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ovs/lib/random.h
Helmut Schaa 2737b46d87 lib/random: Make some functions in random.c inline
random_range, random_uint8 and random_uint16 are basically just wrappers
around random_uint32. Hence, don't export these functions so the compiler
can be smarter when it comes to optimizations.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
2013-12-13 08:35:15 -08:00

49 lines
1.1 KiB
C

/*
* Copyright (c) 2008, 2009, 2010, 2012 Nicira, Inc.
*
* 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:
*
* 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
#define RANDOM_H 1
#include <stddef.h>
#include <stdint.h>
void random_init(void);
void random_set_seed(uint32_t);
void random_bytes(void *, size_t);
uint32_t random_uint32(void);
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 */