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[bison.git] / lib / obstack.h

diff --git a/lib/obstack.h b/lib/obstack.h
index 7a0ee1128c04cbec97b17b837e9c80eaedda58b4..c0fc9ac641d4c8ee14070939012799b3ddbead2f 100644 (file)
--- a/lib/obstack.h
+++ b/lib/obstack.h
@@ -372,12 +372,12 @@ extern int obstack_exit_failure;
 
 # define obstack_object_size(OBSTACK)                                  \
   __extension__                                                                \
 
 # define obstack_object_size(OBSTACK)                                  \
   __extension__                                                                \

-  ({ struct obstack *__o = (OBSTACK);                                  \
+  ({ struct obstack const *__o = (OBSTACK);                            \

      (unsigned) (__o->next_free - __o->object_base); })
 
 # define obstack_room(OBSTACK)                                         \
   __extension__                                                                \
      (unsigned) (__o->next_free - __o->object_base); })
 
 # define obstack_room(OBSTACK)                                         \
   __extension__                                                                \

-  ({ struct obstack *__o = (OBSTACK);                                  \
+  ({ struct obstack const *__o = (OBSTACK);                            \

      (unsigned) (__o->chunk_limit - __o->next_free); })
 
 # define obstack_make_room(OBSTACK,length)                             \
      (unsigned) (__o->chunk_limit - __o->next_free); })
 
 # define obstack_make_room(OBSTACK,length)                             \


@@ -390,7 +390,7 @@ __extension__                                                               \
 
 # define obstack_empty_p(OBSTACK)                                      \
   __extension__                                                                \
 
 # define obstack_empty_p(OBSTACK)                                      \
   __extension__                                                                \

-  ({ struct obstack *__o = (OBSTACK);                                  \
+  ({ struct obstack const *__o = (OBSTACK);                            \

      (__o->chunk->prev == 0 && __o->next_free - __o->chunk->contents == 0); })
 
 # define obstack_grow(OBSTACK,where,length)                            \
      (__o->chunk->prev == 0 && __o->next_free - __o->chunk->contents == 0); })
 
 # define obstack_grow(OBSTACK,where,length)                            \