add new API asyncns_freeanswer()

2 files changed, 9 insertions, 0 deletions

diff --git a/libasyncns/asyncns.c b/libasyncns/asyncns.c
index 08fcd59..d8d657a 100644
--- a/libasyncns/asyncns.c
+++ b/libasyncns/asyncns.c
@@ -1135,3 +1135,9 @@ void* asyncns_getuserdata(asyncns_t *asyncns, asyncns_query_t *q) {
 
     return q->userdata;
 }
+
+void asyncns_freeanswer(unsigned char *answer) {
+    assert(answer);
+
+    free(answer);
+}
diff --git a/libasyncns/asyncns.h b/libasyncns/asyncns.h
index a57be52..b316668 100644
--- a/libasyncns/asyncns.h
+++ b/libasyncns/asyncns.h
@@ -141,6 +141,9 @@ asyncns_getaddrinfo_done(). Make sure to use this functions instead of
 the libc's freeaddrinfo()! */
 void asyncns_freeaddrinfo(struct addrinfo *ai);
 
+/** Free the answer data as returned by asyncns_res_done().*/
+void asyncns_freeanswer(unsigned char *answer);
+
 /** Returns non-zero when the query operation specified by q has been completed */
 int asyncns_isdone(asyncns_t *asyncns, asyncns_query_t*q);