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Merge pull request #1760 from Kelimion/xxh3_fix

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[xxh3] Fix flaws in streaming implementation
This commit is contained in:
Jeroen van Rijn
2022-05-01 12:54:20 +02:00
committed by GitHub
parent 6ade9acc4d 335b724209
commit df233aee94
1 changed files with 4 additions and 4 deletions
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8
core/hash/xxhash/streaming.odin
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@@ -52,9 +52,6 @@ XXH3_128_reset_with_seed :: proc(state: ^XXH3_state, seed: XXH64_hash) -> (err:
XXH3_64_reset_with_seed :: XXH3_128_reset_with_seed
XXH3_128_update :: proc(state: ^XXH3_state, input: []u8) -> (err: Error) {
if len(input) < XXH3_MIDSIZE_MAX {
return .Error
}
return XXH3_update(state, input, XXH3_accumulate_512, XXH3_scramble_accumulator)
}
XXH3_64_update :: XXH3_128_update
@@ -127,6 +124,7 @@ XXH3_create_state :: proc(allocator := context.allocator) -> (res: ^XXH3_state,
err = nil if mem_error == nil else .Error
XXH3_init_state(state)
XXH3_128_reset(state)
return state, nil
}
@@ -234,7 +232,9 @@ XXH3_update :: #force_inline proc(
*/
if state.buffered_size > 0 {
load_size := int(XXH3_INTERNAL_BUFFER_SIZE - state.buffered_size)
mem_copy(&state.buffer[state.buffered_size], &input[0], load_size)
state_ptr := rawptr(uintptr(raw_data(state.buffer[:])) + uintptr(state.buffered_size))
mem_copy(state_ptr, raw_data(input), load_size)
input = input[load_size:]
XXH3_consume_stripes(