uh_connection: remove api: free

Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>

src/connection.c

@@ -373,7 +373,7 @@ static struct http_parser_settings settings = {
     .on_message_complete = on_message_complete_cb
 };
 
-static void conn_free(struct uh_connection *conn)
+void conn_free(struct uh_connection *conn)
 {
     struct ev_loop *loop = conn->srv->loop;
     struct sockaddr_in *addr = &conn->addr;
@@ -589,7 +589,6 @@ struct uh_connection *uh_new_connection(struct uh_server *srv, int sock, struct
 
     conn->parser.data = conn;
 
-    conn->free = conn_free;
     conn->done = conn_done;
     conn->send = conn_send;
     conn->send_file = conn_send_file;

src/connection.h

@@ -94,7 +94,6 @@ struct uh_connection {
     struct http_parser_url url_parser;
     struct uh_connection *prev;
     struct uh_connection *next;
-    void (*free)(struct uh_connection *conn);
     void (*done)(struct uh_connection *conn);   /* Must be called at last, if not call 'error', 'redirect' and 'serve_file' */
     void (*send)(struct uh_connection *conn, const void *data, ssize_t len);
     void (*send_file)(struct uh_connection *conn, const char *path);

src/uhttpd.c

@@ -37,6 +37,8 @@
 #include "ssl.h"
 #include "log.h"
 
+void conn_free(struct uh_connection *conn);
+
 static void uh_server_free(struct uh_server *srv)
 {
     struct uh_connection *conn = srv->conns;
@@ -48,7 +50,7 @@ static void uh_server_free(struct uh_server *srv)
 
     while (conn) {
         struct uh_connection *next = conn->next;
-        conn->free(conn);
+        conn_free(conn);
         conn = next;
     }