From dce6bd2291d2d331b206260b21cc795b33eff5dc Mon Sep 17 00:00:00 2001
From: "neeti%netscape.com"
 <neeti%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Fri, 23 Jun 2000 13:39:44 +0000
Subject: [PATCH] fix for bug 39717 - Disk cache directory not being recreated
 after it's deleted.r=gagan

git-svn-id: svn://10.0.0.236/trunk@73058 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/xpfe/bootstrap/nsAppRunner.cpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/mozilla/xpfe/bootstrap/nsAppRunner.cpp b/mozilla/xpfe/bootstrap/nsAppRunner.cpp
index 160adbabcde..1f5c2239baa 100644
--- a/mozilla/xpfe/bootstrap/nsAppRunner.cpp
+++ b/mozilla/xpfe/bootstrap/nsAppRunner.cpp
@@ -640,17 +640,23 @@ static void	InitCachePrefs()
 {
 	const char * const CACHE_DIR_PREF   = "browser.cache.directory";
 	nsresult rv;
+  PRBool isDir = PR_FALSE;
 	NS_WITH_SERVICE(nsIPref, prefs, NS_PREF_PROGID, &rv);
 	if (NS_FAILED(rv)) return;
 		
 	// If the pref is already set don't do anything
 	nsCOMPtr<nsIFileSpec> cacheSubDir;
 	rv = prefs->GetFilePref(CACHE_DIR_PREF, getter_AddRefs(cacheSubDir));
-	if (NS_SUCCEEDED(rv) && cacheSubDir.get()) return;	
-
+	if (NS_SUCCEEDED(rv) && cacheSubDir.get()){
+    rv = cacheSubDir->IsDirectory(&isDir);
+    if (NS_SUCCEEDED(rv) && isDir)
+      return;
+  }
 // Set up the new pref
-	rv = NS_NewFileSpec(getter_AddRefs(cacheSubDir));
-	if(NS_FAILED(rv)) return;
+  if(!cacheSubDir.get()) {
+	  rv = NS_NewFileSpec(getter_AddRefs(cacheSubDir));
+	  if(NS_FAILED(rv)) return;
+  }
 
 	nsCOMPtr<nsIFileSpec> spec(dont_AddRef(NS_LocateFileOrDirectory(nsSpecialFileSpec::App_UserProfileDirectory50)));	
 	rv = cacheSubDir->FromFileSpec(spec);