xref: /plan9/sys/src/cmd/unix/drawterm/libc/fmtrune.c (revision 2282df4ee19682a10ae95200202320ff2912f104) 
1 #include <u.h>
2 #include <libc.h>
3 #include "fmtdef.h"
4 
5 int
fmtrune(Fmt * f,int r)6 fmtrune(Fmt *f, int r)
7 {
8 	Rune *rt;
9 	char *t;
10 	int n;
11 
12 	if(f->runes){
13 		rt = (Rune*)f->to;
14 		FMTRCHAR(f, rt, f->stop, r);
15 		f->to = rt;
16 		n = 1;
17 	}else{
18 		t = (char*)f->to;
19 		FMTRUNE(f, t, f->stop, r);
20 		n = t - (char*)f->to;
21 		f->to = t;
22 	}
23 	f->nfmt += n;
24 	return 0;
25 }
26