www.pudn.com > bison.zip > new.h

/* Storage allocation interface for bison, 
   Copyright (C) 1984, 1989 Free Software Foundation, Inc. 
 
This file is part of Bison, the GNU Compiler Compiler. 
 
Bison is free software; you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published by 
the Free Software Foundation; either version 2, or (at your option) 
any later version. 
 
Bison 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 General Public License for more details. 
 
You should have received a copy of the GNU General Public License 
along with Bison; see the file COPYING.  If not, write to 
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */ 
 
 
#define	NEW(t)		((t *) xmalloc((unsigned) sizeof(t))) 
#define	NEW2(n, t)	((t *) xmalloc((unsigned) ((n) * sizeof(t)))) 
 
#ifdef __STDC__ 
#define	FREE(x)		(x ? (void) free((char *) (x)) : (void)0) 
#else 
#define FREE(x) 	((x) != 0 && (free ((char *) (x)), 0)) 
#endif 
 
extern	char *xmalloc(); 
extern	char *xrealloc();