From 8f24c4876a32b4f19e459bedd1fdbbc54cb0daa9 Mon Sep 17 00:00:00 2001
From: Duncan Ogilvie
Date: Thu, 28 Nov 2024 15:16:54 +0100
Subject: Switch from detecting little endian (common) to detecting big endian
 (rare)

This prevents a bug class where we bswap things when __LITTLE_ENDIAN__ is not defined.
Almost all modern systems are little endian, so detecting __BIG_ENDIAN__ is a better strategy.
---
 src/bplist.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

(limited to 'src/bplist.c')

diff --git a/src/bplist.c b/src/bplist.c
index 93f0bc6..1216974 100644
--- a/src/bplist.c
+++ b/src/bplist.c
@@ -168,15 +168,13 @@ union plist_uint_ptr
 
 #define get_real_bytes(x) ((x) == (float) (x) ? sizeof(float) : sizeof(double))
 
-#if (defined(__LITTLE_ENDIAN__) \
-     && !defined(__FLOAT_WORD_ORDER__)) \
- || (defined(__FLOAT_WORD_ORDER__) \
-     && __FLOAT_WORD_ORDER__ == __ORDER_LITTLE_ENDIAN__)
-#define float_bswap64(x) bswap64(x)
-#define float_bswap32(x) bswap32(x)
-#else
+#if (defined(__BIG_ENDIAN__) && !defined(__FLOAT_WORD_ORDER__)) \
+ || (defined(__FLOAT_WORD_ORDER__) && __FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__)
 #define float_bswap64(x) (x)
 #define float_bswap32(x) (x)
+#else
+#define float_bswap64(x) bswap64(x)
+#define float_bswap32(x) bswap32(x)
 #endif
 
 #ifndef __has_builtin
-- 
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