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
11  * ANY 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 "plan9.h"
17 #include "fmt.h"
18 #include "fmtdef.h"
19 
20 int
21 fmtrune(Fmt *f, int r)
22 {
23 	Rune *rt;
24 	char *t;
25 	int n;
26 
27 	if(f->runes){
28 		rt = (Rune*)f->to;
29 		FMTRCHAR(f, rt, f->stop, r);
30 		f->to = rt;
31 		n = 1;
32 	}else{
33 		t = (char*)f->to;
34 		FMTRUNE(f, t, f->stop, r);
35 		n = t - (char*)f->to;
36 		f->to = t;
37 	}
38 	f->nfmt += n;
39 	return 0;
40 }