Avoid blocking on non-dirs in DOSFS_OpenDir_VFAT

[Michal Janusz Miroslaw]

O_DIRECTORY is Linux-specific. As is VFAT_IOCTL_READDIR_BOTH anyway ...

ChangeLog:
	On Linux: avoid blocking in DOSFS_OpenDir_VFAT if specified path
	is not a directory

Index: files/dos_fs.c
===================================================================
RCS file: /home/wine/wine/files/dos_fs.c,v
retrieving revision 1.129
diff -u -r1.129 dos_fs.c
--- files/dos_fs.c	4 Apr 2003 22:05:10 -0000	1.129
+++ files/dos_fs.c	14 Apr 2003 19:50:23 -0000
@@ -75,6 +75,11 @@
 
 #define VFAT_IOCTL_READDIR_BOTH  _IOR('r', 1, KERNEL_DIRENT [2] )
 
+/* To avoid blocking on non-directories in DOSFS_OpenDir_VFAT*/
+#ifndef O_DIRECTORY
+# define O_DIRECTORY    0200000	/* must be directory */
+#endif
+
 #else   /* linux */
 #undef VFAT_IOCTL_READDIR_BOTH  /* just in case... */
 #endif  /* linux */
@@ -461,7 +466,7 @@
 {
 #ifdef VFAT_IOCTL_READDIR_BOTH
     KERNEL_DIRENT de[2];
-    int fd = open( unix_path, O_RDONLY );
+    int fd = open( unix_path, O_RDONLY|O_DIRECTORY );
     BOOL r = TRUE;
 
     /* Check if the VFAT ioctl is supported on this directory */