1 /* 2 * Copyright (C) 2008 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 #ifndef _FEATURES_H_ 29 #define _FEATURES_H_ 30 31 /* certain Linux-specific programs expect a <features.h> header file 32 * that defines various features macros 33 */ 34 35 /* we do include a number of BSD extensions */ 36 #define _BSD_SOURCE 1 37 38 /* we do include a number of GNU extensions */ 39 #define _GNU_SOURCE 1 40 41 /* C95 support */ 42 #undef __USE_ISOC95 43 #if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199409L 44 # define __USE_ISOC95 1 45 #endif 46 47 /* C99 support */ 48 #undef __USE_ISOC99 49 #if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L 50 # define __USE_ISOC99 1 51 #endif 52 53 /* Posix support */ 54 #define __USE_POSIX 1 55 #define __USE_POSIX2 1 56 #define __USE_XPG 1 57 58 #endif /* _FEATURES_H_ */ 59