endif // VC/!VC - - if ( szMsg != NULL ) { - wxStrcat(szBuf, T(": ")); - wxStrcat(szBuf, szMsg); - } - else { - wxStrcat(szBuf, T(".")); - } - - if ( !s_bNoAsserts ) { - // send it to the normal log destination - wxLogDebug(szBuf); - -#if wxUSE_GUI - // this message is intentionally not translated - it is for - // developpers only - wxStrcat(szBuf, T("\nDo you want to stop the program?" - "\nYou can also choose [Cancel] to suppress " - "further warnings.")); - - switch ( wxMessageBox(szBuf, _("Debug"), - wxYES_NO | wxCANCEL | wxICON_STOP ) ) { - case wxYES: - Trap(); - break; - - case wxCANCEL: - s_bNoAsserts = TRUE; - break; - - //case wxNO: nothing to do - } -#else // !GUI - Trap(); -#endif // GUI/!GUI - } - - s_bInAssert = FALSE; +#endif // Win/Unix-WXMICROWIN } -#endif //WXDEBUG +#endif // wxUSE_LOG