From 94c89017e587737b9dc61bd900e68f92f71de7c7 Mon Sep 17 00:00:00 2001
From: Ksawlii <ksawery.blaszczak@proton.me>
Date: Sun, 24 Nov 2024 00:23:23 +0100
Subject: [PATCH] Revert "xz: cleanup CRC32 edits from 2018"

This reverts commit f51cdb56a4e85936306253c8d207d4fb8b2bad4a.
---
 lib/xz/xz_crc32.c   | 2 +-
 lib/xz/xz_private.h | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/xz/xz_crc32.c b/lib/xz/xz_crc32.c
index 5627b00fc..88a2c35e1 100755
--- a/lib/xz/xz_crc32.c
+++ b/lib/xz/xz_crc32.c
@@ -29,7 +29,7 @@ STATIC_RW_DATA uint32_t xz_crc32_table[256];
 
 XZ_EXTERN void xz_crc32_init(void)
 {
-	const uint32_t poly = 0xEDB88320;
+	const uint32_t poly = CRC32_POLY_LE;
 
 	uint32_t i;
 	uint32_t j;
diff --git a/lib/xz/xz_private.h b/lib/xz/xz_private.h
index 482b90f36..09360ebb5 100755
--- a/lib/xz/xz_private.h
+++ b/lib/xz/xz_private.h
@@ -102,6 +102,10 @@
 #	endif
 #endif
 
+#ifndef CRC32_POLY_LE
+#define CRC32_POLY_LE 0xedb88320
+#endif
+
 /*
  * Allocate memory for LZMA2 decoder. xz_dec_lzma2_reset() must be used
  * before calling xz_dec_lzma2_run().