1 /*
2 * The authors of this software are Rob Pike and Ken Thompson,
3 * with contributions from Mike Burrows and Sean Dorward.
4 *
5 * Copyright (c) 2002-2006 by Lucent Technologies.
6 * Portions Copyright (c) 2004 Google Inc.
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose without fee is hereby granted, provided that this entire notice
10 * is included in all copies of any software which is or includes a copy
11 * or modification of this software and in all copies of the supporting
12 * documentation for such software.
13 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
14 * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES
15 * NOR GOOGLE INC MAKE ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING
16 * THE MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
17 */
18
19 #include <u.h>
20 #include <libc.h>
21 #include "fmtdef.h"
22
23 int
24 fmtrune(Fmt *f, int r)
25 {
26 Rune *rt;
27 char *t;
28 int n;
29
30 if(f->runes){
31 rt = (Rune*)f->to;
32 FMTRCHAR(f, rt, f->stop, r);
33 f->to = rt;
34 n = 1;
35 }else{
36 t = (char*)f->to;
37 FMTRUNE(f, t, f->stop, r);
38 n = t - (char*)f->to;
39 f->to = t;
40 }
41 f->nfmt += n;
42 return 0;
43 }