drawterm/libc/runevseprint.c

#include <u.h>
#include <libc.h>
#include "fmtdef.h"

Rune*
runevseprint(Rune *buf, Rune *e, char *fmt, va_list args)
{
	Fmt f;

	if(e <= buf)
		return nil;
	f.runes = 1;
	f.start = buf;
	f.to = buf;
	f.stop = e - 1;
	f.flush = nil;
	f.farg = nil;
	f.nfmt = 0;
	VA_COPY(f.args,args);
	dofmt(&f, fmt);
	VA_END(f.args);
	*(Rune*)f.to = '\0';
	return (Rune*)f.to;
}