xref: /openbsd/gnu/usr.bin/texinfo/info/gc.h (revision 771fbea0)
1 /* gc.h -- Functions for garbage collecting unused node contents.
2    $Id: gc.h,v 1.3 2006/07/17 16:12:36 espie Exp $
3 
4    This file is part of GNU Info, a program for reading online documentation
5    stored in Info format.
6 
7    Copyright (C) 1993, 1997, 2004 Free Software Foundation, Inc.
8 
9    This program is free software; you can redistribute it and/or modify
10    it under the terms of the GNU General Public License as published by
11    the Free Software Foundation; either version 2, or (at your option)
12    any later version.
13 
14    This program is distributed in the hope that it will be useful,
15    but WITHOUT ANY WARRANTY; without even the implied warranty of
16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17    GNU General Public License for more details.
18 
19    You should have received a copy of the GNU General Public License
20    along with this program; if not, write to the Free Software
21    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 
23    Written by Brian Fox (bfox@ai.mit.edu). */
24 
25 #ifndef INFO_GC_H
26 #define INFO_GC_H
27 
28 /* Add POINTER to the list of garbage collectible pointers.  A pointer
29    is not actually garbage collected until no info window contains a node
30    whose contents member is equal to the pointer. */
31 extern void add_gcable_pointer (char *pointer);
32 
33 /* Grovel the list of info windows and gc-able pointers finding those
34    node->contents which are collectible, and free them. */
35 extern void gc_pointers (void);
36 
37 #endif /* not INFO_GC_H */
38