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| 1 | #ifndef MTOOLS_DIRCACHE_H
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| 2 | #define MTOOLS_DIRCACHE_H
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| 3 |
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| 4 | typedef enum {
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| 5 | DCET_FREE,
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| 6 | DCET_USED,
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| 7 | DCET_END
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| 8 | } dirCacheEntryType_t;
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| 9 |
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| 10 | #define DC_BITMAP_SIZE 128
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| 11 |
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| 12 | typedef struct dirCacheEntry_t {
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| 13 | dirCacheEntryType_t type;
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| 14 | int beginSlot;
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| 15 | int endSlot;
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| 16 | char *shortName;
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| 17 | char *longName;
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| 18 | struct directory dir;
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| 19 | } dirCacheEntry_t;
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| 20 |
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| 21 | typedef struct dirCache_t {
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| 22 | struct dirCacheEntry_t **entries;
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| 23 | int nr_entries;
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| 24 | unsigned int nrHashed;
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| 25 | unsigned int bm0[DC_BITMAP_SIZE];
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| 26 | unsigned int bm1[DC_BITMAP_SIZE];
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| 27 | unsigned int bm2[DC_BITMAP_SIZE];
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| 28 | } dirCache_t;
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| 29 |
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| 30 | int isHashed(dirCache_t *cache, char *name);
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| 31 | int growDirCache(dirCache_t *cache, int slot);
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| 32 | dirCache_t *allocDirCache(Stream_t *Stream, int slot);
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| 33 | dirCacheEntry_t *addUsedEntry(dirCache_t *Stream, int begin, int end,
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| 34 | char *longName, char *shortName,
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| 35 | struct directory *dir);
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| 36 | void freeDirCache(Stream_t *Stream);
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| 37 | dirCacheEntry_t *addFreeEntry(dirCache_t *Stream, int begin, int end);
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| 38 | dirCacheEntry_t *addEndEntry(dirCache_t *Stream, int pos);
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| 39 | dirCacheEntry_t *lookupInDircache(dirCache_t *Stream, int pos);
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| 40 | #endif
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