From: Paul Brossier <piem@piem.org>
Date: Sun, 26 Feb 2017 22:38:49 +0000 (+0100)
Subject: src/io/source_wavread.c: avoid seeking in closed file
X-Git-Tag: 0.4.5~90
X-Git-Url: https://git.aubio.org/?a=commitdiff_plain;h=cc469dd6c9b7fb66eabb4cde0929270bb54a4f7d;p=aubio.git

src/io/source_wavread.c: avoid seeking in closed file
---

diff --git a/src/io/source_wavread.c b/src/io/source_wavread.c
index 2b7f8116..344f9a83 100644
--- a/src/io/source_wavread.c
+++ b/src/io/source_wavread.c
@@ -407,6 +407,10 @@ uint_t aubio_source_wavread_get_channels(aubio_source_wavread_t * s) {
 
 uint_t aubio_source_wavread_seek (aubio_source_wavread_t * s, uint_t pos) {
   uint_t ret = 0;
+  if (s->fid == NULL) {
+    AUBIO_ERR("source_wavread: could not seek %s (file not opened?)\n", s->path, pos);
+    return AUBIO_FAIL;
+  }
   if ((sint_t)pos < 0) {
     AUBIO_ERR("source_wavread: could not seek %s at %d (seeking position should be >= 0)\n", s->path, pos);
     return AUBIO_FAIL;