1 /*
2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
566 DWORD lowPos = 0;
567 long highPos = 0;
568 DWORD op = FILE_CURRENT;
569 HANDLE h = (HANDLE)fd;
570
571 if (whence == SEEK_END) {
572 op = FILE_END;
573 }
574 if (whence == SEEK_CUR) {
575 op = FILE_CURRENT;
576 }
577 if (whence == SEEK_SET) {
578 op = FILE_BEGIN;
579 }
580
581 distance.QuadPart = offset;
582 if (SetFilePointerEx(h, distance, &pos, op) == 0) {
583 return -1;
584 }
585 return long_to_jlong(pos.QuadPart);
586 }
|
1 /*
2 * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
566 DWORD lowPos = 0;
567 long highPos = 0;
568 DWORD op = FILE_CURRENT;
569 HANDLE h = (HANDLE)fd;
570
571 if (whence == SEEK_END) {
572 op = FILE_END;
573 }
574 if (whence == SEEK_CUR) {
575 op = FILE_CURRENT;
576 }
577 if (whence == SEEK_SET) {
578 op = FILE_BEGIN;
579 }
580
581 distance.QuadPart = offset;
582 if (SetFilePointerEx(h, distance, &pos, op) == 0) {
583 return -1;
584 }
585 return long_to_jlong(pos.QuadPart);
586 }
587
588 jlong
589 handleGetLength(FD fd) {
590 HANDLE h = (HANDLE) fd;
591 LARGE_INTEGER length;
592 if (GetFileSizeEx(h, &length) != 0) {
593 return long_to_jlong(length.QuadPart);
594 } else {
595 return -1;
596 }
597 }
|