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Check for failures in winTruncate. Ticket #3415. (CVS 5811)

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FossilOrigin-Name: 500c50561fba88948aad21d1aef1e1e96ab8c3aa
This commit is contained in:
shane
2008-10-12 02:27:38 +00:00
parent e5447f5c1c
commit a3465f2d78
3 changed files with 17 additions and 11 deletions
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14
src/os_win.c
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@@ -12,7 +12,7 @@
**
** This file contains code that is specific to windows.
**
** $Id: os_win.c,v 1.134 2008/09/30 04:20:08 shane Exp $
** $Id: os_win.c,v 1.135 2008/10/12 02:27:39 shane Exp $
*/
#include "sqliteInt.h"
#if SQLITE_OS_WIN /* This file is used for windows only */
@@ -713,14 +713,20 @@ static int winWrite(
** Truncate an open file to a specified size
*/
static int winTruncate(sqlite3_file *id, sqlite3_int64 nByte){
DWORD rc;
LONG upperBits = (nByte>>32) & 0x7fffffff;
LONG lowerBits = nByte & 0xffffffff;
winFile *pFile = (winFile*)id;
OSTRACE3("TRUNCATE %d %lld\n", pFile->h, nByte);
SimulateIOError(return SQLITE_IOERR_TRUNCATE);
SetFilePointer(pFile->h, lowerBits, &upperBits, FILE_BEGIN);
SetEndOfFile(pFile->h);
return SQLITE_OK;
rc = SetFilePointer(pFile->h, lowerBits, &upperBits, FILE_BEGIN);
if( INVALID_SET_FILE_POINTER != rc ){
/* SetEndOfFile will fail if nByte is negative */
if( SetEndOfFile(pFile->h) ){
return SQLITE_OK;
}
}
return SQLITE_IOERR_TRUNCATE;
}
#ifdef SQLITE_TEST