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Diffstat (limited to 'epan/addr_and_mask.h')
| -rw-r--r-- | epan/addr_and_mask.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/epan/addr_and_mask.h b/epan/addr_and_mask.h new file mode 100644 index 0000000000..c05f335370 --- /dev/null +++ b/epan/addr_and_mask.h @@ -0,0 +1,45 @@ +/* addr_and_mask.h + * Declarations of routines to fetch IPv4 and IPv6 addresses from a tvbuff + * and then mask out bits other than those covered by a prefix length + * + * $Id: addr_and_mask.h,v 1.1 2004/03/06 03:25:10 guy Exp $ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __ADDR_AND_MASK_H__ +#define __ADDR_AND_MASK_H__ + +/* + * These routines return PREFIX_LEN_OK on success, PREFIX_LEN_TOO_LONG if + * the prefix length is too long, and PREFIX_LEN_ZERO if the prefix length + * is 0. + */ + +#define PREFIX_LEN_OK 0 +#define PREFIX_LEN_TOO_LONG 1 +#define PREFIX_LEN_ZERO 2 + +extern int ipv4_addr_and_mask(tvbuff_t *tvb, int offset, guint8 *addr, + guint32 prefix_len); + +extern int ipv6_addr_and_mask(tvbuff_t *tvb, int offset, + struct e_in6_addr *addr, guint32 prefix_len); + +#endif /* __ADDR_AND_MASK_H__ */ |