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/**
* @file llbase64.cpp
* @brief Wrapper for apr base64 encoding that returns a std::string
* @author James Cook
*
* $LicenseInfo:firstyear=2007&license=viewergpl$
*
* Copyright (c) 2007-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llbase64.h"
#include <string>
#include "apr_base64.h"
// static
std::string LLBase64::encode(const U8* input, size_t input_size)
{
std::string output;
if (input
&& input_size > 0)
{
// Yes, it returns int.
int b64_buffer_length = apr_base64_encode_len(input_size);
char* b64_buffer = new char[b64_buffer_length];
// This is faster than apr_base64_encode() if you know
// you're not on an EBCDIC machine. Also, the output is
// null terminated, even though the documentation doesn't
// specify. See apr_base64.c for details. JC
b64_buffer_length = apr_base64_encode_binary(
b64_buffer,
input,
input_size);
output.assign(b64_buffer);
delete[] b64_buffer;
}
return output;
}
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