Subversion Repositories planix.SVN

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

struct  bgetd
{
        Biobufhdr*      b;
        int             eof;
};

static int
Bgetdf(void *vp)
{
        int c;
        struct bgetd *bg = vp;

        c = Bgetc(bg->b);
        if(c == Beof)
                bg->eof = 1;
        return c;
}

int
Bgetd(Biobufhdr *bp, double *dp)
{
        double d;
        struct bgetd b;

        b.b = bp;
        b.eof = 0;
        d = charstod(Bgetdf, &b);
        if(b.eof)
                return -1;
        Bungetc(bp);
        *dp = d;
        return 1;
}