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1 parent 11445ed commit 397f62cCopy full SHA for 397f62c
src/lib/openjp2/tcd.c
@@ -1182,8 +1182,9 @@ static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
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{
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OPJ_UINT32 l_data_size;
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- l_data_size = (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
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- (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
+ /* The +1 is needed for https://github.com/uclouvain/openjpeg/issues/835 */
+ l_data_size = 1 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
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+ (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
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if (l_data_size > p_code_block->data_size) {
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if (p_code_block->data) {
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