Cosmetic changes in fsdk_define.h
[pdfium.git] / third_party / libopenjpeg20 / 0002-packet-iterator.patch
1 diff --git a/third_party/libopenjpeg20/pi.c b/third_party/libopenjpeg20/pi.c
2 index 1697bcb..06f1e41 100644
3 --- a/third_party/libopenjpeg20/pi.c
4 +++ b/third_party/libopenjpeg20/pi.c
5 @@ -36,6 +36,7 @@
6   * POSSIBILITY OF SUCH DAMAGE.
7   */
8  
9 +#include <limits.h>
10  #include "opj_includes.h"
11  
12  /** @defgroup PI PI - Implementation of a packet iterator */
13 @@ -1236,7 +1237,13 @@ opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
14         l_current_pi = l_pi;
15  
16         /* memory allocation for include */
17 -       l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
18 +       l_current_pi->include = 00;
19 +       if
20 +               (l_step_l && l_tcp->numlayers < UINT_MAX / l_step_l - 1)
21 +       {
22 +               l_current_pi->include = (OPJ_INT16*)opj_calloc((l_tcp->numlayers + 1) * l_step_l, sizeof(OPJ_INT16));
23 +       }
24 +
25         if
26                 (!l_current_pi->include)
27         {