mirror of
https://github.com/ZDoom/qzdoom-gpl.git
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113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
/*
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** m_alloc.cpp
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** Wrappers for the malloc family of functions that count used bytes.
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2008 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include <malloc.h>
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#include "i_system.h"
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#include "dobject.h"
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#ifndef _MSC_VER
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#define _NORMAL_BLOCK 0
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#define _malloc_dbg(s,b,f,l) malloc(s)
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#define _realloc_dbg(p,s,b,f,l) realloc(p,s)
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#endif
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#ifndef _WIN32
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#define _msize(p) malloc_usable_size(p) // from glibc/FreeBSD
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#endif
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#ifndef _DEBUG
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void *M_Malloc(size_t size)
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{
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void *block = malloc(size);
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if (block == NULL)
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I_FatalError("Could not malloc %zu bytes", size);
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GC::AllocBytes += _msize(block);
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return block;
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}
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void *M_Realloc(void *memblock, size_t size)
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{
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if (memblock != NULL)
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{
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GC::AllocBytes -= _msize(memblock);
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}
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void *block = realloc(memblock, size);
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if (block == NULL)
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{
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I_FatalError("Could not realloc %zu bytes", size);
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}
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GC::AllocBytes += _msize(block);
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return block;
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}
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#else
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#ifdef _MSC_VER
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#include <crtdbg.h>
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#endif
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void *M_Malloc_Dbg(size_t size, const char *file, int lineno)
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{
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void *block = _malloc_dbg(size, _NORMAL_BLOCK, file, lineno);
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if (block == NULL)
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I_FatalError("Could not malloc %zu bytes", size);
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GC::AllocBytes += _msize(block);
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return block;
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}
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void *M_Realloc_Dbg(void *memblock, size_t size, const char *file, int lineno)
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{
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if (memblock != NULL)
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{
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GC::AllocBytes -= _msize(memblock);
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}
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void *block = _realloc_dbg(memblock, size, _NORMAL_BLOCK, file, lineno);
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if (block == NULL)
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{
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I_FatalError("Could not realloc %zu bytes", size);
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}
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GC::AllocBytes += _msize(block);
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return block;
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}
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#endif
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void M_Free (void *block)
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{
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if (block != NULL)
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{
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GC::AllocBytes -= _msize(block);
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free(block);
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}
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}
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