/*
* HunkLength is forced to be a multiple of 4
*/
MemPool * AllocPool (long HunkLength,long NumHunks,long AutoExtendNumItems)
{
MemPool * Ret;
if ( (Ret = malloc(sizeof(MemPool))) == NULL )
return(NULL);
Ret->HunkLength = PaddedSize(HunkLength);
Ret->CurMemBlock = NULL;
Ret->MemBlock = NULL;
Ret->NumFreedHunks = 0;
Ret->MaxNumFreedHunks = 16;
Ret->AutoExtendNumItems = AutoExtendNumItems;
Ret->NumItemsActive = 0;
if ( (Ret->FreedHunks = malloc(Ret->MaxNumFreedHunks*sizeofpointer)) == NULL )
{
free(Ret);
return(NULL);
}
if ( ! ExtendPool(Ret,NumHunks) )
{
free(Ret->FreedHunks);
free(Ret);
return(NULL);
}
return(Ret);
}
/*
Returns the total amount of memory which we need to get from the system
in order to satisfy a caller request. This includes space for the struct
plus markers and the caller's memory as well.
*/
size_t wxDebugContext::TotSize (const size_t reqSize)
{
return (PaddedSize (sizeof (wxMemStruct)) + PaddedSize (reqSize) +
2 * sizeof(wxMarkerType));
}
char * wxDebugContext::EndMarkerPos (const char * buf, const size_t size)
{
return CallerMemPos (buf) + PaddedSize (size);
}
char * wxDebugContext::CallerMemPos (const char * buf)
{
return MidMarkerPos (buf) + PaddedSize (sizeof(wxMarkerType));
}
char * wxDebugContext::MidMarkerPos (const char * buf)
{
return StructPos (buf) + PaddedSize (sizeof (wxMemStruct));
}