Dont treat bools as a magic number and simplify negated tests where possible

Author: hamishcoleman

src/edge_management.c

@@ -607,7 +607,7 @@ void readFromMgmtSocket (n2n_edge_t *eee) {
         msg_len += snprintf((char *) (udp_buf + msg_len), (N2N_PKT_BUF_SIZE - msg_len),
                             "%-19s %1s%1s | %-17s | %-21s | %-15s | %9s | %10s\n",
                             peer->version,
-                            (peer->purgeable == false) ? "l" : "",
+                            (peer->purgeable) ? "" : "l",
                             (peer == eee->curr_sn) ? (eee->sn_wait ? "." : "*" ) : "",
                             is_null_mac(peer->mac_addr) ? "" : macaddr_str(mac_buf, peer->mac_addr),
                             sock_to_cstr(sockbuf, &(peer->sock)),

src/n2n.c

@@ -688,7 +688,7 @@ size_t clear_peer_list (struct peer_info ** peer_list) {
     size_t retval = 0;
 
     HASH_ITER(hh, *peer_list, scan, tmp) {
-        if (scan->purgeable == false && scan->ip_addr) {
+        if (!scan->purgeable && scan->ip_addr) {
             free(scan->ip_addr);
         }
         HASH_DEL(*peer_list, scan);

src/sn_management.c

@@ -371,7 +371,7 @@ int process_mgmt (n2n_sn_t *sss,
 
         ressize += snprintf(resbuf + ressize, N2N_SN_PKTBUF_SIZE - ressize,
                             "%s '%s'\n",
-                            (community->is_federation) ? "FEDERATION" : ((community->purgeable == false) ? "FIXED NAME COMMUNITY" : "COMMUNITY"),
+                            (community->is_federation) ? "FEDERATION" : ((community->purgeable) ? "COMMUNITY" : "FIXED NAME COMMUNITY"),
                             (community->is_federation) ? "-/-" : community->community);
         sendto_mgmt(sss, sender_sock, sock_size, (const uint8_t *) resbuf, ressize);
         ressize = 0;
@@ -382,7 +382,7 @@ int process_mgmt (n2n_sn_t *sss,
             ressize += snprintf(resbuf + ressize, N2N_SN_PKTBUF_SIZE - ressize,
                                 "%4u | %-19s | %-17s | %-21s %-3s | %-15s | %9s\n",
                                 ++num,
-                                (peer->dev_addr.net_addr == 0) ? ((peer->purgeable == false) ? "-l" : "") : ip_subnet_to_str(ip_bit_str, &peer->dev_addr),
+                                (peer->dev_addr.net_addr == 0) ? ((peer->purgeable) ? "" : "-l") : ip_subnet_to_str(ip_bit_str, &peer->dev_addr),
                                 (is_null_mac(peer->mac_addr)) ? "" : macaddr_str(mac_buf, peer->mac_addr),
                                 sock_to_cstr(sockbuf, &(peer->sock)),
                                 ((peer->socket_fd >= 0) && (peer->socket_fd != sss->sock)) ? "TCP" : "",

src/sn_utils.c

@@ -1483,7 +1483,7 @@ static int purge_expired_communities (n2n_sn_t *sss,
             }
         }
 
-        if((comm->edges == NULL) && (comm->purgeable == true)) {
+        if((comm->edges == NULL) && (comm->purgeable)) {
             traceEvent(TRACE_INFO, "purging idle community %s", comm->community);
             if(NULL != comm->header_encryption_ctx_static) {
                 /* this should not happen as 'purgeable' and thus only communities w/o encrypted header here */