X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ce3ed50dbe32d118321082db84c3a9abb047d5b7..1363811bb6338fb0dad6c16cfa47f46fb1eb3b99:/src/common/memory.cpp diff --git a/src/common/memory.cpp b/src/common/memory.cpp index 81245b504f..7cac322e8d 100644 --- a/src/common/memory.cpp +++ b/src/common/memory.cpp @@ -6,7 +6,7 @@ // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -38,15 +38,12 @@ #include #include +#include "wx/ioswrap.h" + #if wxUSE_IOSTREAMH -#include -#include + #include #else -#include -#include -# ifdef _MSC_VER - using namespace std; -# endif + #include #endif #if !defined(__WATCOMC__) && !defined(__VMS__) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) @@ -78,8 +75,8 @@ // wxDebugContext wxTheDebugContext; /* Redefine new and delete so that we can pick up situations where: - - we overwrite or underwrite areas of malloc'd memory. - - we use uninitialise variables + - we overwrite or underwrite areas of malloc'd memory. + - we use uninitialise variables Only do this in debug mode. We change new to get enough memory to allocate a struct, followed @@ -116,7 +113,7 @@ void wxMemStruct::ErrorMsg (const char * mesg) wxLogDebug("wxWindows memory checking error: %s", mesg); PrintNode (); -// << m_fileName << ' ' << m_lineNum << endl; +// << m_fileName << ' ' << m_lineNum << endl; } /* @@ -126,7 +123,7 @@ void wxMemStruct::ErrorMsg () { wxLogDebug("wxWindows over/underwrite memory error:"); PrintNode (); - + // cerr << m_fileName << ' ' << m_lineNum << endl; } @@ -141,9 +138,9 @@ void wxMemStruct::ErrorMsg () int wxMemStruct::AssertList () { if (wxDebugContext::GetHead () != 0 && ! (wxDebugContext::GetHead ())->AssertIt () || - wxDebugContext::GetTail () != 0 && ! wxDebugContext::GetTail ()->AssertIt ()) { - ErrorMsg ("Head or tail pointers trashed"); - return 0; + wxDebugContext::GetTail () != 0 && ! wxDebugContext::GetTail ()->AssertIt ()) { + ErrorMsg ("Head or tail pointers trashed"); + return 0; } return 1; } @@ -163,8 +160,8 @@ int wxMemStruct::AssertList () int wxMemStruct::AssertIt () { return (m_id == MemStructId && - (m_prev == 0 || m_prev->m_id == MemStructId) && - (m_next == 0 || m_next->m_id == MemStructId)); + (m_prev == 0 || m_prev->m_id == MemStructId) && + (m_next == 0 || m_next->m_id == MemStructId)); } @@ -175,19 +172,19 @@ int wxMemStruct::AssertIt () int wxMemStruct::Append () { if (! AssertList ()) - return 0; + return 0; if (wxDebugContext::GetHead () == 0) { - if (wxDebugContext::GetTail () != 0) { - ErrorMsg ("Null list should have a null tail pointer"); - return 0; - } - (void) wxDebugContext::SetHead (this); - (void) wxDebugContext::SetTail (this); + if (wxDebugContext::GetTail () != 0) { + ErrorMsg ("Null list should have a null tail pointer"); + return 0; + } + (void) wxDebugContext::SetHead (this); + (void) wxDebugContext::SetTail (this); } else { - wxDebugContext::GetTail ()->m_next = this; - this->m_prev = wxDebugContext::GetTail (); - (void) wxDebugContext::SetTail (this); + wxDebugContext::GetTail ()->m_next = this; + this->m_prev = wxDebugContext::GetTail (); + (void) wxDebugContext::SetTail (this); } return 1; } @@ -201,51 +198,51 @@ int wxMemStruct::Append () int wxMemStruct::Unlink () { if (! AssertList ()) - return 0; + return 0; if (wxDebugContext::GetHead () == 0 || wxDebugContext::GetTail () == 0) { - ErrorMsg ("Trying to remove node from empty list"); - return 0; + ErrorMsg ("Trying to remove node from empty list"); + return 0; } // Handle the part of the list before this node. if (m_prev == 0) { - if (this != wxDebugContext::GetHead ()) { - ErrorMsg ("No previous node for non-head node"); - return 0; - } - (void) wxDebugContext::SetHead (m_next); + if (this != wxDebugContext::GetHead ()) { + ErrorMsg ("No previous node for non-head node"); + return 0; + } + (void) wxDebugContext::SetHead (m_next); } else { - if (! m_prev->AssertIt ()) { - ErrorMsg ("Trashed previous pointer"); - return 0; - } - - if (m_prev->m_next != this) { - ErrorMsg ("List is inconsistent"); - return 0; - } - m_prev->m_next = m_next; + if (! m_prev->AssertIt ()) { + ErrorMsg ("Trashed previous pointer"); + return 0; + } + + if (m_prev->m_next != this) { + ErrorMsg ("List is inconsistent"); + return 0; + } + m_prev->m_next = m_next; } // Handle the part of the list after this node. if (m_next == 0) { - if (this != wxDebugContext::GetTail ()) { - ErrorMsg ("No next node for non-tail node"); - return 0; - } - (void) wxDebugContext::SetTail (m_prev); + if (this != wxDebugContext::GetTail ()) { + ErrorMsg ("No next node for non-tail node"); + return 0; + } + (void) wxDebugContext::SetTail (m_prev); } else { - if (! m_next->AssertIt ()) { - ErrorMsg ("Trashed next pointer"); - return 0; - } - - if (m_next->m_prev != this) { - ErrorMsg ("List is inconsistent"); - return 0; - } - m_next->m_prev = m_prev; + if (! m_next->AssertIt ()) { + ErrorMsg ("Trashed next pointer"); + return 0; + } + + if (m_next->m_prev != this) { + ErrorMsg ("List is inconsistent"); + return 0; + } + m_next->m_prev = m_prev; } return 1; @@ -262,22 +259,22 @@ int wxMemStruct::CheckBlock () int nFailures = 0; if (m_firstMarker != MemStartCheck) { - nFailures++; - ErrorMsg (); + nFailures++; + ErrorMsg (); } - + char * pointer = wxDebugContext::MidMarkerPos ((char *) this); if (* (wxMarkerType *) pointer != MemMidCheck) { - nFailures++; - ErrorMsg (); + nFailures++; + ErrorMsg (); } - + pointer = wxDebugContext::EndMarkerPos ((char *) this, RequestSize ()); if (* (wxMarkerType *) pointer != MemEndCheck) { - nFailures++; - ErrorMsg (); + nFailures++; + ErrorMsg (); } - + return nFailures; } @@ -288,12 +285,12 @@ int wxMemStruct::CheckBlock () int wxMemStruct::CheckAllPrevious () { int nFailures = 0; - + for (wxMemStruct * st = this->m_prev; st != 0; st = st->m_prev) { - if (st->AssertIt ()) - nFailures += st->CheckBlock (); - else - return -1; + if (st->AssertIt ()) + nFailures += st->CheckBlock (); + else + return -1; } return nFailures; @@ -366,7 +363,7 @@ void wxMemStruct::PrintNode () void wxMemStruct::Dump () { if (!ValidateNode()) return; - + if (m_isObject) { wxObject *obj = (wxObject *)m_actualData; @@ -416,15 +413,15 @@ int wxMemStruct::ValidateNode () { char * startPointer = (char *) this; if (!AssertIt ()) { - if (IsDeleted ()) - ErrorMsg ("Object already deleted"); - else { - // Can't use the error routines as we have no recognisable object. + if (IsDeleted ()) + ErrorMsg ("Object already deleted"); + else { + // Can't use the error routines as we have no recognisable object. #ifndef __WXGTK__ - wxLogDebug("Can't verify memory struct - all bets are off!"); + wxLogDebug("Can't verify memory struct - all bets are off!"); #endif - } - return 0; + } + return 0; } /* @@ -438,20 +435,20 @@ int wxMemStruct::ValidateNode () if (* (wxMarkerType *) wxDebugContext::MidMarkerPos (startPointer) != MemMidCheck) ErrorMsg (); if (* (wxMarkerType *) wxDebugContext::EndMarkerPos (startPointer, - RequestSize ()) != - MemEndCheck) + RequestSize ()) != + MemEndCheck) ErrorMsg (); // Back to before the extra buffer and check that // we can still read what we originally wrote. if (Marker () != MemStartCheck || - * (wxMarkerType *) wxDebugContext::MidMarkerPos (startPointer) - != MemMidCheck || - * (wxMarkerType *) wxDebugContext::EndMarkerPos (startPointer, - RequestSize ()) != MemEndCheck) + * (wxMarkerType *) wxDebugContext::MidMarkerPos (startPointer) + != MemMidCheck || + * (wxMarkerType *) wxDebugContext::EndMarkerPos (startPointer, + RequestSize ()) != MemEndCheck) { - ErrorMsg (); - return 0; + ErrorMsg (); + return 0; } return 1; @@ -588,7 +585,7 @@ char * wxDebugContext::EndMarkerPos (const char * buf, const size_t size) char * wxDebugContext::StartPos (const char * caller) { return ((char *) (caller - wxDebugContext::PaddedSize (sizeof(wxMarkerType)) - - wxDebugContext::PaddedSize (sizeof (wxMemStruct)))); + wxDebugContext::PaddedSize (sizeof (wxMemStruct)))); } /* @@ -620,7 +617,7 @@ size_t wxDebugContext::PaddedSize (const size_t size) size_t wxDebugContext::TotSize (const size_t reqSize) { return (PaddedSize (sizeof (wxMemStruct)) + PaddedSize (reqSize) + - 2 * sizeof(wxMarkerType)); + 2 * sizeof(wxMarkerType)); } @@ -631,7 +628,7 @@ void wxDebugContext::TraverseList (PmSFV func, wxMemStruct *from) { if (!from) from = wxDebugContext::GetHead (); - + for (wxMemStruct * st = from; st != 0; st = st->m_next) { void* data = st->GetActualData(); @@ -683,7 +680,7 @@ bool wxDebugContext::Dump(void) } } TraverseList ((PmSFV)&wxMemStruct::Dump, (checkPoint ? checkPoint->m_next : (wxMemStruct*)NULL)); - + wxLogDebug( "" ); wxLogDebug( "" ); @@ -739,10 +736,10 @@ bool wxDebugContext::PrintStatistics(bool detailed) wxLogDebug( "----- Memory statistics -----" ); } } - + bool currentMode = GetDebugMode(); SetDebugMode(FALSE); - + long noNonObjectNodes = 0; long noObjectNodes = 0; long totalSize = 0; @@ -753,7 +750,7 @@ bool wxDebugContext::PrintStatistics(bool detailed) if (!from) from = wxDebugContext::GetHead (); - wxMemStruct *st; + wxMemStruct *st; for (st = from; st != 0; st = st->m_next) { void* data = st->GetActualData(); @@ -803,7 +800,7 @@ bool wxDebugContext::PrintStatistics(bool detailed) } wxLogDebug(""); } - + SetDebugMode(currentMode); wxLogDebug("Number of object items: %ld", noObjectNodes); @@ -816,7 +813,7 @@ bool wxDebugContext::PrintStatistics(bool detailed) #else return FALSE; #endif -} +} bool wxDebugContext::PrintClasses(void) { @@ -874,7 +871,7 @@ bool wxDebugContext::PrintClasses(void) wxLogDebug(""); wxLogDebug(""); return TRUE; -} +} void wxDebugContext::SetCheckpoint(bool all) { @@ -888,7 +885,7 @@ void wxDebugContext::SetCheckpoint(bool all) int wxDebugContext::Check(bool checkAll) { int nFailures = 0; - + wxMemStruct *from = (checkPoint ? checkPoint->m_next : (wxMemStruct*)NULL ); if (!from || checkAll) from = wxDebugContext::GetHead (); @@ -942,7 +939,7 @@ int wxDebugContext::CountObjectsLeft(bool sinceCheckpoint) #endif // Seems OK all of a sudden. Maybe to do with linking with multithreaded library? -#if 0 // def _MSC_VER +#if 0 // def __VISUALC__ #define NO_DEBUG_ALLOCATION #endif @@ -1001,7 +998,7 @@ void operator delete (void * buf) } // VC++ 6.0 -#if _MSC_VER >= 1200 +#if defined(__VISUALC__) && (__VISUALC__ >= 1200) void operator delete(void* pData, char* /* fileName */, int /* lineNum */) { // ::operator delete(pData); @@ -1039,12 +1036,12 @@ void * wxDebugAlloc(size_t size, char * fileName, int lineNum, bool isObject, bo { return (void *)malloc(size); } - + int totSize = wxDebugContext::TotSize (size); char * buf = (char *) malloc(totSize); if (!buf) { - wxLogDebug("Call to malloc (%ld) failed.", (long)size); - return 0; + wxLogDebug("Call to malloc (%ld) failed.", (long)size); + return 0; } wxMemStruct * st = (wxMemStruct *)buf; st->m_firstMarker = MemStartCheck; @@ -1058,15 +1055,15 @@ void * wxDebugAlloc(size_t size, char * fileName, int lineNum, bool isObject, bo // Errors from Append() shouldn't really happen - but just in case! if (st->Append () == 0) { - st->ErrorMsg ("Trying to append new node"); + st->ErrorMsg ("Trying to append new node"); } - + if (wxDebugContext::GetCheckPrevious ()) { - if (st->CheckAllPrevious () < 0) { - st->ErrorMsg ("Checking previous nodes"); - } + if (st->CheckAllPrevious () < 0) { + st->ErrorMsg ("Checking previous nodes"); + } } - + // Set up the extra markers at the middle and end. char * ptr = wxDebugContext::MidMarkerPos (buf); * (wxMarkerType *) ptr = MemMidCheck; @@ -1086,7 +1083,7 @@ void wxDebugFree(void * buf, bool WXUNUSED(isVect) ) { if (!buf) return; - + // If not in debugging allocation mode, do the normal thing // so we don't leave any trace of ourselves in the node list. if (!wxDebugContext::GetDebugMode()) @@ -1101,7 +1098,7 @@ void wxDebugFree(void * buf, bool WXUNUSED(isVect) ) wxMemStruct * st = (wxMemStruct *) wxDebugContext::StructPos (startPointer); if (! st->ValidateNode ()) - return; + return; // If this is the current checkpoint, we need to // move the checkpoint back so it points to a valid @@ -1113,12 +1110,12 @@ void wxDebugFree(void * buf, bool WXUNUSED(isVect) ) { st->ErrorMsg ("Unlinking deleted node"); } - + // Now put in the fill char into the id slot and the caller requested // memory locations. st->SetDeleted (); (void) memset (wxDebugContext::CallerMemPos (startPointer), MemFillChar, - st->RequestSize ()); + st->RequestSize ()); // Don't allow delayed freeing of memory in this version // if (!wxDebugContext::GetDelayFree()) @@ -1160,7 +1157,7 @@ void wxTraceLevel(int level, const char *fmt ...) { if (wxDebugContext::GetLevel() < level) return; - + va_list ap; static char buffer[512];