f56fc8f556
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31 lines
1.8 KiB
Diff
31 lines
1.8 KiB
Diff
diff -rupN --no-dereference openjpeg-2.3.1/src/lib/openjp2/tcd.c openjpeg-2.3.1-new/src/lib/openjp2/tcd.c
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--- openjpeg-2.3.1/src/lib/openjp2/tcd.c 2019-04-02 14:45:15.000000000 +0200
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+++ openjpeg-2.3.1-new/src/lib/openjp2/tcd.c 2020-12-17 16:25:44.754030498 +0100
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@@ -905,8 +905,24 @@ static INLINE OPJ_BOOL opj_tcd_init_tile
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/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
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l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx;
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l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy;
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- l_br_prc_x_end = opj_int_ceildivpow2(l_res->x1, (OPJ_INT32)l_pdx) << l_pdx;
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- l_br_prc_y_end = opj_int_ceildivpow2(l_res->y1, (OPJ_INT32)l_pdy) << l_pdy;
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+ {
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+ OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->x1,
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+ (OPJ_INT32)l_pdx)) << l_pdx;
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+ if (tmp > (OPJ_UINT32)INT_MAX) {
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+ opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
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+ return OPJ_FALSE;
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+ }
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+ l_br_prc_x_end = (OPJ_INT32)tmp;
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+ }
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+ {
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+ OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->y1,
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+ (OPJ_INT32)l_pdy)) << l_pdy;
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+ if (tmp > (OPJ_UINT32)INT_MAX) {
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+ opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
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+ return OPJ_FALSE;
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+ }
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+ l_br_prc_y_end = (OPJ_INT32)tmp;
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+ }
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/*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/
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l_res->pw = (l_res->x0 == l_res->x1) ? 0U : (OPJ_UINT32)((
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