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/* Copyright (C) 2000-2010 Red Hat, Inc.
This file is part of Red Hat elfutils.
Written by Ulrich Drepper <drepper@redhat.com>, 2000.
Red Hat elfutils 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; version 2 of the License.
Red Hat elfutils 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.
You should have received a copy of the GNU General Public License along
with Red Hat elfutils; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
In addition, as a special exception, Red Hat, Inc. gives You the
additional right to link the code of Red Hat elfutils with code licensed
under any Open Source Initiative certified open source license
(http://www.opensource.org/licenses/index.php) which requires the
distribution of source code with any binary distribution and to
distribute linked combinations of the two. Non-GPL Code permitted under
this exception must only link to the code of Red Hat elfutils through
those well defined interfaces identified in the file named EXCEPTION
found in the source code files (the "Approved Interfaces"). The files
of Non-GPL Code may instantiate templates or use macros or inline
functions from the Approved Interfaces without causing the resulting
work to be covered by the GNU General Public License. Only Red Hat,
Inc. may make changes or additions to the list of Approved Interfaces.
Red Hat's grant of this exception is conditioned upon your not adding
any new exceptions. If you wish to add a new Approved Interface or
exception, please contact Red Hat. You must obey the GNU General Public
License in all respects for all of the Red Hat elfutils code and other
code used in conjunction with Red Hat elfutils except the Non-GPL Code
covered by this exception. If you modify this file, you may extend this
exception to your version of the file, but you are not obligated to do
so. If you do not wish to provide this exception without modification,
you must delete this exception statement from your version and license
this file solely under the GPL without exception.
Red Hat elfutils is an included package of the Open Invention Network.
An included package of the Open Invention Network is a package for which
Open Invention Network licensees cross-license their patents. No patent
license is granted, either expressly or impliedly, by designation as an
included package. Should you wish to participate in the Open Invention
Network licensing program, please visit www.openinventionnetwork.com
<http://www.openinventionnetwork.com>. */
#include <stddef.h>
/* Before including this file the following macros must be defined:
NAME name of the hash table structure.
TYPE data type of the hash table entries
The following macros if present select features:
ITERATE iterating over the table entries is possible
HASHTYPE integer type for hash values, default unsigned long int
*/
/* Optionally include an entry pointing to the first used entry. */
#ifdef ITERATE
# define FIRST(name) name##_ent *first;
# define NEXT(name) struct name##_ent *next;
#else
# define FIRST(name)
# define NEXT(name)
#endif
#ifndef HASHTYPE
# define HASHTYPE unsigned long int
#endif
/* Defined separately. */
extern size_t next_prime (size_t seed);
/* Table entry type. */
#define _DYNHASHENTTYPE(name) \
typedef struct name##_ent \
{ \
HASHTYPE hashval; \
TYPE data; \
NEXT (name) \
} name##_ent
#define DYNHASHENTTYPE(name) _DYNHASHENTTYPE (name)
DYNHASHENTTYPE (NAME);
/* Type of the dynamic hash table data structure. */
#define _DYNHASHTYPE(name) \
typedef struct \
{ \
size_t size; \
size_t filled; \
name##_ent *table; \
FIRST (name) \
} name
#define DYNHASHTYPE(name) _DYNHASHTYPE (name)
DYNHASHTYPE (NAME);
#define _FUNCTIONS(name) \
/* Initialize the hash table. */ \
extern int name##_init (name *htab, size_t init_size); \
\
/* Free resources allocated for hash table. */ \
extern int name##_free (name *htab); \
\
/* Insert new entry. */ \
extern int name##_insert (name *htab, HASHTYPE hval, TYPE data); \
\
/* Insert new entry, possibly overwrite old entry. */ \
extern int name##_overwrite (name *htab, HASHTYPE hval, TYPE data); \
\
/* Find entry in hash table. */ \
extern TYPE name##_find (name *htab, HASHTYPE hval, TYPE val);
#define FUNCTIONS(name) _FUNCTIONS (name)
FUNCTIONS (NAME)
#ifdef ITERATE
# define _XFUNCTIONS(name) \
/* Get next element in table. */ \
extern TYPE name##_iterate (name *htab, void **ptr);
# define XFUNCTIONS(name) _XFUNCTIONS (name)
XFUNCTIONS (NAME)
#endif
#ifndef NO_UNDEF
# undef DYNHASHENTTYPE
# undef DYNHASHTYPE
# undef FUNCTIONS
# undef _FUNCTIONS
# undef XFUNCTIONS
# undef _XFUNCTIONS
# undef NAME
# undef TYPE
# undef ITERATE
# undef COMPARE
# undef FIRST
# undef NEXT
#endif
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