shithub: sox

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ref: 04e064ce856a22e011dab8f41098966f2fe9700d
parent: 5ed1edc8dfe52f5d8f788330558ed2e6e8bee5f7
author: Guido Günther <agx@sigxcpu.org>
date: Wed Nov 15 13:36:58 EST 2017

vorbis: handle vorbis_analysis_headerout errors

This is related to

    https://github.com/xiph/vorbis/pull/34

but could also happen today with on other errors in the called function.

--- a/src/vorbis.c
+++ b/src/vorbis.c
@@ -270,8 +270,11 @@
       vc.comment_lengths[i] = strlen(text);
     }
   }
-  vorbis_analysis_headerout(    /* Build the packets */
-      &ve->vd, &vc, &header_main, &header_comments, &header_codebooks);
+  if (vorbis_analysis_headerout(    /* Build the packets */
+      &ve->vd, &vc, &header_main, &header_comments, &header_codebooks) < 0) {
+      ret = HEADER_ERROR;
+      goto cleanup;
+  }
 
   ogg_stream_packetin(&ve->os, &header_main);   /* And stream them out */
   ogg_stream_packetin(&ve->os, &header_comments);
@@ -280,6 +283,7 @@
   while (ogg_stream_flush(&ve->os, &ve->og) && ret == HEADER_OK)
     if (!oe_write_page(&ve->og, ft))
       ret = HEADER_ERROR;
+cleanup:
   for (i = 0; i < vc.comments; ++i)
     free(vc.user_comments[i]);
   free(vc.user_comments);