From ebb0a6f61826aeaba0aeb1866df41dee8b7c7269 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Thu, 4 Jul 1996 10:16:56 +0000
Subject: [PATCH] *** empty log message ***

---
 .cvsignore | 75 +++++++++++++++++++-----------------------------------
 checksum.c |  8 +++---
 match.c    | 10 ++++----
 rsync.c    | 10 ++++----
 rsync.h    |  5 ++--
 5 files changed, 43 insertions(+), 65 deletions(-)

diff --git a/.cvsignore b/.cvsignore
index 1c8e87b6..c64ccd20 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -7,55 +7,7 @@ config.log
 config.status
 dist.tar.gz
 rsync
-rsync-0.1
-rsync-0.1
-rsync-0.1
-rsync-0.1.tar.gz
-rsync-0.2
-rsync-0.2
-rsync-0.2.tar.gz
-rsync-0.3
-rsync-0.3
-rsync-0.3.tar.gz
-rsync-0.4
-rsync-0.4
-rsync-0.4.tar.gz
-rsync-0.5
-rsync-0.5
-rsync-0.5
-rsync-0.5
-rsync-0.5
-rsync-0.5
-rsync-0.5
-rsync-0.5
-rsync-0.5.tar.gz
-rsync-0.6
-rsync-0.7
-rsync-0.7
-rsync-0.8
-rsync-0.8
-rsync-0.8
-rsync-0.8
-rsync-0.8.tar.gz
-rsync-0.9
-rsync-0.9.tar.gz
-rsync-1.0
-rsync-1.1
-rsync-1.1.tar.gz
-rsync-1.2
-rsync-1.2.tar.gz
-rsync-1.3
-rsync-1.4
-rsync-1.4.1
-rsync-1.4.1.tar.gz
-rsync-1.4.2
-rsync-1.4.2.tar.gz
-rsync-1.4.3
-rsync-1.4.4
-rsync-1.4.5
-rsync-1.4.5.tar.gz
-rsync-1.4.tar.gz
-rsync-ERSION
+rsync-*
 rsync.aux
 rsync.dvi
 rsync.log
@@ -64,3 +16,28 @@ tech_report.dvi
 tech_report.log
 tech_report.ps
 test
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/checksum.c b/checksum.c
index 1fd1c55c..6be1993e 100644
--- a/checksum.c
+++ b/checksum.c
@@ -19,7 +19,7 @@
 
 #include "rsync.h"
 
-int csum_length=SUM_LENGTH;
+int csum_length=2; /* initial value */
 
 #define CSUM_CHUNK 64
 
@@ -37,11 +37,11 @@ uint32 get_checksum1(char *buf,int len)
 
     s1 = s2 = 0;
     for (i = 0; i < (len-4); i+=4) {
-	s2 += 4*(s1 + buf[i]) + 3*buf[i+1] + 2*buf[i+2] + buf[i+3];
-	s1 += (buf[i+0] + buf[i+1] + buf[i+2] + buf[i+3]); 
+	s2 += 4*(s1 + buf[i]) + 3*buf[i+1] + 2*buf[i+2] + buf[i+3] + 10;
+	s1 += (buf[i+0] + buf[i+1] + buf[i+2] + buf[i+3] + 4); 
     }
     for (; i < len; i++) {
-	s1 += buf[i]; s2 += s1;
+	s1 += (buf[i]+1); s2 += s1;
     }
     return (s1 & 0xffff) + (s2 << 16);
 }
diff --git a/match.c b/match.c
index 16df8714..e15f4401 100644
--- a/match.c
+++ b/match.c
@@ -221,12 +221,12 @@ static void hash_search(int f,struct sum_struct *s,
 
     /* Trim off the first byte from the checksum */
     map = window_ptr(buf,offset,k+1);
-    s1 -= map[0];
-    s2 -= k * map[0];
+    s1 -= map[0] + 1;
+    s2 -= k * (map[0]+1);
 
     /* Add on the next byte (if there is one) to the checksum */
     if (k < (len-offset)) {
-      s1 += map[k];
+      s1 += (map[k]+1);
       s2 += s1;
     } else {
       --k;
@@ -241,7 +241,7 @@ static void hash_search(int f,struct sum_struct *s,
 
 void match_sums(int f,struct sum_struct *s,struct map_struct *buf,off_t len)
 {
-  char file_sum[SUM_LENGTH];
+  char file_sum[MD4_SUM_LENGTH];
 
   last_match = 0;
   false_alarms = 0;
@@ -270,7 +270,7 @@ void match_sums(int f,struct sum_struct *s,struct map_struct *buf,off_t len)
   if (remote_version >= 14) {
     if (verbose > 2)
       fprintf(FERROR,"sending file_sum\n");
-    write_buf(f,file_sum,SUM_LENGTH);
+    write_buf(f,file_sum,MD4_SUM_LENGTH);
   }
 
   if (targets) {
diff --git a/rsync.c b/rsync.c
index 18412488..79e0b748 100644
--- a/rsync.c
+++ b/rsync.c
@@ -257,7 +257,7 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
   struct stat st;
   struct map_struct *buf;
   struct sum_struct *s;
-  char sum[SUM_LENGTH];
+  char sum[MD4_SUM_LENGTH];
   int statret;
   struct file_struct *file = &flist->files[i];
 
@@ -408,8 +408,8 @@ static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname)
   off_t offset = 0;
   off_t offset2;
   char *data;
-  static char file_sum1[SUM_LENGTH];
-  static char file_sum2[SUM_LENGTH];
+  static char file_sum1[MD4_SUM_LENGTH];
+  static char file_sum2[MD4_SUM_LENGTH];
   char *map=NULL;
 
   count = read_int(f_in);
@@ -462,10 +462,10 @@ static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname)
   sum_end(file_sum1);
 
   if (remote_version >= 14) {
-    read_buf(f_in,file_sum2,SUM_LENGTH);
+    read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
     if (verbose > 2)
       fprintf(FERROR,"got file_sum\n");
-    if (memcmp(file_sum1,file_sum2,SUM_LENGTH) != 0)
+    if (memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0)
       return 0;
   }
   return 1;
diff --git a/rsync.h b/rsync.h
index 9bd631a1..9301062a 100644
--- a/rsync.h
+++ b/rsync.h
@@ -170,6 +170,7 @@
 #endif
 
 /* the length of the md4 checksum */
+#define MD4_SUM_LENGTH 16
 #define SUM_LENGTH 16
 
 #ifndef MAXPATHLEN
@@ -188,7 +189,7 @@ struct file_struct {
   char *name;
   char *dir;
   char *link;
-  char sum[SUM_LENGTH];
+  char sum[MD4_SUM_LENGTH];
 };
 
 struct file_list {
@@ -202,7 +203,7 @@ 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 {
-- 
2.34.1