1 /*
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are permitted
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * and/or other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley. The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16 */
17 /* No user fns here. Pesch 15apr92. */
18
19 #if defined(LIBC_SCCS) && !defined(lint)
20 static char sccsid[] = "%W% (Berkeley) %G%";
21 #endif /* LIBC_SCCS and not lint */
22
23 #include <_ansi.h>
24 #include <stdio.h>
25 #include <errno.h>
26 #include "local.h"
27 #include "fvwrite.h"
28
29 /*
30 * Note that this is the same function as __swbuf, just to be called
31 * from wide-char functions!
32 *
33 * The only difference is that we set and test the orientation differently.
34 */
35
36 int
__swbufw(register int c,register FILE * fp)37 __swbufw (
38 register int c,
39 register FILE *fp)
40 {
41 register int n;
42
43 fp->_w = fp->_lbfsize;
44 if (cantwrite (ptr, fp))
45 return EOF;
46 c = (unsigned char) c;
47
48 if (ORIENT (fp, 1) != 1)
49 return EOF;
50
51 n = fp->_p - fp->_bf._base;
52 if (n >= fp->_bf._size)
53 {
54 if (fflush (fp))
55 return EOF;
56 n = 0;
57 }
58 fp->_w--;
59 *fp->_p++ = c;
60 if (++n == fp->_bf._size || (fp->_flags & __SLBF && c == '\n'))
61 if (fflush (fp))
62 return EOF;
63 return c;
64 }
65
