package/jasper/0003-Added-a-check-in-the-JP2-encoder-to-ensure-that-the-.patch

   1 From 58ba0365d911b9f9dd68e9abf826682c0b4f2293 Mon Sep 17 00:00:00 2001
   2 From: Michael Adams <mdadams@ece.uvic.ca>
   3 Date: Mon, 6 Mar 2017 08:06:54 -0800
   4 Subject: [PATCH] Added a check in the JP2 encoder to ensure that the image to
   5  be coded has at least one component.
   6
   7 Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
   8 ---
   9  src/libjasper/jp2/jp2_enc.c | 5 +++++
  10  1 files changed, 1 insertions(+), 0 deletions(-)
  11
  12 diff --git a/src/libjasper/jp2/jp2_enc.c b/src/libjasper/jp2/jp2_enc.c
  13 index 9a5e106..af4d9a4 100644
  14 --- a/src/libjasper/jp2/jp2_enc.c
  15 +++ b/src/libjasper/jp2/jp2_enc.c
  16 @@ -115,6 +115,11 @@ int jp2_encode(jas_image_t *image, jas_stream_t *out, const char *optstr)
  17         iccstream = 0;
  18         iccprof = 0;
  19
  20 +       if (jas_image_numcmpts(image) < 1) {
  21 +               jas_eprintf("image must have at least one component\n");
  22 +               goto error;
  23 +       }
  24 +
  25         allcmptssame = 1;
  26         sgnd = jas_image_cmptsgnd(image, 0);
  27         prec = jas_image_cmptprec(image, 0);
  28 --
  29 2.11.0
  30