shithub: choc

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Add command line option to disable mmapped WAD I/O.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 1139

--- a/src/w_file.c

+++ b/src/w_file.c

@@ -28,6 +28,7 @@

 #include "doomdef.h"

 #include "doomtype.h"

+#include "m_argv.h"

 #include "w_file.h"

@@ -56,6 +57,16 @@

 {

     wad_file_t *result;

     int i;

+

+    //!

+    // Do not use the OS's virtual memory subsystem to map WAD files 

+    // directly into memory.

+    //

+

+    if (M_CheckParm("-nommap") > 0) 

+    {

+        return stdc_wad_file.OpenFile(path);

+    }

     // Try all classes in order until we find one that works