ref: ec35f468e0eba87c9f09cbbe5fa8af2591e6f914
dir: /lib9/runevseprint.c/
#include "lib9.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 f.to;
}