From 2ed9f7d0739f091727dea48ba46a65b103802bd9 Mon Sep 17 00:00:00 2001
From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Tue, 18 Sep 2012 11:57:22 +0000
Subject: [PATCH] command line option -readonly to turn off all writing

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11845 d7cf8633-e32d-0410-b094-e92efae38249
---
 fs.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs.c b/fs.c
index e21a5839..6e45cd81 100644
--- a/fs.c
+++ b/fs.c
@@ -2155,6 +2155,9 @@ int FS_SysOpenFD(const char *filepath, const char *mode, qboolean nonblocking)
 	if (nonblocking)
 		opt |= O_NONBLOCK;
 
+	if(COM_CheckParm("-readonly") && mod != O_RDONLY)
+		return -1;
+
 #ifdef WIN32
 # if _MSC_VER >= 1400
 	_sopen_s(&handle, filepath, mod | opt, (dolock ? ((mod == O_RDONLY) ? _SH_DENYRD : _SH_DENYRW) : _SH_DENYNO), _S_IREAD | _S_IWRITE);
@@ -3372,6 +3375,9 @@ qboolean FS_SysFileExists (const char *path)
 
 void FS_mkdir (const char *path)
 {
+	if(COM_CheckParm("-readonly"))
+		return;
+
 #if WIN32
 	_mkdir (path);
 #else
-- 
2.39.2