From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 24 Jan 2000 11:41:08 +0000 (+0000)
Subject: fixed a rare SEGV that can happen when a file disappears (due to
X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/commitdiff_plain/c55f70218c2f5f292bdef2bb6ecb16408eb35f44

fixed a rare SEGV that can happen when a file disappears (due to
another program) during an update
---

diff --git a/receiver.c b/receiver.c
index 6647c68a..bf0877b3 100644
--- a/receiver.c
+++ b/receiver.c
@@ -254,10 +254,12 @@ static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname,
 			rprintf(FINFO,"chunk[%d] of size %d at %.0f offset=%.0f\n",
 				i,len,(double)offset2,(double)offset);
 		
-		map = map_ptr(buf,offset2,len);
+		if (buf) {
+			map = map_ptr(buf,offset2,len);
 		
-		see_token(map, len);
-		sum_update(map,len);
+			see_token(map, len);
+			sum_update(map,len);
+		}
 		
 		if (fd != -1 && write_file(fd,map,len) != len) {
 			rprintf(FERROR,"write failed on %s : %s\n",