X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/ff81e809f46293171a332a2faa320aca57277b4b..ea5164d18118edc0d980795bfa760e5384c8d286:/compat.c

diff --git a/compat.c b/compat.c
index 305c827d..02f5028f 100644
--- a/compat.c
+++ b/compat.c
@@ -17,7 +17,11 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
-/* compatability routines for older rsync protocol versions */
+/**
+ * @file compat.c
+ *
+ * Compatibility routines for older rsync protocol versions.
+ **/
 
 #include "rsync.h"
 
@@ -36,6 +40,9 @@ extern int checksum_seed;
 extern int remote_version;
 extern int verbose;
 
+extern int read_batch;  /* dw */
+extern int write_batch;  /* dw */
+
 void setup_protocol(int f_out,int f_in)
 {
 	if (remote_version == 0) {
@@ -54,9 +61,15 @@ void setup_protocol(int f_out,int f_in)
 		rprintf(FERROR,"(see the rsync man page for an explanation)\n");
 		exit_cleanup(RERR_PROTOCOL);
 	}	
-	
+	if (remote_version < OLD_PROTOCOL_VERSION)
+		rprintf(FINFO,"%s is very old version of rsync, upgrade recommended.\n",
+			am_server ? "Server" : "Client");
+
 	if (remote_version >= 12) {
 		if (am_server) {
+		    if (read_batch || write_batch) /* dw */
+			checksum_seed = 32761;
+		    else
 			checksum_seed = time(NULL);
 			write_int(f_out,checksum_seed);
 		} else {