X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/d5c0d8c9374623620844d539d4810da63e9abca1..13c7874e0a41d696ecf55774d62ea7d11778414f:/src/src/transports/tf_maildir.c

diff --git a/src/src/transports/tf_maildir.c b/src/src/transports/tf_maildir.c
index 7be72896a..4caf0cdcf 100644
--- a/src/src/transports/tf_maildir.c
+++ b/src/src/transports/tf_maildir.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2014 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Functions in support of the use of maildirsize files for handling quotas in
@@ -211,10 +211,12 @@ int len;
 uschar buffer[256];
 sprintf(CS buffer, "%d 1\n", size);
 len = Ustrlen(buffer);
-(void)lseek(fd, 0, SEEK_END);
-len = write(fd, buffer, len);
-DEBUG(D_transport)
-  debug_printf("added '%.*s' to maildirsize file\n", len-1, buffer);
+if (lseek(fd, 0, SEEK_END) >= 0)
+  {
+  len = write(fd, buffer, len);
+  DEBUG(D_transport)
+    debug_printf("added '%.*s' to maildirsize file\n", len-1, buffer);
+  }
 }