the signed/unsigned change seems to have caused a logic bug on some

systems (only those without large file support perhaps?)

this fixes it

diff --git a/match.c b/match.c
index adc298e..ee8e565 100644 (file)
--- a/match.c
+++ b/match.c
@@ -246,7 +246,8 @@ static void hash_search(int f,struct sum_struct *s,
                   match. The 3 reads are caused by the
                   running match, the checksum update and the
                   literal send. */
-               if (offset-last_match >= CHUNK_SIZE+s->n && 
+               if (offset > last_match &&
+                   offset-last_match >= CHUNK_SIZE+s->n && 
                    (end-offset > CHUNK_SIZE)) {
                        matched(f,s,buf,offset - s->n, -2);
                }