X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Fsrc%2Ftransports%2Ftf_maildir.c;h=4caf0cdcfd916359f99a2baed1d4bd2e7a35988e;hb=a40828c57d328cf42a956f650b1fd2456bf7b21a;hp=7be72896a2bf9c1fca31b790473959476d48b60f;hpb=4c04137d73637107669e02b21f890387aaa2ef34;p=exim.git

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);
+  }
 }