Refactor to do CONF_CHANGED event formatting inside control.c

src/or/config.c

@@ -10,7 +10,6 @@
  **/
 
 #define CONFIG_PRIVATE
-#define CONTROL_PRIVATE
 
 #include "or.h"
 #include "circuitbuild.h"
@@ -695,7 +694,6 @@ int
 set_options(or_options_t *new_val, char **msg)
 {
   int i;
-  char *result;
   smartlist_t *elements;
   config_line_t *line;
   or_options_t *old_options = global_options;
@@ -724,21 +722,16 @@ set_options(or_options_t *new_val, char **msg)
 
         if (line) {
           for (; line; line = line->next) {
-            char *tmp;
-            tor_asprintf(&tmp, "650-%s=%s", line->key, line->value);
-            smartlist_add(elements, tmp);
+            smartlist_add(elements, line->key);
+            smartlist_add(elements, line->value);
           }
         } else {
-          char *tmp;
-          tor_asprintf(&tmp, "650-%s", options_format.vars[i].name);
-          smartlist_add(elements, tmp);
+          smartlist_add(elements, options_format.vars[i].name);
+          smartlist_add(elements, NULL);
         }
       }
     }
-    result = smartlist_join_strings(elements, "\r\n", 0, NULL);
-    control_event_conf_changed(result);
-    tor_free(result);
-    SMARTLIST_FOREACH(elements, char *, cp, tor_free(cp));
+    control_event_conf_changed(elements);
     smartlist_free(elements);
   }
   config_free(&options_format, old_options);

src/or/control.c

@@ -4002,12 +4002,34 @@ control_event_guard(const char *nickname, const char *digest,
  * by SETCONF requests and RELOAD/SIGHUP signals. The <b>values</b> are the
  * keyword/value pairs for the configuration changes tor is using. */
 int
-control_event_conf_changed(const char *values)
+control_event_conf_changed(smartlist_t *elements)
 {
-  if(strlen(values) > 0) {
-    send_control_event(EVENT_CONF_CHANGED, 0,
-      "650-CONF_CHANGED\r\n%s\r\n650 OK\r\n", values);
+  int i;
+  char *result;
+  smartlist_t *lines;
+  if (smartlist_len(elements) == 0) {
+    return 0;
   }
+  lines = smartlist_create();
+  for (i = 0; i < smartlist_len(elements); i += 2) {
+    char *k = smartlist_get(elements, i);
+    char *v = smartlist_get(elements, i+1);
+    if (v == NULL) {
+      char *tmp;
+      tor_asprintf(&tmp, "650-%s", k);
+      smartlist_add(lines, tmp);
+    } else {
+      char *tmp;
+      tor_asprintf(&tmp, "650-%s=%s", k, v);
+      smartlist_add(lines, tmp);
+    }
+  }
+  result = smartlist_join_strings(lines, "\r\n", 0, NULL);
+  send_control_event(EVENT_CONF_CHANGED, 0,
+    "650-CONF_CHANGED\r\n%s\r\n650 OK\r\n", result);
+  tor_free(result);
+  SMARTLIST_FOREACH(lines, char *, cp, tor_free(cp));
+  smartlist_free(lines);
   return 0;
 }
 

src/or/control.h

@@ -66,7 +66,7 @@ int control_event_server_status(int severity, const char *format, ...)
   CHECK_PRINTF(2,3);
 int control_event_guard(const char *nickname, const char *digest,
                         const char *status);
-int control_event_conf_changed(const char *values);
+int control_event_conf_changed(smartlist_t *elements);
 int control_event_buildtimeout_set(const circuit_build_times_t *cbt,
                                    buildtimeout_set_event_t type);
 int control_event_signal(uintptr_t signal);