mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-02 10:00:54 +00:00
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
|
|
/*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
// Convience macros for converting nsString's to chars +
|
|
// creating temporary char[] bufs.
|
|
|
|
#ifndef NS_STR_UTIL_H
|
|
#define NS_STR_UTIL_H
|
|
|
|
// nsString to temporary char[] macro
|
|
|
|
// Convience MACROS to convert an nsString to a char * 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_STR_BUF after using the
|
|
// NS_ALLOC_STR_BUF. You can not nest NS_ALLOC_STR_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;
|
|
|
|
#define NS_ALLOC_STR_BUF(aBuf, aStrName, aTempSize) \
|
|
NS_ALLOC_CHAR_BUF(aBuf, aTempSize, aStrName.Length()+1); \
|
|
aStrName.ToCString(aBuf, aStrName.Length()+1);
|
|
|
|
#define NS_FREE_STR_BUF(aBuf) \
|
|
NS_FREE_CHAR_BUF(aBuf)
|
|
|
|
|
|
#endif // NSStringUtil
|