Fix #1171.

1 files changed, 2 insertions, 2 deletions

diff --git a/lib.c b/lib.c
index 9aa94831..a9dad9de 100644
--- a/lib.c
+++ b/lib.c
@@ -183,8 +183,8 @@ void mutt_unlink (const char *s)
       memset (buf, 0, sizeof (buf));
       while (sb.st_size > 0)
       {
-	fwrite (buf, 1, sizeof (buf), f);
-	sb.st_size -= sizeof (buf);
+	fwrite (buf, 1, MIN (sizeof (buf), sb.st_size), f);
+	sb.st_size -= MIN (sizeof (buf), sb.st_size);
       }
       fclose (f);
     }