glibc/inet/inet_net.c
Ulrich Drepper c4db757322 Update.
* gmon/gmon.c: Remove advertising clause of copyright.
	* gmon/mcount.c: Likewise.
	* gmon/sys/gmon.h: Likewise.
	* inet/arpa/ftp.h: Likewise.
	* inet/arpa/telnet.h: Likewise.
	* inet/arpa/tftp.h: Likewise.
	* inet/inet_lnaof.c: Likewise.
	* inet/inet_mkadr.c: Likewise.
	* inet/inet_net.c: Likewise.
	* inet/inet_netof.c: Likewise.
	* inet/protocols/routed.h: Likewise.
	* inet/protocols/rwhod.h: Likewise.
	* inet/protocols/talkd.h: Likewise.
	* inet/protocols/timed.h: Likewise.
	* inet/rcmd.c: Likewise.
	* inet/rexec.c: Likewise.
	* inet/ruserpass.c: Likewise.
	* io/fts.c: Likewise.
	* io/fts.h: Likewise.
	* login/login_tty.c: Likewise.
	* misc/fstab.h: Likewise.
	* misc/getttyent.c: Likewise.
	* misc/getusershell.c: Likewise.
	* misc/sys/queue.h: Likewise.
	* misc/sys/syslog.h: Likewise.
	* misc/syslog.c: Likewise.
	* misc/ttyent.h: Likewise.
	* misc/ttyslot.c: Likewise.
	* resolv/arpa/nameser.h: Likewise.
	* resolv/gethnamaddr.c: Likewise.
	* resolv/herror.c: Likewise.
	* resolv/inet_addr.c: Likewise.
	* resolv/mapv4v6addr.h: Likewise.
	* resolv/mapv4v6hostent.h: Likewise
	* resolv/nss_dns/dns-host.c: Likewise.
	* resolv/nss_dns/dns-network.c: Likewise.
	* resolv/res_comp.c: Likewise.
	* resolv/res_data.c: Likewise.
	* resolv/res_debug.c: Likewise.
	* resolv/res_init.c: Likewise.
	* resolv/res_mkquery.c: Likewise.
	* resolv/res_query.c: Likewise.
	* resolv/res_send.c: Likewise.
	* resolv/resolv.h: Likewise.
	* sysdeps/generic/div.c: Likewise.
	* sysdeps/generic/netinet/ip.h: Likewise.
	* sysdeps/generic/netinet/tcp.h: Likewise.
	* sysdeps/generic/paths.h: Likewise.
	* sysdeps/generic/prof-freq.c: Likewise.
	* sysdeps/generic/sys/ttydefaults.h: Likewise.
	* sysdeps/gnu/netinet/ip_icmp.h: Likewise.
	* sysdeps/gnu/netinet/tcp.h: Likewise.
	* sysdeps/ieee754/support.c: Likewise.
	* sysdeps/mach/hurd/sys/param.h: Likewise.
	* sysdeps/unix/bsd/bsd4.4/bits/errno.h: Likewise.
	* sysdeps/unix/bsd/bsd4.4/bits/ioctls.h: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/sys/ttydefaults.h: Likewise.
	* sysdeps/unix/bsd/sys/reboot.h: Likewise.
	* sysdeps/unix/sysv/linux/netinet/if_ether.h: Likewise.
	* sysdeps/unix/sysv/linux/netinet/igmp.h: Likewise.
	* sysdeps/unix/sysv/linux/netinet/ip.h: Likewise.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/quota.h: Likewise.
	* sysdeps/unix/sysv/linux/sys/ttydefaults.h: Likewise.
	* sysdeps/vax/DEFS.h: Likewise.
	* termios/sys/ttychars.h: Likewise.
	* misc/daemon.c: Likewise.  Call fork.
1999-06-08 21:20:07 +00:00

89 lines
2.7 KiB
C

/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)inet_network.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ctype.h>
/*
* Internet network address interpretation routine.
* The library routines call this routine to interpret
* network numbers.
*/
u_int32_t
inet_network(cp)
register const char *cp;
{
register u_int32_t val, base, n, i;
register char c;
u_int32_t parts[4], *pp = parts;
again:
val = 0; base = 10;
if (*cp == '0')
base = 8, cp++;
if (*cp == 'x' || *cp == 'X')
base = 16, cp++;
while ((c = *cp)) {
if (isdigit(c)) {
val = (val * base) + (c - '0');
cp++;
continue;
}
if (base == 16 && isxdigit(c)) {
val = (val << 4) + (c + 10 - (islower(c) ? 'a' : 'A'));
cp++;
continue;
}
break;
}
if (*cp == '.') {
if (pp >= parts + 4)
return (INADDR_NONE);
*pp++ = val, cp++;
goto again;
}
if (*cp && !isspace(*cp))
return (INADDR_NONE);
*pp++ = val;
n = pp - parts;
if (n > 4)
return (INADDR_NONE);
for (val = 0, i = 0; i < n; i++) {
val <<= 8;
val |= parts[i] & 0xff;
}
return (val);
}