ExternalVendorCode/AFLplusplus
1
0
Fork 0
mirror of https://github.com/AFLplusplus/AFLplusplus.git synced 2025-06-13 02:28:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix typos

Browse Source
This commit is contained in:
van Hauser
2020-06-13 10:58:30 +02:00
parent 615ab1a7b8
commit 1542c7f49c
3 changed files with 29 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/afl-performance.c
View File

@ -1,10 +1,11 @@
/* Written in 2019 by David Blackman and Sebastiano Vigna (vigna@acm.org)
/*
Written in 2019 by David Blackman and Sebastiano Vigna (vigna@acm.org)
To the extent possible under law, the author has dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
To the extent possible under law, the author has dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
See <http://creativecommons.org/publicdomain/zero/1.0/>.
See <http://creativecommons.org/publicdomain/zero/1.0/>.
This is xoshiro256++ 1.0, one of our all-purpose, rock-solid generators.
It has excellent (sub-ns) speed, a state (256 bits) that is large
@ -15,13 +16,17 @@ See <http://creativecommons.org/publicdomain/zero/1.0/>.
The state must be seeded so that it is not everywhere zero. If you have
a 64-bit seed, we suggest to seed a splitmix64 generator and use its
output to fill s. */
output to fill s[].
*/
#include <stdint.h>
#include "afl-fuzz.h"
#include "types.h"
#include "xxh3.h"
/* we use xoshiro256** instead of rand/random because it is 10x faster and has
better randomness properties. */
static inline uint64_t rotl(const uint64_t x, int k) {
return (x << k) | (x >> (64 - k));
@ -122,6 +127,9 @@ void long_jump(afl_state_t *afl) {
}
/* we switch from afl's murmur implementation to xxh3 as it is 30% faster -
and get 64 bit hashes instead of just 32 bit. Less collisions! :-) */
u32 hash32(const void *key, u32 len, u32 seed) {
return XXH64(key, len, seed) % 0x100000000;