cdrtools/libparanoia/pmalloc.c

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2025-06-15 04:19:58 +08:00
/* @(#)pmalloc.c 1.7 09/07/11 Copyright 2004-2009 J. Schilling */
#include <schily/mconfig.h>
#ifndef lint
static UConst char sccsid[] =
"@(#)pmalloc.c 1.7 09/07/11 Copyright 2004-2009 J. Schilling";
#endif
/*
* Paranoia malloc() functions
*
* Copyright (c) 2004-2009 J. Schilling
*/
/*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <schily/stdlib.h>
#include <schily/standard.h>
#include <schily/schily.h>
#include "pmalloc.h"
#ifdef PM_ADD_DEBUG
LOCAL int madd = 8192;
LOCAL int cadd = 8192;
LOCAL int radd = 8192;
#else
LOCAL int madd = 0;
/*LOCAL int cadd = 0;*/
LOCAL int radd = 0;
#endif
EXPORT void
_pfree(ptr)
void *ptr;
{
if (ptr)
free(ptr);
}
EXPORT void *
_pmalloc(size)
size_t size;
{
void *p;
p = malloc(size + madd);
if (p == NULL)
raisecond("NO MEM", 0L);
return (p);
}
EXPORT void *
_pcalloc(nelem, elsize)
size_t nelem;
size_t elsize;
{
void *p;
#ifdef PM_ADD_DEBUG
size_t n = nelem * elsize;
n += cadd;
p = calloc(1, n);
#else
p = calloc(nelem, elsize);
#endif
if (p == NULL)
raisecond("NO MEM", 0L);
return (p);
}
EXPORT void *
_prealloc(ptr, size)
void *ptr;
size_t size;
{
void *p;
if (ptr == 0)
return (_pmalloc(size));
p = realloc(ptr, size + radd);
if (p == NULL)
raisecond("NO MEM", 0L);
return (p);
}