a

libc/fmtrune.c

@@ -0,0 +1,25 @@
+#include <u.h>
+#include <libc.h>
+#include "fmtdef.h"
+
+int
+fmtrune(Fmt *f, int r)
+{
+	Rune *rt;
+	char *t;
+	int n;
+
+	if(f->runes){
+		rt = f->to;
+		FMTRCHAR(f, rt, f->stop, r);
+		f->to = rt;
+		n = 1;
+	}else{
+		t = f->to;
+		FMTRUNE(f, t, f->stop, r);
+		n = t - (char*)f->to;
+		f->to = t;
+	}
+	f->nfmt += n;
+	return 0;
+}