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41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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setvbuf.cpp
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Sets up buffering semantics for a FILE.
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*******************************************************************************/
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#include <errno.h>
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#include <stdio.h>
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extern "C" int setvbuf(FILE* fp, char* buf, int mode, size_t size)
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{
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if ( fp->flags & _FILE_BUFFER_MODE_SET )
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return errno = EINVAL, -1;
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fp->buffer_mode = mode;
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if ( buf )
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{
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fp->buffer = (unsigned char*) buf;
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fp->buffersize = size;
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fp->flags |= _FILE_BUFFER_MODE_SET;
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}
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return 0;
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}
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