auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 186 deletions

diff --git a/minzip/Hash.h b/minzip/Hash.h
deleted file mode 100644
index 8194537..0000000
--- a/minzip/Hash.h
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * Copyright 2007 The Android Open Source Project
- *
- * General purpose hash table, used for finding classes, methods, etc.
- *
- * When the number of elements reaches 3/4 of the table's capacity, the
- * table will be resized.
- */
-#ifndef _MINZIP_HASH
-#define _MINZIP_HASH
-
-#include "inline_magic.h"
-
-#include <stdlib.h>
-#include <stdbool.h>
-#include <assert.h>
-
-/* compute the hash of an item with a specific type */
-typedef unsigned int (*HashCompute)(const void* item);
-
-/*
- * Compare a hash entry with a "loose" item after their hash values match.
- * Returns { <0, 0, >0 } depending on ordering of items (same semantics
- * as strcmp()).
- */
-typedef int (*HashCompareFunc)(const void* tableItem, const void* looseItem);
-
-/*
- * This function will be used to free entries in the table.  This can be
- * NULL if no free is required, free(), or a custom function.
- */
-typedef void (*HashFreeFunc)(void* ptr);
-
-/*
- * Used by mzHashForeach().
- */
-typedef int (*HashForeachFunc)(void* data, void* arg);
-
-/*
- * One entry in the hash table.  "data" values are expected to be (or have
- * the same characteristics as) valid pointers.  In particular, a NULL
- * value for "data" indicates an empty slot, and HASH_TOMBSTONE indicates
- * a no-longer-used slot that must be stepped over during probing.
- *
- * Attempting to add a NULL or tombstone value is an error.
- *
- * When an entry is released, we will call (HashFreeFunc)(entry->data).
- */
-typedef struct HashEntry {
-    unsigned int hashValue;
-    void* data;
-} HashEntry;
-
-#define HASH_TOMBSTONE ((void*) 0xcbcacccd)     // invalid ptr value
-
-/*
- * Expandable hash table.
- *
- * This structure should be considered opaque.
- */
-typedef struct HashTable {
-    int         tableSize;          /* must be power of 2 */
-    int         numEntries;         /* current #of "live" entries */
-    int         numDeadEntries;     /* current #of tombstone entries */
-    HashEntry*  pEntries;           /* array on heap */
-    HashFreeFunc freeFunc;
-} HashTable;
-
-/*
- * Create and initialize a HashTable structure, using "initialSize" as
- * a basis for the initial capacity of the table.  (The actual initial
- * table size may be adjusted upward.)  If you know exactly how many
- * elements the table will hold, pass the result from mzHashSize() in.)
- *
- * Returns "false" if unable to allocate the table.
- */
-HashTable* mzHashTableCreate(size_t initialSize, HashFreeFunc freeFunc);
-
-/*
- * Compute the capacity needed for a table to hold "size" elements.  Use
- * this when you know ahead of time how many elements the table will hold.
- * Pass this value into mzHashTableCreate() to ensure that you can add
- * all elements without needing to reallocate the table.
- */
-size_t mzHashSize(size_t size);
-
-/*
- * Clear out a hash table, freeing the contents of any used entries.
- */
-void mzHashTableClear(HashTable* pHashTable);
-
-/*
- * Free a hash table.
- */
-void mzHashTableFree(HashTable* pHashTable);
-
-/*
- * Get #of entries in hash table.
- */
-INLINE int mzHashTableNumEntries(HashTable* pHashTable) {
-    return pHashTable->numEntries;
-}
-
-/*
- * Get total size of hash table (for memory usage calculations).
- */
-INLINE int mzHashTableMemUsage(HashTable* pHashTable) {
-    return sizeof(HashTable) + pHashTable->tableSize * sizeof(HashEntry);
-}
-
-/*
- * Look up an entry in the table, possibly adding it if it's not there.
- *
- * If "item" is not found, and "doAdd" is false, NULL is returned.
- * Otherwise, a pointer to the found or added item is returned.  (You can
- * tell the difference by seeing if return value == item.)
- *
- * An "add" operation may cause the entire table to be reallocated.
- */
-void* mzHashTableLookup(HashTable* pHashTable, unsigned int itemHash, void* item,
-    HashCompareFunc cmpFunc, bool doAdd);
-
-/*
- * Remove an item from the hash table, given its "data" pointer.  Does not
- * invoke the "free" function; just detaches it from the table.
- */
-bool mzHashTableRemove(HashTable* pHashTable, unsigned int hash, void* item);
-
-/*
- * Execute "func" on every entry in the hash table.
- *
- * If "func" returns a nonzero value, terminate early and return the value.
- */
-int mzHashForeach(HashTable* pHashTable, HashForeachFunc func, void* arg);
-
-/*
- * An alternative to mzHashForeach(), using an iterator.
- *
- * Use like this:
- *   HashIter iter;
- *   for (mzHashIterBegin(hashTable, &iter); !mzHashIterDone(&iter);
- *       mzHashIterNext(&iter))
- *   {
- *       MyData* data = (MyData*)mzHashIterData(&iter);
- *   }
- */
-typedef struct HashIter {
-    void*       data;
-    HashTable*  pHashTable;
-    int         idx;
-} HashIter;
-INLINE void mzHashIterNext(HashIter* pIter) {
-    int i = pIter->idx +1;
-    int lim = pIter->pHashTable->tableSize;
-    for ( ; i < lim; i++) {
-        void* data = pIter->pHashTable->pEntries[i].data;
-        if (data != NULL && data != HASH_TOMBSTONE)
-            break;
-    }
-    pIter->idx = i;
-}
-INLINE void mzHashIterBegin(HashTable* pHashTable, HashIter* pIter) {
-    pIter->pHashTable = pHashTable;
-    pIter->idx = -1;
-    mzHashIterNext(pIter);
-}
-INLINE bool mzHashIterDone(HashIter* pIter) {
-    return (pIter->idx >= pIter->pHashTable->tableSize);
-}
-INLINE void* mzHashIterData(HashIter* pIter) {
-    assert(pIter->idx >= 0 && pIter->idx < pIter->pHashTable->tableSize);
-    return pIter->pHashTable->pEntries[pIter->idx].data;
-}
-
-
-/*
- * Evaluate hash table performance by examining the number of times we
- * have to probe for an entry.
- *
- * The caller should lock the table beforehand.
- */
-typedef unsigned int (*HashCalcFunc)(const void* item);
-void mzHashTableProbeCount(HashTable* pHashTable, HashCalcFunc calcFunc,
-    HashCompareFunc cmpFunc);
-
-#endif /*_MINZIP_HASH*/