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- /* $RCSfile: hash.h,v $$Revision: 4.0.1.2 $$Date: 91/11/05 17:24:31 $
- *
- * Copyright (c) 1991, Larry Wall
- *
- * 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 $
- * Revision 4.0.1.2 91/11/05 17:24:31 lwall
- * patch11: random cleanup
- *
- * Revision 4.0.1.1 91/06/07 11:10:33 lwall
- * patch4: new copyright notice
- *
- * Revision 4.0 91/03/20 01:22:38 lwall
- * 4.0 baseline.
- *
- */
-
- #define FILLPCT 80 /* don't make greater than 99 */
- #define DBM_CACHE_MAX 63 /* cache 64 entries for dbm file */
- /* (resident array acts as a write-thru cache)*/
-
- #define COEFFSIZE (16 * 8) /* size of coeff array */
-
- typedef struct hentry HENT;
-
- struct hentry {
- HENT *hent_next;
- char *hent_key;
- STR *hent_val;
- int hent_hash;
- int hent_klen;
- };
-
- struct htbl {
- HENT **tbl_array;
- int tbl_max; /* subscript of last element of tbl_array */
- int tbl_dosplit; /* how full to get before splitting */
- int tbl_fill; /* how full tbl_array currently is */
- int tbl_riter; /* current root of iterator */
- HENT *tbl_eiter; /* current entry of iterator */
- SPAT *tbl_spatroot; /* list of spats for this package */
- char *tbl_name; /* name, if a symbol table */
- #ifdef SOME_DBM
- #ifdef HAS_GDBM
- GDBM_FILE tbl_dbm;
- #else
- #ifdef HAS_NDBM
- DBM *tbl_dbm;
- #else
- int tbl_dbm;
- #endif
- #endif
- #endif
- unsigned char tbl_coeffsize; /* is 0 for symbol tables */
- };
-
- STR *hfetch();
- bool hstore();
- STR *hdelete();
- HASH *hnew();
- void hclear();
- void hentfree();
- void hfree();
- int hiterinit();
- HENT *hiternext();
- char *hiterkey();
- STR *hiterval();
- bool hdbmopen();
- void hdbmclose();
- bool hdbmstore();
-