From f8783749e760415506b4889ee7a970e876d0cb49 Mon Sep 17 00:00:00 2001
From: Thomas Debesse <dev@illwieckz.net>
Date: Tue, 4 May 2021 00:46:17 +0200
Subject: [PATCH] q3map2/help: only read terminal columns using ioctl on Posix
 systems

It does not work on Windows with MSYS2.

It is verified to work on Linux, FreeBSD and macOS.
---
 tools/quake3/q3map2/help.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/quake3/q3map2/help.c b/tools/quake3/q3map2/help.c
index f4fd717b..60631e3d 100644
--- a/tools/quake3/q3map2/help.c
+++ b/tools/quake3/q3map2/help.c
@@ -31,7 +31,10 @@
 /* dependencies */
 #include "q3map2.h"
 
+#if GDEF_OS_POSIX
 #include <sys/ioctl.h>
+#endif // GDEF_OS_POSIX
+
 static unsigned terminalColumns = 80;
 
 struct HelpOption
@@ -463,11 +466,13 @@ void HelpMain(const char* arg)
 	printf("       q3map2 -help [stage]\n");
 	printf("       q3map2 -help all\n\n");
 
+#if GDEF_OS_POSIX
 	struct winsize ws;
 	ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
 	if (ws.ws_col > 60) {
 		terminalColumns = ws.ws_col;
 	}
+#endif // GDEF_OS_POSIX
 
 	HelpCommon();
 
-- 
2.39.2