* atanl.c, logl.c: Add GPL notice, and make the code more similar to glibc.

[gnulib.git] / lib / obstack.h

diff --git a/lib/obstack.h b/lib/obstack.h
index 8170bf2..46a1cb7 100644 (file)
--- a/lib/obstack.h
+++ b/lib/obstack.h
@@ -183,52 +183,16 @@ struct obstack            /* control current object in current chunk */
 /* 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);
-
+\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
@@ -242,7 +206,7 @@ extern int obstack_exit_failure;
    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.  */
 
@@ -323,7 +287,10 @@ __extension__                                                              \
 # 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__                                                          \
@@ -447,7 +414,10 @@ __extension__                                                              \
  (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