Replaced opendir.c with directory.c, implemented chdir(), fchdir(), and

getcwd().
Introduced new xyz(int fd, char *path, ...) style of functions for
sys_setcwd(), and sys_write_stat().
Added missing sys_fstat(). Removed duplicated prototypes in syscalls.h
Fixed some minor bugs.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@669 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/file_systems/bfs/ToDo

@@ -1,4 +1,4 @@
-BFS - ToDo, June 5th, 2002
+BFS - ToDo, June 23th, 2002
 -----
 
 BlockAllocator
@@ -21,6 +21,7 @@ Queries
  - There shouldn't be any cases where you can speed up a query with reordering the query expression - test it
  - Check permissions of the parent directories
  - Add protection against crashing applications which had a query open - at least the original BeOS kernel does not free the cookie (which throws some memory away *and* prevents unmounting the disk)
+ - the query set for "!=" and last_modified/size is not the same as for "="; last_modified/size don't contain directories
 
 
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