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43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GRIM_PATCHR_H
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#define GRIM_PATCHR_H
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namespace Grim {
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/**
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* Take an arbitrary SeekableReadStream and wrap it in a custom stream which
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* transparently patch it on-the-fly. It uses filename.patchr as patchfile,
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* but if it fails, it tries with filename_1.patchr and so on.
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* If no valid patchfile exists, the original stream is returned unmodified
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* (and in particular, not wrapped).
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* For more informations, see diffr and patchr manuals.
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*
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* It is safe to call this with a NULL parameter (in this case, NULL is
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* returned).
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*/
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Common::SeekableReadStream *wrapPatchedFile(Common::SeekableReadStream *rs, const Common::String &filename);
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} // end of namespace Grim
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#endif
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