/* obstack.h - object stack macros
Copyright (C) 1988,89,90,91,92,93,94,96,97 Free Software Foundation, Inc.
- This file is part of the GNU C Library. Its master source is NOT part of
the C library, however. The master source lives in /gd/gnu/lib.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ NOTE: The canonical source of this file is maintained with the GNU C Library.
+ Bugs can be reported to bug-glibc@prep.ai.mit.edu.
- The GNU C Library is distributed in the hope that it will be useful,
+ This program 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.
+
+ This program 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
- Library General Public License for more details.
+ 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 Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
/* Summary:
/* Don't do the contents of this file more than once. */
-#ifndef __OBSTACK_H__
-#define __OBSTACK_H__
+#ifndef _OBSTACK_H
+#define _OBSTACK_H 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
\f
/* We use subtraction of (char *) 0 instead of casting to int
because on word-addressable machines a simple cast to int
#define obstack_specify_allocation_with_arg(h, size, alignment, chunkfun, freefun, arg) \
_obstack_begin_1 ((h), (size), (alignment), \
- (void *(*) (long)) (chunkfun), (void (*) (void *)) (freefun), (arg))
+ (void *(*) (void *, long)) (chunkfun), \
+ (void (*) (void *, void *)) (freefun), (arg))
#define obstack_chunkfun(h, newchunkfun) \
- ((h) -> chunkfun = (struct _obstack_chunk *(*)(long)) (newchunkfun))
+ ((h) -> chunkfun = (struct _obstack_chunk *(*)(void *, long)) (newchunkfun))
#define obstack_freefun(h, newfreefun) \
- ((h) -> freefun = (void (*)(void *)) (newfreefun))
+ ((h) -> freefun = (void (*)(void *, struct _obstack_chunk *)) (newfreefun))
#else
_obstack_newchunk (__o, __len); \
(void) 0; })
+#define obstack_empty_p(OBSTACK) \
+ __extension__ \
+ ({ struct obstack *__o = (OBSTACK); \
+ (__o->chunk->prev == 0 && __o->next_free - __o->chunk->contents == 0); })
+
#define obstack_grow(OBSTACK,where,length) \
__extension__ \
({ struct obstack *__o = (OBSTACK); \
#define obstack_room(h) \
(unsigned) ((h)->chunk_limit - (h)->next_free)
+#define obstack_empty_p(h) \
+ ((h)->chunk->prev == 0 && (h)->next_free - (h)->chunk->contents == 0)
+
/* Note that the call to _obstack_newchunk is enclosed in (..., 0)
so that we can avoid having void expressions
in the arms of the conditional expression.
#endif /* not __GNUC__ or not __STDC__ */
-#endif /* not __OBSTACK_H__ */
+#ifdef __cplusplus
+} /* C++ */
+#endif
+
+#endif /* obstack.h */