From a094f5173aefba96429624eb493b755b6d37bb60 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Fri, 17 Apr 2020 12:50:23 +0200
Subject: [PATCH] winevdm: Avoid using wine_get_config_dir().

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 programs/winevdm/winevdm.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/programs/winevdm/winevdm.c b/programs/winevdm/winevdm.c
index 64750db1355..bfc47b88536 100644
--- a/programs/winevdm/winevdm.c
+++ b/programs/winevdm/winevdm.c
@@ -31,7 +31,6 @@
 #include "winuser.h"
 #include "wincon.h"
 #include "wine/unicode.h"
-#include "wine/library.h"
 #include "wine/debug.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(winevdm);
@@ -150,11 +149,12 @@ static char *find_dosbox(void)
 static void start_dosbox( const char *appname, const char *args )
 {
     static const WCHAR cfgW[] = {'c','f','g',0};
-    const char *config_dir = wine_get_config_dir();
+    const char *home = getenv( "HOME" );
+    const char *prefix = getenv( "WINEPREFIX" );
     WCHAR path[MAX_PATH], config[MAX_PATH];
     HANDLE file;
     char *p, *buffer, app[MAX_PATH];
-    int i;
+    int i, len;
     int ret = 1;
     DWORD written, drives = GetLogicalDrives();
     char *dosbox = find_dosbox();
@@ -168,9 +168,10 @@ static void start_dosbox( const char *appname, const char *args )
     file = CreateFileW( config, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0 );
     if (file == INVALID_HANDLE_VALUE) return;
 
+    len = prefix ? strlen(prefix) : strlen(home) + strlen("/.wine");
     buffer = HeapAlloc( GetProcessHeap(), 0, sizeof("[autoexec]") +
                         sizeof("mount -z c") + sizeof("config -securemode") +
-                        25 * (strlen(config_dir) + sizeof("mount c /dosdevices/c:")) +
+                        25 * (len + sizeof("mount c /dosdevices/c:")) +
                         4 * strlenW( path ) +
                         6 + strlen( app ) + strlen( args ) + 20 );
     p = buffer;
@@ -182,8 +183,13 @@ static void start_dosbox( const char *appname, const char *args )
             break;
         }
     for (i = 0; i <= 25; i++)
-        if (drives & (1 << i))
-            p += sprintf( p, "mount %c %s/dosdevices/%c:\n", 'a' + i, config_dir, 'a' + i );
+    {
+        if (!(drives & (1 << i))) continue;
+        if (prefix)
+            p += sprintf( p, "mount %c %s/dosdevices/%c:\n", 'a' + i, prefix, 'a' + i );
+        else
+            p += sprintf( p, "mount %c %s/.wine/dosdevices/%c:\n", 'a' + i, home, 'a' + i );
+    }
     p += sprintf( p, "%c:\ncd ", path[0] );
     p += WideCharToMultiByte( CP_UNIXCP, 0, path + 2, -1, p, 4 * strlenW(path), NULL, NULL ) - 1;
     p += sprintf( p, "\nconfig -securemode\n" );