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/*
* Copyright (c) 2001-2004 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 1998-2001 University of Notre Dame.
* All rights reserved.
* Copyright (c) 1994-1998 The Ohio State University.
* All rights reserved.
*
* This file is part of the LAM/MPI software package. For license
* information, see the LICENSE file in the top level directory of the
* LAM/MPI source distribution.
*
* $HEADER$
*/
/*
* This file is originally from dLibs 1.2 by Dale Schumacher et al.
* It was modified for Trollius by MB, 88/12.
* It was modified again for portability by GDB, 91/08.
* And yet again by JRV for LAM, 93/05.
*/
#include <stdlib.h>
#include <tstdio.h>
void
_getbuf(fp) /* allocate a buffer for a stream */
register TFILE *fp;
{
if((fp->_flag & _TIONBF)
|| ((fp->_base = (unsigned char *)
malloc((unsigned int) (fp->_bsiz = TBUFSIZ))) == NULL))
{
fp->_flag &= ~(_TIOFBF | _TIOLBF | _TIONBF);
fp->_flag |= _TIONBF;
fp->_base = &(fp->_ch); /* use tiny buffer */
fp->_bsiz = 1;
}
else
fp->_flag |= _TIOMYBUF; /* use big buffer */
fp->_ptr = fp->_base;
fp->_cnt = 0; /* start out with an empty buffer */
}
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