/* obstack.h - object stack macros
- Copyright (C) 1988-1994,1996-1999,2003,2004 Free Software Foundation, Inc.
+ Copyright (C) 1988-1994,1996-1999,2003,2004,2005,2006
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
- 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.
-
- NOTE: The canonical source of this file is maintained with the GNU C Library.
- Bugs can be reported to bug-glibc@gnu.org.
-
- This program is free software; you can redistribute it and/or modify
+ 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.
+ the Free Software Foundation; either version 3 of the License, 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 General Public License for more details.
- 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Summary:
/* Declare the external functions we use; they are in obstack.c. */
extern void _obstack_newchunk (struct obstack *, int);
-extern void _obstack_free (struct obstack *, void *);
extern int _obstack_begin (struct obstack *, int, int,
void *(*) (long), void (*) (void *));
extern int _obstack_begin_1 (struct obstack *, int, int,
void *(*) (void *, long),
void (*) (void *, void *), void *);
extern int _obstack_memory_used (struct obstack *);
-\f
-/* Do the function-declarations after the structs
- but before defining the macros. */
-
-void obstack_init (struct obstack *obstack);
-
-void * obstack_alloc (struct obstack *obstack, int size);
-
-void * obstack_copy (struct obstack *obstack, const void *address, int size);
-void * obstack_copy0 (struct obstack *obstack, const void *address, int size);
-
-void obstack_free (struct obstack *obstack, void *block);
-
-void obstack_blank (struct obstack *obstack, int size);
-void obstack_grow (struct obstack *obstack, const void *data, int size);
-void obstack_grow0 (struct obstack *obstack, const void *data, int size);
-
-void obstack_1grow (struct obstack *obstack, int data_char);
-void obstack_ptr_grow (struct obstack *obstack, const void *data);
-void obstack_int_grow (struct obstack *obstack, int data);
-
-void * obstack_finish (struct obstack *obstack);
-
-int obstack_object_size (struct obstack *obstack);
-
-int obstack_room (struct obstack *obstack);
-void obstack_make_room (struct obstack *obstack, int size);
-void obstack_1grow_fast (struct obstack *obstack, int data_char);
-void obstack_ptr_grow_fast (struct obstack *obstack, const void *data);
-void obstack_int_grow_fast (struct obstack *obstack, int data);
-void obstack_blank_fast (struct obstack *obstack, int size);
-
-void * obstack_base (struct obstack *obstack);
-void * obstack_next_free (struct obstack *obstack);
-int obstack_alignment_mask (struct obstack *obstack);
-int obstack_chunk_size (struct obstack *obstack);
-int obstack_memory_used (struct obstack *obstack);
+/* The default name of the function for freeing a chunk is 'obstack_free',
+ but gnulib users can override this by defining '__obstack_free'. */
+#ifndef __obstack_free
+# define __obstack_free obstack_free
+#endif
+extern void __obstack_free (struct obstack *obstack, void *block);
+\f
/* Error handler called when `obstack_chunk_alloc' failed to allocate
more memory. This can be set to a user defined function which
should either abort gracefully or use longjump - but shouldn't
Note that this might not be the final address of the object
because a new chunk might be needed to hold the final size. */
-#define obstack_base(h) ((h)->object_base)
+#define obstack_base(h) ((void *) (h)->object_base)
/* Size for allocating ordinary chunks. */
# define obstack_empty_p(OBSTACK) \
__extension__ \
({ struct obstack const *__o = (OBSTACK); \
- (__o->chunk->prev == 0 && __o->next_free - __o->chunk->contents == 0); })
+ (__o->chunk->prev == 0 \
+ && __o->next_free == __PTR_ALIGN ((char *) __o->chunk, \
+ __o->chunk->contents, \
+ __o->alignment_mask)); })
# define obstack_grow(OBSTACK,where,length) \
__extension__ \
void *__obj = (OBJ); \
if (__obj > (void *)__o->chunk && __obj < (void *)__o->chunk_limit) \
__o->next_free = __o->object_base = (char *)__obj; \
- else (obstack_free) (__o, __obj); })
+ else (__obstack_free) (__o, __obj); })
\f
#else /* not __GNUC__ or not __STDC__ */
(unsigned) ((h)->chunk_limit - (h)->next_free)
# define obstack_empty_p(h) \
- ((h)->chunk->prev == 0 && (h)->next_free - (h)->chunk->contents == 0)
+ ((h)->chunk->prev == 0 \
+ && (h)->next_free == __PTR_ALIGN ((char *) (h)->chunk, \
+ (h)->chunk->contents, \
+ (h)->alignment_mask))
/* Note that the call to _obstack_newchunk is enclosed in (..., 0)
so that we can avoid having void expressions
(((const void **) ((h)->next_free += sizeof (void *)))[-1] = (aptr))
# define obstack_int_grow_fast(h,aint) \
- (((int *) ((h)->next_free += sizeof (int)))[-1] = (aptr))
+ (((int *) ((h)->next_free += sizeof (int)))[-1] = (aint))
# define obstack_blank(h,length) \
( (h)->temp.tempint = (length), \
&& (h)->temp.tempint < (h)->chunk_limit - (char *) (h)->chunk)) \
? (int) ((h)->next_free = (h)->object_base \
= (h)->temp.tempint + (char *) (h)->chunk) \
- : (((obstack_free) ((h), (h)->temp.tempint + (char *) (h)->chunk), 0), 0)))
+ : (((__obstack_free) ((h), (h)->temp.tempint + (char *) (h)->chunk), 0), 0)))
#endif /* not __GNUC__ or not __STDC__ */