projects
/
openjpeg.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
|
inline
| side by side (parent:
1e387de
)
opj_t1_encode_cblk(): avoid uint32 overflow when numbps = 0 (which is well defined...
author
Even Rouault
<even.rouault@spatialys.com>
Wed, 16 Aug 2017 16:29:59 +0000
(18:29 +0200)
committer
Even Rouault
<even.rouault@spatialys.com>
Wed, 16 Aug 2017 16:29:59 +0000
(18:29 +0200)
src/lib/openjp2/t1.c
patch
|
blob
|
history
diff --git
a/src/lib/openjp2/t1.c
b/src/lib/openjp2/t1.c
index bd1a880025fdff899c9ae9d6d44f040d2af59ea2..eb5d6e0e36e19d71b05fab97af4ad618d64367fa 100644
(file)
--- a/
src/lib/openjp2/t1.c
+++ b/
src/lib/openjp2/t1.c
@@
-2155,6
+2155,10
@@
static void opj_t1_encode_cblk(opj_t1_t *t1,
cblk->numbps = max ? (OPJ_UINT32)((opj_int_floorlog2(max) + 1) -
T1_NMSEDEC_FRACBITS) : 0;
cblk->numbps = max ? (OPJ_UINT32)((opj_int_floorlog2(max) + 1) -
T1_NMSEDEC_FRACBITS) : 0;
+ if (cblk->numbps == 0) {
+ cblk->totalpasses = 0;
+ return;
+ }
bpno = (OPJ_INT32)(cblk->numbps - 1);
passtype = 2;
bpno = (OPJ_INT32)(cblk->numbps - 1);
passtype = 2;