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-rw-r--r--src/or/dns.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/or/dns.c b/src/or/dns.c
index 8224423e92..7ee451826d 100644
--- a/src/or/dns.c
+++ b/src/or/dns.c
@@ -68,7 +68,8 @@ typedef struct pending_connection_t {
struct pending_connection_t *next;
} pending_connection_t;
-/** DOCDOC */
+/** Value of 'magic' field for cached_resolve_t. Used to try to catch bad
+ * pointers and memory stomping. */
#define CACHED_RESOLVE_MAGIC 0x1234F00D
/* Possible states for a cached resolve_t */