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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright (C) 2013 D. R. Commander. All Rights Reserved.
* Copyright 2015 Pierre Ossman for Cendio AB
*
* This 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 software 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 software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <rdr/Exception.h>
#include <rdr/FileInStream.h>
using namespace rdr;
FileInStream::FileInStream(const char *fileName)
{
file = fopen(fileName, "rb");
if (!file)
throw posix_error("fopen", errno);
}
FileInStream::~FileInStream(void) {
if (file) {
fclose(file);
file = nullptr;
}
}
bool FileInStream::fillBuffer()
{
size_t n = fread((uint8_t*)end, 1, availSpace(), file);
if (n == 0) {
if (ferror(file))
throw posix_error("fread", errno);
if (feof(file))
throw end_of_stream();
return false;
}
end += n;
return true;
}
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