mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-19 13:07:55 +00:00
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
/*
|
|
* ZeroTier One - Global Peer to Peer Ethernet
|
|
* Copyright (C) 2012-2013 ZeroTier Networks LLC
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* --
|
|
*
|
|
* ZeroTier may be used and distributed under the terms of the GPLv3, which
|
|
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
|
|
*
|
|
* If you would like to embed ZeroTier into a commercial application or
|
|
* redistribute it in a modified binary form, please contact ZeroTier Networks
|
|
* LLC. Start here: http://www.zerotier.com/
|
|
*/
|
|
|
|
/* Converts files to LZ4-compressed C arrays, used in building installers. */
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <iostream>
|
|
|
|
#include "node/Utils.hpp"
|
|
|
|
#include "ext/lz4/lz4.h"
|
|
#include "ext/lz4/lz4hc.h"
|
|
|
|
using namespace ZeroTier;
|
|
|
|
int main(int argc,char **argv)
|
|
{
|
|
char tmp[16];
|
|
|
|
if (argc != 3) {
|
|
std::cerr << "Usage: " << argv[0] << " <file> <name of C array>" << std::endl;
|
|
return -1;
|
|
}
|
|
|
|
std::string buf;
|
|
if (!Utils::readFile(argv[1],buf)) {
|
|
std::cerr << "Could not read " << argv[1] << std::endl;
|
|
return -1;
|
|
}
|
|
|
|
unsigned char *compbuf = new unsigned char[LZ4_compressBound((int)buf.length())];
|
|
int complen = LZ4_compressHC(buf.data(),(char *)compbuf,(int)buf.length());
|
|
|
|
if (complen <= 0) {
|
|
std::cerr << "Error compressing data." << std::endl;
|
|
return -1;
|
|
}
|
|
|
|
std::cout << "#define " << argv[2] << "_UNCOMPRESSED_LEN " << buf.length() << std::endl;
|
|
std::cout << "#define " << argv[2] << "_LZ4_LEN " << complen << std::endl;
|
|
std::cout << "static const unsigned char " << argv[2] << '[' << argv[2] << "_LZ4_LEN] = {";
|
|
for(int i=0;i<complen;++i) {
|
|
if (!(i % 15))
|
|
std::cout << std::endl << '\t';
|
|
Utils::snprintf(tmp,sizeof(tmp),"0x%.2x",(unsigned int)compbuf[i]);
|
|
std::cout << tmp;
|
|
if (i != (complen - 1))
|
|
std::cout << ',';
|
|
}
|
|
std::cout << std::endl << "};" << std::endl;
|
|
|
|
delete [] compbuf;
|
|
return 0;
|
|
}
|