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1 | /* $RCSfile: hash.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:21 $ |
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2 | * |
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3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1999, 2000, |
| 4 | * by Larry Wall and others |
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5 | * |
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6 | * You may distribute under the terms of either the GNU General Public |
| 7 | * License or the Artistic License, as specified in the README file. |
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8 | * |
| 9 | * $Log: hash.h,v $ |
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10 | */ |
| 11 | |
| 12 | #define FILLPCT 60 /* don't make greater than 99 */ |
| 13 | |
| 14 | #ifdef DOINIT |
| 15 | char coeff[] = { |
| 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 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1}; |
| 24 | #else |
| 25 | extern char coeff[]; |
| 26 | #endif |
| 27 | |
| 28 | typedef struct hentry HENT; |
| 29 | |
| 30 | struct hentry { |
| 31 | HENT *hent_next; |
| 32 | char *hent_key; |
| 33 | STR *hent_val; |
| 34 | int hent_hash; |
| 35 | }; |
| 36 | |
| 37 | struct htbl { |
| 38 | HENT **tbl_array; |
| 39 | int tbl_max; |
| 40 | int tbl_fill; |
| 41 | int tbl_riter; /* current root of iterator */ |
| 42 | HENT *tbl_eiter; /* current entry of iterator */ |
| 43 | }; |
| 44 | |
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45 | bool hdelete (HASH *tb, char *key); |
| 46 | STR * hfetch ( HASH *tb, char *key ); |
| 47 | int hiterinit ( HASH *tb ); |
| 48 | char * hiterkey ( HENT *entry ); |
| 49 | HENT * hiternext ( HASH *tb ); |
| 50 | STR * hiterval ( HENT *entry ); |
| 51 | HASH * hnew ( void ); |
| 52 | void hsplit ( HASH *tb ); |
| 53 | bool hstore ( HASH *tb, char *key, STR *val ); |
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