NetBSD/usr.sbin/sup/source/atoo.c

59 lines
1.6 KiB
C

/* $NetBSD: atoo.c,v 1.5 2002/07/10 21:31:30 wiz Exp $ */
/*
* Copyright (c) 1991 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the rights
* to redistribute these changes.
*/
/* atoo -- convert ascii to octal
*
* Usage: i = atoo (string);
* unsigned int i;
* char *string;
*
* Atoo converts the value contained in "string" into an
* unsigned integer, assuming that the value represents
* an octal number.
*
* HISTORY
* 20-Nov-79 Steven Shafer (sas) at Carnegie-Mellon University
* Rewritten for VAX.
*
*/
#include "supcdefs.h"
#include "supextern.h"
unsigned int
atoo(char *ap)
{
unsigned int n;
char *p;
p = ap;
n = 0;
while (*p == ' ' || *p == ' ')
p++;
while (*p >= '0' && *p <= '7')
n = n * 8 + *p++ - '0';
return (n);
}