1 files changed, 13 insertions, 0 deletions
diff --git a/source3/libsmb/clientgen.c b/source3/libsmb/clientgen.c
index f274dc0b63..21ecab840a 100644
--- a/source3/libsmb/clientgen.c
+++ b/source3/libsmb/clientgen.c
@@ -501,6 +501,19 @@ uint32_t cli_state_capabilities(struct cli_state *cli)
 	return cli->capabilities;
 }
 
+uint32_t cli_state_available_size(struct cli_state *cli, uint32_t ofs)
+{
+	uint32_t ret = cli->max_xmit;
+
+	if (ofs >= ret) {
+		return 0;
+	}
+
+	ret -= ofs;
+
+	return ret;
+}
+
 struct cli_echo_state {
 	uint16_t vwv[1];
 	DATA_BLOB data;