From b4222d807a49109c613c00f82ce95f9d50bef854 Mon Sep 17 00:00:00 2001
From: simonpj <unknown>
Date: Fri, 12 Nov 2004 13:27:54 +0000
Subject: [PATCH] [project @ 2004-11-12 13:27:54 by simonpj] add bits required
 for Compat.Directory on Windows

---
 ghc/lib/compat/Compat/Directory.hs |   10 ++++++-
 ghc/lib/compat/cbits/directory.c   |   54 ++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 ghc/lib/compat/cbits/directory.c

diff --git a/ghc/lib/compat/Compat/Directory.hs b/ghc/lib/compat/Compat/Directory.hs
index 6ec4af5..74baec8 100644
--- a/ghc/lib/compat/Compat/Directory.hs
+++ b/ghc/lib/compat/Compat/Directory.hs
@@ -24,6 +24,9 @@ module Compat.Directory (
 
 #if !defined(mingw32_TARGET_OS)
 import System.Environment (getEnv)
+#else
+import Foreign
+import Foreign.C
 #endif
 
 getAppUserDataDirectory :: String -> IO FilePath
@@ -39,11 +42,16 @@ getAppUserDataDirectory appName = do
 #endif
 
 #if __GLASGOW_HASKELL__ && defined(mingw32_TARGET_OS)
-foreign import stdcall unsafe "SHGetFolderPath" 
+foreign import stdcall unsafe "SHGetFolderPathA"
             c_SHGetFolderPath :: Ptr () 
                               -> CInt 
                               -> Ptr () 
                               -> CInt 
                               -> CString 
                               -> IO CInt
+
+foreign import ccall unsafe "__hscore_long_path_size"
+  long_path_size :: Int
+
+foreign import ccall unsafe "__hscore_CSIDL_APPDATA"  csidl_APPDATA  :: CInt
 #endif
diff --git a/ghc/lib/compat/cbits/directory.c b/ghc/lib/compat/cbits/directory.c
new file mode 100644
index 0000000..713911b
--- /dev/null
+++ b/ghc/lib/compat/cbits/directory.c
@@ -0,0 +1,54 @@
+#if __GLASGOW_HASKELL__ < 603
+#include "config.h"
+#else
+#include "ghcconfig.h"
+#endif
+
+#include "HsFFI.h"
+
+#if HAVE_LIMITS_H
+#include <limits.h>
+#endif
+#if HAVE_WINDOWS_H
+#include <windows.h>
+#endif
+
+#define INLINE /* nothing */
+
+/*
+ * Following code copied from libraries/base/includes/HsBase.h
+ */
+
+#ifdef PATH_MAX
+/* A size that will contain many path names, but not necessarily all
+ * (PATH_MAX is not defined on systems with unlimited path length,
+ * e.g. the Hurd).
+ */
+INLINE HsInt __hscore_long_path_size() { return PATH_MAX; }
+#else
+INLINE HsInt __hscore_long_path_size() { return 4096; }
+#endif
+
+#if defined(mingw32_TARGET_OS)
+
+/* Make sure we've got the reqd CSIDL_ constants in scope;
+ * w32api header files are lagging a bit in defining the full set.
+ */
+#if !defined(CSIDL_APPDATA)
+#define CSIDL_APPDATA 0x001a
+#endif
+#if !defined(CSIDL_PERSONAL)
+#define CSIDL_PERSONAL 0x0005
+#endif
+#if !defined(CSIDL_PROFILE)
+#define CSIDL_PROFILE 0x0028
+#endif
+#if !defined(CSIDL_WINDOWS)
+#define CSIDL_WINDOWS 0x0024
+#endif
+
+INLINE int __hscore_CSIDL_PROFILE()  { return CSIDL_PROFILE;  }
+INLINE int __hscore_CSIDL_APPDATA()  { return CSIDL_APPDATA;  }
+INLINE int __hscore_CSIDL_WINDOWS()  { return CSIDL_WINDOWS;  }
+INLINE int __hscore_CSIDL_PERSONAL() { return CSIDL_PERSONAL; }
+#endif
-- 
1.7.10.4