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Unified Diff: third_party/libopenjpeg20/0002-packet-iterator.patch

Issue 1338973005: upgrade openjpeg to commit# cf352af (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 5 years, 2 months ago
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Index: third_party/libopenjpeg20/0002-packet-iterator.patch
diff --git a/third_party/libopenjpeg20/0002-packet-iterator.patch b/third_party/libopenjpeg20/0002-packet-iterator.patch
new file mode 100644
index 0000000000000000000000000000000000000000..ac755ed03daf649a43aa1f4011c921e52b4901d1
--- /dev/null
+++ b/third_party/libopenjpeg20/0002-packet-iterator.patch
@@ -0,0 +1,27 @@
+diff --git a/third_party/libopenjpeg20/pi.c b/third_party/libopenjpeg20/pi.c
+index 1697bcb..06f1e41 100644
+--- a/third_party/libopenjpeg20/pi.c
++++ b/third_party/libopenjpeg20/pi.c
+@@ -36,6 +36,7 @@
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
++#include <limits.h>
+ #include "opj_includes.h"
+
+ /** @defgroup PI PI - Implementation of a packet iterator */
+@@ -1236,7 +1237,13 @@ opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
+ l_current_pi = l_pi;
+
+ /* memory allocation for include */
+- l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
++ l_current_pi->include = 00;
++ if
++ (l_step_l && l_tcp->numlayers < UINT_MAX / l_step_l - 1)
++ {
++ l_current_pi->include = (OPJ_INT16*)opj_calloc((l_tcp->numlayers + 1) * l_step_l, sizeof(OPJ_INT16));
++ }
++
+ if
+ (!l_current_pi->include)
+ {

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