87 lines
2 KiB
C
87 lines
2 KiB
C
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#ifndef _CSPCACHE_H_
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#define _CSPCACHE_H_
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#include <windows.h>
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#define MAX_KEY_SIZE (50 * sizeof(CHAR))
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/*
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typedef enum
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{
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CardGeneralFile,
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CardContainer,
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CardFreeSpace,
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CardCapabilities
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} CACHE_TYPES;
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*/
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typedef struct _CACHE_ITEM
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{
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//CACHE_TYPES CacheType;
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struct _CACHE_ITEM *pNext;
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LPSTR pszKey;
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PVOID pvData;
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} CACHE_ITEM, *PCACHE_ITEM;
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typedef struct _CACHE_HEAD
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{
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PCACHE_ITEM pCacheList;
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DWORD dwItemListCacheStamp;
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BOOL fAllItemsPresent;
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} CACHE_HEAD, *PCACHE_HEAD;
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typedef PCACHE_HEAD CACHE_HANDLE;
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//
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// Function: CacheGetItem
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//
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// Purpose: Search the provided cache list for the item
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// specified in pszKey. The search is conducted first by
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// CacheType, then by pszKey if pszKey is not NULL.
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// If the item is found, move it to
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// the front of the list and return its pvData member, and return
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// TRUE.
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// If the item is not found, return FALSE.
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//
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BOOL CacheGetItem(
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IN CACHE_HANDLE *phCache,
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IN CACHE_TYPES CacheType,
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IN OPTIONAL LPSTR pszKey,
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OUT PVOID *ppvData);
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//
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// Function: CacheDeleteCache
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//
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// Purpose: Free the provided cache list.
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//
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void CacheDeleteCache(
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IN OUT CACHE_HANDLE hCache);
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//
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// Function: CacheAddItem
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//
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// Purpose: If the key pszKey does not already exist in the provided cache
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// list, add the key and associate pvData with it. In this case *ppvOldData
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// will be set to NULL. If pszKey already exists, update the key with the
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// provided pvData, and set *ppvOldData to the previous pvData of the
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// specified key.
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//
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DWORD CacheAddItem(
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IN OUT CACHE_HANDLE *phCache,
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IN CACHE_TYPES CacheType,
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IN OPTIONAL LPSTR pszKey,
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IN PVOID pvData,
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OUT PVOID *ppvOldData);
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//
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// Function: CacheDeleteItem
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//
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// Purpose: Search the provided cache list for pszKey. If the node is found,
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// remove it from the list and return its pvData member. If the node is not
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// found, return NULL.
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//
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PVOID CacheDeleteItem(
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IN CACHE_HANDLE *phCache,
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LPSTR pszKey);
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#endif
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