X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/c6e7fcb42bc87660ece8d4dc9a1b10bd1fb7b0c5..1b01b295c960fd6b9fb0c3fdb961010c22b2c898:/rsync.h

diff --git a/rsync.h b/rsync.h
index 5fcd40c7..ce360185 100644
--- a/rsync.h
+++ b/rsync.h
@@ -23,6 +23,11 @@
 #define RSYNC_NAME "rsync"
 #define BACKUP_SUFFIX "~"
 
+/* a non-zero CHAR_OFFSET makes the rolling sum stronger, but is
+   imcompatible with older versions :-( */
+#define CHAR_OFFSET 0
+
+
 #define FILE_VALID 1
 #define SAME_MODE (1<<1)
 #define SAME_RDEV (1<<2)
@@ -34,7 +39,7 @@
 #define SAME_TIME (1<<7)
 
 /* update this if you make incompatible changes */
-#define PROTOCOL_VERSION 13
+#define PROTOCOL_VERSION 14
 #define MIN_PROTOCOL_VERSION 10
 #define MAX_PROTOCOL_VERSION 20
 
@@ -170,6 +175,7 @@
 #endif
 
 /* the length of the md4 checksum */
+#define MD4_SUM_LENGTH 16
 #define SUM_LENGTH 16
 
 #ifndef MAXPATHLEN
@@ -188,7 +194,7 @@ struct file_struct {
   char *name;
   char *dir;
   char *link;
-  char sum[SUM_LENGTH];
+  char sum[MD4_SUM_LENGTH];
 };
 
 struct file_list {
@@ -202,7 +208,7 @@ struct sum_buf {
   int len;			/* length of chunk of file */
   int i;			/* index of this chunk */
   uint32 sum1;	                /* simple checksum */
-  char sum2[SUM_LENGTH];	/* md4 checksum  */
+  char sum2[SUM_LENGTH];	/* checksum  */
 };
 
 struct sum_struct {