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/******************************************************************************
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* Project: libLAS - http://liblas.org - A BSD library for LAS format data.
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* Purpose: Stream wrapper for FILE pointer.
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* Author: Mateusz Loskot <mateusz@loskot.net>
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******************************************************************************
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* Copyright (c) 2010, Mateusz Loskot
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* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of the Martin Isenburg or Iowa Department
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* of Natural Resources nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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****************************************************************************/
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#ifndef LIBLAS_DETAIL_FILE_PTR_STREAM_HPP_INCLUDED
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#define LIBLAS_DETAIL_FILE_PTR_STREAM_HPP_INCLUDED
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namespace liblas { namespace detail {
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class file_ptr_streambuf : public std::streambuf
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file_ptr_streambuf(FILE* fp) : std::streambuf() , fp(fp) {}
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virtual int overflow(int c)
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return EOF != c ? std::fputc(c, fp) : EOF;
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virtual int underflow()
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int const c = std::getc(fp);
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virtual int pbackfail(int c)
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return EOF != c ? std::ungetc(c, fp) : EOF;
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return std::fflush(fp);
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#pragma warning(disable: 4355)
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class file_ptr_istream : private file_ptr_streambuf, public std::istream
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explicit file_ptr_istream(FILE* fp) : file_ptr_streambuf(fp), std::istream(this) {}
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class file_ptr_ostream : private file_ptr_streambuf, public std::ostream
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explicit file_ptr_ostream(FILE* fp) : file_ptr_streambuf(fp), std::ostream(this) {}
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}} //namespace liblas::detail
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#endif // LIBLAS_DETAIL_FILE_PTR_STREAM_HPP_INCLUDED
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