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- migrated to GZDoom's utility code.

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Christoph Oelckers 2020-04-11 23:50:43 +02:00
parent 2a9813eb5c
commit f671eb622f
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source/common/utility/m_alloc.h Normal file
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/*
** m_alloc.h
**
**---------------------------------------------------------------------------
** Copyright 1998-2008 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#ifndef __M_ALLOC_H__
#define __M_ALLOC_H__
#include <stdlib.h>
#include <string.h>
#if defined(__APPLE__)
#define _msize(p) malloc_size(p)
#elif defined(__solaris__) || defined(__OpenBSD__)
#define _msize(p) (*((size_t*)(p)-1))
#elif !defined(_WIN32)
#define _msize(p) malloc_usable_size(p) // from glibc/FreeBSD
#endif
// These are the same as the same stdlib functions,
// except they bomb out with a fatal error
// when they can't get the memory.
#if defined(_DEBUG)
#define M_Calloc(s,t) M_Calloc_Dbg(s, t, __FILE__, __LINE__)
#define M_Malloc(s) M_Malloc_Dbg(s, __FILE__, __LINE__)
#define M_Realloc(p,s) M_Realloc_Dbg(p, s, __FILE__, __LINE__)
void *M_Malloc_Dbg (size_t size, const char *file, int lineno);
void *M_Realloc_Dbg (void *memblock, size_t size, const char *file, int lineno);
inline void* M_Calloc_Dbg(size_t v1, size_t v2, const char* file, int lineno)
{
auto p = M_Malloc_Dbg(v1 * v2, file, lineno);
memset(p, 0, v1 * v2);
return p;
}
#else
void *M_Malloc (size_t size);
void *M_Realloc (void *memblock, size_t size);
inline void* M_Calloc(size_t v1, size_t v2)
{
auto p = M_Malloc(v1 * v2);
memset(p, 0, v1 * v2);
return p;
}
#endif
void M_Free (void *memblock);
#endif //__M_ALLOC_H__