inet_network.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* from UCB 4.2 82/10/07 */
#include <ctype.h>
/*
* Internet network address interpretation routine.
* The library routines call this routine to interpret
* network numbers.
*/
register char *cp;
{
register char c;
register int i;
if (*cp == '0') {
else
base = 8;
}
while (c = *cp) {
if (isdigit(c)) {
if ((c - '0') >= base)
break;
cp++;
continue;
}
cp++;
continue;
}
break;
}
if (*cp == '.') {
return (-1);
goto again;
}
return (-1);
if (n > 4)
return (-1);
for (val = 0, i = 0; i < n; i++) {
val <<= 8;
}
return (val);
}