| 1 | /* $RCSfile: hash.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:21 $ |
| 2 | * |
| 3 | * Copyright (c) 1991-1997, Larry Wall |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | * $Log: hash.h,v $ |
| 9 | */ |
| 10 | |
| 11 | #define FILLPCT 60 /* don't make greater than 99 */ |
| 12 | |
| 13 | #ifdef DOINIT |
| 14 | char coeff[] = { |
| 15 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 16 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 17 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 18 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 19 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 20 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 21 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 22 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1}; |
| 23 | #else |
| 24 | extern char coeff[]; |
| 25 | #endif |
| 26 | |
| 27 | typedef struct hentry HENT; |
| 28 | |
| 29 | struct hentry { |
| 30 | HENT *hent_next; |
| 31 | char *hent_key; |
| 32 | STR *hent_val; |
| 33 | int hent_hash; |
| 34 | }; |
| 35 | |
| 36 | struct htbl { |
| 37 | HENT **tbl_array; |
| 38 | int tbl_max; |
| 39 | int tbl_fill; |
| 40 | int tbl_riter; /* current root of iterator */ |
| 41 | HENT *tbl_eiter; /* current entry of iterator */ |
| 42 | }; |
| 43 | |
| 44 | bool hdelete _((HASH *tb, char *key)); |
| 45 | STR * hfetch _(( HASH *tb, char *key )); |
| 46 | int hiterinit _(( HASH *tb )); |
| 47 | char * hiterkey _(( HENT *entry )); |
| 48 | HENT * hiternext _(( HASH *tb )); |
| 49 | STR * hiterval _(( HENT *entry )); |
| 50 | HASH * hnew _(( void )); |
| 51 | void hsplit _(( HASH *tb )); |
| 52 | bool hstore _(( HASH *tb, char *key, STR *val )); |