author dolske@mozilla.com
Wed, 01 Aug 2007 18:04:04 -0700
changeset 4126 66a5c7bce7ee86a820d3c0d54fa07cb719be751c
parent 1 9b2a99adc05e53cd4010de512f50118594756650
permissions -rw-r--r--
wallpaper part 2 for bug 390451 - Remembered passwords lost when changing Master Password. r=vlad, a=damons.

/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * The Original Code is mozilla.org code.
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */

// Convience macros for converting nsString's to chars +
// creating temporary char[] bufs.

#ifndef NS_STR_UTIL_H
#define NS_STR_UTIL_H

// temporary char[] macro

// Convience MACROS which use a static char array if possible to reduce
// memory fragmentation, otherwise they allocate a char[] which must be
// freed.  REMEMBER to always use the NS_FREE_CHAR_BUF after using the
// NS_ALLOC_CHAR_BUF. You can not nest NS_ALLOC_CHAR_BUF's. 

#define NS_ALLOC_CHAR_BUF(aBuf, aSize, aActualSize) \
  int _ns_tmpActualSize = aActualSize;              \
  char _ns_smallBuffer[aSize];                      \
  char * const aBuf = _ns_tmpActualSize <= aSize ? _ns_smallBuffer : new char[_ns_tmpActualSize]; 

#define NS_FREE_CHAR_BUF(aBuf)   \
  if (aBuf != _ns_smallBuffer) \
   delete[] aBuf;

#endif // !defined(NS_STR_UTIL_H)