Merge pull request #428 from AFLplusplus/dev

Dev

1 files changed, 25 insertions, 2 deletions

diff --git a/src/afl-performance.c b/src/afl-performance.c
index 07069108..6631f148 100644
--- a/src/afl-performance.c
+++ b/src/afl-performance.c
@@ -33,6 +33,17 @@ static inline uint64_t rotl(const uint64_t x, int k) {
 
 }
 
+void rand_set_seed(afl_state_t *afl, s64 init_seed) {
+
+  afl->init_seed = init_seed;
+  afl->rand_seed[0] =
+      hash64((u8 *)&afl->init_seed, sizeof(afl->init_seed), HASH_CONST);
+  afl->rand_seed[1] = afl->rand_seed[0] ^ 0x1234567890abcdef;
+  afl->rand_seed[2] = afl->rand_seed[0] & 0x0123456789abcdef;
+  afl->rand_seed[3] = afl->rand_seed[0] | 0x01abcde43f567908;
+
+}
+
 uint32_t rand_next(afl_state_t *afl) {
 
   const uint32_t result =
@@ -132,13 +143,25 @@ 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 inline hash32(const void *key, u32 len, u32 seed) {
+#ifdef _DEBUG
+u32 hash32(u8 *key, u32 len, u32 seed) {
+
+#else
+u32 inline hash32(u8 *key, u32 len, u32 seed) {
+
+#endif
 
   return (u32)XXH64(key, len, seed);
 
 }
 
-u64 inline hash64(const void *key, u32 len, u64 seed) {
+#ifdef _DEBUG
+u64 hash64(u8 *key, u32 len, u64 seed) {
+
+#else
+u64 inline hash64(u8 *key, u32 len, u64 seed) {
+
+#endif
 
   return XXH64(key, len, seed);