Move bundled copy of sqlite one level deeper to better separate it...

third_party/sqlite/src/test_wsd.c

-/*
-** 2008 September 1
-**
-** 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.
-**
-*************************************************************************
-**
-** The code in this file contains sample implementations of the 
-** sqlite3_wsd_init() and sqlite3_wsd_find() functions required if the
-** SQLITE_OMIT_WSD symbol is defined at build time.
-**
-** $Id: test_wsd.c,v 1.4 2009/03/23 04:33:33 danielk1977 Exp $
-*/
-
-#if defined(SQLITE_OMIT_WSD) && defined(SQLITE_TEST)
-
-#include "sqliteInt.h"
-
-#define PLS_HASHSIZE 43
-
-typedef struct ProcessLocalStorage ProcessLocalStorage;
-typedef struct ProcessLocalVar ProcessLocalVar;
-
-struct ProcessLocalStorage {
-  ProcessLocalVar *aData[PLS_HASHSIZE];
-  int nFree;
-  u8 *pFree;
-};
-
-struct ProcessLocalVar {
-  void *pKey;
-  ProcessLocalVar *pNext;
-};
-
-static ProcessLocalStorage *pGlobal = 0;
-
-int sqlite3_wsd_init(int N, int J){
-  if( !pGlobal ){
-    int nMalloc = N + sizeof(ProcessLocalStorage) + J*sizeof(ProcessLocalVar);
-    pGlobal = (ProcessLocalStorage *)malloc(nMalloc);
-    if( pGlobal ){
-      memset(pGlobal, 0, sizeof(ProcessLocalStorage));
-      pGlobal->nFree = nMalloc - sizeof(ProcessLocalStorage);
-      pGlobal->pFree = (u8 *)&pGlobal[1];
-    }
-  }
-
-  return pGlobal ? SQLITE_OK : SQLITE_NOMEM;
-}
-
-void *sqlite3_wsd_find(void *K, int L){
-  int i;
-  int iHash = 0;
-  ProcessLocalVar *pVar;
-
-  /* Calculate a hash of K */
-  for(i=0; i<sizeof(void*); i++){
-    iHash = (iHash<<3) + ((unsigned char *)&K)[i];
-  }
-  iHash = iHash%PLS_HASHSIZE;
-
-  /* Search the hash table for K. */
-  for(pVar=pGlobal->aData[iHash]; pVar && pVar->pKey!=K; pVar=pVar->pNext);
-
-  /* If no entry for K was found, create and populate a new one. */
-  if( !pVar ){
-    int nByte = ROUND8(sizeof(ProcessLocalVar) + L);
-    assert( pGlobal->nFree>=nByte );
-    pVar = (ProcessLocalVar *)pGlobal->pFree;
-    pVar->pKey = K;
-    pVar->pNext = pGlobal->aData[iHash];
-    pGlobal->aData[iHash] = pVar;
-    pGlobal->nFree -= nByte;
-    pGlobal->pFree += nByte;
-    memcpy(&pVar[1], K, L);
-  }
-
-  return (void *)&pVar[1];
-}
-
-#endif