From 74e3bd9286d16fc1290abde061ee00831d5b36f8 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Mon, 24 Nov 2025 01:29:18 +0100
Subject: endianness.h: Default to little endian

---
 src/endianness.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'src')

diff --git a/src/endianness.h b/src/endianness.h
index ee9a1a5..972e51b 100644
--- a/src/endianness.h
+++ b/src/endianness.h
@@ -19,6 +19,13 @@
 #endif
 #endif
 
+#ifndef __BYTE_ORDER
+#ifndef _WIN32
+#warning __BYTE_ORDER is not defined, assuming little endian
+#endif
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
 #ifndef be16toh
 #if __BYTE_ORDER == __BIG_ENDIAN
 #define be16toh(x) (x)
@@ -27,6 +34,10 @@
 #endif
 #endif
 
+#ifndef htobe16
+#define htobe16 be16toh
+#endif
+
 #ifndef le16toh
 #if __BYTE_ORDER == __BIG_ENDIAN
 #define le16toh(x) ((((x) & 0xFF00) >> 8) | (((x) & 0x00FF) << 8))
@@ -35,6 +46,9 @@
 #endif
 #endif
 
+#ifndef htole16
+#define htole16 le16toh
+#endif
 
 #ifndef __bswap_32
 #define __bswap_32(x) ((((x) & 0xFF000000) >> 24) \
@@ -102,4 +116,15 @@
 #define htole64 le64toh
 #endif
 
+#if (defined(__BIG_ENDIAN__) \
+     && !defined(__FLOAT_WORD_ORDER__)) \
+ || (defined(__FLOAT_WORD_ORDER__) \
+     && __FLOAT_WORD_ORDER__ == __ORDER_BIG_ENDIAN__)
+#define float_bswap64(x) __bswap_64(x)
+#define float_bswap32(x) __bswap_32(x)
+#else
+#define float_bswap64(x) (x)
+#define float_bswap32(x) (x)
+#endif
+
 #endif /* ENDIANNESS_H */
-- 
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