[hpoussin] 22731: - Simplify GetFileExt

Author: hpoussin
Date: Sat Jul  1 01:54:25 2006
New Revision: 22731

URL: http://svn.reactos.org/svn/reactos?rev=22731&view=rev
Log:
- Simplify GetFileExt

Modified:
    trunk/reactos/dll/win32/newdev/newdev.c

Modified: trunk/reactos/dll/win32/newdev/newdev.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/newdev/newdev.c?r...
==============================================================================
--- trunk/reactos/dll/win32/newdev/newdev.c (original)
+++ trunk/reactos/dll/win32/newdev/newdev.c Sat Jul  1 01:54:25 2006
@@ -325,22 +325,16 @@
    return TRUE;
 }

-static LPTSTR
+static LPCTSTR
 GetFileExt(IN LPTSTR FileName)
 {
-	if (FileName == 0)
+	LPCTSTR Dot;
+
+	Dot = _tcsrchr(FileName, _T('.'));
+	if (!Dot)
    	return _T("");

-	int i = _tcsclen(FileName);
-	while ((i >= 0) && (FileName[i] != _T('.')))
-		i--;
-
-	FileName = _tcslwr(FileName);
-
-	if (i >= 0)
-		return &FileName[i];
-	else
-		return _T("");
+	return Dot;
 }

static BOOL
@@ -390,7 +384,7 @@
    	{
    		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);