File Revert-Switch-to-faster-CRC-implementations.patch of Package unar

From e1b3bae57127178805415f5f3251145fbbfd04a3 Mon Sep 17 00:00:00 2001
From: Bastian Germann <bage@debian.org>
Date: Tue, 16 Apr 2024 20:30:37 +0000
Subject: [PATCH] Revert "Switch to faster CRC implementations in some
 archives"

This reverts commit 2da64b6b62be7532fb28621164d5213fe4f37fe4 because the
faster CRC implementation calculates a wrong Gzip CRC on big endian machines.
---
 XADCRCHandle.m      | 2 +-
 XADGzipParser.m     | 2 +-
 XADRARInputHandle.m | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/XADCRCHandle.m b/XADCRCHandle.m
index d927046..43ffff4 100644
--- a/XADCRCHandle.m
+++ b/XADCRCHandle.m
@@ -127,7 +127,7 @@ correctCRC:(uint32_t)correctcrc CRCTable:(const uint32_t *)crctable
 - (int)streamAtMost:(int)num toBuffer:(void *)buffer
 {
     int actual=[parent readAtMost:num toBuffer:buffer];
-    crc=XADCalculateCRCFast(crc,buffer,actual,XADCRCTable_sliced16_edb88320);
+    crc=XADCalculateCRC(crc,buffer,actual,XADCRCTable_edb88320);
     return actual;
 }
 @end
diff --git a/XADGzipParser.m b/XADGzipParser.m
index 71c6e5b..dc16746 100644
--- a/XADGzipParser.m
+++ b/XADGzipParser.m
@@ -259,7 +259,7 @@ name:(NSString *)name propertiesToAdd:(NSMutableDictionary *)props
 		case DataState:
 		{
 			int actual=[currhandle readAtMost:num-bytesread toBuffer:&bytebuf[bytesread]];
-			crc=XADCalculateCRCFast(crc,&bytebuf[bytesread],actual,XADCRCTable_sliced16_edb88320);
+			crc=XADCalculateCRC(crc,&bytebuf[bytesread],actual,XADCRCTable_edb88320);
 
 			bytesread+=actual;
 
diff --git a/XADRARInputHandle.m b/XADRARInputHandle.m
index 33ae966..11ca1d4 100644
--- a/XADRARInputHandle.m
+++ b/XADRARInputHandle.m
@@ -68,7 +68,7 @@
 
 		[parent readBytes:numbytes toBuffer:&bytebuf[total]];
 
-        crc=XADCalculateCRCFast(crc,&bytebuf[total],numbytes,XADCRCTable_sliced16_edb88320);
+		crc=XADCalculateCRC(crc,&bytebuf[total],numbytes,XADCRCTable_edb88320);
 
 		total+=numbytes;
 
-- 
2.48.1