xserver mesa xkbcomp libxcb git update 21 jan 2011

1 files changed, 1111 insertions, 1108 deletions

diff --git a/xorg-server/hw/xwin/InitOutput.c b/xorg-server/hw/xwin/InitOutput.c
index fea4a34f9..7faed0170 100644
--- a/xorg-server/hw/xwin/InitOutput.c
+++ b/xorg-server/hw/xwin/InitOutput.c
@@ -1,1108 +1,1111 @@
-

-/*

-

-Copyright 1993, 1998  The Open Group

-Copyright (C) Colin Harrison 2005-2008

-

-Permission to use, copy, modify, distribute, and sell this software and its

-documentation for any purpose is hereby granted without fee, provided that

-the above copyright notice appear in all copies and that both that

-copyright notice and this permission notice appear in supporting

-documentation.

-

-The above copyright notice and this permission notice shall be included

-in all copies or substantial portions of the Software.

-

-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

-IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR

-OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

-OTHER DEALINGS IN THE SOFTWARE.

-

-Except as contained in this notice, the name of The Open Group shall

-not be used in advertising or otherwise to promote the sale, use or

-other dealings in this Software without prior written authorization

-from The Open Group.

-

-*/

-

-#ifdef HAVE_XWIN_CONFIG_H

-#include <xwin-config.h>

-#endif

-#include "win.h"

-#include "winmsg.h"

-#include "winconfig.h"

-#include "winprefs.h"

-#ifdef XWIN_CLIPBOARD

-#include "X11/Xlocale.h"

-#endif

-#ifdef DPMSExtension

-#include "dpmsproc.h"

-#endif

-#ifdef __CYGWIN__

-#include <mntent.h>

-#endif

-#if defined(WIN32)

-#include "xkbsrv.h"

-#endif

-#ifdef RELOCATE_PROJECTROOT

-#include <shlobj.h>

-typedef HRESULT (*SHGETFOLDERPATHPROC)(

-    HWND hwndOwner,

-    int nFolder,

-    HANDLE hToken,

-    DWORD dwFlags,

-    LPTSTR pszPath

-);

-#endif

-

-/*

- * References to external symbols

- */

-#ifdef XWIN_CLIPBOARD

-extern Bool			g_fUnicodeClipboard;

-extern Bool			g_fClipboardLaunched;

-extern Bool			g_fClipboardStarted;

-extern pthread_t		g_ptClipboardProc;

-extern HWND			g_hwndClipboard;

-extern Bool			g_fClipboard;

-#endif

-

-

-/*

-  module handle for dynamically loaded comctl32 library

-*/

-static HMODULE g_hmodCommonControls = NULL;

-

-/*

- * Function prototypes

- */

-

-#ifdef XWIN_CLIPBOARD

-static void

-winClipboardShutdown (void);

-#endif

-

-#if defined(DDXOSVERRORF)

-void

-OsVendorVErrorF (const char *pszFormat, va_list va_args);

-#endif

-

-static Bool

-winCheckDisplayNumber (void);

-

-void

-winLogCommandLine (int argc, char *argv[]);

-

-void

-winLogVersionInfo (void);

-

-Bool

-winValidateArgs (void);

-

-#ifdef RELOCATE_PROJECTROOT

-const char *

-winGetBaseDir(void);

-#endif

-

-/*

- * For the depth 24 pixmap we default to 32 bits per pixel, but

- * we change this pixmap format later if we detect that the display

- * is going to be running at 24 bits per pixel.

- *

- * FIXME: On second thought, don't DIBs only support 32 bits per pixel?

- * DIBs are the underlying bitmap used for DirectDraw surfaces, so it

- * seems that all pixmap formats with depth 24 would be 32 bits per pixel.

- * Confirm whether depth 24 DIBs can have 24 bits per pixel, then remove/keep

- * the bits per pixel adjustment and update this comment to reflect the

- * situation.  Harold Hunt - 2002/07/02

- */

-

-static PixmapFormatRec g_PixmapFormats[] = {

-  { 1,    1,      BITMAP_SCANLINE_PAD },

-  { 4,    8,      BITMAP_SCANLINE_PAD },

-  { 8,    8,      BITMAP_SCANLINE_PAD },

-  { 15,   16,     BITMAP_SCANLINE_PAD },

-  { 16,   16,     BITMAP_SCANLINE_PAD },

-  { 24,   32,     BITMAP_SCANLINE_PAD },

-  { 32,   32,     BITMAP_SCANLINE_PAD }

-};

-

-const int NUMFORMATS = sizeof (g_PixmapFormats) / sizeof (g_PixmapFormats[0]);

-

-#ifdef XWIN_CLIPBOARD

-static void

-winClipboardShutdown (void)

-{

-  /* Close down clipboard resources */

-  if (g_fClipboard && g_fClipboardLaunched && g_fClipboardStarted)

-    {

-      /* Synchronously destroy the clipboard window */

-      if (g_hwndClipboard != NULL)

-	{

-	  SendMessage (g_hwndClipboard, WM_DESTROY, 0, 0);

-	  /* NOTE: g_hwndClipboard is set to NULL in winclipboardthread.c */

-	}

-      else

-	return;

-      

-      /* Wait for the clipboard thread to exit */

-      pthread_join (g_ptClipboardProc, NULL);

-

-      g_fClipboardLaunched = FALSE;

-      g_fClipboardStarted = FALSE;

-

-      winDebug ("winClipboardShutdown - Clipboard thread has exited.\n");

-    }

-}

-#endif

-

-void

-ddxPushProviders(void)

-{

-#ifdef XWIN_GLX_WINDOWS

-  if (g_fNativeGl)

-    {

-      /* install the native GL provider */

-      glxWinPushNativeProvider();

-    }

-#endif

-}

-

-#if defined(DDXBEFORERESET)

-/*

- * Called right before KillAllClients when the server is going to reset,

- * allows us to shutdown our seperate threads cleanly.

- */

-

-void

-ddxBeforeReset (void)

-{

-  winDebug ("ddxBeforeReset - Hello\n");

-

-#ifdef XWIN_CLIPBOARD

-  winClipboardShutdown ();

-#endif

-}

-#endif

-

-

-/* See Porting Layer Definition - p. 57 */

-void

-ddxGiveUp (void)

-{

-  int		i;

-

-#if CYGDEBUG

-  winDebug ("ddxGiveUp\n");

-#endif

-

-  /* Perform per-screen deinitialization */

-  for (i = 0; i < g_iNumScreens; ++i)

-    {

-      /* Delete the tray icon */

-      if (!g_ScreenInfo[i].fNoTrayIcon && g_ScreenInfo[i].pScreen)

- 	winDeleteNotifyIcon (winGetScreenPriv (g_ScreenInfo[i].pScreen));

-    }

-

-#ifdef XWIN_MULTIWINDOW

-  /* Notify the worker threads we're exiting */

-  winDeinitMultiWindowWM ();

-#endif

-

-#ifdef HAS_DEVWINDOWS

-  /* Close our handle to our message queue */

-  if (g_fdMessageQueue != WIN_FD_INVALID)

-    {

-      /* Close /dev/windows */

-      close (g_fdMessageQueue);

-

-      /* Set the file handle to invalid */

-      g_fdMessageQueue = WIN_FD_INVALID;

-    }

-#endif

-

-  if (!g_fLogInited) {

-    g_pszLogFile = LogInit (g_pszLogFile, NULL);

-    g_fLogInited = TRUE;

-  }  

-  LogClose ();

-

-  /*

-   * At this point we aren't creating any new screens, so

-   * we are guaranteed to not need the DirectDraw functions.

-   */

-  winReleaseDDProcAddresses();

-

-  /* Unload our TrackMouseEvent function pointer */

-  if (g_hmodCommonControls != NULL)

-    {

-      FreeLibrary (g_hmodCommonControls);

-      g_hmodCommonControls = NULL;

-      g_fpTrackMouseEvent = (FARPROC) (void (*)(void))NoopDDA;

-    }

-  

-  /* Free concatenated command line */

-  free(g_pszCommandLine);

-  g_pszCommandLine = NULL;

-

-  /* Remove our keyboard hook if it is installed */

-  winRemoveKeyboardHookLL ();

-

-  /* Tell Windows that we want to end the app */

-  PostQuitMessage (0);

-}

-

-

-/* See Porting Layer Definition - p. 57 */

-void

-AbortDDX (void)

-{

-#if CYGDEBUG

-  winDebug ("AbortDDX\n");

-#endif

-  ddxGiveUp ();

-}

-

-#ifdef __CYGWIN__

-/* hasmntopt is currently not implemented for cygwin */

-static const char *winCheckMntOpt(const struct mntent *mnt, const char *opt)

-{

-    const char *s;

-    size_t len;

-    if (mnt == NULL)

-        return NULL;

-    if (opt == NULL)

-        return NULL;

-    if (mnt->mnt_opts == NULL)

-        return NULL;

-

-    len = strlen(opt);

-    s = strstr(mnt->mnt_opts, opt);

-    if (s == NULL)

-        return NULL;

-    if ((s == mnt->mnt_opts || *(s-1) == ',') &&  (s[len] == 0 || s[len] == ','))

-        return (char *)opt;

-    return NULL;

-}

-

-static void

-winCheckMount(void)

-{

-  FILE *mnt;

-  struct mntent *ent;

-

-  enum { none = 0, sys_root, user_root, sys_tmp, user_tmp } 

-    level = none, curlevel;

-  BOOL binary = TRUE;

-

-  mnt = setmntent("/etc/mtab", "r");

-  if (mnt == NULL)

-  {

-    ErrorF("setmntent failed");

-    return;

-  }

-

-  while ((ent = getmntent(mnt)) != NULL)

-  {

-    BOOL system = (winCheckMntOpt(ent, "user") != NULL);

-    BOOL root = (strcmp(ent->mnt_dir, "/") == 0);

-    BOOL tmp = (strcmp(ent->mnt_dir, "/tmp") == 0);

-    

-    if (system)

-    {

-      if (root)

-        curlevel = sys_root;

-      else if (tmp)

-        curlevel = sys_tmp;

-      else

-        continue;

-    }

-    else

-    {

-      if (root)

-        curlevel = user_root;

-      else if (tmp) 

-        curlevel = user_tmp;

-      else

-        continue;

-    }

-

-    if (curlevel <= level)

-      continue;

-    level = curlevel;

-

-    if ((winCheckMntOpt(ent, "binary") == NULL) &&

-        (winCheckMntOpt(ent, "binmode") == NULL))

-      binary = FALSE;

-    else

-      binary = TRUE;

-  }

-    

-  if (endmntent(mnt) != 1)

-  {

-    ErrorF("endmntent failed");

-    return;

-  }

-  

- if (!binary) 

-   winMsg(X_WARNING, "/tmp mounted in textmode\n");

-}

-#else

-static void

-winCheckMount(void) 

-{

-}

-#endif

-

-#ifdef RELOCATE_PROJECTROOT

-const char * 

-winGetBaseDir(void)

-{

-    static BOOL inited = FALSE;

-    static char buffer[MAX_PATH];

-    if (!inited)

-    {

-        char *fendptr;

-        HMODULE module = GetModuleHandle(NULL);

-        DWORD size = GetModuleFileName(module, buffer, sizeof(buffer));

-        if (sizeof(buffer) > 0)

-            buffer[sizeof(buffer)-1] = 0;

-    

-        fendptr = buffer + size;

-        while (fendptr > buffer)

-        {

-            if (*fendptr == '\\' || *fendptr == '/')

-            {

-                *fendptr = 0;

-                break;

-            }

-            fendptr--;

-        }

-        inited = TRUE;

-    }

-    return buffer;

-}

-#endif

-

-static void

-winFixupPaths (void)

-{

-    BOOL changed_fontpath = FALSE;

-    MessageType font_from = X_DEFAULT;

-#ifdef RELOCATE_PROJECTROOT

-    const char *basedir = winGetBaseDir();

-    size_t basedirlen = strlen(basedir);

-#endif

-

-#ifdef READ_FONTDIRS

-    {

-        /* Open fontpath configuration file */

-        FILE *fontdirs = fopen(ETCX11DIR "/font-dirs", "rt");

-        if (fontdirs != NULL)

-        {

-            char buffer[256];

-            int needs_sep = TRUE; 

-            int comment_block = FALSE;

-

-            /* get default fontpath */

-            char *fontpath = strdup(defaultFontPath);

-            size_t size = strlen(fontpath);

-

-            /* read all lines */

-            while (!feof(fontdirs))

-            {

-                size_t blen;

-                char *hashchar;

-                char *str;

-                int has_eol = FALSE;

-

-                /* read one line */

-                str = fgets(buffer, sizeof(buffer), fontdirs);

-                if (str == NULL) /* stop on error or eof */

-                    break;

-

-                if (strchr(str, '\n') != NULL)

-                    has_eol = TRUE;

-

-                /* check if block is continued comment */

-                if (comment_block)

-                {

-                    /* ignore all input */

-                    *str = 0; 

-                    blen = 0; 

-                    if (has_eol) /* check if line ended in this block */

-                        comment_block = FALSE;

-                }

-                else 

-                {

-                    /* find comment character. ignore all trailing input */

-                    hashchar = strchr(str, '#');

-                    if (hashchar != NULL)

-                    {

-                        *hashchar = 0;

-                        if (!has_eol) /* mark next block as continued comment */

-                            comment_block = TRUE;

-                    }

-                }

-

-                /* strip whitespaces from beginning */

-                while (*str == ' ' || *str == '\t')

-                    str++;

-

-                /* get size, strip whitespaces from end */ 

-                blen = strlen(str);

-                while (blen > 0 && (str[blen-1] == ' ' || 

-                            str[blen-1] == '\t' || str[blen-1] == '\n'))

-                {

-                    str[--blen] = 0;

-                }

-

-                /* still something left to add? */ 

-                if (blen > 0)

-                {

-                    size_t newsize = size + blen;

-                    /* reserve one character more for ',' */

-                    if (needs_sep)

-                        newsize++;

-

-                    /* allocate memory */

-                    if (fontpath == NULL)

-                        fontpath = malloc(newsize+1);

-                    else

-                        fontpath = realloc(fontpath, newsize+1);

-

-                    /* add separator */

-                    if (needs_sep)

-                    {

-                        fontpath[size] = ',';

-                        size++;

-                        needs_sep = FALSE;

-                    }

-

-                    /* mark next line as new entry */

-                    if (has_eol)

-                        needs_sep = TRUE;

-

-                    /* add block */

-                    strncpy(fontpath + size, str, blen);

-                    fontpath[newsize] = 0;

-                    size = newsize;

-                }

-            }

-

-            /* cleanup */

-            fclose(fontdirs);  

-            defaultFontPath = strdup(fontpath);

-            free(fontpath);

-            changed_fontpath = TRUE;

-            font_from = X_CONFIG;

-        }

-    }

-#endif /* READ_FONTDIRS */

-#ifdef RELOCATE_PROJECTROOT

-    {

-        const char *libx11dir = PROJECTROOT "/lib/X11";

-        size_t libx11dir_len = strlen(libx11dir);

-        char *newfp = NULL;

-        size_t newfp_len = 0;

-        const char *endptr, *ptr, *oldptr = defaultFontPath;

-

-        endptr = oldptr + strlen(oldptr);

-        ptr = strchr(oldptr, ',');

-        if (ptr == NULL)

-            ptr = endptr;

-        while (ptr != NULL)

-        {

-            size_t oldfp_len = (ptr - oldptr);

-            size_t newsize = oldfp_len;

-            char *newpath = malloc(newsize + 1);

-            strncpy(newpath, oldptr, newsize);

-            newpath[newsize] = 0;

-

-

-            if (strncmp(libx11dir, newpath, libx11dir_len) == 0)

-            {

-                char *compose;

-                newsize = newsize - libx11dir_len + basedirlen;

-                compose = malloc(newsize + 1);  

-                strcpy(compose, basedir);

-                strncat(compose, newpath + libx11dir_len, newsize - basedirlen);

-                compose[newsize] = 0;

-                free(newpath);

-                newpath = compose;

-            }

-

-            oldfp_len = newfp_len;

-            if (oldfp_len > 0)

-                newfp_len ++; /* space for separator */

-            newfp_len += newsize;

-

-            if (newfp == NULL)

-                newfp = malloc(newfp_len + 1);

-            else

-                newfp = realloc(newfp, newfp_len + 1);

-

-            if (oldfp_len > 0)

-            {

-                strcpy(newfp + oldfp_len, ",");

-                oldfp_len++;

-            }

-            strcpy(newfp + oldfp_len, newpath);

-

-            free(newpath);

-

-            if (*ptr == 0)

-            {

-                oldptr = ptr;

-                ptr = NULL;

-            } else

-            {

-                oldptr = ptr + 1;

-                ptr = strchr(oldptr, ',');

-                if (ptr == NULL)

-                    ptr = endptr;

-            }

-        } 

-

-        defaultFontPath = strdup(newfp);

-        free(newfp);

-        changed_fontpath = TRUE;

-    }

-#endif /* RELOCATE_PROJECTROOT */

-    if (changed_fontpath)

-        winMsg (font_from, "FontPath set to \"%s\"\n", defaultFontPath);

-

-#ifdef RELOCATE_PROJECTROOT

-    if (getenv("XKEYSYMDB") == NULL)

-    {

-        char buffer[MAX_PATH];

-        snprintf(buffer, sizeof(buffer), "XKEYSYMDB=%s\\XKeysymDB",

-                basedir);

-        buffer[sizeof(buffer)-1] = 0;

-        putenv(buffer);

-    }

-    if (getenv("XERRORDB") == NULL)

-    {

-        char buffer[MAX_PATH];

-        snprintf(buffer, sizeof(buffer), "XERRORDB=%s\\XErrorDB",

-                basedir);

-        buffer[sizeof(buffer)-1] = 0;

-        putenv(buffer);

-    }

-    if (getenv("XLOCALEDIR") == NULL)

-    {

-        char buffer[MAX_PATH];

-        snprintf(buffer, sizeof(buffer), "XLOCALEDIR=%s\\locale",

-                basedir);

-        buffer[sizeof(buffer)-1] = 0;

-        putenv(buffer);

-    }

-    if (getenv("HOME") == NULL)

-    {

-        HMODULE shfolder;

-        SHGETFOLDERPATHPROC shgetfolderpath = NULL;

-        char buffer[MAX_PATH + 5];

-        strncpy(buffer, "HOME=", 5);

-

-        /* Try to load SHGetFolderPath from shfolder.dll and shell32.dll */

-        

-        shfolder = LoadLibrary("shfolder.dll");

-        /* fallback to shell32.dll */

-        if (shfolder == NULL)

-            shfolder = LoadLibrary("shell32.dll");

-

-        /* resolve SHGetFolderPath */

-        if (shfolder != NULL)

-            shgetfolderpath = (SHGETFOLDERPATHPROC)GetProcAddress(shfolder, "SHGetFolderPathA");

-

-        /* query appdata directory */

-        if (shgetfolderpath &&

-                shgetfolderpath(NULL, CSIDL_APPDATA|CSIDL_FLAG_CREATE, NULL, 0, 

-                    buffer + 5) == 0)

-        { 

-            putenv(buffer);

-        } else

-        {

-            winMsg (X_ERROR, "Can not determine HOME directory\n");

-        } 

-        if (shfolder != NULL)

-            FreeLibrary(shfolder);

-    }

-    if (!g_fLogFileChanged) {

-        static char buffer[MAX_PATH];

-        DWORD size = GetTempPath(sizeof(buffer), buffer);

-        if (size && size < sizeof(buffer))

-        {

-            snprintf(buffer + size, sizeof(buffer) - size, 

-                    "XWin.%s.log", display); 

-            buffer[sizeof(buffer)-1] = 0;

-            g_pszLogFile = buffer;

-            winMsg (X_DEFAULT, "Logfile set to \"%s\"\n", g_pszLogFile);

-        }

-    }

-    {

-        static char xkbbasedir[MAX_PATH];

-

-        snprintf(xkbbasedir, sizeof(xkbbasedir), "%s\\xkb", basedir);

-        if (sizeof(xkbbasedir) > 0)

-            xkbbasedir[sizeof(xkbbasedir)-1] = 0;

-        XkbBaseDirectory = xkbbasedir;

-	XkbBinDirectory = basedir;

-    }

-#endif /* RELOCATE_PROJECTROOT */

-}

-

-void

-OsVendorInit (void)

-{

-  /* Re-initialize global variables on server reset */

-  winInitializeGlobals ();

-

-  winFixupPaths();

-

-#ifdef DDXOSVERRORF

-  if (!OsVendorVErrorFProc)

-    OsVendorVErrorFProc = OsVendorVErrorF;

-#endif

-

-  if (!g_fLogInited) {

-    /* keep this order. If LogInit fails it calls Abort which then calls

-     * ddxGiveUp where LogInit is called again and creates an infinite 

-     * recursion. If we set g_fLogInited to TRUE before the init we 

-     * avoid the second call 

-     */  

-    g_fLogInited = TRUE;

-    g_pszLogFile = LogInit (g_pszLogFile, NULL);

-  } 

-  LogSetParameter (XLOG_FLUSH, 1);

-  LogSetParameter (XLOG_VERBOSITY, g_iLogVerbose);

-  LogSetParameter (XLOG_FILE_VERBOSITY, g_iLogVerbose);

-

-  /* Log the version information */

-  if (serverGeneration == 1)

-    winLogVersionInfo ();

-

-  winCheckMount();  

-

-  /* Add a default screen if no screens were specified */

-  if (g_iNumScreens == 0)

-    {

-      winDebug ("OsVendorInit - Creating default screen 0\n");

-

-      /*

-       * We need to initialize the default screen 0 if no -screen

-       * arguments were processed.

-       *

-       * Add a screen 0 using the defaults set by winInitializeDefaultScreens()

-       * and any additional default screen parameters given

-       */

-      winInitializeScreens(1);

-

-      /* We have to flag this as an explicit screen, even though it isn't */

-      g_ScreenInfo[0].fExplicitScreen = TRUE;

-    }

-}

-

-

-static void

-winUseMsg (void)

-{

-  ErrorF("\n");

-  ErrorF("\n");

-  ErrorF(EXECUTABLE_NAME " Device Dependent Usage:\n");

-  ErrorF("\n");

-

-#ifdef XWIN_CLIPBOARD

-  ErrorF ("-[no]clipboard\n"

-	  "\tEnable [disable] the clipboard integration. Default is enabled.\n");

-#endif

-

-  ErrorF ("-clipupdates num_boxes\n"

-	  "\tUse a clipping region to constrain shadow update blits to\n"

-	  "\tthe updated region when num_boxes, or more, are in the\n"

-	  "\tupdated region.\n");

-

-#ifdef XWIN_XF86CONFIG

-  ErrorF ("-config\n"

-          "\tSpecify a configuration file.\n");

-

-  ErrorF ("-configdir\n"

-          "\tSpecify a configuration directory.\n");

-#endif

-

-  ErrorF ("-depth bits_per_pixel\n"

-	  "\tSpecify an optional bitdepth to use in fullscreen mode\n"

-	  "\twith a DirectDraw engine.\n");

-

-  ErrorF ("-emulate3buttons [timeout]\n"

-	  "\tEmulate 3 button mouse with an optional timeout in\n"

-	  "\tmilliseconds.\n");

-

-#ifdef XWIN_EMULATEPSEUDO

-  ErrorF ("-emulatepseudo\n"

-	  "\tCreate a depth 8 PseudoColor visual when running in\n"

-	  "\tdepths 15, 16, 24, or 32, collectively known as TrueColor\n"

-	  "\tdepths.  The PseudoColor visual does not have correct colors,\n"

-	  "\tand it may crash, but it at least allows you to run your\n"

-	  "\tapplication in TrueColor modes.\n");

-#endif

-

-  ErrorF ("-engine engine_type_id\n"

-	  "\tOverride the server's automatically selected engine type:\n"

-	  "\t\t1 - Shadow GDI\n"

-	  "\t\t2 - Shadow DirectDraw\n"

-	  "\t\t4 - Shadow DirectDraw4 Non-Locking\n"

-#ifdef XWIN_NATIVEGDI

-	  "\t\t16 - Native GDI - experimental\n"

-#endif

-	  );

-

-  ErrorF ("-fullscreen\n"

-	  "\tRun the server in fullscreen mode.\n");

-

-  ErrorF ("-ignoreinput\n"

-	  "\tIgnore keyboard and mouse input.\n");

-

-#ifdef XWIN_MULTIWINDOWEXTWM

-  ErrorF ("-internalwm\n"

-	  "\tRun the internal window manager.\n");

-#endif

-

-#ifdef XWIN_XF86CONFIG

-  ErrorF ("-keyboard\n"

-	  "\tSpecify a keyboard device from the configuration file.\n");

-#endif

-

-  ErrorF ("-[no]keyhook\n"

-	  "\tGrab special Windows keypresses like Alt-Tab or the Menu "

-          "key.\n");

-

-  ErrorF ("-lesspointer\n"

-	  "\tHide the windows mouse pointer when it is over any\n"

-          "\t" EXECUTABLE_NAME " window.  This prevents ghost cursors appearing when\n"

-	  "\tthe Windows cursor is drawn on top of the X cursor\n");

-

-  ErrorF ("-logfile filename\n"

-	  "\tWrite log messages to <filename>.\n");

-

-  ErrorF ("-logverbose verbosity\n"

-	  "\tSet the verbosity of log messages. [NOTE: Only a few messages\n"

-	  "\trespect the settings yet]\n"

-	  "\t\t0 - only print fatal error.\n"

-	  "\t\t1 - print additional configuration information.\n"

-	  "\t\t2 - print additional runtime information [default].\n"

-	  "\t\t3 - print debugging and tracing information.\n");

-

-  ErrorF ("-[no]multimonitors or -[no]multiplemonitors\n"

-	  "\tUse the entire virtual screen if multiple\n"

-	  "\tmonitors are present.\n");

-

-#ifdef XWIN_MULTIWINDOW

-  ErrorF ("-multiwindow\n"

-	  "\tRun the server in multi-window mode.\n");

-#endif

-

-#ifdef XWIN_MULTIWINDOWEXTWM

-  ErrorF ("-mwextwm\n"

-	  "\tRun the server in multi-window external window manager mode.\n");

-#endif

-

-  ErrorF ("-nodecoration\n"

-          "\tDo not draw a window border, title bar, etc.  Windowed\n"

-	  "\tmode only.\n");

-

-#ifdef XWIN_CLIPBOARD

-  ErrorF ("-nounicodeclipboard\n"

-	  "\tDo not use Unicode clipboard even if on a NT-based platform.\n");

-#endif

-

-  ErrorF ("-refresh rate_in_Hz\n"

-	  "\tSpecify an optional refresh rate to use in fullscreen mode\n"

-	  "\twith a DirectDraw engine.\n");

-

-  ErrorF ("-rootless\n"

-	  "\tRun the server in rootless mode.\n");

-

-  ErrorF ("-screen scr_num [width height [x y] | [[WxH[+X+Y]][@m]] ]\n"

-	  "\tEnable screen scr_num and optionally specify a width and\n"

-	  "\theight and initial position for that screen. Additionally\n"

-	  "\ta monitor number can be specified to start the server on,\n"

-	  "\tat which point, all coordinates become relative to that\n"

-      "\tmonitor (Not for Windows NT4 and 95). Examples:\n"

-      "\t -screen 0 800x600+100+100@2 ; 2nd monitor offset 100,100 size 800x600\n"

-      "\t -screen 0 1024x768@3        ; 3rd monitor size 1024x768\n"

-      "\t -screen 0 @1 ; on 1st monitor using its full resolution (the default)\n");

-

-  ErrorF ("-scrollbars\n"

-	  "\tIn windowed mode, allow screens bigger than the Windows desktop.\n"

-	  "\tMoreover, if the window has decorations, one can now resize\n"

-	  "\tit.\n");

-

-  ErrorF ("-silent-dup-error\n"

-	  "\tIf another instance of " EXECUTABLE_NAME " with the same display number is running\n"

-	  "\texit silently and don't display any error message.\n");

-

-  ErrorF ("-swcursor\n"

-	  "\tDisable the usage of the Windows cursor and use the X11 software\n"

-	  "\tcursor instead.\n");

-

-  ErrorF ("-[no]trayicon\n"

-          "\tDo not create a tray icon.  Default is to create one\n"

-	  "\ticon per screen.  You can globally disable tray icons with\n"

-	  "\t-notrayicon, then enable it for specific screens with\n"

-	  "\t-trayicon for those screens.\n");

-

-  ErrorF ("-[no]unixkill\n"

-          "\tCtrl+Alt+Backspace exits the X Server.\n");

-

-#ifdef XWIN_GLX_WINDOWS

-  ErrorF ("-[no]wgl\n"

-	  "\tEnable the GLX extension to use the native Windows WGL interface for accelerated OpenGL\n");

-#endif

-

-  ErrorF ("-[no]winkill\n"

-          "\tAlt+F4 exits the X Server.\n");

-

-  ErrorF ("-xkblayout XKBLayout\n"

-	  "\tEquivalent to XKBLayout in XF86Config files.\n"

-	  "\tFor example: -xkblayout de\n");

-

-  ErrorF ("-xkbmodel XKBModel\n"

-	  "\tEquivalent to XKBModel in XF86Config files.\n");

-

-  ErrorF ("-xkboptions XKBOptions\n"

-	  "\tEquivalent to XKBOptions in XF86Config files.\n");

-

-  ErrorF ("-xkbrules XKBRules\n"

-	  "\tEquivalent to XKBRules in XF86Config files.\n");

-

-  ErrorF ("-xkbvariant XKBVariant\n"

-	  "\tEquivalent to XKBVariant in XF86Config files.\n"

-	  "\tFor example: -xkbvariant nodeadkeys\n");

-}

-

-/* See Porting Layer Definition - p. 57 */

-void

-ddxUseMsg(void)

-{

-  /* Set a flag so that FatalError won't give duplicate warning message */

-  g_fSilentFatalError = TRUE;

-  

-  winUseMsg();  

-

-  /* Log file will not be opened for UseMsg unless we open it now */

-  if (!g_fLogInited) {

-    g_pszLogFile = LogInit (g_pszLogFile, NULL);

-    g_fLogInited = TRUE;

-  }  

-  LogClose ();

-

-  /* Notify user where UseMsg text can be found.*/

-  if (!g_fNoHelpMessageBox)

-    winMessageBoxF ("The " PROJECT_NAME " help text has been printed to "

-		  "%s.\n"

-		  "Please open %s to read the help text.\n",

-		  MB_ICONINFORMATION, g_pszLogFile, g_pszLogFile);

-}

-

-/* See Porting Layer Definition - p. 20 */

-/*

- * Do any global initialization, then initialize each screen.

- * 

- * NOTE: We use ddxProcessArgument, so we don't need to touch argc and argv

- */

-

-void

-InitOutput (ScreenInfo *screenInfo, int argc, char *argv[])

-{

-  int		i;

-

-  /* Log the command line */

-  winLogCommandLine (argc, argv);

-

-#if CYGDEBUG

-  winDebug ("InitOutput\n");

-#endif

-

-  /* Validate command-line arguments */

-  if (serverGeneration == 1 && !winValidateArgs ())

-    {

-      FatalError ("InitOutput - Invalid command-line arguments found.  "

-		  "Exiting.\n");

-    }

-

-  /* Check for duplicate invocation on same display number.*/

-  if (serverGeneration == 1 && !winCheckDisplayNumber ())

-    {

-      if (g_fSilentDupError)

-        g_fSilentFatalError = TRUE;  

-      FatalError ("InitOutput - Duplicate invocation on display "

-		  "number: %s.  Exiting.\n", display);

-    }

-

-#ifdef XWIN_XF86CONFIG

-  /* Try to read the xorg.conf-style configuration file */

-  if (!winReadConfigfile ())

-    winErrorFVerb (1, "InitOutput - Error reading config file\n");

-#else

-  winMsg(X_INFO, "xorg.conf is not supported\n");

-  winMsg(X_INFO, "See http://x.cygwin.com/docs/faq/cygwin-x-faq.html "

-         "for more information\n");

-  winConfigFiles ();

-#endif

-

-  /* Load preferences from XWinrc file */

-  LoadPreferences();

-

-  /* Setup global screen info parameters */

-  screenInfo->imageByteOrder = IMAGE_BYTE_ORDER;

-  screenInfo->bitmapScanlinePad = BITMAP_SCANLINE_PAD;

-  screenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;

-  screenInfo->bitmapBitOrder = BITMAP_BIT_ORDER;

-  screenInfo->numPixmapFormats = NUMFORMATS;

-  

-  /* Describe how we want common pixmap formats padded */

-  for (i = 0; i < NUMFORMATS; i++)

-    {

-      screenInfo->formats[i] = g_PixmapFormats[i];

-    }

-

-  /* Load pointers to DirectDraw functions */

-  winGetDDProcAddresses ();

-  

-  /* Detect supported engines */

-  winDetectSupportedEngines ();

-

-  /* Load common controls library */

-  g_hmodCommonControls = LoadLibraryEx ("comctl32.dll", NULL, 0);

-

-  /* Load TrackMouseEvent function pointer */  

-  g_fpTrackMouseEvent = GetProcAddress (g_hmodCommonControls,

-					 "_TrackMouseEvent");

-  if (g_fpTrackMouseEvent == NULL)

-    {

-      winErrorFVerb (1, "InitOutput - Could not get pointer to function\n"

-	      "\t_TrackMouseEvent in comctl32.dll.  Try installing\n"

-	      "\tInternet Explorer 3.0 or greater if you have not\n"

-	      "\talready.\n");

-

-      /* Free the library since we won't need it */

-      FreeLibrary (g_hmodCommonControls);

-      g_hmodCommonControls = NULL;

-

-      /* Set function pointer to point to no operation function */

-      g_fpTrackMouseEvent = (FARPROC) (void (*)(void))NoopDDA;

-    }

-

-  /* Store the instance handle */

-  g_hInstance = GetModuleHandle (NULL);

-

-  /* Initialize each screen */

-  for (i = 0; i < g_iNumScreens; ++i)

-    {

-      /* Initialize the screen */

-      if (-1 == AddScreen (winScreenInit, argc, argv))

-	{

-	  FatalError ("InitOutput - Couldn't add screen %d", i);

-	}

-    }

-

-#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)

-

-  /* Generate a cookie used by internal clients for authorization */

-  if (g_fXdmcpEnabled || g_fAuthEnabled)

-    winGenerateAuthorization ();

-

-  /* Perform some one time initialization */

-  if (1 == serverGeneration)

-    {

-      /*

-       * setlocale applies to all threads in the current process.

-       * Apply locale specified in LANG environment variable.

-       */

-      setlocale (LC_ALL, "");

-    }

-#endif

-

-#if CYGDEBUG || YES

-  winDebug ("InitOutput - Returning.\n");

-#endif

-}

-

-

-/*

- * winCheckDisplayNumber - Check if another instance of Cygwin/X is

- * already running on the same display number.  If no one exists,

- * make a mutex to prevent new instances from running on the same display.

- *

- * return FALSE if the display number is already used.

- */

-

-static Bool

-winCheckDisplayNumber (void)

-{

-  int			nDisp;

-  HANDLE		mutex;

-  char			name[MAX_PATH];

-  char *		pszPrefix = '\0';

-  OSVERSIONINFO		osvi = {0};

-

-  /* Check display range */

-  nDisp = atoi (display);

-  if (nDisp < 0 || nDisp > 65535)

-    {

-      ErrorF ("winCheckDisplayNumber - Bad display number: %d\n", nDisp);

-      return FALSE;

-    }

-

-  /* Set first character of mutex name to null */

-  name[0] = '\0';

-

-  /* Get operating system version information */

-  osvi.dwOSVersionInfoSize = sizeof (osvi);

-  GetVersionEx (&osvi);

-

-  /* Want a mutex shared among all terminals on NT > 4.0 */

-  if (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT

-      && osvi.dwMajorVersion >= 5)

-    {

-      pszPrefix = "Global\\";

-    }

-

-  /* Setup Cygwin/X specific part of name */

-  snprintf (name, sizeof(name), "%sCYGWINX_DISPLAY:%d", pszPrefix, nDisp);

-

-  /* Windows automatically releases the mutex when this process exits */

-  mutex = CreateMutex (NULL, FALSE, name);

-  if (!mutex)

-    {

-      LPVOID lpMsgBuf;

-

-      /* Display a fancy error message */

-      FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER | 

-		     FORMAT_MESSAGE_FROM_SYSTEM | 

-		     FORMAT_MESSAGE_IGNORE_INSERTS,

-		     NULL,

-		     GetLastError (),

-		     MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),

-		     (LPTSTR) &lpMsgBuf,

-		     0, NULL);

-      ErrorF ("winCheckDisplayNumber - CreateMutex failed: %s\n",

-	      (LPSTR)lpMsgBuf);

-      LocalFree (lpMsgBuf);

-

-      return FALSE;

-    }

-  if (GetLastError () == ERROR_ALREADY_EXISTS)

-    {

-      ErrorF ("winCheckDisplayNumber - "

-	      PROJECT_NAME " is already running on display %d\n",

-	      nDisp);

-      return FALSE;

-    }

-

-  return TRUE;

-}

+
+/*
+
+Copyright 1993, 1998  The Open Group
+Copyright (C) Colin Harrison 2005-2008
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+#include "win.h"
+#include "winmsg.h"
+#include "winconfig.h"
+#include "winprefs.h"
+#ifdef XWIN_CLIPBOARD
+#include "X11/Xlocale.h"
+#endif
+#ifdef DPMSExtension
+#include "dpmsproc.h"
+#endif
+#ifdef __CYGWIN__
+#include <mntent.h>
+#endif
+#if defined(WIN32)
+#include "xkbsrv.h"
+#endif
+#ifdef RELOCATE_PROJECTROOT
+#include <shlobj.h>
+typedef HRESULT (*SHGETFOLDERPATHPROC)(
+    HWND hwndOwner,
+    int nFolder,
+    HANDLE hToken,
+    DWORD dwFlags,
+    LPTSTR pszPath
+);
+#endif
+
+/*
+ * References to external symbols
+ */
+#ifdef XWIN_CLIPBOARD
+extern Bool			g_fUnicodeClipboard;
+extern Bool			g_fClipboardLaunched;
+extern Bool			g_fClipboardStarted;
+extern pthread_t		g_ptClipboardProc;
+extern HWND			g_hwndClipboard;
+extern Bool			g_fClipboard;
+#endif
+
+
+/*
+  module handle for dynamically loaded comctl32 library
+*/
+static HMODULE g_hmodCommonControls = NULL;
+
+/*
+ * Function prototypes
+ */
+
+#ifdef XWIN_CLIPBOARD
+static void
+winClipboardShutdown (void);
+#endif
+
+#if defined(DDXOSVERRORF)
+void
+OsVendorVErrorF (const char *pszFormat, va_list va_args);
+#endif
+
+static Bool
+winCheckDisplayNumber (void);
+
+void
+winLogCommandLine (int argc, char *argv[]);
+
+void
+winLogVersionInfo (void);
+
+Bool
+winValidateArgs (void);
+
+#ifdef RELOCATE_PROJECTROOT
+const char *
+winGetBaseDir(void);
+#endif
+
+/*
+ * For the depth 24 pixmap we default to 32 bits per pixel, but
+ * we change this pixmap format later if we detect that the display
+ * is going to be running at 24 bits per pixel.
+ *
+ * FIXME: On second thought, don't DIBs only support 32 bits per pixel?
+ * DIBs are the underlying bitmap used for DirectDraw surfaces, so it
+ * seems that all pixmap formats with depth 24 would be 32 bits per pixel.
+ * Confirm whether depth 24 DIBs can have 24 bits per pixel, then remove/keep
+ * the bits per pixel adjustment and update this comment to reflect the
+ * situation.  Harold Hunt - 2002/07/02
+ */
+
+static PixmapFormatRec g_PixmapFormats[] = {
+  { 1,    1,      BITMAP_SCANLINE_PAD },
+  { 4,    8,      BITMAP_SCANLINE_PAD },
+  { 8,    8,      BITMAP_SCANLINE_PAD },
+  { 15,   16,     BITMAP_SCANLINE_PAD },
+  { 16,   16,     BITMAP_SCANLINE_PAD },
+  { 24,   32,     BITMAP_SCANLINE_PAD },
+  { 32,   32,     BITMAP_SCANLINE_PAD }
+};
+
+const int NUMFORMATS = sizeof (g_PixmapFormats) / sizeof (g_PixmapFormats[0]);
+
+#ifdef XWIN_CLIPBOARD
+static void
+winClipboardShutdown (void)
+{
+  /* Close down clipboard resources */
+  if (g_fClipboard && g_fClipboardLaunched && g_fClipboardStarted)
+    {
+      /* Synchronously destroy the clipboard window */
+      if (g_hwndClipboard != NULL)
+	{
+	  SendMessage (g_hwndClipboard, WM_DESTROY, 0, 0);
+	  /* NOTE: g_hwndClipboard is set to NULL in winclipboardthread.c */
+	}
+      else
+	return;
+      
+      /* Wait for the clipboard thread to exit */
+      pthread_join (g_ptClipboardProc, NULL);
+
+      g_fClipboardLaunched = FALSE;
+      g_fClipboardStarted = FALSE;
+
+      winDebug ("winClipboardShutdown - Clipboard thread has exited.\n");
+    }
+}
+#endif
+
+void
+ddxPushProviders(void)
+{
+#ifdef XWIN_GLX_WINDOWS
+  if (g_fNativeGl)
+    {
+      /* install the native GL provider */
+      glxWinPushNativeProvider();
+    }
+#endif
+}
+
+#if defined(DDXBEFORERESET)
+/*
+ * Called right before KillAllClients when the server is going to reset,
+ * allows us to shutdown our seperate threads cleanly.
+ */
+
+void
+ddxBeforeReset (void)
+{
+  winDebug ("ddxBeforeReset - Hello\n");
+
+#ifdef XWIN_CLIPBOARD
+  winClipboardShutdown ();
+#endif
+}
+#endif
+
+
+/* See Porting Layer Definition - p. 57 */
+void
+ddxGiveUp (void)
+{
+  int		i;
+
+#if CYGDEBUG
+  winDebug ("ddxGiveUp\n");
+#endif
+
+  /* Perform per-screen deinitialization */
+  for (i = 0; i < g_iNumScreens; ++i)
+    {
+      /* Delete the tray icon */
+      if (!g_ScreenInfo[i].fNoTrayIcon && g_ScreenInfo[i].pScreen)
+ 	winDeleteNotifyIcon (winGetScreenPriv (g_ScreenInfo[i].pScreen));
+    }
+
+#ifdef XWIN_MULTIWINDOW
+  /* Notify the worker threads we're exiting */
+  winDeinitMultiWindowWM ();
+#endif
+
+#ifdef HAS_DEVWINDOWS
+  /* Close our handle to our message queue */
+  if (g_fdMessageQueue != WIN_FD_INVALID)
+    {
+      /* Close /dev/windows */
+      close (g_fdMessageQueue);
+
+      /* Set the file handle to invalid */
+      g_fdMessageQueue = WIN_FD_INVALID;
+    }
+#endif
+
+  if (!g_fLogInited) {
+    g_pszLogFile = LogInit (g_pszLogFile, NULL);
+    g_fLogInited = TRUE;
+  }  
+  LogClose ();
+
+  /*
+   * At this point we aren't creating any new screens, so
+   * we are guaranteed to not need the DirectDraw functions.
+   */
+  winReleaseDDProcAddresses();
+
+  /* Unload our TrackMouseEvent function pointer */
+  if (g_hmodCommonControls != NULL)
+    {
+      FreeLibrary (g_hmodCommonControls);
+      g_hmodCommonControls = NULL;
+      g_fpTrackMouseEvent = (FARPROC) (void (*)(void))NoopDDA;
+    }
+  
+  /* Free concatenated command line */
+  free(g_pszCommandLine);
+  g_pszCommandLine = NULL;
+
+  /* Remove our keyboard hook if it is installed */
+  winRemoveKeyboardHookLL ();
+
+  /* Tell Windows that we want to end the app */
+  PostQuitMessage (0);
+}
+
+
+/* See Porting Layer Definition - p. 57 */
+void
+AbortDDX (void)
+{
+#if CYGDEBUG
+  winDebug ("AbortDDX\n");
+#endif
+  ddxGiveUp ();
+}
+
+#ifdef __CYGWIN__
+/* hasmntopt is currently not implemented for cygwin */
+static const char *winCheckMntOpt(const struct mntent *mnt, const char *opt)
+{
+    const char *s;
+    size_t len;
+    if (mnt == NULL)
+        return NULL;
+    if (opt == NULL)
+        return NULL;
+    if (mnt->mnt_opts == NULL)
+        return NULL;
+
+    len = strlen(opt);
+    s = strstr(mnt->mnt_opts, opt);
+    if (s == NULL)
+        return NULL;
+    if ((s == mnt->mnt_opts || *(s-1) == ',') &&  (s[len] == 0 || s[len] == ','))
+        return (char *)opt;
+    return NULL;
+}
+
+static void
+winCheckMount(void)
+{
+  FILE *mnt;
+  struct mntent *ent;
+
+  enum { none = 0, sys_root, user_root, sys_tmp, user_tmp } 
+    level = none, curlevel;
+  BOOL binary = TRUE;
+
+  mnt = setmntent("/etc/mtab", "r");
+  if (mnt == NULL)
+  {
+    ErrorF("setmntent failed");
+    return;
+  }
+
+  while ((ent = getmntent(mnt)) != NULL)
+  {
+    BOOL system = (winCheckMntOpt(ent, "user") != NULL);
+    BOOL root = (strcmp(ent->mnt_dir, "/") == 0);
+    BOOL tmp = (strcmp(ent->mnt_dir, "/tmp") == 0);
+    
+    if (system)
+    {
+      if (root)
+        curlevel = sys_root;
+      else if (tmp)
+        curlevel = sys_tmp;
+      else
+        continue;
+    }
+    else
+    {
+      if (root)
+        curlevel = user_root;
+      else if (tmp) 
+        curlevel = user_tmp;
+      else
+        continue;
+    }
+
+    if (curlevel <= level)
+      continue;
+    level = curlevel;
+
+    if ((winCheckMntOpt(ent, "binary") == NULL) &&
+        (winCheckMntOpt(ent, "binmode") == NULL))
+      binary = FALSE;
+    else
+      binary = TRUE;
+  }
+    
+  if (endmntent(mnt) != 1)
+  {
+    ErrorF("endmntent failed");
+    return;
+  }
+  
+ if (!binary) 
+   winMsg(X_WARNING, "/tmp mounted in textmode\n");
+}
+#else
+static void
+winCheckMount(void) 
+{
+}
+#endif
+
+#ifdef RELOCATE_PROJECTROOT
+const char * 
+winGetBaseDir(void)
+{
+    static BOOL inited = FALSE;
+    static char buffer[MAX_PATH];
+    if (!inited)
+    {
+        char *fendptr;
+        HMODULE module = GetModuleHandle(NULL);
+        DWORD size = GetModuleFileName(module, buffer, sizeof(buffer));
+        if (sizeof(buffer) > 0)
+            buffer[sizeof(buffer)-1] = 0;
+    
+        fendptr = buffer + size;
+        while (fendptr > buffer)
+        {
+            if (*fendptr == '\\' || *fendptr == '/')
+            {
+                *fendptr = 0;
+                break;
+            }
+            fendptr--;
+        }
+        inited = TRUE;
+    }
+    return buffer;
+}
+#endif
+
+static void
+winFixupPaths (void)
+{
+    BOOL changed_fontpath = FALSE;
+    MessageType font_from = X_DEFAULT;
+#ifdef RELOCATE_PROJECTROOT
+    const char *basedir = winGetBaseDir();
+    size_t basedirlen = strlen(basedir);
+#endif
+
+#ifdef READ_FONTDIRS
+    {
+        /* Open fontpath configuration file */
+        FILE *fontdirs = fopen(ETCX11DIR "/font-dirs", "rt");
+        if (fontdirs != NULL)
+        {
+            char buffer[256];
+            int needs_sep = TRUE; 
+            int comment_block = FALSE;
+
+            /* get default fontpath */
+            char *fontpath = strdup(defaultFontPath);
+            size_t size = strlen(fontpath);
+
+            /* read all lines */
+            while (!feof(fontdirs))
+            {
+                size_t blen;
+                char *hashchar;
+                char *str;
+                int has_eol = FALSE;
+
+                /* read one line */
+                str = fgets(buffer, sizeof(buffer), fontdirs);
+                if (str == NULL) /* stop on error or eof */
+                    break;
+
+                if (strchr(str, '\n') != NULL)
+                    has_eol = TRUE;
+
+                /* check if block is continued comment */
+                if (comment_block)
+                {
+                    /* ignore all input */
+                    *str = 0; 
+                    blen = 0; 
+                    if (has_eol) /* check if line ended in this block */
+                        comment_block = FALSE;
+                }
+                else 
+                {
+                    /* find comment character. ignore all trailing input */
+                    hashchar = strchr(str, '#');
+                    if (hashchar != NULL)
+                    {
+                        *hashchar = 0;
+                        if (!has_eol) /* mark next block as continued comment */
+                            comment_block = TRUE;
+                    }
+                }
+
+                /* strip whitespaces from beginning */
+                while (*str == ' ' || *str == '\t')
+                    str++;
+
+                /* get size, strip whitespaces from end */ 
+                blen = strlen(str);
+                while (blen > 0 && (str[blen-1] == ' ' || 
+                            str[blen-1] == '\t' || str[blen-1] == '\n'))
+                {
+                    str[--blen] = 0;
+                }
+
+                /* still something left to add? */ 
+                if (blen > 0)
+                {
+                    size_t newsize = size + blen;
+                    /* reserve one character more for ',' */
+                    if (needs_sep)
+                        newsize++;
+
+                    /* allocate memory */
+                    if (fontpath == NULL)
+                        fontpath = malloc(newsize+1);
+                    else
+                        fontpath = realloc(fontpath, newsize+1);
+
+                    /* add separator */
+                    if (needs_sep)
+                    {
+                        fontpath[size] = ',';
+                        size++;
+                        needs_sep = FALSE;
+                    }
+
+                    /* mark next line as new entry */
+                    if (has_eol)
+                        needs_sep = TRUE;
+
+                    /* add block */
+                    strncpy(fontpath + size, str, blen);
+                    fontpath[newsize] = 0;
+                    size = newsize;
+                }
+            }
+
+            /* cleanup */
+            fclose(fontdirs);  
+            defaultFontPath = strdup(fontpath);
+            free(fontpath);
+            changed_fontpath = TRUE;
+            font_from = X_CONFIG;
+        }
+    }
+#endif /* READ_FONTDIRS */
+#ifdef RELOCATE_PROJECTROOT
+    {
+        const char *libx11dir = PROJECTROOT "/lib/X11";
+        size_t libx11dir_len = strlen(libx11dir);
+        char *newfp = NULL;
+        size_t newfp_len = 0;
+        const char *endptr, *ptr, *oldptr = defaultFontPath;
+
+        endptr = oldptr + strlen(oldptr);
+        ptr = strchr(oldptr, ',');
+        if (ptr == NULL)
+            ptr = endptr;
+        while (ptr != NULL)
+        {
+            size_t oldfp_len = (ptr - oldptr);
+            size_t newsize = oldfp_len;
+            char *newpath = malloc(newsize + 1);
+            strncpy(newpath, oldptr, newsize);
+            newpath[newsize] = 0;
+
+
+            if (strncmp(libx11dir, newpath, libx11dir_len) == 0)
+            {
+                char *compose;
+                newsize = newsize - libx11dir_len + basedirlen;
+                compose = malloc(newsize + 1);  
+                strcpy(compose, basedir);
+                strncat(compose, newpath + libx11dir_len, newsize - basedirlen);
+                compose[newsize] = 0;
+                free(newpath);
+                newpath = compose;
+            }
+
+            oldfp_len = newfp_len;
+            if (oldfp_len > 0)
+                newfp_len ++; /* space for separator */
+            newfp_len += newsize;
+
+            if (newfp == NULL)
+                newfp = malloc(newfp_len + 1);
+            else
+                newfp = realloc(newfp, newfp_len + 1);
+
+            if (oldfp_len > 0)
+            {
+                strcpy(newfp + oldfp_len, ",");
+                oldfp_len++;
+            }
+            strcpy(newfp + oldfp_len, newpath);
+
+            free(newpath);
+
+            if (*ptr == 0)
+            {
+                oldptr = ptr;
+                ptr = NULL;
+            } else
+            {
+                oldptr = ptr + 1;
+                ptr = strchr(oldptr, ',');
+                if (ptr == NULL)
+                    ptr = endptr;
+            }
+        } 
+
+        defaultFontPath = strdup(newfp);
+        free(newfp);
+        changed_fontpath = TRUE;
+    }
+#endif /* RELOCATE_PROJECTROOT */
+    if (changed_fontpath)
+        winMsg (font_from, "FontPath set to \"%s\"\n", defaultFontPath);
+
+#ifdef RELOCATE_PROJECTROOT
+    if (getenv("XKEYSYMDB") == NULL)
+    {
+        char buffer[MAX_PATH];
+        snprintf(buffer, sizeof(buffer), "XKEYSYMDB=%s\\XKeysymDB",
+                basedir);
+        buffer[sizeof(buffer)-1] = 0;
+        putenv(buffer);
+    }
+    if (getenv("XERRORDB") == NULL)
+    {
+        char buffer[MAX_PATH];
+        snprintf(buffer, sizeof(buffer), "XERRORDB=%s\\XErrorDB",
+                basedir);
+        buffer[sizeof(buffer)-1] = 0;
+        putenv(buffer);
+    }
+    if (getenv("XLOCALEDIR") == NULL)
+    {
+        char buffer[MAX_PATH];
+        snprintf(buffer, sizeof(buffer), "XLOCALEDIR=%s\\locale",
+                basedir);
+        buffer[sizeof(buffer)-1] = 0;
+        putenv(buffer);
+    }
+    if (getenv("HOME") == NULL)
+    {
+        HMODULE shfolder;
+        SHGETFOLDERPATHPROC shgetfolderpath = NULL;
+        char buffer[MAX_PATH + 5];
+        strncpy(buffer, "HOME=", 5);
+
+        /* Try to load SHGetFolderPath from shfolder.dll and shell32.dll */
+        
+        shfolder = LoadLibrary("shfolder.dll");
+        /* fallback to shell32.dll */
+        if (shfolder == NULL)
+            shfolder = LoadLibrary("shell32.dll");
+
+        /* resolve SHGetFolderPath */
+        if (shfolder != NULL)
+            shgetfolderpath = (SHGETFOLDERPATHPROC)GetProcAddress(shfolder, "SHGetFolderPathA");
+
+        /* query appdata directory */
+        if (shgetfolderpath &&
+                shgetfolderpath(NULL, CSIDL_APPDATA|CSIDL_FLAG_CREATE, NULL, 0, 
+                    buffer + 5) == 0)
+        { 
+            putenv(buffer);
+        } else
+        {
+            winMsg (X_ERROR, "Can not determine HOME directory\n");
+        } 
+        if (shfolder != NULL)
+            FreeLibrary(shfolder);
+    }
+    if (!g_fLogFileChanged) {
+        static char buffer[MAX_PATH];
+        DWORD size = GetTempPath(sizeof(buffer), buffer);
+        if (size && size < sizeof(buffer))
+        {
+            snprintf(buffer + size, sizeof(buffer) - size, 
+                    "XWin.%s.log", display); 
+            buffer[sizeof(buffer)-1] = 0;
+            g_pszLogFile = buffer;
+            winMsg (X_DEFAULT, "Logfile set to \"%s\"\n", g_pszLogFile);
+        }
+    }
+    {
+        static char xkbbasedir[MAX_PATH];
+
+        snprintf(xkbbasedir, sizeof(xkbbasedir), "%s\\xkb", basedir);
+        if (sizeof(xkbbasedir) > 0)
+            xkbbasedir[sizeof(xkbbasedir)-1] = 0;
+        XkbBaseDirectory = xkbbasedir;
+	XkbBinDirectory = basedir;
+    }
+#endif /* RELOCATE_PROJECTROOT */
+}
+
+void
+OsVendorInit (void)
+{
+  /* Re-initialize global variables on server reset */
+  winInitializeGlobals ();
+
+  winFixupPaths();
+
+#ifdef DDXOSVERRORF
+  if (!OsVendorVErrorFProc)
+    OsVendorVErrorFProc = OsVendorVErrorF;
+#endif
+
+  if (!g_fLogInited) {
+    /* keep this order. If LogInit fails it calls Abort which then calls
+     * ddxGiveUp where LogInit is called again and creates an infinite 
+     * recursion. If we set g_fLogInited to TRUE before the init we 
+     * avoid the second call 
+     */  
+    g_fLogInited = TRUE;
+    g_pszLogFile = LogInit (g_pszLogFile, NULL);
+  } 
+  LogSetParameter (XLOG_FLUSH, 1);
+  LogSetParameter (XLOG_VERBOSITY, g_iLogVerbose);
+  LogSetParameter (XLOG_FILE_VERBOSITY, g_iLogVerbose);
+
+  /* Log the version information */
+  if (serverGeneration == 1)
+    winLogVersionInfo ();
+
+  winCheckMount();  
+
+  /* Add a default screen if no screens were specified */
+  if (g_iNumScreens == 0)
+    {
+      winDebug ("OsVendorInit - Creating default screen 0\n");
+
+      /*
+       * We need to initialize the default screen 0 if no -screen
+       * arguments were processed.
+       *
+       * Add a screen 0 using the defaults set by winInitializeDefaultScreens()
+       * and any additional default screen parameters given
+       */
+      winInitializeScreens(1);
+
+      /* We have to flag this as an explicit screen, even though it isn't */
+      g_ScreenInfo[0].fExplicitScreen = TRUE;
+    }
+}
+
+
+static void
+winUseMsg (void)
+{
+  ErrorF("\n");
+  ErrorF("\n");
+  ErrorF(EXECUTABLE_NAME " Device Dependent Usage:\n");
+  ErrorF("\n");
+
+#ifdef XWIN_CLIPBOARD
+  ErrorF ("-[no]clipboard\n"
+	  "\tEnable [disable] the clipboard integration. Default is enabled.\n");
+#endif
+
+  ErrorF ("-clipupdates num_boxes\n"
+	  "\tUse a clipping region to constrain shadow update blits to\n"
+	  "\tthe updated region when num_boxes, or more, are in the\n"
+	  "\tupdated region.\n");
+
+#ifdef XWIN_XF86CONFIG
+  ErrorF ("-config\n"
+          "\tSpecify a configuration file.\n");
+
+  ErrorF ("-configdir\n"
+          "\tSpecify a configuration directory.\n");
+#endif
+
+  ErrorF ("-depth bits_per_pixel\n"
+	  "\tSpecify an optional bitdepth to use in fullscreen mode\n"
+	  "\twith a DirectDraw engine.\n");
+
+  ErrorF ("-emulate3buttons [timeout]\n"
+	  "\tEmulate 3 button mouse with an optional timeout in\n"
+	  "\tmilliseconds.\n");
+
+#ifdef XWIN_EMULATEPSEUDO
+  ErrorF ("-emulatepseudo\n"
+	  "\tCreate a depth 8 PseudoColor visual when running in\n"
+	  "\tdepths 15, 16, 24, or 32, collectively known as TrueColor\n"
+	  "\tdepths.  The PseudoColor visual does not have correct colors,\n"
+	  "\tand it may crash, but it at least allows you to run your\n"
+	  "\tapplication in TrueColor modes.\n");
+#endif
+
+  ErrorF ("-engine engine_type_id\n"
+	  "\tOverride the server's automatically selected engine type:\n"
+	  "\t\t1 - Shadow GDI\n"
+	  "\t\t2 - Shadow DirectDraw\n"
+	  "\t\t4 - Shadow DirectDraw4 Non-Locking\n"
+#ifdef XWIN_PRIMARYFB
+	  "\t\t8 - Primary DirectDraw - obsolete\n"
+#endif
+#ifdef XWIN_NATIVEGDI
+	  "\t\t16 - Native GDI - experimental\n"
+#endif
+	  );
+
+  ErrorF ("-fullscreen\n"
+	  "\tRun the server in fullscreen mode.\n");
+
+  ErrorF ("-ignoreinput\n"
+	  "\tIgnore keyboard and mouse input.\n");
+
+#ifdef XWIN_MULTIWINDOWEXTWM
+  ErrorF ("-internalwm\n"
+	  "\tRun the internal window manager.\n");
+#endif
+
+#ifdef XWIN_XF86CONFIG
+  ErrorF ("-keyboard\n"
+	  "\tSpecify a keyboard device from the configuration file.\n");
+#endif
+
+  ErrorF ("-[no]keyhook\n"
+	  "\tGrab special Windows keypresses like Alt-Tab or the Menu "
+          "key.\n");
+
+  ErrorF ("-lesspointer\n"
+	  "\tHide the windows mouse pointer when it is over any\n"
+          "\t" EXECUTABLE_NAME " window.  This prevents ghost cursors appearing when\n"
+	  "\tthe Windows cursor is drawn on top of the X cursor\n");
+
+  ErrorF ("-logfile filename\n"
+	  "\tWrite log messages to <filename>.\n");
+
+  ErrorF ("-logverbose verbosity\n"
+	  "\tSet the verbosity of log messages. [NOTE: Only a few messages\n"
+	  "\trespect the settings yet]\n"
+	  "\t\t0 - only print fatal error.\n"
+	  "\t\t1 - print additional configuration information.\n"
+	  "\t\t2 - print additional runtime information [default].\n"
+	  "\t\t3 - print debugging and tracing information.\n");
+
+  ErrorF ("-[no]multimonitors or -[no]multiplemonitors\n"
+	  "\tUse the entire virtual screen if multiple\n"
+	  "\tmonitors are present.\n");
+
+#ifdef XWIN_MULTIWINDOW
+  ErrorF ("-multiwindow\n"
+	  "\tRun the server in multi-window mode.\n");
+#endif
+
+#ifdef XWIN_MULTIWINDOWEXTWM
+  ErrorF ("-mwextwm\n"
+	  "\tRun the server in multi-window external window manager mode.\n");
+#endif
+
+  ErrorF ("-nodecoration\n"
+          "\tDo not draw a window border, title bar, etc.  Windowed\n"
+	  "\tmode only.\n");
+
+#ifdef XWIN_CLIPBOARD
+  ErrorF ("-nounicodeclipboard\n"
+	  "\tDo not use Unicode clipboard even if on a NT-based platform.\n");
+#endif
+
+  ErrorF ("-refresh rate_in_Hz\n"
+	  "\tSpecify an optional refresh rate to use in fullscreen mode\n"
+	  "\twith a DirectDraw engine.\n");
+
+  ErrorF ("-resize=none|scrollbars|randr"
+	  "\tIn windowed mode, [don't] allow resizing of the window. 'scrollbars'\n"
+	  "\tmode gives the window scrollbars as needed, 'randr' mode uses the RANR\n"
+	  "\textension to resize the X screen.\n");
+
+  ErrorF ("-rootless\n"
+	  "\tRun the server in rootless mode.\n");
+
+  ErrorF ("-screen scr_num [width height [x y] | [[WxH[+X+Y]][@m]] ]\n"
+	  "\tEnable screen scr_num and optionally specify a width and\n"
+	  "\theight and initial position for that screen. Additionally\n"
+	  "\ta monitor number can be specified to start the server on,\n"
+	  "\tat which point, all coordinates become relative to that\n"
+      "\tmonitor (Not for Windows NT4 and 95). Examples:\n"
+      "\t -screen 0 800x600+100+100@2 ; 2nd monitor offset 100,100 size 800x600\n"
+      "\t -screen 0 1024x768@3        ; 3rd monitor size 1024x768\n"
+      "\t -screen 0 @1 ; on 1st monitor using its full resolution (the default)\n");
+
+  ErrorF ("-silent-dup-error\n"
+	  "\tIf another instance of " EXECUTABLE_NAME " with the same display number is running\n"
+	  "\texit silently and don't display any error message.\n");
+
+  ErrorF ("-swcursor\n"
+	  "\tDisable the usage of the Windows cursor and use the X11 software\n"
+	  "\tcursor instead.\n");
+
+  ErrorF ("-[no]trayicon\n"
+          "\tDo not create a tray icon.  Default is to create one\n"
+	  "\ticon per screen.  You can globally disable tray icons with\n"
+	  "\t-notrayicon, then enable it for specific screens with\n"
+	  "\t-trayicon for those screens.\n");
+
+  ErrorF ("-[no]unixkill\n"
+          "\tCtrl+Alt+Backspace exits the X Server.\n");
+
+#ifdef XWIN_GLX_WINDOWS
+  ErrorF ("-[no]wgl\n"
+	  "\tEnable the GLX extension to use the native Windows WGL interface for accelerated OpenGL\n");
+#endif
+
+  ErrorF ("-[no]winkill\n"
+          "\tAlt+F4 exits the X Server.\n");
+
+  ErrorF ("-xkblayout XKBLayout\n"
+	  "\tEquivalent to XKBLayout in XF86Config files.\n"
+	  "\tFor example: -xkblayout de\n");
+
+  ErrorF ("-xkbmodel XKBModel\n"
+	  "\tEquivalent to XKBModel in XF86Config files.\n");
+
+  ErrorF ("-xkboptions XKBOptions\n"
+	  "\tEquivalent to XKBOptions in XF86Config files.\n");
+
+  ErrorF ("-xkbrules XKBRules\n"
+	  "\tEquivalent to XKBRules in XF86Config files.\n");
+
+  ErrorF ("-xkbvariant XKBVariant\n"
+	  "\tEquivalent to XKBVariant in XF86Config files.\n"
+	  "\tFor example: -xkbvariant nodeadkeys\n");
+}
+
+/* See Porting Layer Definition - p. 57 */
+void
+ddxUseMsg(void)
+{
+  /* Set a flag so that FatalError won't give duplicate warning message */
+  g_fSilentFatalError = TRUE;
+  
+  winUseMsg();  
+
+  /* Log file will not be opened for UseMsg unless we open it now */
+  if (!g_fLogInited) {
+    g_pszLogFile = LogInit (g_pszLogFile, NULL);
+    g_fLogInited = TRUE;
+  }  
+  LogClose ();
+
+  /* Notify user where UseMsg text can be found.*/
+  if (!g_fNoHelpMessageBox)
+    winMessageBoxF ("The " PROJECT_NAME " help text has been printed to "
+		  "%s.\n"
+		  "Please open %s to read the help text.\n",
+		  MB_ICONINFORMATION, g_pszLogFile, g_pszLogFile);
+}
+
+/* See Porting Layer Definition - p. 20 */
+/*
+ * Do any global initialization, then initialize each screen.
+ * 
+ * NOTE: We use ddxProcessArgument, so we don't need to touch argc and argv
+ */
+
+void
+InitOutput (ScreenInfo *screenInfo, int argc, char *argv[])
+{
+  int		i;
+
+  /* Log the command line */
+  winLogCommandLine (argc, argv);
+
+#if CYGDEBUG
+  winDebug ("InitOutput\n");
+#endif
+
+  /* Validate command-line arguments */
+  if (serverGeneration == 1 && !winValidateArgs ())
+    {
+      FatalError ("InitOutput - Invalid command-line arguments found.  "
+		  "Exiting.\n");
+    }
+
+  /* Check for duplicate invocation on same display number.*/
+  if (serverGeneration == 1 && !winCheckDisplayNumber ())
+    {
+      if (g_fSilentDupError)
+        g_fSilentFatalError = TRUE;  
+      FatalError ("InitOutput - Duplicate invocation on display "
+		  "number: %s.  Exiting.\n", display);
+    }
+
+#ifdef XWIN_XF86CONFIG
+  /* Try to read the xorg.conf-style configuration file */
+  if (!winReadConfigfile ())
+    winErrorFVerb (1, "InitOutput - Error reading config file\n");
+#else
+  winMsg(X_INFO, "xorg.conf is not supported\n");
+  winMsg(X_INFO, "See http://x.cygwin.com/docs/faq/cygwin-x-faq.html "
+         "for more information\n");
+  winConfigFiles ();
+#endif
+
+  /* Load preferences from XWinrc file */
+  LoadPreferences();
+
+  /* Setup global screen info parameters */
+  screenInfo->imageByteOrder = IMAGE_BYTE_ORDER;
+  screenInfo->bitmapScanlinePad = BITMAP_SCANLINE_PAD;
+  screenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
+  screenInfo->bitmapBitOrder = BITMAP_BIT_ORDER;
+  screenInfo->numPixmapFormats = NUMFORMATS;
+  
+  /* Describe how we want common pixmap formats padded */
+  for (i = 0; i < NUMFORMATS; i++)
+    {
+      screenInfo->formats[i] = g_PixmapFormats[i];
+    }
+
+  /* Load pointers to DirectDraw functions */
+  winGetDDProcAddresses ();
+  
+  /* Detect supported engines */
+  winDetectSupportedEngines ();
+
+  /* Load common controls library */
+  g_hmodCommonControls = LoadLibraryEx ("comctl32.dll", NULL, 0);
+
+  /* Load TrackMouseEvent function pointer */  
+  g_fpTrackMouseEvent = GetProcAddress (g_hmodCommonControls,
+					 "_TrackMouseEvent");
+  if (g_fpTrackMouseEvent == NULL)
+    {
+      winErrorFVerb (1, "InitOutput - Could not get pointer to function\n"
+	      "\t_TrackMouseEvent in comctl32.dll.  Try installing\n"
+	      "\tInternet Explorer 3.0 or greater if you have not\n"
+	      "\talready.\n");
+
+      /* Free the library since we won't need it */
+      FreeLibrary (g_hmodCommonControls);
+      g_hmodCommonControls = NULL;
+
+      /* Set function pointer to point to no operation function */
+      g_fpTrackMouseEvent = (FARPROC) (void (*)(void))NoopDDA;
+    }
+
+  /* Store the instance handle */
+  g_hInstance = GetModuleHandle (NULL);
+
+  /* Initialize each screen */
+  for (i = 0; i < g_iNumScreens; ++i)
+    {
+      /* Initialize the screen */
+      if (-1 == AddScreen (winScreenInit, argc, argv))
+	{
+	  FatalError ("InitOutput - Couldn't add screen %d", i);
+	}
+    }
+
+#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
+
+  /* Generate a cookie used by internal clients for authorization */
+  if (g_fXdmcpEnabled || g_fAuthEnabled)
+    winGenerateAuthorization ();
+
+  /* Perform some one time initialization */
+  if (1 == serverGeneration)
+    {
+      /*
+       * setlocale applies to all threads in the current process.
+       * Apply locale specified in LANG environment variable.
+       */
+      setlocale (LC_ALL, "");
+    }
+#endif
+
+#if CYGDEBUG || YES
+  winDebug ("InitOutput - Returning.\n");
+#endif
+}
+
+
+/*
+ * winCheckDisplayNumber - Check if another instance of Cygwin/X is
+ * already running on the same display number.  If no one exists,
+ * make a mutex to prevent new instances from running on the same display.
+ *
+ * return FALSE if the display number is already used.
+ */
+
+static Bool
+winCheckDisplayNumber (void)
+{
+  int			nDisp;
+  HANDLE		mutex;
+  char			name[MAX_PATH];
+  char *		pszPrefix = '\0';
+  OSVERSIONINFO		osvi = {0};
+
+  /* Check display range */
+  nDisp = atoi (display);
+  if (nDisp < 0 || nDisp > 65535)
+    {
+      ErrorF ("winCheckDisplayNumber - Bad display number: %d\n", nDisp);
+      return FALSE;
+    }
+
+  /* Set first character of mutex name to null */
+  name[0] = '\0';
+
+  /* Get operating system version information */
+  osvi.dwOSVersionInfoSize = sizeof (osvi);
+  GetVersionEx (&osvi);
+
+  /* Want a mutex shared among all terminals on NT > 4.0 */
+  if (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT
+      && osvi.dwMajorVersion >= 5)
+    {
+      pszPrefix = "Global\\";
+    }
+
+  /* Setup Cygwin/X specific part of name */
+  snprintf (name, sizeof(name), "%sCYGWINX_DISPLAY:%d", pszPrefix, nDisp);
+
+  /* Windows automatically releases the mutex when this process exits */
+  mutex = CreateMutex (NULL, FALSE, name);
+  if (!mutex)
+    {
+      LPVOID lpMsgBuf;
+
+      /* Display a fancy error message */
+      FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER | 
+		     FORMAT_MESSAGE_FROM_SYSTEM | 
+		     FORMAT_MESSAGE_IGNORE_INSERTS,
+		     NULL,
+		     GetLastError (),
+		     MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+		     (LPTSTR) &lpMsgBuf,
+		     0, NULL);
+      ErrorF ("winCheckDisplayNumber - CreateMutex failed: %s\n",
+	      (LPSTR)lpMsgBuf);
+      LocalFree (lpMsgBuf);
+
+      return FALSE;
+    }
+  if (GetLastError () == ERROR_ALREADY_EXISTS)
+    {
+      ErrorF ("winCheckDisplayNumber - "
+	      PROJECT_NAME " is already running on display %d\n",
+	      nDisp);
+      return FALSE;
+    }
+
+  return TRUE;
+}