X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/1f5c6343e6a3d55689073f60e71fd56cab42f89d..07b7c86c0672c38648fb715efbc0bfffd81ed182:/io.c

diff --git a/io.c b/io.c
index 9e2d3790..9e2a4757 100644
--- a/io.c
+++ b/io.c
@@ -361,8 +361,11 @@ static void writefd_unbuffered(int fd,char *buf,int len)
 		}
 
 		if (FD_ISSET(fd, &w_fds)) {
-			int n = len-total;
-			int ret = write(fd,buf+total,n?n:1);
+			int ret, n = len-total;
+			
+			if (n > PIPE_BUF) n = PIPE_BUF;
+
+			ret = write(fd,buf+total,n?n:1);
 
 			if (ret == -1 && errno == EINTR) {
 				continue;