Add the ability to append and clear linelist options from cmdline

This will be important for getting stuff to work right across zones.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/or/or.h b/src/or/or.h
index b3fd082cb6..c0963b0eec 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -2841,6 +2841,8 @@ typedef struct port_cfg_t {
 /** Appends to previous configuration for the same option, even if we
  * would ordinary replace it. */
 #define CONFIG_LINE_APPEND 1
+/* Removes all previous configuration for an option. */
+#define CONFIG_LINE_CLEAR 2
 
 /** A linked list of lines in a config file. */
 typedef struct config_line_t {
@@ -2848,7 +2850,7 @@ typedef struct config_line_t {
   char *value;
   struct config_line_t *next;
   /** What special treatment (if any) does this line require? */
-  unsigned int command:1;
+  unsigned int command:2;
   /** If true, subsequent assignments to this linelist should replace
    * it, not extend it.  Set only on the first item in a linelist in an
    * or_options_t. */