X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Frandom.h;h=5fe50b725a160ad017f56af85e82f6ccdfdb4f13;hb=HEAD;hp=bba76933df10669c19ade6338780595a910048b3;hpb=064af42167bf4fc9aaea2702d80ce08074b889c0;p=sliver-openvswitch.git diff --git a/lib/random.h b/lib/random.h index bba76933d..5fe50b725 100644 --- a/lib/random.h +++ b/lib/random.h @@ -1,17 +1,17 @@ /* - * Copyright (c) 2008, 2009 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2012 Nicira, Inc. * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. */ #ifndef RANDOM_H @@ -21,10 +21,28 @@ #include void random_init(void); +void random_set_seed(uint32_t); + void random_bytes(void *, size_t); -uint8_t random_uint8(void); -uint16_t random_uint16(void); uint32_t random_uint32(void); -int random_range(int max); +uint64_t random_uint64(void); + +static inline int +random_range(int max) +{ + return random_uint32() % max; +} + +static inline uint8_t +random_uint8(void) +{ + return random_uint32(); +} + +static inline uint16_t +random_uint16(void) +{ + return random_uint32(); +} #endif /* random.h */