1 /*
2  * The authors of this software are Rob Pike and Ken Thompson.
3  *              Copyright (c) 2002 by Lucent Technologies.
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose without fee is hereby granted, provided that this entire notice
6  * is included in all copies of any software which is or includes a copy
7  * or modification of this software and in all copies of the supporting
8  * documentation for such software.
9  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10  * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
11  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12  * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
13  */
14 #include <stdarg.h>
15 #include <string.h>
16 #include "utf.h"
17 #include "fmt.h"
18 #include "fmtdef.h"
19 
20 /*
21  * public routine for final flush of a formatting buffer
22  * to a file descriptor; returns total char count.
23  */
24 int
25 fmtfdflush(Fmt *f)
26 {
27 	if(__fmtFdFlush(f) <= 0)
28 		return -1;
29 	return f->nfmt;
30 }
31 
32 /*
33  * initialize an output buffer for buffered printing
34  */
35 int
36 fmtfdinit(Fmt *f, int fd, char *buf, int size)
37 {
38 	f->runes = 0;
39 	f->start = buf;
40 	f->to = buf;
41 	f->stop = buf + size;
42 	f->flush = __fmtFdFlush;
43 	f->farg = (void*)fd;
44 	f->nfmt = 0;
45 	return 0;
46 }