[sql] Import reference version of SQLite 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/src/hash.h

 /*
 ** 2001 September 22
 **
 ** The author disclaims copyright to this source code.  In place of
 ** a legal notice, here is a blessing:
 **
 **    May you do good and not evil.
 **    May you find forgiveness for yourself and forgive others.
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
-** This is the header file for the generic hash-table implemenation
+** This is the header file for the generic hash-table implementation
 ** used in SQLite.
 */
 #ifndef _SQLITE_HASH_H_
 #define _SQLITE_HASH_H_
 
 /* Forward declarations of structures. */
 typedef struct Hash Hash;
 typedef struct HashElem HashElem;
 
 /* A complete hash table is an instance of the following structure.
@@ skipping 29 matching lines @@
 
 /* Each element in the hash table is an instance of the following 
 ** structure.  All elements are stored on a single doubly-linked list.
 **
 ** Again, this structure is intended to be opaque, but it can't really
 ** be opaque because it is used by macros.
 */
 struct HashElem {
   HashElem *next, *prev;       /* Next and previous elements in the table */
   void *data;                  /* Data associated with this element */
-  const char *pKey; int nKey;  /* Key associated with this element */
+  const char *pKey;            /* Key associated with this element */
 };
 
 /*
 ** Access routines.  To delete, insert a NULL pointer.
 */
 void sqlite3HashInit(Hash*);
-void *sqlite3HashInsert(Hash*, const char *pKey, int nKey, void *pData);
-void *sqlite3HashFind(const Hash*, const char *pKey, int nKey);
+void *sqlite3HashInsert(Hash*, const char *pKey, void *pData);
+void *sqlite3HashFind(const Hash*, const char *pKey);
 void sqlite3HashClear(Hash*);
 
 /*
 ** Macros for looping over all elements of a hash table.  The idiom is
 ** like this:
 **
 **   Hash h;
 **   HashElem *p;
 **   ...
 **   for(p=sqliteHashFirst(&h); p; p=sqliteHashNext(p)){
 **     SomeStructure *pData = sqliteHashData(p);
 **     // do something with pData
 **   }
 */
 #define sqliteHashFirst(H)  ((H)->first)
 #define sqliteHashNext(E)   ((E)->next)
 #define sqliteHashData(E)   ((E)->data)
 /* #define sqliteHashKey(E)    ((E)->pKey) // NOT USED */
 /* #define sqliteHashKeysize(E) ((E)->nKey)  // NOT USED */
 
 /*
 ** Number of entries in a hash table
 */
 /* #define sqliteHashCount(H)  ((H)->count) // NOT USED */
 
 #endif /* _SQLITE_HASH_H_ */