diff options
Diffstat (limited to 'lib/prefix.h')
| -rw-r--r-- | lib/prefix.h | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/lib/prefix.h b/lib/prefix.h index aaffb1e0c..231a407cc 100644 --- a/lib/prefix.h +++ b/lib/prefix.h @@ -276,20 +276,29 @@ 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 |