pgadmin3/pgscript/utilities/pgsAlloc.cpp
2020-07-07 22:19:12 +05:00

123 lines
2.5 KiB
C++

//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2016, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin3.h"
#if defined(PGSDEBUG)
#include "pgscript/utilities/pgsAlloc.h"
#include <wx/string.h>
#include <wx/log.h>
#undef new
#undef delete
pgsAlloc::pgsAlloc()
{
}
void pgsAlloc::add_malloc(const pgsMallocInfo &malloc_info)
{
m_malloc_info[malloc_info.ptr] = malloc_info;
}
void pgsAlloc::rm_malloc(const void *ptr)
{
if (m_malloc_info.size() != 0)
{
pgsMallocInfoMap::iterator it = m_malloc_info.find(ptr);
if (it != m_malloc_info.end())
{
m_malloc_info.erase(it);
}
}
}
void pgsAlloc::dump()
{
pgsMallocInfoMap::const_iterator it = m_malloc_info.begin();
for (it = m_malloc_info.begin(); it != m_malloc_info.end(); it++)
{
const pgsMallocInfo &info = it->second;
wxLogError(wxString() << info.filename << wxT(":")
<< info.line_nb << wxT(" - ") << (int) info.ptr
<< wxT(" of size ") << info.size);
}
}
void *pgsAlloc::pmalloc(size_t size, const char *filename, size_t line_nb)
{
// Nothing to do if there is nothing to allocate
if (size == 0) return 0;
void *ptr = 0;
ptr = malloc(size);
// Add allocation in the allocation map
pgsMallocInfo malloc_info;
malloc_info.ptr = ptr;
malloc_info.size = size;
malloc_info.filename = wxString(filename, wxConvFile);
malloc_info.line_nb = line_nb;
this->add_malloc(malloc_info);
return ptr;
}
void pgsAlloc::pfree(void *ptr)
{
// Remove information from the map if this piece of data exists
this->rm_malloc(ptr);
// Delete the data
free(ptr);
}
pgsAlloc &pgsAlloc::instance()
{
static pgsAlloc x;
return x;
}
void *operator new(size_t size) throw (std::bad_alloc)
{
return malloc(size);
}
void *operator new[](size_t size) throw (std::bad_alloc)
{
return malloc(size);
}
void *operator new(size_t size, const char *filename, size_t line_nb)
throw (std::bad_alloc)
{
return pgsAlloc::instance().pmalloc(size, filename, line_nb);
}
void *operator new[](size_t size, const char *filename, size_t line_nb)
throw (std::bad_alloc)
{
return pgsAlloc::instance().pmalloc(size, filename, line_nb);
}
void operator delete(void *ptr) throw()
{
pgsAlloc::instance().pfree(ptr);
}
void operator delete[](void *ptr) throw()
{
pgsAlloc::instance().pfree(ptr);
}
#endif