X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/73545f2ccb49d1bbada4240d1344041ecdc6c0ff..f94e821c782952437d7fe5a2ae1e0b1db8a4f4ab:/checksum.c

diff --git a/checksum.c b/checksum.c
index 809b09f9..1fd1c55c 100644
--- a/checksum.c
+++ b/checksum.c
@@ -24,6 +24,7 @@ int csum_length=SUM_LENGTH;
 #define CSUM_CHUNK 64
 
 int checksum_seed = 0;
+extern int remote_version;
 
 /*
   a simple 32 bit checksum that can be upadted from either end
@@ -127,6 +128,10 @@ void file_checksum(char *fname,char *sum,off_t size)
 
 void checksum_init(void)
 {
+  if (remote_version >= 14)
+    csum_length = 2; /* adaptive */
+  else
+    csum_length = SUM_LENGTH;
 }
 
 
@@ -147,6 +152,12 @@ void sum_init(void)
 void sum_update(char *p,int len)
 {
   int i;
+  if (len + sumresidue < CSUM_CHUNK) {
+    bcopy(p,sumrbuf+sumresidue,len);
+    sumresidue += len;
+    return;
+  }
+
   if (sumresidue) {
     i = MIN(CSUM_CHUNK-sumresidue,len);
     bcopy(p,sumrbuf+sumresidue,i);
@@ -180,22 +191,3 @@ void sum_end(char *sum)
 }
 
 
-#ifdef CHECKSUM_MAIN
- int main(int argc,char *argv[])
-{
-  char sum[SUM_LENGTH];
-  int i,j;
-
-  checksum_init();
-
-  for (i=1;i<argc;i++) {
-    struct stat st;
-    if (stat(argv[i],&st) == 0) {
-      file_checksum(argv[i],sum,st.st_size);
-      for (j=0;j<SUM_LENGTH;j++)
-	printf("%02X",(unsigned char)sum[j]);
-      printf("  %s\n",argv[i]);
-    }
-  }
-}
-#endif