From dd95854ea243acd0554621fd12e4b60c9c8ba9eb Mon Sep 17 00:00:00 2001
From: Mo Yi <moyi@stdb.io>
Date: Mon, 25 Mar 2024 20:01:48 +0800
Subject: [PATCH] Fix misaligned address asan (#71)

---
 src/streamvbytedelta_x64_encode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/streamvbytedelta_x64_encode.c b/src/streamvbytedelta_x64_encode.c
index 543bbc5..6daa253 100644
--- a/src/streamvbytedelta_x64_encode.c
+++ b/src/streamvbytedelta_x64_encode.c
@@ -66,7 +66,7 @@ static size_t streamvbyte_encode_SSE41_d1_init (const uint32_t* in, uint32_t cou
 		uint32_t dw = in[i] - prev; prev = in[i];
 		uint32_t symbol = (dw > 0x000000FF) + (dw > 0x0000FFFF) + (dw > 0x00FFFFFF);
 		key |= symbol << (i + i);
-		*((uint32_t*)dataPtr) = dw;
+		memcpy(dataPtr, &dw, 4);
 		dataPtr += 1 + symbol;
 	}
 	memcpy(keyPtr, &key, ((count & 7) + 3) >> 2);