From 7930039ef15cd6a406abcaba623bad8e6f8ec510 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Milo=C5=A1=20Komar=C4=8Devi=C4=87?=
 <miloskomarcevic@aim.com>
Date: Tue, 11 Jul 2023 15:33:26 +0200
Subject: [PATCH] Use compiler macros for endianness

---
 src/image.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/image.cpp b/src/image.cpp
index bc18d3c7c9..bfe1e1a53b 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -168,8 +168,12 @@ bool Image::isPrintICC(uint16_t type, Exiv2::PrintStructureOption option) {
 }
 
 bool Image::isBigEndianPlatform() {
-#if defined(__BYTE_ORDER)
-#if __BYTE_ORDER == __BIG_ENDIAN
+#ifdef __LITTLE_ENDIAN__
+  return false;
+#elif defined(__BIG_ENDIAN__)
+  return true;
+#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__)
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
   return true;
 #else
   return false;
@@ -184,7 +188,11 @@ bool Image::isBigEndianPlatform() {
 #endif
 }
 bool Image::isLittleEndianPlatform() {
+#ifdef __LITTLE_ENDIAN__
+  return true;
+#else
   return !isBigEndianPlatform();
+#endif
 }
 
 uint64_t Image::byteSwap(uint64_t value, bool bSwap) {