--- a/engine/sqlite/src/os.cpp	Wed Apr 28 13:20:05 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,305 +0,0 @@
- /*
-** 2005 November 29
-**
-** 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 file contains OS interface code that is common to all
-** architectures.
-*/
-#define _SQLITE_OS_C_ 1
-#include "sqliteInt.h"
-#undef _SQLITE_OS_C_
-
-/*
-** The default SQLite sqlite3_vfs implementations do not allocate
-** memory (actually, os_unix.c allocates a small amount of memory
-** from within OsOpen()), but some third-party implementations may.
-** So we test the effects of a malloc() failing and the sqlite3OsXXX()
-** function returning SQLITE_IOERR_NOMEM using the DO_OS_MALLOC_TEST macro.
-**
-** The following functions are instrumented for malloc() failure 
-** testing:
-**
-**     sqlite3OsOpen()
-**     sqlite3OsRead()
-**     sqlite3OsWrite()
-**     sqlite3OsSync()
-**     sqlite3OsLock()
-**
-*/
-#ifdef SQLITE_TEST
-  #define DO_OS_MALLOC_TEST if (1) {            \
-    void *pTstAlloc = sqlite3_malloc(10);       \
-    if (!pTstAlloc) return SQLITE_IOERR_NOMEM;  \
-    sqlite3_free(pTstAlloc);                    \
-  }
-#else
-  #define DO_OS_MALLOC_TEST
-#endif
-
-/*
-** The following routines are convenience wrappers around methods
-** of the sqlite3_file object.  This is mostly just syntactic sugar. All
-** of this would be completely automatic if SQLite were coded using
-** C++ instead of plain old C.
-*/
-int sqlite3OsClose(sqlite3_file *pId){
-  int rc = SQLITE_OK;
-/*  if( pId->pMethods ){
-    rc = pId->pMethods->xClose(pId);
-    pId->pMethods = 0;
-  }*/
-  rc = winClose(pId);
-  return rc;
-}
-int sqlite3OsRead(sqlite3_file *id, void *pBuf, int amt, i64 offset){
-  DO_OS_MALLOC_TEST;
-  //return id->pMethods->xRead(id, pBuf, amt, offset);
-  return winRead(id, pBuf, amt, offset);
-}
-int sqlite3OsWrite(sqlite3_file *id, const void *pBuf, int amt, i64 offset){
-  DO_OS_MALLOC_TEST;
-  //return id->pMethods->xWrite(id, pBuf, amt, offset);
-  return winWrite(id, pBuf, amt, offset);
-}
-int sqlite3OsTruncate(sqlite3_file *id, i64 size){
-  //return id->pMethods->xTruncate(id, size);
-	return winTruncate(id, size);
-}
-int sqlite3OsSync(sqlite3_file *id, int flags){
-  DO_OS_MALLOC_TEST;
-//  return id->pMethods->xSync(id, flags);
-  return winSync(id, flags);
-}
-int sqlite3OsFileSize(sqlite3_file *id, i64 *pSize){
-//  return id->pMethods->xFileSize(id, pSize);
-	return winFileSize(id, pSize);
-}
-int sqlite3OsLock(sqlite3_file *id, int lockType){
-  DO_OS_MALLOC_TEST;
-  //return id->pMethods->xLock(id, lockType);
-  return winLock(id, lockType);
-}
-int sqlite3OsUnlock(sqlite3_file *id, int lockType){
-  //return id->pMethods->xUnlock(id, lockType);
-	return winUnlock(id, lockType);
-}
-int sqlite3OsCheckReservedLock(sqlite3_file *id){
-  //return id->pMethods->xCheckReservedLock(id);
-	return winCheckReservedLock(id);
-}
-int sqlite3OsFileControl(sqlite3_file *id, int op, void *pArg){
-  //return id->pMethods->xFileControl(id,op,pArg);
-	return winFileControl(id, op, pArg);
-}
-
-#ifdef SQLITE_TEST
-  /* The following two variables are used to override the values returned
-  ** by the xSectorSize() and xDeviceCharacteristics() vfs methods for
-  ** testing purposes. They are usually set by a test command implemented
-  ** in test6.c.
-  */
-  int sqlite3_test_sector_size = 0;
-  int sqlite3_test_device_characteristics = 0;
-  int sqlite3OsDeviceCharacteristics(sqlite3_file *id){
-    int dc = id->pMethods->xDeviceCharacteristics(id);
-    return dc | sqlite3_test_device_characteristics;
-  }
-  int sqlite3OsSectorSize(sqlite3_file *id){
-    if( sqlite3_test_sector_size==0 ){
-      int (*xSectorSize)(sqlite3_file*) = id->pMethods->xSectorSize;
-      return (xSectorSize ? xSectorSize(id) : SQLITE_DEFAULT_SECTOR_SIZE);
-    }
-    return sqlite3_test_sector_size;
-  }
-#else
-  int sqlite3OsSectorSize(sqlite3_file *id){
-    //int (*xSectorSize)(sqlite3_file*) = id->pMethods->xSectorSize;
-    //return (xSectorSize ? xSectorSize(id) : SQLITE_DEFAULT_SECTOR_SIZE);
-	  return winSectorSize(id);
-  }
-  int sqlite3OsDeviceCharacteristics(sqlite3_file *id){
-//    return id->pMethods->xDeviceCharacteristics(id);
-	  return winDeviceCharacteristics(id);
-  }
-#endif
-
-/*
-** The next group of routines are convenience wrappers around the
-** VFS methods.
-*/
-int sqlite3OsOpen(
-  sqlite3_vfs *pVfs, 
-  const char *zPath, 
-  sqlite3_file *pFile, 
-  int flags, 
-  int *pFlagsOut
-){
-  //return pVfs->xOpen(pVfs, zPath, pFile, flags, pFlagsOut);
-  return winOpen(pVfs, zPath, pFile, flags, pFlagsOut);
-}
-int sqlite3OsDelete(sqlite3_vfs *pVfs, const char *zPath, int dirSync){
-  //return pVfs->xDelete(pVfs, zPath, dirSync);
-	return winDelete(pVfs, zPath, dirSync);
-}
-int sqlite3OsAccess(sqlite3_vfs *pVfs, const char *zPath, int flags){
-//  return pVfs->xAccess(pVfs, zPath, flags);
-	return winAccess(pVfs, zPath, flags);
-}
-int sqlite3OsGetTempname(sqlite3_vfs *pVfs, int nBufOut, char *zBufOut){
-//  return pVfs->xGetTempname(pVfs, nBufOut, zBufOut);
-	return winGetTempname(pVfs, nBufOut, zBufOut);
-}
-int sqlite3OsFullPathname(
-  sqlite3_vfs *pVfs, 
-  const char *zPath, 
-  int nPathOut, 
-  char *zPathOut
-){
-//  return pVfs->xFullPathname(pVfs, zPath, nPathOut, zPathOut);
-	return winFullPathname(pVfs, zPath, nPathOut, zPathOut);
-}
-void *sqlite3OsDlOpen(sqlite3_vfs *pVfs, const char *zPath){
-//  return pVfs->xDlOpen(pVfs, zPath);
-	return NULL;
-}
-void sqlite3OsDlError(sqlite3_vfs *pVfs, int nByte, char *zBufOut){
-//  pVfs->xDlError(pVfs, nByte, zBufOut);
-
-}
-void *sqlite3OsDlSym(sqlite3_vfs *pVfs, void *pHandle, const char *zSymbol){
-//  return pVfs->xDlSym(pVfs, pHandle, zSymbol);
-	return NULL;
-}
-void sqlite3OsDlClose(sqlite3_vfs *pVfs, void *pHandle){
-//  pVfs->xDlClose(pVfs, pHandle);
-}
-int sqlite3OsRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){
-//  return pVfs->xRandomness(pVfs, nByte, zBufOut);
-	return winRandomness(pVfs, nByte, zBufOut);
-}
-int sqlite3OsSleep(sqlite3_vfs *pVfs, int nMicro){
-//  return pVfs->xSleep(pVfs, nMicro);
-	return winSleep(pVfs, nMicro);
-}
-int sqlite3OsCurrentTime(sqlite3_vfs *pVfs, double *pTimeOut){
-//  return pVfs->xCurrentTime(pVfs, pTimeOut);
-	return winCurrentTime(pVfs, pTimeOut);
-}
-
-int sqlite3OsOpenMalloc(
-  sqlite3_vfs *pVfs, 
-  const char *zFile, 
-  sqlite3_file **ppFile, 
-  int flags,
-  int *pOutFlags
-){
-  int rc = SQLITE_NOMEM;
-  sqlite3_file *pFile;
-  pFile = (sqlite3_file *)sqlite3_malloc(pVfs->szOsFile);
-  if( pFile ){
-    rc = sqlite3OsOpen(pVfs, zFile, pFile, flags, pOutFlags);
-    if( rc!=SQLITE_OK ){
-      sqlite3_free(pFile);
-    }else{
-      *ppFile = pFile;
-    }
-  }
-  return rc;
-}
-int sqlite3OsCloseFree(sqlite3_file *pFile){
-  int rc = SQLITE_OK;
-  if( pFile ){
-    rc = sqlite3OsClose(pFile);
-    sqlite3_free(pFile);
-  }
-  return rc;
-}
-
-/*
-** The list of all registered VFS implementations.  This list is
-** initialized to the single VFS returned by sqlite3OsDefaultVfs()
-** upon the first call to sqlite3_vfs_find().
-*/
-static sqlite3_vfs *vfsList = 0;
-
-/*
-** Locate a VFS by name.  If no name is given, simply return the
-** first VFS on the list.
-*/
-EXPORT_C sqlite3_vfs *sqlite3_vfs_find(const char *zVfs){
-  sqlite3_mutex *mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MASTER);
-  sqlite3_vfs *pVfs = 0;
-  static int isInit = 0;
-  sqlite3_mutex_enter(mutex);
-  if( !isInit ){
-    vfsList = sqlite3OsDefaultVfs();
-    isInit = 1;
-  }
-  for(pVfs = vfsList; pVfs; pVfs=pVfs->pNext){
-    if( zVfs==0 ) break;
-    if( strcmp(zVfs, pVfs->zName)==0 ) break;
-  }
-  sqlite3_mutex_leave(mutex);
-  return pVfs;
-}
-
-/*
-** Unlink a VFS from the linked list
-*/
-static void vfsUnlink(sqlite3_vfs *pVfs){
-  assert( sqlite3_mutex_held(sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MASTER)) );
-  if( pVfs==0 ){
-    /* No-op */
-  }else if( vfsList==pVfs ){
-    vfsList = pVfs->pNext;
-  }else if( vfsList ){
-    sqlite3_vfs *p = vfsList;
-    while( p->pNext && p->pNext!=pVfs ){
-      p = p->pNext;
-    }
-    if( p->pNext==pVfs ){
-      p->pNext = pVfs->pNext;
-    }
-  }
-}
-
-/*
-** Register a VFS with the system.  It is harmless to register the same
-** VFS multiple times.  The new VFS becomes the default if makeDflt is
-** true.
-*/
-EXPORT_C int sqlite3_vfs_register(sqlite3_vfs *pVfs, int makeDflt){
-  sqlite3_mutex *mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MASTER);
-  sqlite3_vfs_find(0);  /* Make sure we are initialized */
-  sqlite3_mutex_enter(mutex);
-  vfsUnlink(pVfs);
-  if( makeDflt || vfsList==0 ){
-    pVfs->pNext = vfsList;
-    vfsList = pVfs;
-  }else{
-    pVfs->pNext = vfsList->pNext;
-    vfsList->pNext = pVfs;
-  }
-  assert(vfsList);
-  sqlite3_mutex_leave(mutex);
-  return SQLITE_OK;
-}
-
-/*
-** Unregister a VFS so that it is no longer accessible.
-*/
-EXPORT_C int sqlite3_vfs_unregister(sqlite3_vfs *pVfs){
-  sqlite3_mutex *mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_STATIC_MASTER);
-  sqlite3_mutex_enter(mutex);
-  vfsUnlink(pVfs);
-  sqlite3_mutex_leave(mutex);
-  return SQLITE_OK;
-}