1 /* 2 * Copyright (c) 1999, 2000-2005 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #ifndef __SYS_RANDOM_H__ 30 #define __SYS_RANDOM_H__ 31 32 #ifndef KERNEL 33 #include <Availability.h> 34 #include <stddef.h> 35 #endif 36 #include <sys/appleapiopts.h> 37 #include <sys/cdefs.h> 38 39 #ifndef KERNEL 40 __BEGIN_DECLS 41 int getentropy(void* buffer, size_t size) __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0); 42 __END_DECLS 43 44 #else /* KERNEL */ 45 #ifdef __APPLE_API_UNSTABLE 46 __BEGIN_DECLS 47 void read_random(void* buffer, u_int numBytes); 48 void read_frandom(void* buffer, u_int numBytes); 49 int write_random(void* buffer, u_int numBytes); 50 __END_DECLS 51 #endif /* __APPLE_API_UNSTABLE */ 52 53 #endif /* KERNEL */ 54 #endif /* __SYS_RANDOM_H__ */ 55