IMAP: New folders will now adopt default mail attributes.

* Added a function CopyMailFolderAttributes() that copies the attribute
  layout from the text/x-email default query folder.
* This using the new CopyAttributes() method in libshared that is pretty
  much a copy of a similar method from copyattr. However, I did not
  replace the latter, as that one allows for more fine grained error
  reporting (and attribute filtering).
* Closes ticket #3498.

headers/private/mail/mail_util.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011, Haiku, Inc. All rights reserved.
+ * Copyright 2011-2016, Haiku, Inc. All rights reserved.
  * Copyright 2001-2003 Dr. Zoidberg Enterprises. All rights reserved.
  */
 #ifndef ZOIDBERG_GARGOYLE_MAIL_UTIL_H
@@ -102,5 +102,7 @@ void extract_address_name(BString &address);
 void get_address_list(BList &list, const char *string,
 	void (*cleanupFunc)(BString &) = NULL);
 
+status_t CopyMailFolderAttributes(const char* targetPath);
+
 
 #endif	/* ZOIDBERG_GARGOYLE_MAIL_UTIL_H */

headers/private/shared/AttributeUtilities.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2016 Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef ATTRIBUTE_UTILITIES_H
+#define ATTRIBUTE_UTILITIES_H
+
+
+#include <SupportDefs.h>
+
+
+class BNode;
+
+
+namespace BPrivate {
+
+
+status_t CopyAttributes(BNode& source, BNode& destination);
+
+
+}	// namespace BPrivate
+
+
+#endif // ATTRIBUTE_UTILITIES_H

src/add-ons/mail_daemon/inbound_protocols/imap/IMAPProtocol.cpp

@@ -13,6 +13,8 @@
 #include "IMAPFolder.h"
 #include "Utilities.h"
 
+#include <mail_util.h>
+
 
 IMAPProtocol::IMAPProtocol(const BMailAccountSettings& settings)
 	:
@@ -280,6 +282,8 @@ IMAPProtocol::_CreateFolder(const BString& mailbox, const BString& separator)
 		return NULL;
 	}
 
+	CopyMailFolderAttributes(path.Path());
+
 	entry_ref ref;
 	status = get_ref_for_path(path.Path(), &ref);
 	if (status != B_OK) {

src/kits/mail/Jamfile

@@ -58,7 +58,7 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 		SharedLibrary $(libmail) :
 			$(sources)
 			:
-			be bnetapi textencoding tracker
+			be bnetapi textencoding tracker libshared.a
 			[ TargetLibstdc++ ]
 			$(TARGET_NETWORK_LIBS)
 			$(TARGET_SELECT_UNAME_ETC_LIB)

src/kits/mail/mail_util.cpp

@@ -14,14 +14,17 @@
 #include <ctype.h>
 #include <errno.h>
 
+#include <FindDirectory.h>
 #include <List.h>
 #include <Locker.h>
 #include <parsedate.h>
+#include <Path.h>
 #include <String.h>
 #include <UTF8.h>
 
 #include <mail_encoding.h>
 
+#include <AttributeUtilities.h>
 #include <CharacterSet.h>
 #include <CharacterSetRoster.h>
 
@@ -1547,3 +1550,20 @@ get_address_list(BList &list, const char *string,
 	}
 }
 
+
+status_t
+CopyMailFolderAttributes(const char* targetPath)
+{
+	BPath path;
+	status_t status = find_directory(B_USER_SETTINGS_DIRECTORY, &path);
+	if (status != B_OK)
+		return status;
+
+	path.Append("Tracker");
+	path.Append("DefaultQueryTemplates");
+	path.Append("text_x-email");
+
+	BNode source(path.Path());
+	BNode target(targetPath);
+	return BPrivate::CopyAttributes(source, target);
+}

src/kits/shared/AttributeUtilities.cpp

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2005-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Copyright 2016, Axel Dörfler, axeld@pinc-software.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "AttributeUtilities.h"
+
+#include <fs_attr.h>
+#include <Node.h>
+#include <StorageDefs.h>
+
+
+static const int kCopyBufferSize = 64 * 1024;
+	// 64 KB
+
+
+namespace BPrivate {
+
+
+status_t
+CopyAttributes(BNode& source, BNode& destination)
+{
+	char attrName[B_ATTR_NAME_LENGTH];
+	while (source.GetNextAttrName(attrName) == B_OK) {
+		// get attr info
+		attr_info attrInfo;
+		status_t status = source.GetAttrInfo(attrName, &attrInfo);
+		if (status != B_OK)
+			return status;
+
+		// copy the attribute
+		char buffer[kCopyBufferSize];
+		off_t offset = 0;
+		off_t bytesLeft = attrInfo.size;
+
+		// Go at least once through the loop, so that an empty attribute will be
+		// created as well
+		do {
+			size_t toRead = kCopyBufferSize;
+			if ((off_t)toRead > bytesLeft)
+				toRead = bytesLeft;
+
+			// read
+			ssize_t bytesRead = source.ReadAttr(attrName, attrInfo.type,
+				offset, buffer, toRead);
+			if (bytesRead < 0)
+				return bytesRead;
+
+			// write
+			ssize_t bytesWritten = destination.WriteAttr(attrName,
+				attrInfo.type, offset, buffer, bytesRead);
+			if (bytesWritten < 0)
+				return bytesWritten;
+
+			bytesLeft -= bytesRead;
+			offset += bytesRead;
+		} while (bytesLeft > 0);
+	}
+	return B_OK;
+}
+
+
+}	// namespace BPrivate
+

src/kits/shared/Jamfile

@@ -29,6 +29,7 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 		StaticLibrary [ MultiArchDefaultGristFiles libshared.a ] :
 			AboutMenuItem.cpp
 			ArgumentVector.cpp
+			AttributeUtilities.cpp
 			CalendarView.cpp
 			ColorQuantizer.cpp
 			CommandPipe.cpp