[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?…
==============================================================================
--- 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);