/* obstack.c - subroutines used implicitly by object stack macros
- Copyright (C) 1988-1994,96,97,98,1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1988-1994,96,97,98,99,2000 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.
register long obj_size = h->next_free - h->object_base;
register long i;
long already;
+ char *object_base;
/* Compute size for new chunk. */
- new_size = (obj_size + length) + (obj_size >> 3) + 100;
+ new_size = (obj_size + length) + (obj_size >> 3) + h->alignment_mask + 100;
if (new_size < h->chunk_size)
new_size = h->chunk_size;
new_chunk->prev = old_chunk;
new_chunk->limit = h->chunk_limit = (char *) new_chunk + new_size;
+ /* Compute an aligned object_base in the new chunk */
+ object_base =
+ __INT_TO_PTR ((__PTR_TO_INT (new_chunk->contents) + h->alignment_mask)
+ & ~ (h->alignment_mask));
+
/* Move the existing object to the new chunk.
Word at a time is fast and is safe if the object
is sufficiently aligned. */
{
for (i = obj_size / sizeof (COPYING_UNIT) - 1;
i >= 0; i--)
- ((COPYING_UNIT *)new_chunk->contents)[i]
+ ((COPYING_UNIT *)object_base)[i]
= ((COPYING_UNIT *)h->object_base)[i];
/* We used to copy the odd few remaining bytes as one extra COPYING_UNIT,
but that can cross a page boundary on a machine
already = 0;
/* Copy remaining bytes one by one. */
for (i = already; i < obj_size; i++)
- new_chunk->contents[i] = h->object_base[i];
+ object_base[i] = h->object_base[i];
/* If the object just copied was the only data in OLD_CHUNK,
free that chunk and remove it from the chain.
CALL_FREEFUN (h, old_chunk);
}
- h->object_base = new_chunk->contents;
+ h->object_base = object_base;
h->next_free = h->object_base + obj_size;
/* The new chunk certainly contains no empty object yet. */
h->maybe_empty_object = 0;
\f
/* Define the error handler. */
# ifndef _
-# ifdef HAVE_LIBINTL_H
+# if defined HAVE_LIBINTL_H || defined _LIBC
# include <libintl.h>
# ifndef _
# define _(Str) gettext (Str)