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| 1 | /*-----------------------------------------------------------------------------
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| 2 | hash.h -- Hashing
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| 3 |
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| 4 | Copyright (c) 1994 JANZ Computer AG
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| 5 | All Rights Reserved
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| 6 |
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| 7 | Created 94/10/11 by Soenke Hansen
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| 8 | Version 1.3 of 98/03/24
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| 9 |
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| 10 | -----------------------------------------------------------------------------*/
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| 11 |
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| 12 | #ifndef hash_DEFINED
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| 13 | #define hash_DEFINED
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| 14 |
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| 15 | #ifdef __cplusplus
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| 16 | extern "C" {
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| 17 | #endif
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| 18 |
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| 19 | #include "defs.h"
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| 20 |
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| 21 | /* Hashing */
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| 22 | #define HASH_LEN 211 /* prime number used in hashing */
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| 23 | extern int hashfcn(BYTE_t *bytestr, int len);
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| 24 |
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| 25 | /* Check encoding range of character */
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| 26 | #define IS_NUM(c) ((c) >= 0x30 && (c) <= 0x39)
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| 27 | #define IS_ALPHA_NUM(c) (((c) >= 0x30 && (c) <= 0x39) || \
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| 28 | ((c) == '_') || \
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| 29 | ((c) >= 0x41 && (c) <= 0x5a) || \
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| 30 | ((c) >= 0x61 && (c) <= 0x7a))
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| 31 |
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| 32 | #ifdef __cplusplus
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| 33 | }
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| 34 | #endif
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| 35 |
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| 36 | #endif /* !hash_DEFINED */
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