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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, Larry Wall |
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4 | * |
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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. |
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7 | * |
| 8 | * $Log: hash.h,v $ |
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9 | * Revision 4.1 92/08/07 18:29:21 lwall |
| 10 | * |
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11 | * Revision 4.0.1.1 91/06/07 12:16:04 lwall |
| 12 | * patch4: new copyright notice |
| 13 | * |
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14 | * Revision 4.0 91/03/20 01:57:53 lwall |
| 15 | * 4.0 baseline. |
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16 | * |
| 17 | */ |
| 18 | |
| 19 | #define FILLPCT 60 /* don't make greater than 99 */ |
| 20 | |
| 21 | #ifdef DOINIT |
| 22 | char coeff[] = { |
| 23 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 24 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 25 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 26 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 27 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 28 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 29 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1, |
| 30 | 61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1}; |
| 31 | #else |
| 32 | extern char coeff[]; |
| 33 | #endif |
| 34 | |
| 35 | typedef struct hentry HENT; |
| 36 | |
| 37 | struct hentry { |
| 38 | HENT *hent_next; |
| 39 | char *hent_key; |
| 40 | STR *hent_val; |
| 41 | int hent_hash; |
| 42 | }; |
| 43 | |
| 44 | struct htbl { |
| 45 | HENT **tbl_array; |
| 46 | int tbl_max; |
| 47 | int tbl_fill; |
| 48 | int tbl_riter; /* current root of iterator */ |
| 49 | HENT *tbl_eiter; /* current entry of iterator */ |
| 50 | }; |
| 51 | |
| 52 | STR *hfetch(); |
| 53 | bool hstore(); |
| 54 | bool hdelete(); |
| 55 | HASH *hnew(); |
| 56 | int hiterinit(); |
| 57 | HENT *hiternext(); |
| 58 | char *hiterkey(); |
| 59 | STR *hiterval(); |
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