96 lines
1.7 KiB
C
96 lines
1.7 KiB
C
/*
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* Copyright (C) 1998,1999 Nikos Mavroyanopoulos
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* $Id: xmemory.c,v 1.3 2001/05/17 18:58:20 nmav Exp $ */
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#ifndef LIBDEFS_H
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# define LIBDEFS_H
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# include <libdefs.h>
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#endif
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#include <bzero.h>
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#ifdef HAVE_MLOCK
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# ifdef HAVE_SYS_MMAN_H
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# include <sys/mman.h>
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# endif
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#endif
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#ifdef HAVE_MLOCK
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void LOCKMEM(void *x, size_t size)
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{
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mlock(x, size);
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}
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# define UNLOCKMEM(x,y) munlock(x,y)
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#else
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# define LOCKMEM(x,y)
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# define UNLOCKMEM(x,y)
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#endif
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#include <bzero.h>
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/* memory allocation */
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void *mxmalloc(size_t size)
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{
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char *x;
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x = malloc(size);
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if (x != NULL) {
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LOCKMEM(x, size);
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return x;
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}
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return NULL;
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}
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void *mxcalloc(size_t nmemb, size_t size)
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{
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char *x;
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x = calloc(nmemb, size);
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if (x != NULL) {
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LOCKMEM(x, size);
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return x;
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}
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return NULL;
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}
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void *mxrealloc(void *ptr, size_t size)
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{
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char *x;
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x = realloc(ptr, size);
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if (x != NULL) {
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LOCKMEM(x, size);
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return x;
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}
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return NULL;
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}
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void mxfree(void *ptr, size_t size)
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{
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Bzero(ptr, size);
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UNLOCKMEM(ptr, size);
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free(ptr);
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}
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