NetBSD/sys/lib/libnetboot/util.c

85 lines
1.3 KiB
C

/* $NetBSD: util.c,v 1.4 1994/10/26 06:43:17 cgd Exp $ */
#include <sys/param.h>
#include <sys/types.h>
#include <sys/errno.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <stdarg.h>
#include "salibc.h"
#include "netboot.h"
void
#ifdef __STDC__
panic(const char *fmt, ...)
#else
panic(fmt /*, va_alist */)
char *fmt;
#endif
{
va_list ap;
va_start(ap, fmt);
printf(fmt, ap);
printf("\n");
va_end(ap);
machdep_stop();
}
/* Similar to inet_ntoa() */
char *
intoa(addr)
n_long addr;
{
register char *cp;
register u_int byte;
register int n;
static char buf[17]; /* strlen(".255.255.255.255") + 1 */
cp = &buf[sizeof buf];
*--cp = '\0';
n = 4;
do {
byte = addr & 0xff;
*--cp = byte % 10 + '0';
byte /= 10;
if (byte > 0) {
*--cp = byte % 10 + '0';
byte /= 10;
if (byte > 0)
*--cp = byte + '0';
}
*--cp = '.';
addr >>= 8;
} while (--n > 0);
return (cp+1);
}
/*
* Convert Ethernet address to printable (loggable) representation.
*/
static char digits[] = "0123456789abcdef";
char *
ether_sprintf(ap)
register u_char *ap;
{
register i;
static char etherbuf[18];
register char *cp = etherbuf;
for (i = 0; i < 6; i++) {
*cp++ = digits[*ap >> 4];
*cp++ = digits[*ap++ & 0xf];
*cp++ = ':';
}
*--cp = 0;
return (etherbuf);
}