doom3-bfg/neo/swf/SWF_Zlib.cpp
2012-11-26 12:58:24 -06:00

59 lines
2.4 KiB
C++

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code 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.
Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#pragma hdrstop
#include "../idlib/precompiled.h"
#include "../framework/zlib/zlib.h"
/*
========================
idSWF::Inflate
========================
*/
bool idSWF::Inflate( const byte * input, int inputSize, byte * output, int outputSize ) {
struct local_swf_alloc_t {
static void * zalloc( void * opaque, uint32 items, uint32 size ) {
return Mem_Alloc( items * size, TAG_SWF );
}
static void zfree( void * opaque, void * ptr ) {
Mem_Free( ptr );
}
};
z_stream stream;
memset( &stream, 0, sizeof( stream ) );
stream.next_in = (Bytef *)input;
stream.avail_in = inputSize;
stream.next_out = (Bytef *)output;
stream.avail_out = outputSize;
stream.zalloc = local_swf_alloc_t::zalloc;
stream.zfree = local_swf_alloc_t::zfree;
inflateInit( &stream );
bool success = ( inflate( &stream, Z_FINISH ) == Z_STREAM_END );
inflateEnd( &stream );
return success;
}