43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of LibMaxsi.
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LibMaxsi is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details.
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You should have received a copy of the GNU Lesser General Public License
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along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
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fflush.cpp
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Flushes a FILE.
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*******************************************************************************/
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#include <stdio.h>
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#include <errno.h>
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extern "C" int fflush(FILE* fp)
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{
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if ( !fp )
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{
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int result = 0;
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for ( fp = _firstfile; fp; fp = fp->next ) { result |= fflush(fp); }
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return result;
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}
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if ( !fp->write_func ) { errno = EBADF; return EOF; }
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if ( !fp->bufferused ) { return 0; }
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size_t written = fp->write_func(fp->buffer, 1, fp->bufferused, fp->user);
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if ( written < fp->bufferused ) { return EOF; }
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fp->bufferused = 0;
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return 0;
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}
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