1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #pragma once 30 31 /** 32 * @file bits/seek_constants.h 33 * @brief The `SEEK_` constants. 34 */ 35 36 /** Seek to an absolute offset. */ 37 #define SEEK_SET 0 38 /** Seek relative to the current offset. */ 39 #define SEEK_CUR 1 40 /** Seek relative to the end of the file. */ 41 #define SEEK_END 2 42 43 #if defined(__USE_GNU) 44 45 /** 46 * Seek to the first data (non-hole) location in the file 47 * greater than or equal to the given offset. 48 * 49 * See [lseek(2)](http://man7.org/linux/man-pages/man2/lseek.2.html). 50 */ 51 #define SEEK_DATA 3 52 53 /** 54 * Seek to the first hole (non-data) location in the file 55 * greater than or equal to the given offset. 56 * 57 * See [lseek(2)](http://man7.org/linux/man-pages/man2/lseek.2.html). 58 */ 59 #define SEEK_HOLE 4 60 61 #endif 62