hash.h   [plain text]

/* Copyright (C) 1995, 2000-2003 Free Software Foundation, Inc.

   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,
   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.

   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.  */

#ifndef _HASH_H
#define _HASH_H

#include <obstack.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct hash_table
{
  unsigned long int size;
  unsigned long int filled;
  void *first;
  void *table;
  struct obstack mem_pool;
}
hash_table;

extern int init_hash (hash_table *htab, unsigned long int init_size);
extern int delete_hash (hash_table *htab);
extern int insert_entry (hash_table *htab,
			 const void *key, size_t keylen,
			 void *data);
extern int find_entry (hash_table *htab,
		       const void *key, size_t keylen,
		       void **result);

extern int iterate_table (hash_table *htab, void **ptr,
			  const void **key, size_t *keylen,
			  void **data);

extern unsigned long int next_prime (unsigned long int seed);

#ifdef __cplusplus
}
#endif

#endif /* not _HASH_H */