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Diffstat (limited to 'third_party/libopenjpeg20/0029-avoid-division-by-0.patch')
-rw-r--r--third_party/libopenjpeg20/0029-avoid-division-by-0.patch119
1 files changed, 0 insertions, 119 deletions
diff --git a/third_party/libopenjpeg20/0029-avoid-division-by-0.patch b/third_party/libopenjpeg20/0029-avoid-division-by-0.patch
deleted file mode 100644
index 4ea2b7ce3c..0000000000
--- a/third_party/libopenjpeg20/0029-avoid-division-by-0.patch
+++ /dev/null
@@ -1,119 +0,0 @@
-diff --git a/third_party/libopenjpeg20/pi.c b/third_party/libopenjpeg20/pi.c
-index 9097e31a0..083674222 100644
---- a/third_party/libopenjpeg20/pi.c
-+++ b/third_party/libopenjpeg20/pi.c
-@@ -355,12 +355,20 @@ if (!pi->tp_on){
- }
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
-- trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
-- try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
-- trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
-- try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
-+ OPJ_INT32 x_divisor = comp->dx << levelno;
-+ OPJ_INT32 y_divisor = comp->dy << levelno;
-+ if (x_divisor == 0 || y_divisor == 0) {
-+ continue;
-+ }
-+ trx0 = opj_int_ceildiv(pi->tx0, x_divisor);
-+ try0 = opj_int_ceildiv(pi->ty0, y_divisor);
-+ trx1 = opj_int_ceildiv(pi->tx1, x_divisor);
-+ try1 = opj_int_ceildiv(pi->ty1, y_divisor);
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
-+ if (comp->dy << rpy == 0 || 1 << rpy == 0 || comp->dx << rpx == 0 || 1 << rpx == 0) {
-+ continue;
-+ }
- if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
- continue;
- }
-@@ -372,9 +380,9 @@ if (!pi->tp_on){
-
- if ((trx0==trx1)||(try0==try1)) continue;
-
-- prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
-+ prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, x_divisor), (OPJ_INT32)res->pdx)
- - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
-- prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-+ prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, y_divisor), (OPJ_INT32)res->pdy)
- - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
- pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
- if (pi->precno >= res->pw * res->ph) {
-@@ -439,12 +447,20 @@ static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi) {
- OPJ_INT32 prci, prcj;
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
-- trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
-- try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
-- trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
-- try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
-+ OPJ_INT32 x_divisor = comp->dx << levelno;
-+ OPJ_INT32 y_divisor = comp->dy << levelno;
-+ if (x_divisor == 0 || y_divisor == 0) {
-+ continue;
-+ }
-+ trx0 = opj_int_ceildiv(pi->tx0, x_divisor);
-+ try0 = opj_int_ceildiv(pi->ty0, y_divisor);
-+ trx1 = opj_int_ceildiv(pi->tx1, x_divisor);
-+ try1 = opj_int_ceildiv(pi->ty1, y_divisor);
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
-+ if (comp->dy << rpy == 0 || 1 << rpy == 0 || comp->dx << rpx == 0 || 1 << rpx == 0) {
-+ continue;
-+ }
- if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
- continue;
- }
-@@ -456,9 +472,9 @@ static OPJ_BOOL opj_pi_next_pcrl(opj_pi_iterator_t * pi) {
-
- if ((trx0==trx1)||(try0==try1)) continue;
-
-- prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
-+ prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, x_divisor), (OPJ_INT32)res->pdx)
- - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
-- prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-+ prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, y_divisor), (OPJ_INT32)res->pdy)
- - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
- pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
- if (pi->precno >= res->pw * res->ph) {
-@@ -521,26 +537,33 @@ static OPJ_BOOL opj_pi_next_cprl(opj_pi_iterator_t * pi) {
- OPJ_INT32 prci, prcj;
- res = &comp->resolutions[pi->resno];
- levelno = comp->numresolutions - 1 - pi->resno;
-- trx0 = opj_int_ceildiv(pi->tx0, (OPJ_INT32)(comp->dx << levelno));
-- try0 = opj_int_ceildiv(pi->ty0, (OPJ_INT32)(comp->dy << levelno));
-- trx1 = opj_int_ceildiv(pi->tx1, (OPJ_INT32)(comp->dx << levelno));
-- try1 = opj_int_ceildiv(pi->ty1, (OPJ_INT32)(comp->dy << levelno));
-+ OPJ_INT32 x_divisor = comp->dx << levelno;
-+ OPJ_INT32 y_divisor = comp->dy << levelno;
-+ if (x_divisor == 0 || y_divisor == 0) {
-+ continue;
-+ }
-+ trx0 = opj_int_ceildiv(pi->tx0, x_divisor);
-+ try0 = opj_int_ceildiv(pi->ty0, y_divisor);
-+ trx1 = opj_int_ceildiv(pi->tx1, x_divisor);
-+ try1 = opj_int_ceildiv(pi->ty1, y_divisor);
- rpx = res->pdx + levelno;
- rpy = res->pdy + levelno;
-+ if (comp->dy << rpy == 0 || 1 << rpy == 0 || comp->dx << rpx == 0 || 1 << rpx == 0) {
-+ continue;
-+ }
- if (!((pi->y % (OPJ_INT32)(comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
- continue;
- }
- if (!((pi->x % (OPJ_INT32)(comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
- continue;
- }
--
- if ((res->pw==0)||(res->ph==0)) continue;
-
- if ((trx0==trx1)||(try0==try1)) continue;
-
-- prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, (OPJ_INT32)(comp->dx << levelno)), (OPJ_INT32)res->pdx)
-+ prci = opj_int_floordivpow2(opj_int_ceildiv(pi->x, x_divisor), (OPJ_INT32)res->pdx)
- - opj_int_floordivpow2(trx0, (OPJ_INT32)res->pdx);
-- prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, (OPJ_INT32)(comp->dy << levelno)), (OPJ_INT32)res->pdy)
-+ prcj = opj_int_floordivpow2(opj_int_ceildiv(pi->y, y_divisor), (OPJ_INT32)res->pdy)
- - opj_int_floordivpow2(try0, (OPJ_INT32)res->pdy);
- pi->precno = (OPJ_UINT32)(prci + prcj * (OPJ_INT32)res->pw);
- if (pi->precno >= res->pw * res->ph) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-22 10:26:57 +0000