From 98944a3495a599afc624a208bb7eb9907028f28c Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Thu, 6 Oct 2022 16:24:25 -0300
Subject: [PATCH] mapshape.c: avoid 'undefined-shift' issue with
 SWAP_FOUR_BYTES() macro (#6671)

---
 mapshape.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mapshape.c b/mapshape.c
index 0524c56f69..c15b378c7c 100644
--- a/mapshape.c
+++ b/mapshape.c
@@ -43,9 +43,7 @@
 #include <ogr_srs_api.h>
 
 /* Only use this macro on 32-bit integers! */
-#define SWAP_FOUR_BYTES(data) \
-  ( ((data >> 24) & 0x000000FF) | ((data >>  8) & 0x0000FF00) | \
-    ((data <<  8) & 0x00FF0000) | ((data << 24) & 0xFF000000) )
+#define SWAP_FOUR_BYTES(data) CPL_SWAP32(data)
 
 
 #define ByteCopy( a, b, c )     memcpy( b, a, c )