From: Cameron Cawley <ccawley2011@gmail.com>
Date: Sun, 25 Feb 2024 18:08:53 +0000 (+0000)
Subject: Make use of unaligned loads on big endian in insert_string
X-Git-Tag: 2.2.2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c327d181313d026673953a0c88c5ee09fe56930a;p=thirdparty%2Fzlib-ng.git

Make use of unaligned loads on big endian in insert_string
---

diff --git a/insert_string_tpl.h b/insert_string_tpl.h
index 281c01346..a5685c4ed 100644
--- a/insert_string_tpl.h
+++ b/insert_string_tpl.h
@@ -29,9 +29,15 @@
 #  define HASH_CALC_MASK HASH_MASK
 #endif
 #ifndef HASH_CALC_READ
-#  if BYTE_ORDER == LITTLE_ENDIAN
-#    define HASH_CALC_READ \
-        memcpy(&val, strstart, sizeof(val));
+#  ifdef UNALIGNED_OK
+#    if BYTE_ORDER == LITTLE_ENDIAN
+#      define HASH_CALC_READ \
+          memcpy(&val, strstart, sizeof(val));
+#    else
+#      define HASH_CALC_READ \
+          memcpy(&val, strstart, sizeof(val)); \
+          val = ZSWAP32(val);
+#    endif
 #  else
 #    define HASH_CALC_READ \
         val  = ((uint32_t)(strstart[0])); \