ksprintn() may be called with base=2, so redefine MAXNBUF accordingly.

Other brucification tweaks.

Obtained from:	bde@freebsd.org
This commit is contained in:
archie 1999-06-07 18:26:26 +00:00
parent b2b9dd4d0a
commit 289c2a94b6

View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)subr_prf.c 8.3 (Berkeley) 1/21/94
* $Id: subr_prf.c,v 1.52 1999/06/01 18:20:29 jlemon Exp $
* $Id: subr_prf.c,v 1.53 1999/06/06 02:41:55 archie Exp $
*/
#include <sys/param.h>
@ -60,21 +60,21 @@
#define TOTTY 0x02
#define TOLOG 0x04
/* Max number conversion buffer length: a long in base 8, plus NUL byte */
#define MAXNBUF (sizeof(long) * NBBY / 3 + 2)
struct tty *constty; /* pointer to console "window" tty */
/* Max number conversion buffer length: a long in base 2, plus NUL byte. */
#define MAXNBUF (sizeof(long) * NBBY + 1)
struct putchar_arg {
int flags;
struct tty *tty;
int flags;
struct tty *tty;
};
struct snprintf_arg {
char *str;
size_t remain;
char *str;
size_t remain;
};
struct tty *constty; /* pointer to console "window" tty */
static void (*v_putc)(int) = cnputc; /* routine to putc on virtual console */
static void logpri __P((int level));
static void msglogchar(int c, void *dummyarg);
@ -217,8 +217,8 @@ static void
logpri(level)
int level;
{
register char *p;
char nbuf[MAXNBUF];
register char *p;
msglogchar('<', NULL);
for (p = ksprintn(nbuf, (u_long)level, 10, NULL); *p;)
@ -386,25 +386,26 @@ snprintf_func(int ch, void *arg)
}
/*
* Put a number (base <= 16) in a buffer in reverse order; return an
* optional length and a pointer to the NULL terminated (preceded?)
* buffer. The buffer pointed to by "buf" must have length >= MAXNBUF.
* Put a NUL-terminated ASCII number (base <= 16) in a buffer in reverse
* order; return an optional length and a pointer to the last character
* written in the buffer (i.e., the first character of the string).
* The buffer pointed to by `nbuf' must have length >= MAXNBUF.
*/
static char *
ksprintn(buf, ul, base, lenp)
char *buf;
ksprintn(nbuf, ul, base, lenp)
char *nbuf;
register u_long ul;
register int base, *lenp;
{ /* A long in base 8, plus NULL. */
{
register char *p;
p = buf;
p = nbuf;
*p = '\0';
do {
*++p = hex2ascii(ul % base);
} while (ul /= base);
if (lenp)
*lenp = p - buf;
*lenp = p - nbuf;
return (p);
}