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/* Set operations on pointers
Copyright (C) 2004 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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.
GCC 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 GCC; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#ifndef POINTER_SET_H
#define POINTER_SET_H
struct pointer_set_t;
struct pointer_set_iter_t {
void* elem;
int slot;
};
#define POINTER_SET_ITER_ELEM(it) ((it).elem)
#define POINTER_SET_ITER_IS_END(it) ((it).slot < 0)
struct pointer_set_t *pointer_set_create (void);
void pointer_set_destroy (struct pointer_set_t *pset);
int pointer_set_contains (struct pointer_set_t *pset, void *p);
int pointer_set_insert (struct pointer_set_t *pset, void *p);
struct pointer_set_iter_t pointer_set_begin (struct pointer_set_t *pset);
struct pointer_set_iter_t pointer_set_next (struct pointer_set_t *pset,
struct pointer_set_iter_t it);
#endif /* POINTER_SET_H */
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