don't send Transfer-Encoding: chunked for newer libcurl

util.c

@@ -85,7 +85,6 @@ json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req
 	json_t *val;
 	int rc;
 	struct data_buffer all_data = { };
-	struct upload_buffer upload_data;
 	json_error_t err = { };
 	struct curl_slist *headers = NULL;
 	char len_hdr[64];
@@ -102,22 +101,17 @@ json_t *json_rpc_call(const char *url, const char *userpass, const char *rpc_req
 	curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
 	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, all_data_cb);
 	curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
-	curl_easy_setopt(curl, CURLOPT_READFUNCTION, upload_data_cb);
-	curl_easy_setopt(curl, CURLOPT_READDATA, &upload_data);
 	if (userpass) {
 		curl_easy_setopt(curl, CURLOPT_USERPWD, userpass);
 		curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
 	}
 	curl_easy_setopt(curl, CURLOPT_POST, 1);
+	curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, strlen (rpc_req));
+    curl_easy_setopt(curl, CURLOPT_POSTFIELDS, rpc_req);
 
 	if (opt_protocol)
 		printf("JSON protocol request:\n%s\n", rpc_req);
 
-	upload_data.buf = rpc_req;
-	upload_data.len = strlen(rpc_req);
-	sprintf(len_hdr, "Content-Length: %lu",
-		(unsigned long) upload_data.len);
-
 	headers = curl_slist_append(headers,
 		"Content-type: application/json");
 	headers = curl_slist_append(headers, len_hdr);