67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/*
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* and/or other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/* No user fns here. Pesch 15apr92. */
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "%W% (Berkeley) %G%";
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#endif /* LIBC_SCCS and not lint */
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#include <_ansi.h>
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#include <stdio.h>
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#include <errno.h>
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#include "local.h"
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#include "fvwrite.h"
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/*
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* Note that this is the same function as __swbuf_r, just to be called
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* from wide-char functions!
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*
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* The only difference is that we set and test the orientation differently.
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*/
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int
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__swbufw_r (struct _reent *ptr,
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register int c,
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register FILE *fp)
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{
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register int n;
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CHECK_INIT (ptr, fp);
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fp->_w = fp->_lbfsize;
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if (cantwrite (ptr, fp))
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return EOF;
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c = (unsigned char) c;
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if (ORIENT (fp, 1) != 1)
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return EOF;
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n = fp->_p - fp->_bf._base;
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if (n >= fp->_bf._size)
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{
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if (_fflush_r (ptr, fp))
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return EOF;
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n = 0;
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}
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fp->_w--;
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*fp->_p++ = c;
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if (++n == fp->_bf._size || (fp->_flags & __SLBF && c == '\n'))
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if (_fflush_r (ptr, fp))
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return EOF;
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return c;
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}
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