fs: versions of exists, is_file, is_dir for Unix and Windows that do not fork

Implements versions of exists, is_file, is_dir for POSIX and Windows
using io.open only, based on the semantics of their error codes
on these platforms.

Drops the dependency on TEST.EXE on Windows.

2 files changed, 1 insertions, 1 deletions

diff --git a/win32/COPYING b/win32/COPYING
index 3413b8c2..d28b2efd 100644
--- a/win32/COPYING
+++ b/win32/COPYING
@@ -5,7 +5,7 @@ following licenses:
 * For 7z.exe and 7z.dll, please see COPYING_7z for details.
 
 * find.exe, mv.exe, wget.exe, ls.exe, pwd.exe, rmdir.exe, md5sum.exe,
-  test.exe, cp.exe, mkdir.exe, and uname.exe are part of UnxUtils, check
+  cp.exe, mkdir.exe, and uname.exe are part of UnxUtils, check
   http://unxutils.sourceforge.net/ for license information.
 
 * Files under win32/lua5.1, except for Microsoft.VC80.CRT.manifest and msv*.*,
diff --git a/win32/tools/test.exe b/win32/tools/test.exe
deleted file mode 100644
index 94c95f9e..00000000
--- a/win32/tools/test.exe
+++ /dev/null