1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/extensions/updater/MemoryDownloader.cpp Mon Feb 02 15:41:25 2009 -0500
1.3 @@ -0,0 +1,85 @@
1.4 +/**
1.5 + * vim: set ts=4 :
1.6 + * =============================================================================
1.7 + * SourceMod Updater Extension
1.8 + * Copyright (C) 2004-2009 AlliedModders LLC. All rights reserved.
1.9 + * =============================================================================
1.10 + *
1.11 + * This program is free software; you can redistribute it and/or modify it under
1.12 + * the terms of the GNU General Public License, version 3.0, as published by the
1.13 + * Free Software Foundation.
1.14 + *
1.15 + * This program is distributed in the hope that it will be useful, but WITHOUT
1.16 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
1.17 + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
1.18 + * details.
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License along with
1.21 + * this program. If not, see <http://www.gnu.org/licenses/>.
1.22 + *
1.23 + * As a special exception, AlliedModders LLC gives you permission to link the
1.24 + * code of this program (as well as its derivative works) to "Half-Life 2," the
1.25 + * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
1.26 + * by the Valve Corporation. You must obey the GNU General Public License in
1.27 + * all respects for all other code used. Additionally, AlliedModders LLC grants
1.28 + * this exception to all derivative works. AlliedModders LLC defines further
1.29 + * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
1.30 + * or <http://www.sourcemod.net/license.php>.
1.31 + *
1.32 + * Version: $Id$
1.33 + */
1.34 +
1.35 +#include <assert.h>
1.36 +#include <string.h>
1.37 +#include <stdlib.h>
1.38 +#include "MemoryDownloader.h"
1.39 +
1.40 +using namespace SourceMod;
1.41 +
1.42 +MemoryDownloader::MemoryDownloader() : buffer(NULL), bufsize(0), bufpos(0)
1.43 +{
1.44 +}
1.45 +
1.46 +MemoryDownloader::~MemoryDownloader()
1.47 +{
1.48 + free(buffer);
1.49 +}
1.50 +
1.51 +DownloadWriteStatus MemoryDownloader::OnDownloadWrite(IWebTransfer *session,
1.52 + void *userdata,
1.53 + void *ptr,
1.54 + size_t size,
1.55 + size_t nmemb)
1.56 +{
1.57 + size_t total = size * nmemb;
1.58 +
1.59 + if (bufpos + total > bufsize)
1.60 + {
1.61 + size_t rem = (bufpos + total) - bufsize;
1.62 + bufsize += rem + (rem / 2);
1.63 + buffer = (char *)realloc(buffer, bufsize);
1.64 + }
1.65 +
1.66 + assert(bufpos + total <= bufsize);
1.67 +
1.68 + memcpy(&buffer[bufpos], ptr, total);
1.69 + bufpos += total;
1.70 +
1.71 + return DownloadWrite_Okay;
1.72 +}
1.73 +
1.74 +void MemoryDownloader::Reset()
1.75 +{
1.76 + bufpos = 0;
1.77 +}
1.78 +
1.79 +char *MemoryDownloader::GetBuffer()
1.80 +{
1.81 + return buffer;
1.82 +}
1.83 +
1.84 +size_t MemoryDownloader::GetSize()
1.85 +{
1.86 + return bufpos;
1.87 +}
1.88 +