mirror of
https://github.com/opencv/opencv.git
synced 2024-12-12 23:49:36 +08:00
69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
|
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||
|
|
//
|
||
|
|
// By downloading, copying, installing or using the software you agree to this license.
|
||
|
|
// If you do not agree to this license, do not download, install,
|
||
|
|
// copy or use the software.
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// License Agreement
|
||
|
|
// For Open Source Computer Vision Library
|
||
|
|
//
|
||
|
|
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
||
|
|
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
||
|
|
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
|
||
|
|
// Third party copyrights are property of their respective owners.
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without modification,
|
||
|
|
// are permitted provided that the following conditions are met:
|
||
|
|
//
|
||
|
|
// * Redistribution's of source code must retain the above copyright notice,
|
||
|
|
// this list of conditions and the following disclaimer.
|
||
|
|
//
|
||
|
|
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||
|
|
// this list of conditions and the following disclaimer in the documentation
|
||
|
|
// and/or other materials provided with the distribution.
|
||
|
|
//
|
||
|
|
// * The name of the copyright holders may not be used to endorse or promote products
|
||
|
|
// derived from this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// This software is provided by the copyright holders and contributors "as is" and
|
||
|
|
// any express or implied warranties, including, but not limited to, the implied
|
||
|
|
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||
|
|
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||
|
|
// indirect, incidental, special, exemplary, or consequential damages
|
||
|
|
// (including, but not limited to, procurement of substitute goods or services;
|
||
|
|
// loss of use, data, or profits; or business interruption) however caused
|
||
|
|
// and on any theory of liability, whether in contract, strict liability,
|
||
|
|
// or tort (including negligence or otherwise) arising in any way out of
|
||
|
|
// the use of this software, even if advised of the possibility of such damage.
|
||
|
|
//
|
||
|
|
//M*/
|
||
|
|
|
||
|
|
|
||
|
|
#include "precomp.hpp"
|
||
|
|
|
||
|
|
char* cv::String::allocate(size_t len)
|
||
|
|
{
|
||
|
|
size_t totalsize = alignSize(len + 1, (int)sizeof(int));
|
||
|
|
int* data = (int*)cv::fastMalloc(totalsize + sizeof(int));
|
||
|
|
data[0] = 1;
|
||
|
|
cstr_ = (char*)(data + 1);
|
||
|
|
len_ = len;
|
||
|
|
cstr_[len] = 0;
|
||
|
|
return cstr_;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void cv::String::deallocate()
|
||
|
|
{
|
||
|
|
int* data = (int*)cstr_;
|
||
|
|
len_ = 0;
|
||
|
|
cstr_ = 0;
|
||
|
|
|
||
|
|
if(data && 1 == CV_XADD(data-1, -1))
|
||
|
|
{
|
||
|
|
cv::fastFree(data-1);
|
||
|
|
}
|
||
|
|
}
|