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63 lines
1.7 KiB
63 lines
1.7 KiB
/*
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Enhanced NCSA Mosaic from Spyglass
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"Guitar"
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Copyright 1994 Spyglass, Inc.
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All Rights Reserved
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Author(s):
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Eric W. Sink [email protected]
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*/
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#ifndef HASH_H
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#define HASH_H
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#define NUM_OF_BUCKETS 1023
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#define INIT_ENTRY_SPACE 1024
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struct hash_entry
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{
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int s1_offset;
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int s2_offset;
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void *data;
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int next;
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};
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struct hash_bucket
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{
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int head;
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int count;
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};
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struct hash_table
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{
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char *pool;
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int pool_size;
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int pool_space;
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struct hash_entry *entry;
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int entry_size;
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int entry_space;
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struct hash_bucket *table;
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};
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int Hash_Init(struct hash_table *hash);
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int Hash_FreeContents(struct hash_table *hash);
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int Hash_Find(struct hash_table *hash, const char *s, char **s2, void **data);
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int Hash_FindByData(struct hash_table *hash, char **s, char **s2, void *data);
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int Hash_Add(struct hash_table *hash, const char *s1, const char *s2, void *data);
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int Hash_AddAndReturnIndex(struct hash_table *hash, const char *s1, const char *s2, void *data);
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int Hash_Count(struct hash_table *hash);
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int Hash_GetIndexedEntry(struct hash_table *hash, int entry_ndx, char **s1, char **s2, void **data);
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int Hash_DeleteIndexedEntry(struct hash_table *hash, int ndx);
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int Hash_SortByDataDescending(struct hash_table *hash);
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struct hash_table *Hash_Create(void);
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int Hash_Destroy(struct hash_table *hash);
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int Hash_SetData(struct hash_table *hash, int entry_ndx, void *data);
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int Hash_SetString2(struct hash_table *hash, int entry_ndx, char *s2);
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int Hash_ChangeIndexedEntry(struct hash_table *hash, int entry_ndx, const char *s1, const char *s2, void *data);
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int Hash_FindOrAdd(struct hash_table *hash, const char *s1, const char *s2, void *data);
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#endif /* HASH_H */
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