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/*
* Copyright (C) 1998,1999 Nikos Mavroyanopoulos
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* $Id: xmemory.c,v 1.3 2001/05/17 18:58:20 nmav Exp $ */
#ifndef LIBDEFS_H
# define LIBDEFS_H
# include <libdefs.h>
#endif
#include <bzero.h>
#ifdef HAVE_MLOCK
# ifdef HAVE_SYS_MMAN_H
# include <sys/mman.h>
# endif
#endif
#ifdef HAVE_MLOCK
void LOCKMEM(void *x, size_t size)
{
mlock(x, size);
}
# define UNLOCKMEM(x,y) munlock(x,y)
#else
# define LOCKMEM(x,y)
# define UNLOCKMEM(x,y)
#endif
#include <bzero.h>
/* memory allocation */
void *mxmalloc(size_t size)
{
char *x;
x = malloc(size);
if (x != NULL) {
LOCKMEM(x, size);
return x;
}
return NULL;
}
void *mxcalloc(size_t nmemb, size_t size)
{
char *x;
x = calloc(nmemb, size);
if (x != NULL) {
LOCKMEM(x, size);
return x;
}
return NULL;
}
void *mxrealloc(void *ptr, size_t size)
{
char *x;
x = realloc(ptr, size);
if (x != NULL) {
LOCKMEM(x, size);
return x;
}
return NULL;
}
void mxfree(void *ptr, size_t size)
{
Bzero(ptr, size);
UNLOCKMEM(ptr, size);
free(ptr);
}
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