hash.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* $RCSfile: hash.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:21 $
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1999, 2000,
* by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
* $Log: hash.h,v $
*/
#define FILLPCT 60 /* don't make greater than 99 */
#ifdef DOINIT
char coeff[] = {
61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1};
#else
extern char coeff[];
#endif
typedef struct hentry HENT;
struct hentry {
HENT *hent_next;
char *hent_key;
STR *hent_val;
int hent_hash;
};
struct htbl {
HENT **tbl_array;
int tbl_max;
int tbl_fill;
int tbl_riter; /* current root of iterator */
HENT *tbl_eiter; /* current entry of iterator */
};
bool hdelete (HASH *tb, char *key);
STR * hfetch ( HASH *tb, char *key );
int hiterinit ( HASH *tb );
char * hiterkey ( HENT *entry );
HENT * hiternext ( HASH *tb );
STR * hiterval ( HENT *entry );
HASH * hnew ( void );
void hsplit ( HASH *tb );
bool hstore ( HASH *tb, char *key, STR *val );