/* obstack.c - subroutines used implicitly by object stack macros
- Copyright (C) 1988-1994,96,97,98,99,2000 Free Software Foundation, Inc.
-
+ Copyright (C) 1988-1994,96,97,98,99,2000,2001 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.
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.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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.
+ Lesser 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 Lesser General Public
+ License along with the GNU C Library; 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>
+# include <config.h>
#endif
#include "obstack.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
-#include <gnu-versions.h>
-#if _GNU_OBSTACK_INTERFACE_VERSION == OBSTACK_INTERFACE_VERSION
-#define ELIDE_CODE
-#endif
+#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__
-#define POINTER void *
-#else
-#define POINTER char *
-#endif
+# if defined __STDC__ && __STDC__
+# define POINTER void *
+# else
+# define POINTER char *
+# endif
/* Determine default alignment. */
struct fooalign {char x; double d;};
-#define DEFAULT_ALIGNMENT \
+# define DEFAULT_ALIGNMENT \
((PTR_INT_TYPE) ((char *) &((struct fooalign *) 0)->d - (char *) 0))
/* If malloc were really smart, it would round addresses to DEFAULT_ALIGNMENT.
But in fact it might be less smart and round addresses to as much as
DEFAULT_ROUNDING. So we prepare for it to do that. */
union fooround {long x; double d;};
-#define DEFAULT_ROUNDING (sizeof (union fooround))
+# define DEFAULT_ROUNDING (sizeof (union fooround))
/* When we copy a long block of data, this is the unit to do it with.
On some machines, copying successive ints does not work;
in such a case, redefine COPYING_UNIT to `long' (if that works)
or `char' as a last resort. */
-#ifndef COPYING_UNIT
-#define COPYING_UNIT int
-#endif
+# ifndef COPYING_UNIT
+# define COPYING_UNIT int
+# endif
/* The functions allocating more room by calling `obstack_chunk_alloc'
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
+# else
static void print_and_abort ();
void (*obstack_alloc_failed_handler) () = print_and_abort;
-#endif
+# endif
/* Exit value used when `print_and_abort' is used. */
-#if defined __GNU_LIBRARY__ || defined HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifndef EXIT_FAILURE
-#define EXIT_FAILURE 1
-#endif
+# if defined __GNU_LIBRARY__ || defined HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+# ifndef EXIT_FAILURE
+# define EXIT_FAILURE 1
+# endif
int obstack_exit_failure = EXIT_FAILURE;
/* The non-GNU-C macros copy the obstack into this global variable
For free, do not use ?:, since some compilers, like the MIPS compilers,
do not allow (expr) ? void : void. */
-#if defined (__STDC__) && __STDC__
-#define CALL_CHUNKFUN(h, size) \
+# if defined __STDC__ && __STDC__
+# define CALL_CHUNKFUN(h, size) \
(((h) -> use_extra_arg) \
? (*(h)->chunkfun) ((h)->extra_arg, (size)) \
: (*(struct _obstack_chunk *(*) (long)) (h)->chunkfun) ((size)))
-#define CALL_FREEFUN(h, old_chunk) \
+# define CALL_FREEFUN(h, old_chunk) \
do { \
if ((h) -> use_extra_arg) \
(*(h)->freefun) ((h)->extra_arg, (old_chunk)); \
else \
(*(void (*) (void *)) (h)->freefun) ((old_chunk)); \
} while (0)
-#else
-#define CALL_CHUNKFUN(h, size) \
+# else
+# define CALL_CHUNKFUN(h, size) \
(((h) -> use_extra_arg) \
? (*(h)->chunkfun) ((h)->extra_arg, (size)) \
: (*(struct _obstack_chunk *(*) ()) (h)->chunkfun) ((size)))
-#define CALL_FREEFUN(h, old_chunk) \
+# define CALL_FREEFUN(h, old_chunk) \
do { \
if ((h) -> use_extra_arg) \
(*(h)->freefun) ((h)->extra_arg, (old_chunk)); \
else \
(*(void (*) ()) (h)->freefun) ((old_chunk)); \
} while (0)
-#endif
+# endif
\f
/* Initialize an obstack H for use. Specify chunk size SIZE (0 means default).
struct obstack *h;
int size;
int alignment;
-#if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
POINTER (*chunkfun) (long);
void (*freefun) (void *);
-#else
+# else
POINTER (*chunkfun) ();
void (*freefun) ();
-#endif
+# endif
{
register struct _obstack_chunk *chunk; /* points to new chunk */
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
+# else
h->chunkfun = (struct _obstack_chunk * (*)()) chunkfun;
h->freefun = freefun;
-#endif
+# endif
h->chunk_size = size;
h->alignment_mask = alignment - 1;
h->use_extra_arg = 0;
struct obstack *h;
int size;
int alignment;
-#if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
POINTER (*chunkfun) (POINTER, long);
void (*freefun) (POINTER, POINTER);
-#else
+# else
POINTER (*chunkfun) ();
void (*freefun) ();
-#endif
+# endif
POINTER arg;
{
register struct _obstack_chunk *chunk; /* points to new chunk */
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
+# else
h->chunkfun = (struct _obstack_chunk * (*)()) chunkfun;
h->freefun = freefun;
-#endif
+# endif
h->chunk_size = size;
h->alignment_mask = alignment - 1;
h->extra_arg = arg;
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);
-#endif
+# endif
int
_obstack_allocated_p (h, obj)
/* Free objects in obstack H, including OBJ and everything allocate
more recently than OBJ. If OBJ is zero, free everything in H. */
-#undef obstack_free
+# undef obstack_free
/* This function has two names with identical definitions.
This is the first one, called from non-ANSI code. */
}
\f
/* Define the error handler. */
-#ifndef _
-# if defined HAVE_LIBINTL_H || defined _LIBC
-# include <libintl.h>
-# ifndef _
-# define _(Str) gettext (Str)
+# ifndef _
+# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
+# include <libintl.h>
+# ifndef _
+# define _(Str) gettext (Str)
+# endif
+# else
+# define _(Str) (Str)
+# endif
+# endif
+# 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
-# else
-# define _(Str) (Str)
# endif
-#endif
-#if defined _LIBC && defined USE_IN_LIBIO
-# include <libio/iolibio.h>
-# define fputs(s, f) _IO_fputs (s, f)
-#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
-#if 0
+# if 0
/* These are now turned off because the applications do not use it
and it uses bcopy via obstack_grow, which causes trouble on sysV. */
/* 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_copy0 (obstack, address, length);
}
-#endif /* __STDC__ */
+# endif /* __STDC__ */
-#endif /* 0 */
+# endif /* 0 */
#endif /* !ELIDE_CODE */
projects / bison.git / blobdiff