/* obstack.c - subroutines used implicitly by object stack macros
- Copyright (C) 1988,89,90,91,92,93,94,96,97 Free Software Foundation, Inc.
+ Copyright (C) 1988-2024 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ The GNU C Library is free software; you can redistribute it and/or
+ 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.
- NOTE: This source is derived from an old version taken from the GNU C
- Library (glibc).
-
- 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 program is distributed in the hope that it will be useful,
+ 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 General Public License for more details.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
- 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. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "obstack.h"
+#ifdef _LIBC
+# include <obstack.h>
+#else
+# include <config.h>
+# include "obstack.h"
+#endif
-/* NOTE BEFORE MODIFYING THIS FILE: This version number must be
- incremented whenever callers compiled using an old obstack.h can no
- longer properly call the functions in this obstack.c. */
-#define OBSTACK_INTERFACE_VERSION 1
+/* NOTE BEFORE MODIFYING THIS FILE: _OBSTACK_INTERFACE_VERSION in
+ obstack.h must be incremented whenever callers compiled using an old
+ obstack.h can no longer properly call the functions in this file. */
/* Comment out all this code if we are using the GNU C Library, and are not
actually compiling the library itself, and the installed library
C Library, but also included in many other GNU distributions. Compiling
and linking in this code is a waste when using the GNU C library
(especially if it is a shared library). Rather than having every GNU
- program understand `configure --with-gnu-libc' and omit the object
+ program understand 'configure --with-gnu-libc' and omit the object
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 \
+ || (_GNU_OBSTACK_INTERFACE_VERSION == 1 \
+ && _OBSTACK_INTERFACE_VERSION == 2 \
+ && defined SIZEOF_INT && defined SIZEOF_SIZE_T \
+ && SIZEOF_INT == SIZEOF_SIZE_T))
+# define _OBSTACK_ELIDE_CODE
+# endif
#endif
+#ifndef _OBSTACK_ELIDE_CODE
+/* If GCC, or if an oddball (testing?) host that #defines __alignof__,
+ use the already-supplied __alignof__. Otherwise, this must be Gnulib
+ (as glibc assumes GCC); defer to Gnulib's alignof_type. */
+# if !defined __GNUC__ && !defined __IBM__ALIGNOF__ && !defined __alignof__
+# if defined __cplusplus
+template <class type> struct alignof_helper { char __slot1; type __slot2; };
+# define __alignof__(type) offsetof (alignof_helper<type>, __slot2)
+# else
+# define __alignof__(type) \
+ offsetof (struct { char __slot1; type __slot2; }, __slot2)
+# endif
+# endif
+# include <stdlib.h>
+# include <stdint.h>
-#ifndef ELIDE_CODE
-
-
-#if defined (__STDC__) && __STDC__
-#define POINTER void *
-#else
-#define POINTER char *
-#endif
+# ifndef MAX
+# define MAX(a,b) ((a) > (b) ? (a) : (b))
+# endif
/* Determine default alignment. */
-struct fooalign {char x; double d;};
-#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))
-
-/* 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
-
-
-/* The functions allocating more room by calling `obstack_chunk_alloc'
- jump to the handler pointed to by `obstack_alloc_failed_handler'.
- This variable by default points to the internal function
- `print_and_abort'. */
-#if defined (__STDC__) && __STDC__
-static void print_and_abort (void);
-void (*obstack_alloc_failed_handler) (void) = print_and_abort;
-#else
-static void print_and_abort ();
-void (*obstack_alloc_failed_handler) () = print_and_abort;
-#endif
+ DEFAULT_ROUNDING. So we prepare for it to do that.
+
+ DEFAULT_ALIGNMENT cannot be an enum constant; see gnulib's alignof.h. */
+#define DEFAULT_ALIGNMENT MAX (__alignof__ (long double), \
+ MAX (__alignof__ (uintmax_t), \
+ __alignof__ (void *)))
+#define DEFAULT_ROUNDING MAX (sizeof (long double), \
+ MAX (sizeof (uintmax_t), \
+ sizeof (void *)))
+
+/* Call functions with either the traditional malloc/free calling
+ interface, or the mmalloc/mfree interface (that adds an extra first
+ argument), based on the value of use_extra_arg. */
+
+static void *
+call_chunkfun (struct obstack *h, size_t size)
+{
+ if (h->use_extra_arg)
+ return h->chunkfun.extra (h->extra_arg, size);
+ else
+ return h->chunkfun.plain (size);
+}
-/* 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
-int obstack_exit_failure = EXIT_FAILURE;
+static void
+call_freefun (struct obstack *h, void *old_chunk)
+{
+ if (h->use_extra_arg)
+ h->freefun.extra (h->extra_arg, old_chunk);
+ else
+ h->freefun.plain (old_chunk);
+}
-/* The non-GNU-C macros copy the obstack into this global variable
- to avoid multiple evaluation. */
-
-struct obstack *_obstack;
-
-/* Define a macro that either calls functions with the traditional malloc/free
- calling interface, or calls functions with the mmalloc/mfree interface
- (that adds an extra first argument), based on the state of use_extra_arg.
- 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) \
- (((h) -> use_extra_arg) \
- ? (*(h)->chunkfun) ((h)->extra_arg, (size)) \
- : (*(struct _obstack_chunk *(*) (long)) (h)->chunkfun) ((size)))
-
-#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) \
- (((h) -> use_extra_arg) \
- ? (*(h)->chunkfun) ((h)->extra_arg, (size)) \
- : (*(struct _obstack_chunk *(*) ()) (h)->chunkfun) ((size)))
-
-#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
-\f
/* Initialize an obstack H for use. Specify chunk size SIZE (0 means default).
Objects start on multiples of ALIGNMENT (0 means use default).
- CHUNKFUN is the function to use to allocate chunks,
- and FREEFUN the function to free them.
- Return nonzero if successful, zero if out of memory.
- To recover from an out of memory error,
- free up some memory, then call this again. */
+ Return nonzero if successful, calls obstack_alloc_failed_handler if
+ allocation fails. */
-int
-_obstack_begin (h, size, alignment, chunkfun, freefun)
- struct obstack *h;
- int size;
- int alignment;
-#if defined (__STDC__) && __STDC__
- POINTER (*chunkfun) (long);
- void (*freefun) (void *);
-#else
- POINTER (*chunkfun) ();
- void (*freefun) ();
-#endif
+static int
+_obstack_begin_worker (struct obstack *h,
+ _OBSTACK_SIZE_T size, _OBSTACK_SIZE_T alignment)
{
- register struct _obstack_chunk *chunk; /* points to new chunk */
+ struct _obstack_chunk *chunk; /* points to new chunk */
if (alignment == 0)
- alignment = (int) DEFAULT_ALIGNMENT;
+ alignment = DEFAULT_ALIGNMENT;
if (size == 0)
/* Default size is what GNU malloc can fit in a 4096-byte block. */
{
/* 12 is sizeof (mhead) and 4 is EXTRA from GNU malloc.
- Use the values for range checking, because if range checking is off,
- the extra bytes won't be missed terribly, but if range checking is on
- and we used a larger request, a whole extra 4096 bytes would be
- allocated.
+ Use the values for range checking, because if range checking is off,
+ the extra bytes won't be missed terribly, but if range checking is on
+ and we used a larger request, a whole extra 4096 bytes would be
+ allocated.
- These number are irrelevant to the new GNU malloc. I suspect it is
- less sensitive to the size of the request. */
+ These number are irrelevant to the new GNU malloc. I suspect it is
+ less sensitive to the size of the request. */
int extra = ((((12 + DEFAULT_ROUNDING - 1) & ~(DEFAULT_ROUNDING - 1))
- + 4 + DEFAULT_ROUNDING - 1)
- & ~(DEFAULT_ROUNDING - 1));
+ + 4 + DEFAULT_ROUNDING - 1)
+ & ~(DEFAULT_ROUNDING - 1));
size = 4096 - extra;
}
-#if defined (__STDC__) && __STDC__
- h->chunkfun = (struct _obstack_chunk * (*)(void *, long)) chunkfun;
- h->freefun = (void (*) (void *, struct _obstack_chunk *)) freefun;
-#else
- h->chunkfun = (struct _obstack_chunk * (*)()) chunkfun;
- h->freefun = freefun;
-#endif
h->chunk_size = size;
h->alignment_mask = alignment - 1;
- h->use_extra_arg = 0;
- chunk = h->chunk = CALL_CHUNKFUN (h, h -> chunk_size);
+ chunk = (struct _obstack_chunk *) call_chunkfun (h, h->chunk_size);
if (!chunk)
(*obstack_alloc_failed_handler) ();
- h->next_free = h->object_base = chunk->contents;
- h->chunk_limit = chunk->limit
- = (char *) chunk + h->chunk_size;
+ h->chunk = chunk;
+ h->next_free = h->object_base = __PTR_ALIGN ((char *) chunk, chunk->contents,
+ alignment - 1);
+ h->chunk_limit = chunk->limit = (char *) chunk + h->chunk_size;
chunk->prev = 0;
/* The initial chunk now contains no empty object. */
h->maybe_empty_object = 0;
}
int
-_obstack_begin_1 (h, size, alignment, chunkfun, freefun, arg)
- struct obstack *h;
- int size;
- int alignment;
-#if defined (__STDC__) && __STDC__
- POINTER (*chunkfun) (POINTER, long);
- void (*freefun) (POINTER, POINTER);
-#else
- POINTER (*chunkfun) ();
- void (*freefun) ();
-#endif
- POINTER arg;
+_obstack_begin (struct obstack *h,
+ _OBSTACK_SIZE_T size, _OBSTACK_SIZE_T alignment,
+ void *(*chunkfun) (size_t),
+ void (*freefun) (void *))
{
- register struct _obstack_chunk *chunk; /* points to new chunk */
-
- if (alignment == 0)
- alignment = (int) DEFAULT_ALIGNMENT;
- if (size == 0)
- /* Default size is what GNU malloc can fit in a 4096-byte block. */
- {
- /* 12 is sizeof (mhead) and 4 is EXTRA from GNU malloc.
- Use the values for range checking, because if range checking is off,
- the extra bytes won't be missed terribly, but if range checking is on
- and we used a larger request, a whole extra 4096 bytes would be
- allocated.
-
- These number are irrelevant to the new GNU malloc. I suspect it is
- less sensitive to the size of the request. */
- int extra = ((((12 + DEFAULT_ROUNDING - 1) & ~(DEFAULT_ROUNDING - 1))
- + 4 + DEFAULT_ROUNDING - 1)
- & ~(DEFAULT_ROUNDING - 1));
- size = 4096 - extra;
- }
+ h->chunkfun.plain = chunkfun;
+ h->freefun.plain = freefun;
+ h->use_extra_arg = 0;
+ return _obstack_begin_worker (h, size, alignment);
+}
-#if defined(__STDC__) && __STDC__
- h->chunkfun = (struct _obstack_chunk * (*)(void *,long)) chunkfun;
- h->freefun = (void (*) (void *, struct _obstack_chunk *)) freefun;
-#else
- h->chunkfun = (struct _obstack_chunk * (*)()) chunkfun;
- h->freefun = freefun;
-#endif
- h->chunk_size = size;
- h->alignment_mask = alignment - 1;
+int
+_obstack_begin_1 (struct obstack *h,
+ _OBSTACK_SIZE_T size, _OBSTACK_SIZE_T alignment,
+ void *(*chunkfun) (void *, size_t),
+ void (*freefun) (void *, void *),
+ void *arg)
+{
+ h->chunkfun.extra = chunkfun;
+ h->freefun.extra = freefun;
h->extra_arg = arg;
h->use_extra_arg = 1;
-
- chunk = h->chunk = CALL_CHUNKFUN (h, h -> chunk_size);
- if (!chunk)
- (*obstack_alloc_failed_handler) ();
- h->next_free = h->object_base = chunk->contents;
- h->chunk_limit = chunk->limit
- = (char *) chunk + h->chunk_size;
- chunk->prev = 0;
- /* The initial chunk now contains no empty object. */
- h->maybe_empty_object = 0;
- h->alloc_failed = 0;
- return 1;
+ return _obstack_begin_worker (h, size, alignment);
}
/* Allocate a new current chunk for the obstack *H
to the beginning of the new one. */
void
-_obstack_newchunk (h, length)
- struct obstack *h;
- int length;
+_obstack_newchunk (struct obstack *h, _OBSTACK_SIZE_T length)
{
- register struct _obstack_chunk *old_chunk = h->chunk;
- register struct _obstack_chunk *new_chunk;
- register long new_size;
- register long obj_size = h->next_free - h->object_base;
- register long i;
- long already;
+ struct _obstack_chunk *old_chunk = h->chunk;
+ struct _obstack_chunk *new_chunk = 0;
+ size_t obj_size = h->next_free - h->object_base;
+ char *object_base;
/* Compute size for new chunk. */
- new_size = (obj_size + length) + (obj_size >> 3) + 100;
+ size_t sum1 = obj_size + length;
+ size_t sum2 = sum1 + h->alignment_mask;
+ size_t new_size = sum2 + (obj_size >> 3) + 100;
+ if (new_size < sum2)
+ new_size = sum2;
if (new_size < h->chunk_size)
new_size = h->chunk_size;
/* Allocate and initialize the new chunk. */
- new_chunk = CALL_CHUNKFUN (h, new_size);
+ if (obj_size <= sum1 && sum1 <= sum2)
+ new_chunk = (struct _obstack_chunk *) call_chunkfun (h, new_size);
if (!new_chunk)
- (*obstack_alloc_failed_handler) ();
+ (*obstack_alloc_failed_handler)();
h->chunk = new_chunk;
new_chunk->prev = old_chunk;
new_chunk->limit = h->chunk_limit = (char *) new_chunk + new_size;
- /* Move the existing object to the new chunk.
- Word at a time is fast and is safe if the object
- is sufficiently aligned. */
- if (h->alignment_mask + 1 >= DEFAULT_ALIGNMENT)
- {
- for (i = obj_size / sizeof (COPYING_UNIT) - 1;
- i >= 0; i--)
- ((COPYING_UNIT *)new_chunk->contents)[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
- which does not do strict alignment for COPYING_UNITS. */
- already = obj_size / sizeof (COPYING_UNIT) * sizeof (COPYING_UNIT);
- }
- else
- already = 0;
- /* Copy remaining bytes one by one. */
- for (i = already; i < obj_size; i++)
- new_chunk->contents[i] = h->object_base[i];
+ /* Compute an aligned object_base in the new chunk */
+ object_base =
+ __PTR_ALIGN ((char *) new_chunk, new_chunk->contents, h->alignment_mask);
+
+ /* Move the existing object to the new chunk. */
+ memcpy (object_base, h->object_base, obj_size);
/* If the object just copied was the only data in OLD_CHUNK,
free that chunk and remove it from the chain.
But not if that chunk might contain an empty object. */
- if (h->object_base == old_chunk->contents && ! h->maybe_empty_object)
+ if (!h->maybe_empty_object
+ && (h->object_base
+ == __PTR_ALIGN ((char *) old_chunk, old_chunk->contents,
+ h->alignment_mask)))
{
new_chunk->prev = old_chunk->prev;
- CALL_FREEFUN (h, old_chunk);
+ 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__
/* 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
+int _obstack_allocated_p (struct obstack *h, void *obj) __attribute_pure__;
int
-_obstack_allocated_p (h, obj)
- struct obstack *h;
- POINTER obj;
+_obstack_allocated_p (struct obstack *h, void *obj)
{
- register struct _obstack_chunk *lp; /* below addr of any objects in this chunk */
- register struct _obstack_chunk *plp; /* point to previous chunk if any */
+ struct _obstack_chunk *lp; /* below addr of any objects in this chunk */
+ struct _obstack_chunk *plp; /* point to previous chunk if any */
lp = (h)->chunk;
/* We use >= rather than > since the object cannot be exactly at
the beginning of the chunk but might be an empty object exactly
at the end of an adjacent chunk. */
- while (lp != 0 && ((POINTER) lp >= obj || (POINTER) (lp)->limit < obj))
+ while (lp != 0 && ((void *) lp >= obj || (void *) (lp)->limit < obj))
{
plp = lp->prev;
lp = plp;
}
return lp != 0;
}
-\f
+
/* 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
-
-/* This function has two names with identical definitions.
- This is the first one, called from non-ANSI code. */
-
void
-_obstack_free (h, obj)
- struct obstack *h;
- POINTER obj;
+_obstack_free (struct obstack *h, void *obj)
{
- register struct _obstack_chunk *lp; /* below addr of any objects in this chunk */
- register struct _obstack_chunk *plp; /* point to previous chunk if any */
+ struct _obstack_chunk *lp; /* below addr of any objects in this chunk */
+ struct _obstack_chunk *plp; /* point to previous chunk if any */
lp = h->chunk;
/* We use >= because there cannot be an object at the beginning of a chunk.
But there can be an empty object at that address
at the end of another chunk. */
- while (lp != 0 && ((POINTER) lp >= obj || (POINTER) (lp)->limit < obj))
+ while (lp != 0 && ((void *) lp >= obj || (void *) (lp)->limit < obj))
{
plp = lp->prev;
- CALL_FREEFUN (h, lp);
+ call_freefun (h, lp);
lp = plp;
/* If we switch chunks, we can't tell whether the new current
- chunk contains an empty object, so assume that it may. */
+ chunk contains an empty object, so assume that it may. */
h->maybe_empty_object = 1;
}
if (lp)
abort ();
}
-/* This function is used from ANSI code. */
-
-void
-obstack_free (h, obj)
- struct obstack *h;
- POINTER obj;
-{
- register struct _obstack_chunk *lp; /* below addr of any objects in this chunk */
- register struct _obstack_chunk *plp; /* point to previous chunk if any */
-
- lp = h->chunk;
- /* We use >= because there cannot be an object at the beginning of a chunk.
- But there can be an empty object at that address
- at the end of another chunk. */
- while (lp != 0 && ((POINTER) lp >= obj || (POINTER) (lp)->limit < obj))
- {
- plp = lp->prev;
- CALL_FREEFUN (h, lp);
- lp = plp;
- /* If we switch chunks, we can't tell whether the new current
- chunk contains an empty object, so assume that it may. */
- h->maybe_empty_object = 1;
- }
- if (lp)
- {
- h->object_base = h->next_free = (char *) (obj);
- h->chunk_limit = lp->limit;
- h->chunk = lp;
- }
- else if (obj != 0)
- /* obj is not in any of the chunks! */
- abort ();
-}
-\f
-int
-_obstack_memory_used (h)
- struct obstack *h;
+_OBSTACK_SIZE_T
+_obstack_memory_used (struct obstack *h)
{
- register struct _obstack_chunk* lp;
- register int nbytes = 0;
+ struct _obstack_chunk *lp;
+ _OBSTACK_SIZE_T nbytes = 0;
for (lp = h->chunk; lp != 0; lp = lp->prev)
{
}
return nbytes;
}
-\f
-/* Define the error handler. */
-#ifndef _
-# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
-# include <libintl.h>
-# ifndef _
-# define _(Str) gettext (Str)
-# endif
-# else
-# define _(Str) (Str)
-# endif
-#endif
-
-static void
-print_and_abort ()
-{
- fputs (_("memory exhausted\n"), stderr);
- exit (obstack_exit_failure);
-}
-\f
-#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__
-/* These function definitions do not work with non-ANSI preprocessors;
- they won't pass through the macro names in parentheses. */
-
-/* The function names appear in parentheses in order to prevent
- the macro-definitions of the names from being expanded there. */
-
-POINTER (obstack_base) (obstack)
- struct obstack *obstack;
-{
- return obstack_base (obstack);
-}
-
-POINTER (obstack_next_free) (obstack)
- struct obstack *obstack;
-{
- return obstack_next_free (obstack);
-}
-
-int (obstack_object_size) (obstack)
- struct obstack *obstack;
-{
- return obstack_object_size (obstack);
-}
-
-int (obstack_room) (obstack)
- struct obstack *obstack;
-{
- return obstack_room (obstack);
-}
-
-int (obstack_make_room) (obstack, length)
- struct obstack *obstack;
- int length;
-{
- return obstack_make_room (obstack, length);
-}
-
-void (obstack_grow) (obstack, pointer, length)
- struct obstack *obstack;
- POINTER pointer;
- int length;
-{
- obstack_grow (obstack, pointer, length);
-}
-
-void (obstack_grow0) (obstack, pointer, length)
- struct obstack *obstack;
- POINTER pointer;
- int length;
-{
- obstack_grow0 (obstack, pointer, length);
-}
-
-void (obstack_1grow) (obstack, character)
- struct obstack *obstack;
- int character;
-{
- obstack_1grow (obstack, character);
-}
-
-void (obstack_blank) (obstack, length)
- struct obstack *obstack;
- int length;
-{
- obstack_blank (obstack, length);
-}
-
-void (obstack_1grow_fast) (obstack, character)
- struct obstack *obstack;
- int character;
-{
- obstack_1grow_fast (obstack, character);
-}
+# ifndef _OBSTACK_NO_ERROR_HANDLER
+/* Define the error handler. */
+# include <stdio.h>
-void (obstack_blank_fast) (obstack, length)
- struct obstack *obstack;
- int length;
-{
- obstack_blank_fast (obstack, length);
-}
+/* Exit value used when 'print_and_abort' is used. */
+# ifdef _LIBC
+int obstack_exit_failure = EXIT_FAILURE;
+# else
+# ifndef EXIT_FAILURE
+# define EXIT_FAILURE 1
+# endif
+# define obstack_exit_failure EXIT_FAILURE
+# endif
-POINTER (obstack_finish) (obstack)
- struct obstack *obstack;
-{
- return obstack_finish (obstack);
-}
+# if defined _LIBC || (HAVE_LIBINTL_H && ENABLE_NLS)
+# include <libintl.h>
+# ifndef _
+# define _(msgid) gettext (msgid)
+# endif
+# else
+# ifndef _
+# define _(msgid) (msgid)
+# endif
+# endif
-POINTER (obstack_alloc) (obstack, length)
- struct obstack *obstack;
- int length;
-{
- return obstack_alloc (obstack, length);
-}
+# if !(defined _Noreturn \
+ || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 201112))
+# if ((defined __GNUC__ \
+ && (__GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8))) \
+ || (defined __SUNPRO_C && __SUNPRO_C >= 0x5110))
+# define _Noreturn __attribute__ ((__noreturn__))
+# elif defined _MSC_VER && _MSC_VER >= 1200
+# define _Noreturn __declspec (noreturn)
+# else
+# define _Noreturn
+# endif
+# endif
-POINTER (obstack_copy) (obstack, pointer, length)
- struct obstack *obstack;
- POINTER pointer;
- int length;
-{
- return obstack_copy (obstack, pointer, length);
-}
+# ifdef _LIBC
+# include <libio/iolibio.h>
+# endif
-POINTER (obstack_copy0) (obstack, pointer, length)
- struct obstack *obstack;
- POINTER pointer;
- int length;
+static _Noreturn void
+print_and_abort (void)
{
- return obstack_copy0 (obstack, pointer, length);
+ /* 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. */
+# ifdef _LIBC
+ (void) __fxprintf (NULL, "%s\n", _("memory exhausted"));
+# else
+ fprintf (stderr, "%s\n", _("memory exhausted"));
+# endif
+ exit (obstack_exit_failure);
}
-#endif /* __STDC__ */
-
-#endif /* 0 */
-
-#endif /* !ELIDE_CODE */
+/* The functions allocating more room by calling 'obstack_chunk_alloc'
+ jump to the handler pointed to by 'obstack_alloc_failed_handler'.
+ This can be set to a user defined function which should either
+ abort gracefully or use longjump - but shouldn't return. This
+ variable by default points to the internal function
+ 'print_and_abort'. */
+void (*obstack_alloc_failed_handler) (void) = print_and_abort;
+# endif /* !_OBSTACK_NO_ERROR_HANDLER */
+#endif /* !_OBSTACK_ELIDE_CODE */
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