diff options
Diffstat (limited to 'lib/prefix.h')
| -rw-r--r-- | lib/prefix.h | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/lib/prefix.h b/lib/prefix.h index aaffb1e0c5..ae931288c0 100644 --- a/lib/prefix.h +++ b/lib/prefix.h @@ -35,6 +35,10 @@ #include "ipaddr.h" #include "compiler.h" +#ifdef __cplusplus +extern "C" { +#endif + #ifndef ETH_ALEN #define ETH_ALEN 6 #endif @@ -276,20 +280,29 @@ struct prefix_sg { * side, which strips type safety since the cast will accept any pointer * type.) */ +#ifndef __cplusplus +#define prefixtype(uname, typename, fieldname) \ + typename *fieldname; +#else +#define prefixtype(uname, typename, fieldname) \ + typename *fieldname; \ + uname(typename *x) { this->fieldname = x; } +#endif + union prefixptr { - struct prefix *p; - struct prefix_ipv4 *p4; - struct prefix_ipv6 *p6; - struct prefix_evpn *evp; - const struct prefix_fs *fs; + prefixtype(prefixptr, struct prefix, p) + prefixtype(prefixptr, struct prefix_ipv4, p4) + prefixtype(prefixptr, struct prefix_ipv6, p6) + prefixtype(prefixptr, struct prefix_evpn, evp) + prefixtype(prefixptr, struct prefix_fs, fs) } __attribute__((transparent_union)); union prefixconstptr { - const struct prefix *p; - const struct prefix_ipv4 *p4; - const struct prefix_ipv6 *p6; - const struct prefix_evpn *evp; - const struct prefix_fs *fs; + prefixtype(prefixconstptr, const struct prefix, p) + prefixtype(prefixconstptr, const struct prefix_ipv4, p4) + prefixtype(prefixconstptr, const struct prefix_ipv6, p6) + prefixtype(prefixconstptr, const struct prefix_evpn, evp) + prefixtype(prefixconstptr, const struct prefix_fs, fs) } __attribute__((transparent_union)); #ifndef INET_ADDRSTRLEN @@ -497,4 +510,9 @@ static inline int is_host_route(struct prefix *p) return (p->prefixlen == IPV6_MAX_BITLEN); return 0; } + +#ifdef __cplusplus +} +#endif + #endif /* _ZEBRA_PREFIX_H */ |