From c40e05a0dffa33a8724e56121a2b6dcdfa9183e0 Mon Sep 17 00:00:00 2001 From: Martin Mares Date: Thu, 23 Apr 1998 14:01:15 +0000 Subject: Added IP address manipulation macros, interface declarations and logging. --- lib/ipv6.h | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 lib/ipv6.h (limited to 'lib/ipv6.h') diff --git a/lib/ipv6.h b/lib/ipv6.h new file mode 100644 index 0000000..98d7811 --- /dev/null +++ b/lib/ipv6.h @@ -0,0 +1,44 @@ +/* + * BIRD -- IP Addresses et Cetera for IPv6 + * + * (c) 1998 Martin Mares + * + * Can be freely distributed and used under the terms of the GNU GPL. + */ + +#ifndef _BIRD_IPV4_H_ +#define _BIRD_IPV4_H_ + +#include +#include + +typedef struct ipv4_addr { + u32 addr[4]; +} ip_addr; + +#define _MI(a,b,c,d) ((struct ip_addr) { a, b, c, d }) +#define _I0(a) ((a).addr[0]) +#define _I1(a) ((a).addr[1]) +#define _I2(a) ((a).addr[2]) +#define _I3(a) ((a).addr[3]) + +#define IPA_NONE _MI(0,0,0,0) + +#define ipa_equal(x,y) (!memcmp(&(x),&(y),sizeof(ip_addr))) +#define ipa_and(a,b) _MI(_I0(a) & _I0(b), \ + _I1(a) & _I1(b), \ + _I2(a) & _I2(b), \ + _I3(a) & _I3(b)) +#define ipa_or(a,b) _MI(_I0(a) | _I0(b), \ + _I1(a) | _I1(b), \ + _I2(a) | _I2(b), \ + _I3(a) | _I3(b)) +#define ipa_not(a) _MI(~_I0(a),~_I1(a),~_I2(a),~_I3(a)) + +#define ipa_mkmask(x) ipv6_mkmask(x) +#define ipa_mklen(x) ipv6_mklen(x) + +ip_addr ipv6_mkmask(unsigned); +unsigned ipv6_mklen(ip_addr); + +#endif -- cgit v1.2.3