/usr/include/lam/all_hash.h is in lam4-dev 7.1.4-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2001-2002 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 1998-2001 University of Notre Dame.
* All rights reserved.
* Copyright (c) 1994-1998 The Ohio State University.
* All rights reserved.
*
* This file is part of the LAM/MPI software package. For license
* information, see the LICENSE file in the top level directory of the
* LAM/MPI source distribution.
*
* $HEADER$
*
* $Id: all_hash.h,v 6.5 2002/10/09 20:57:22 brbarret Exp $
*
* Function: - generic hash table templates and constants
* - for both the static and dynamic versions
*/
#ifndef _ALLHASH
#define _ALLHASH
#include <lam_config.h>
#include <portable.h>
/*
* flags defining the modes of operation
*/
#define AHLRU ((int4) 1) /* LRU counters are used */
#define AHNOINIT ((int4) 2) /* hash table not initialized */
/*
* structure definitions
*/
struct ah_desc { /* hash table descriptor */
int4 ah_maxnelem; /* maximum nbr. elements */
int4 ah_nelem; /* current nbr. elements */
int4 ah_elemsize; /* size of element */
int4 ah_nullkey; /* null hash key value */
int4 ah_mode; /* mode of operation */
int4 *ah_lru; /* table of LRU counters */
void *ah_table; /* ptr to the hash table */
int (*ah_cmp)(); /* comparison function */
};
/*
* type definitions
*/
typedef struct ah_desc HASH;
typedef struct ah_desc SHASH;
/*
* prototypes
*/
#ifdef __cplusplus
extern "C" {
#endif
extern HASH *ah_init __ARGS((int4 size, int4 elemsize,
int4 nullkey, int4 mode));
extern SHASH *ahs_init __ARGS((int4 size, int4 esize,
int4 nullkey, int4 mode, void *htbl,
int4 *lru, SHASH *ahsd));
extern int ah_delete __ARGS((HASH *ahd, int4 key));
extern int ah_delete_elm __ARGS((HASH *ahd, void *elem));
extern int ah_expand __ARGS((HASH *ahd, int4 newsize));
extern int ah_insert __ARGS((HASH *ahd, void *elem));
extern int ah_kick __ARGS((HASH *ahd, void *elem));
extern void ah_free __ARGS((HASH *ahd));
extern void ah_setcmp __ARGS((HASH *ahd, int (*cmp)()));
extern void *ah_find __ARGS((HASH *ahd, int4 key));
extern void *ah_find_elm __ARGS((HASH *ahd, void *elem));
extern void *ah_next __ARGS((HASH *ahd, void *elem));
#ifdef __cplusplus
}
#endif
/*
* function macros
*/
#define ah_count(ahd) ((ahd)->ah_nelem)
#define ah_size(ahd) ((ahd)->ah_maxnelem)
#define ah_top(ahd) (ah_next(ahd, (void *) 0))
#define ahs_find(ahd, x) ah_find(ahd, x)
#define ahs_find_elm(ahd, x) ah_find_elm(ahd, x)
#define ahs_delete(ahd, x) ah_delete(ahd, x)
#define ahs_delete_elm(ahd, x) ah_delete_elm(ahd, x)
#define ahs_insert(ahd, x) ah_insert(ahd, x)
#define ahs_kick(ahd, x) ah_kick(ahd, x)
#define ahs_setcmp(ahd, x) ah_setcmp(ahd, x)
#define ahs_count(ahd) ah_count(ahd)
#define ahs_size(ahd) ah_size(ahd)
#define ahs_top(ahd) ah_top(ahd)
#define ahs_next(ahd, x) ah_next(ahd, x)
#endif
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