Fix libmicrohttpd <= 0.9.60 API usage

Should now work for libmicrohttpd 0.9.16 to 1.0.2.

For #50.

diff --git a/src/prometheus.c b/src/prometheus.c
index 0ebfed20b305000b65aa2bcccaa36bfe7c531086..561a443eb9f37e853fbcd54419b547a588f00a91 100644 (file)
--- a/src/prometheus.c
+++ b/src/prometheus.c
@@ -41,8 +41,13 @@ send_metrics(struct MHD_Connection *conn)
        pr_op_debug("Handling Prometheus request...");
 
        stats = stats_export();
+#if MHD_VERSION > 0x00096000
        res = MHD_create_response_from_buffer_with_free_callback(strlen(stats),
            stats, free);
+#else
+       res = MHD_create_response_from_buffer(strlen(stats), stats,
+           MHD_RESPMEM_MUST_FREE);
+#endif
 
        ret = MHD_add_response_header(res, "Content-Type", CONTENT_TYPE);
        if (ret != MHD_YES) {