Tweak patch for 18529.

- function doesn't need to be inline.

- rename function

- Make documentation more pedantically correct

- Remove needless "? 1 : 0."

src/or/config.c

@@ -2312,6 +2312,14 @@ reset_last_resolved_addr(void)
   last_resolved_addr = 0;
 }
 
+/* Return true if <b>options</b> is using the default authorities, and false
+ * if any authority-related option has been overridden. */
+int
+using_default_dir_authorities(const or_options_t *options)
+{
+  return (!options->DirAuthorities && !options->AlternateDirAuthority);
+}
+
 /**
  * Attempt getting our non-local (as judged by tor_addr_is_internal()
  * function) IP address using following techniques, listed in
@@ -2471,7 +2479,7 @@ resolve_my_address(int warn_severity, const or_options_t *options,
   addr_string = tor_dup_ip(addr);
   if (tor_addr_is_internal(&myaddr, 0)) {
     /* make sure we're ok with publishing an internal IP */
-    if (is_default_dir_authorities(options)) {
+    if (using_default_dir_authorities(options)) {
       /* if they are using the default authorities, disallow internal IPs
        * always. */
       log_fn(warn_severity, LD_CONFIG,

src/or/config.h

@@ -76,7 +76,7 @@ MOCK_DECL(char *,
 #define get_datadir_fname_suffix(sub1, suffix) \
   get_datadir_fname2_suffix((sub1), NULL, (suffix))
 
-inline int is_default_dir_authorities(const or_options_t *options);
+int using_default_dir_authorities(const or_options_t *options);
 
 int check_or_create_data_subdir(const char *subdir);
 int write_to_data_subdir(const char* subdir, const char* fname,
@@ -149,14 +149,6 @@ smartlist_t *get_options_from_transport_options_line(const char *line,
                                                      const char *transport);
 smartlist_t *get_options_for_server_transport(const char *transport);
 
-/* Check if we are using default authorities */
-inline int
-is_default_dir_authorities(const or_options_t *options)
-{
-  return (!options->DirAuthorities &&
-          !options->AlternateDirAuthority) ? 1 : 0;
-}
-
 #ifdef CONFIG_PRIVATE
 
 #define CL_PORT_NO_STREAM_OPTIONS (1u<<0)

src/or/router.c

@@ -2093,7 +2093,7 @@ router_build_fresh_descriptor(routerinfo_t **r, extrainfo_t **e)
           tor_addr_family(&p->addr) == AF_INET6) {
         /* Like IPv4, if the relay is configured using the default
          * authorities, disallow internal IPs. Otherwise, allow them. */
-        const int default_auth = is_default_dir_authorities(options);
+        const int default_auth = using_default_dir_authorities(options);
         if (! tor_addr_is_internal(&p->addr, 0) || ! default_auth) {
           ipv6_orport = p;
           break;