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/*-
* Copyright (c) 2014-2016 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "wt_internal.h"
/*
* __wt_ftruncate --
* Truncate a file.
*/
int
__wt_ftruncate(WT_SESSION_IMPL *session, WT_FH *fh, wt_off_t len)
{
WT_DECL_RET;
LARGE_INTEGER largeint;
WT_ASSERT(session, !F_ISSET(S2C(session), WT_CONN_READONLY));
largeint.QuadPart = len;
if ((ret = SetFilePointerEx(
fh->filehandle_secondary, largeint, NULL, FILE_BEGIN)) == FALSE)
WT_RET_MSG(session, __wt_errno(), "%s SetFilePointerEx error",
fh->name);
ret = SetEndOfFile(fh->filehandle_secondary);
if (ret != FALSE)
return (0);
if (GetLastError() == ERROR_USER_MAPPED_FILE)
return (EBUSY);
WT_RET_MSG(session, __wt_errno(), "%s SetEndOfFile error", fh->name);
}
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