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[fuzzer] Fix FUZZ_seed()

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This commit is contained in:
Nick Terrell
2017-09-13 18:41:32 -07:00
parent 6c6412cef9
commit a6f08b4783
1 changed files with 2 additions and 1 deletions
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3
tests/fuzz/fuzz_helpers.h
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@ -55,10 +55,11 @@ extern "C" {
* Consumes up to the first FUZZ_RNG_SEED_SIZE bytes of the input. * Consumes up to the first FUZZ_RNG_SEED_SIZE bytes of the input.
*/ */
FUZZ_STATIC uint32_t FUZZ_seed(uint8_t const **src, size_t* size) { FUZZ_STATIC uint32_t FUZZ_seed(uint8_t const **src, size_t* size) {
uint8_t const *data = *src;
size_t const toHash = MIN(FUZZ_RNG_SEED_SIZE, *size); size_t const toHash = MIN(FUZZ_RNG_SEED_SIZE, *size);
return XXH32(*src, toHash, 0);
*size -= toHash; *size -= toHash;
*src += toHash; *src += toHash;
return XXH32(data, toHash, 0);
} }
#define FUZZ_rotl32(x, r) (((x) << (r)) | ((x) >> (32 - (r)))) #define FUZZ_rotl32(x, r) (((x) << (r)) | ((x) >> (32 - (r))))