rainmeter-studio/Library/UpdateCheck.cpp

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/*
Copyright (C) 2004 Kimmo Pekkola
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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
#include "StdAfx.h"
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#include "Litestep.h"
#include "Rainmeter.h"
#include "../Version.h"
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extern CRainmeter* Rainmeter;
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void CheckVersion(void* dummy)
{
HINTERNET hRootHandle = InternetOpen(
L"Rainmeter",
INTERNET_OPEN_TYPE_PRECONFIG,
NULL,
NULL,
0);
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if (hRootHandle == NULL)
{
return;
}
HINTERNET hUrlDump = InternetOpenUrl(hRootHandle, L"http://rainmeter.github.com/rainmeter/release", NULL, NULL, INTERNET_FLAG_RESYNCHRONIZE, 0);
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if (hUrlDump)
{
DWORD dwSize;
char buffer[16] = {0}; // 16 should be enough for the version number
if (InternetReadFile(hUrlDump, (LPVOID)buffer, 15, &dwSize))
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{
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int version = atoi(buffer) * 1000000;
char* pos = strchr(buffer, '.');
if (pos)
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{
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++pos; // Skip .
version += atoi(pos) * 1000;
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pos = strchr(pos, '.');
if (pos)
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{
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++pos; // Skip .
version += atoi(pos);
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}
}
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if (version > RAINMETER_VERSION)
{
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Rainmeter->SetNewVersion();
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}
}
InternetCloseHandle(hUrlDump);
}
InternetCloseHandle(hRootHandle);
}
void CheckUpdate()
{
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_beginthread(CheckVersion, 0, NULL);
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}