From: Paul Brossier <piem@piem.org>
Date: Fri, 14 Dec 2018 13:59:14 +0000 (+0100)
Subject: [io] avoid crash when calling vorbis_close twice
X-Git-Url: https://git.aubio.org/?a=commitdiff_plain;h=7107ed99c0ef492a09bc9e56615c9b16b750399a;p=aubio.git

[io] avoid crash when calling vorbis_close twice
---

diff --git a/src/io/sink_vorbis.c b/src/io/sink_vorbis.c
index 3205ad09..0b955575 100644
--- a/src/io/sink_vorbis.c
+++ b/src/io/sink_vorbis.c
@@ -271,11 +271,12 @@ uint_t aubio_sink_vorbis_close (aubio_sink_vorbis_t *s)
 
   aubio_sink_vorbis_write(s);
 
-  if (fclose(s->fid)) {
+  if (s->fid && fclose(s->fid)) {
     AUBIO_ERR("sink_vorbis: Error closing file %s (%s)\n",
         s->path, strerror(errno));
     return AUBIO_FAIL;
   }
+  s->fid = NULL;
   return AUBIO_OK;
 }