- Simplify GetFileExt

[reactos.git] / reactos / dll / win32 / newdev / newdev.c

diff --git a/reactos/dll/win32/newdev/newdev.c b/reactos/dll/win32/newdev/newdev.c
index 1bd727c..0ecc7e1 100644 (file)
--- a/reactos/dll/win32/newdev/newdev.c
+++ b/reactos/dll/win32/newdev/newdev.c
@@ -325,22 +325,16 @@ IsDots(IN LPCTSTR str)
        return TRUE;
 }
 
-static LPTSTR
+static LPCTSTR
 GetFileExt(IN LPTSTR FileName)
 {
-       if (FileName == 0)
-               return _T("");
-
-       int i = _tcsclen(FileName);
-       while ((i >= 0) && (FileName[i] != _T('.')))
-               i--;
-
-       FileName = _tcslwr(FileName);
+       LPCTSTR Dot;
 
-       if (i >= 0)
-               return &FileName[i];
-       else
+       Dot = _tcsrchr(FileName, _T('.'));
+       if (!Dot)
                return _T("");
+
+       return Dot;
 }
 
 static BOOL
@@ -390,7 +384,7 @@ SearchDriverRecursive(
                {
                        LPCTSTR pszExtension = GetFileExt(FileName);
 
-                       if ((_tcscmp(pszExtension, _T(".inf")) == 0) && (_tcscmp(LastDirPath, DirPath) != 0))
+                       if ((_tcsicmp(pszExtension, _T(".inf")) == 0) && (_tcscmp(LastDirPath, DirPath) != 0))
                        {
                                _tcscpy(LastDirPath, DirPath);