From 7d698c1bd64d0f112157d4d0ec209588c2aebe2a Mon Sep 17 00:00:00 2001

From: =?UTF-8?q?Jaakko=20Ker=C3=A4nen?= jaakko.keranen@iki.fi

Date: Thu, 28 Oct 2021 13:02:11 +0300

Subject: [PATCH 1/1] Fixed calculation of CRC-32

src/crc32.c | 5 ++---

1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/crc32.c b/src/crc32.c

index e2b48ff..2b11269 100644

--- a/src/crc32.c

+++ b/src/crc32.c

@@ -122,10 +122,9 @@ uint32_t iCrc32(const char *data, size_t size) {

     0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,

     0x2d02ef8dL

 };

• uint32_t crc32 = 0;

• uint32_t crc32 = 0xffffffffu;

 for (size_t i = 0; i < size; ++i) {

     crc32 = crc32_tab[(crc32 ^ data[i]) & 0xff] ^ (crc32 >> 8);

 }

• return crc32;

• return ~crc32;

}

--

2.25.1