31c7309dc6
Without pulling in <linux/fs.h>, the UAPI source of these constants, because it's full of pollution, in particular a macro called BLOCK_SIZE that breaks a lot of stuff. Test: treehugger Change-Id: I7258ec57e91c67645c2b4d0ce44850d757c4bb12
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
|
|
* Copyright (C) 2016 The Android Open Source Project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
/**
|
|
* @file bits/seek_constants.h
|
|
* @brief The `SEEK_` constants.
|
|
*/
|
|
|
|
/** Seek to an absolute offset. */
|
|
#define SEEK_SET 0
|
|
/** Seek relative to the current offset. */
|
|
#define SEEK_CUR 1
|
|
/** Seek relative to the end of the file. */
|
|
#define SEEK_END 2
|
|
|
|
#if defined(__USE_GNU)
|
|
|
|
/**
|
|
* Seek to the first data (non-hole) location in the file
|
|
* greater than or equal to the given offset.
|
|
*
|
|
* See [lseek(2)](http://man7.org/linux/man-pages/man2/lseek.2.html).
|
|
*/
|
|
#define SEEK_DATA 3
|
|
|
|
/**
|
|
* Seek to the first hole (non-data) location in the file
|
|
* greater than or equal to the given offset.
|
|
*
|
|
* See [lseek(2)](http://man7.org/linux/man-pages/man2/lseek.2.html).
|
|
*/
|
|
#define SEEK_HOLE 4
|
|
|
|
#endif
|