libstdbuf: plug a very unlikely leak

* src/libstdbuf.c (apply_mode): Don't leak "buf" upon setvbuf failure.

diff --git a/src/libstdbuf.c b/src/libstdbuf.c
index 2ef848f86b3b2a7cf398ccfe09301e39c8ed63df..50eebb12c0370eef88d64746d0cef1fd30833aff 100644 (file)
--- a/src/libstdbuf.c
+++ b/src/libstdbuf.c
@@ -123,6 +123,7 @@ apply_mode (FILE *stream, const char *mode)
     {
       fprintf (stderr, _("could not set buffering of %s to mode %s\n"),
                fileno_to_name (fileno (stream)), mode);
+      free (buf);
     }
 }