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Merge 680bdb58f7 into 4ec3be8bfa

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Jeremy Maitin-Shepard 2024-04-06 12:03:58 +08:00 committed by GitHub
parent 4ec3be8bfa 680bdb58f7
commit 0525703fe7
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1 changed files with 15 additions and 0 deletions
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c/blake3.c
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@ -5,6 +5,13 @@
#include "blake3.h"
#include "blake3_impl.h"
#ifdef __has_feature
#if __has_feature(memory_sanitizer)
#include <sanitizer/msan_interface.h>
#define BLAKE3_MEMORY_SANITIZER_BUILD
#endif
#endif
const char *blake3_version(void) { return BLAKE3_VERSION_STRING; }
INLINE void chunk_state_init(blake3_chunk_state *self, const uint32_t key[8],
@ -583,6 +590,10 @@ void blake3_hasher_finalize_seek(const blake3_hasher *self, uint64_t seek,
if (self->cv_stack_len == 0) {
output_t output = chunk_state_output(&self->chunk);
output_root_bytes(&output, seek, out, out_len);
#ifdef BLAKE3_MEMORY_SANITIZER_BUILD
// MemorySanitizer gives a false positive due to use of assembly.
__msan_unpoison(out, out_len);
#endif
return;
}
// If there are any bytes in the chunk state, finalize that chunk and do a
@ -611,6 +622,10 @@ void blake3_hasher_finalize_seek(const blake3_hasher *self, uint64_t seek,
output = parent_output(parent_block, self->key, self->chunk.flags);
}
output_root_bytes(&output, seek, out, out_len);
#ifdef BLAKE3_MEMORY_SANITIZER_BUILD
// MemorySanitizer gives a false positive due to use of assembly.
__msan_unpoison(out, out_len);
#endif
}
void blake3_hasher_reset(blake3_hasher *self) {