/* 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, 1996-1999, 2000-2002 Free Software Foundation, Inc.
+ 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 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.
-
- The GNU C Library is distributed in the hope that it will be useful,
+ 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. */
#ifdef HAVE_CONFIG_H
# include <config.h>
files, it is simpler to just do this in the source for each such file. */
#include <stdio.h> /* Random thing to get __GNU_LIBRARY__. */
-#if !defined (_LIBC) && defined (__GNU_LIBRARY__) && __GNU_LIBRARY__ > 1
+#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1
# include <gnu-versions.h>
# if _GNU_OBSTACK_INTERFACE_VERSION == OBSTACK_INTERFACE_VERSION
# define ELIDE_CODE
# endif
#endif
+#if defined _LIBC && defined USE_IN_LIBIO
+# include <wchar.h>
+#endif
#ifndef ELIDE_CODE
-# if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
# define POINTER void *
# else
# define POINTER char *
abort gracefully or use longjump - but shouldn't return. This
variable by default points to the internal function
`print_and_abort'. */
-# if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
static void print_and_abort (void);
void (*obstack_alloc_failed_handler) (void) = print_and_abort;
# else
For free, do not use ?:, since some compilers, like the MIPS compilers,
do not allow (expr) ? void : void. */
-# if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
# define CALL_CHUNKFUN(h, size) \
(((h) -> use_extra_arg) \
? (*(h)->chunkfun) ((h)->extra_arg, (size)) \
struct obstack *h;
int size;
int alignment;
-# if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
POINTER (*chunkfun) (long);
void (*freefun) (void *);
# else
size = 4096 - extra;
}
-# if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
h->chunkfun = (struct _obstack_chunk * (*)(void *, long)) chunkfun;
h->freefun = (void (*) (void *, struct _obstack_chunk *)) freefun;
# else
struct obstack *h;
int size;
int alignment;
-# if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
POINTER (*chunkfun) (POINTER, long);
void (*freefun) (POINTER, POINTER);
# else
size = 4096 - extra;
}
-# if defined(__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
h->chunkfun = (struct _obstack_chunk * (*)(void *,long)) chunkfun;
h->freefun = (void (*) (void *, struct _obstack_chunk *)) freefun;
# else
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;
This is here for debugging.
If you use it in a program, you are probably losing. */
-# if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
/* Suppress -Wmissing-prototypes warning. We don't want to declare this in
obstack.h because it is just for debugging. */
int _obstack_allocated_p (struct obstack *h, POINTER obj);
}
\f
/* Define the error handler. */
-# ifndef _
-# ifdef HAVE_LIBINTL_H
-# include <libintl.h>
-# ifndef _
-# define _(Str) gettext (Str)
-# endif
-# else
-# define _(Str) (Str)
-# endif
+# ifdef _LIBC
+# include <libintl.h>
+# else
+# include "gettext.h"
# endif
+# define _(msgid) gettext (msgid)
+
# if defined _LIBC && defined USE_IN_LIBIO
# include <libio/iolibio.h>
# define fputs(s, f) _IO_fputs (s, f)
# endif
+# ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
+# define __attribute__(Spec) /* empty */
+# endif
+# endif
+
static void
+__attribute__ ((noreturn))
print_and_abort ()
{
- fputs (_("memory exhausted"), stderr);
- fputc ('\n', stderr);
+ /* Don't change any of these strings. Yes, it would be possible to add
+ the newline to the string and use fputs or so. But this must not
+ happen because the "memory exhausted" message appears in other places
+ like this and the translation should be reused instead of creating
+ a very similar string which requires a separate translation. */
+# if defined _LIBC && defined USE_IN_LIBIO
+ if (_IO_fwide (stderr, 0) > 0)
+ __fwprintf (stderr, L"%s\n", _("memory exhausted"));
+ else
+# endif
+ fprintf (stderr, "%s\n", _("memory exhausted"));
exit (obstack_exit_failure);
}
\f
/* Now define the functional versions of the obstack macros.
Define them to simply use the corresponding macros to do the job. */
-# if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
/* These function definitions do not work with non-ANSI preprocessors;
they won't pass through the macro names in parentheses. */
return obstack_make_room (obstack, length);
}
-void (obstack_grow) (obstack, pointer, length)
+void (obstack_grow) (obstack, data, length)
struct obstack *obstack;
- POINTER pointer;
+ const POINTER data;
int length;
{
- obstack_grow (obstack, pointer, length);
+ obstack_grow (obstack, data, length);
}
-void (obstack_grow0) (obstack, pointer, length)
+void (obstack_grow0) (obstack, data, length)
struct obstack *obstack;
- POINTER pointer;
+ const POINTER data;
int length;
{
- obstack_grow0 (obstack, pointer, length);
+ obstack_grow0 (obstack, data, length);
}
void (obstack_1grow) (obstack, character)
return obstack_alloc (obstack, length);
}
-POINTER (obstack_copy) (obstack, pointer, length)
+POINTER (obstack_copy) (obstack, address, length)
struct obstack *obstack;
- POINTER pointer;
+ const POINTER address;
int length;
{
- return obstack_copy (obstack, pointer, length);
+ return obstack_copy (obstack, address, length);
}
-POINTER (obstack_copy0) (obstack, pointer, length)
+POINTER (obstack_copy0) (obstack, address, length)
struct obstack *obstack;
- POINTER pointer;
+ const POINTER address;
int length;
{
- return obstack_copy0 (obstack, pointer, length);
+ return obstack_copy0 (obstack, address, length);
}
# endif /* __STDC__ */
projects / gnulib.git / blobdiff