[reactos] 01/01: [KERNEL32]: w2k3ify GetDriveTypeA()

[Pierre Schweitzer]

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https://git.reactos.org/?p=reactos.git;a=commitdiff;h=d7ee95b28ba5232027378…

commit d7ee95b28ba5232027378e8918317118b1eac9f4
Author: Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Thu Oct 5 23:43:10 2017 +0200

    [KERNEL32]: w2k3ify GetDriveTypeA()
---
 dll/win32/kernel32/client/file/disk.c | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/dll/win32/kernel32/client/file/disk.c
b/dll/win32/kernel32/client/file/disk.c
index e7843067fc..041f4b197b 100644
--- a/dll/win32/kernel32/client/file/disk.c
+++ b/dll/win32/kernel32/client/file/disk.c
@@ -463,15 +463,26 @@ UINT
 WINAPI
 GetDriveTypeA(IN LPCSTR lpRootPathName)
 {
-    PWCHAR RootPathNameW;
+    PWSTR RootPathU;
 
-    if (!lpRootPathName)
-        return GetDriveTypeW(NULL);
+    if (lpRootPathName != NULL)
+    {
+        PUNICODE_STRING RootPathUStr;
 
-    if (!(RootPathNameW = FilenameA2W(lpRootPathName, FALSE)))
-        return DRIVE_UNKNOWN;
+        RootPathUStr = Basep8BitStringToStaticUnicodeString(lpRootPathName);
+        if (RootPathUStr == NULL)
+        {
+            return DRIVE_NO_ROOT_DIR;
+        }
+
+        RootPathU = RootPathUStr->Buffer;
+    }
+    else
+    {
+        RootPathU = NULL;
+    }
 
-    return GetDriveTypeW(RootPathNameW);
+    return GetDriveTypeW(RootPathU);
 }
 
 /*

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