cdesktopenv/cde/lib/tt/mini_isam/isalloc.c

114 lines
2.5 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they 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 these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
/*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
/*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
/*%% (c) Copyright 1993, 1994 Novell, Inc. */
/*%% $XConsortium: isalloc.c /main/3 1995/10/23 11:33:43 rswiston $ */
#ifndef lint
static char sccsid[] = "@(#)isalloc.c 1.3 89/07/17 Copyr 1988 Sun Micro";
#endif
/*
* Copyright (c) 1988 by Sun Microsystems, Inc.
*/
/*
* isalloc.c
*
* Description:
* Functions that allocate and deallocate memory.
* All errors are treated as fatal.
*/
#include "isam_impl.h"
#include <stdlib.h>
/* strdup is not defined in Ultrix' string.h, so it is implemented in a separate
* file named strdup.ultrix.c
*/
#ifdef __ultrix__
extern char *strdup();
#endif
/*
* _ismalloc(nbytes)
*
* Allocate nbytes.
*/
char *_ismalloc(nbytes)
unsigned int nbytes;
{
register char *p;
if ((p = (char *) malloc (nbytes)) == NULL)
_isfatal_error("malloc() failed");
return (p);
}
char *_isrealloc(oldaddr, nbytes)
char *oldaddr;
unsigned int nbytes;
{
register char *p;
if ((p = (char *) realloc (oldaddr, nbytes)) == NULL)
_isfatal_error("realloc() failed");
return (p);
}
/*
* _isallocstring(str)
*
* Create a duplicate of string in dynamic memory.
*/
char *
_isallocstring(str)
char *str;
{
register char *p;
if ((p = strdup(str)) == NULL)
_isfatal_error("strdup() failed");
return (p);
}
/*
* _isfreestring(str)
*
* Free dynamically allocated string.
*/
void
_isfreestring(str)
char *str;
{
assert(str != NULL);
free(str);
}