Subversion Repositories planix.SVN

#include        <u.h>
#include        <libc.h>
#include        <bio.h>

static int
fmtBflush(Fmt *f)
{
        Biobufhdr *bp;

        bp = f->farg;
        bp->ocount = (char*)f->to - (char*)f->stop;
        if(Bflush(bp) < 0)
                return 0;
        f->stop = bp->ebuf;
        f->to = (char*)f->stop + bp->ocount;
        f->start = f->to;
        return 1;
}

int
Bvprint(Biobufhdr *bp, char *fmt, va_list arg)
{
        int n;
        Fmt f;

        f.runes = 0;
        f.stop = bp->ebuf;
        f.start = (char*)f.stop + bp->ocount;
        f.to = f.start;
        f.flush = fmtBflush;
        f.farg = bp;
        f.nfmt = 0;
        f.args = arg;
        n = dofmt(&f, fmt);
        bp->ocount = (char*)f.to - (char*)f.stop;
        return n;
}