From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 7 Apr 2019 18:36:50 +0000 (-0700)
Subject: Help the compiler with byte order
X-Git-Tag: emacs-27.0.90~3261^2~79
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=74732c541228ebb9f0a15b0a22132a85b32de89b;p=emacs.git

Help the compiler with byte order

* src/xsettings.c (parse_settings): Help the compiler by
letting it deduce the native endianness at compile-time.
---

diff --git a/src/xsettings.c b/src/xsettings.c
index 0c5e36d9d69..947d5cfb7b6 100644
--- a/src/xsettings.c
+++ b/src/xsettings.c
@@ -393,8 +393,8 @@ parse_settings (unsigned char *prop,
                 unsigned long bytes,
                 struct xsettings *settings)
 {
-  Lisp_Object byteorder = Fbyteorder ();
-  int my_bo = XFIXNAT (byteorder) == 'B' ? MSBFirst : LSBFirst;
+  int int1 = 1;
+  int my_bo = *(char *) &int1 == 1 ? LSBFirst : MSBFirst;
   int that_bo = prop[0];
   CARD32 n_settings;
   int bytes_parsed = 0;