From 22920adf3e0a761a7dcc9005a2974c5a87d5f12b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Sat, 21 Mar 2009 21:16:23 +0000
Subject: [PATCH] Added a way to remove the application flags from the
 BAppFileInfo. The flags would not tell anything, since B_SINGLE_LAUNCH equals
 0.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29636 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/os/storage/AppFileInfo.h |  1 +
 src/kits/storage/AppFileInfo.cpp | 27 +++++++++++++++++++++++----
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/headers/os/storage/AppFileInfo.h b/headers/os/storage/AppFileInfo.h
index 599926fd43..0473b9ec8e 100644
--- a/headers/os/storage/AppFileInfo.h
+++ b/headers/os/storage/AppFileInfo.h
@@ -67,6 +67,7 @@ class BAppFileInfo: public BNodeInfo {
 
 		status_t GetAppFlags(uint32 *flags) const;
 		status_t SetAppFlags(uint32 flags);
+		status_t RemoveAppFlags();
 
 		status_t GetSupportedTypes(BMessage *types) const;
 		status_t SetSupportedTypes(const BMessage *types, bool syncAll);
diff --git a/src/kits/storage/AppFileInfo.cpp b/src/kits/storage/AppFileInfo.cpp
index 5977eb078f..09877acaec 100644
--- a/src/kits/storage/AppFileInfo.cpp
+++ b/src/kits/storage/AppFileInfo.cpp
@@ -379,10 +379,29 @@ BAppFileInfo::SetAppFlags(uint32 flags)
 		error = B_NO_INIT;
 	if (error == B_OK) {
 		// write the data
-		if (error == B_OK) {
-			error = _WriteData(kAppFlagsAttribute, kAppFlagsResourceID,
-							   B_APP_FLAGS_TYPE, &flags, sizeof(uint32));
-		}
+		error = _WriteData(kAppFlagsAttribute, kAppFlagsResourceID,
+						   B_APP_FLAGS_TYPE, &flags, sizeof(uint32));
+	}
+	return error;
+}
+
+// RemoveAppFlags
+/*!	\brief Removes the file's application flags.
+	\return
+	- \c B_OK: Everything went fine.
+	- \c B_NO_INIT: The object is not properly initialized.
+	- other error codes
+*/
+status_t
+BAppFileInfo::RemoveAppFlags()
+{
+	// check initialization
+	status_t error = B_OK;
+	if (error == B_OK && InitCheck() != B_OK)
+		error = B_NO_INIT;
+	if (error == B_OK) {
+		// remove the data
+		error = _RemoveData(kAppFlagsAttribute, B_APP_FLAGS_TYPE);
 	}
 	return error;
 }