Subversion Repositories planix.SVN

#include "all.h"

extern int cmdfd;

Float
famd(Float a, int b, int c, int d)
{
        ulong x, m;

        x = (a + b) * c;
        m = x % d;
        x /= d;
        if(m >= d / 2)
                x++;
        return x;
}

ulong
fdf(Float a, int d)
{
        ulong x, m;

        m = a % d;
        x = a / d;
        if(m >= d / 2)
                x++;
        return x;
}

long
belong(char *s)
{
        uchar *x;

        x = (uchar *)s;
        return (x[0] << 24) + (x[1] << 16) + (x[2] << 8) + x[3]; 
}

void
panic(char *fmt, ...)
{
        char buf[8192], *s;
        va_list arg;


        s = buf;
        s += sprint(s, "%s %s %d: ", progname, procname, getpid());
        va_start(arg, fmt);
        s = vseprint(s, buf + sizeof(buf) / sizeof(*buf), fmt, arg);
        va_end(arg);
        *s++ = '\n';
        write(2, buf, s - buf);
abort();
        exits(buf);
}

#define SIZE    4096

void
cprint(char *fmt, ...)
{
        char buf[SIZE], *out;
        va_list arg;

        va_start(arg, fmt);
        out = vseprint(buf, buf+SIZE, fmt, arg);
        va_end(arg);
        write(cmdfd, buf, (long)(out-buf));
}

/*
 * print goes to fd 2 [sic] because fd 1 might be
 * otherwise preoccupied when the -s flag is given to kfs.
 */
int
print(char *fmt, ...)
{
        va_list arg;
        int n;

        va_start(arg, fmt);
        n = vfprint(2, fmt, arg);
        va_end(arg);
        return n;
}