Jan Engelhardt
36ba017e87
Fix hw compression on z15 bsc#1176201 OBS-URL: https://build.opensuse.org/request/show/847067 OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/zlib?expand=0&rev=69
48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
From 4a587d07b3774c603f1a33ab1648419064951988 Mon Sep 17 00:00:00 2001
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From: Ilya Leoshkevich <iii@linux.ibm.com>
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Date: Mon, 28 Sep 2020 19:32:44 +0200
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Subject: [PATCH] wip
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---
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contrib/s390/dfltcc.h | 4 ++++
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inflate.c | 2 ++
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2 files changed, 6 insertions(+)
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diff --git a/contrib/s390/dfltcc.h b/contrib/s390/dfltcc.h
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index e4447dd..bf41272 100644
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--- a/contrib/s390/dfltcc.h
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+++ b/contrib/s390/dfltcc.h
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@@ -51,5 +51,9 @@ int ZLIB_INTERNAL dfltcc_inflate_disable OF((z_streamp strm));
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do { \
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if (dfltcc_was_inflate_used((strm))) return -(1L << 16); \
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} while (0)
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+#define INFLATE_SYNC_POINT_HOOK(strm) \
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+ do { \
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+ if (dfltcc_was_inflate_used((strm))) return Z_STREAM_ERROR; \
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+ } while (0)
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#endif
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diff --git a/inflate.c b/inflate.c
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index 2b7d564..6f19a87 100644
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--- a/inflate.c
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+++ b/inflate.c
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@@ -100,6 +100,7 @@
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#define INFLATE_NEED_CHECKSUM(strm) 1
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#define INFLATE_NEED_UPDATEWINDOW(strm) 1
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#define INFLATE_MARK_HOOK(strm) do {} while (0)
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+#define INFLATE_SYNC_POINT_HOOK(strm) do {} while (0)
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#endif
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#ifdef MAKEFIXED
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@@ -1491,6 +1492,7 @@ z_streamp strm;
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struct inflate_state FAR *state;
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if (inflateStateCheck(strm)) return Z_STREAM_ERROR;
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+ INFLATE_SYNC_POINT_HOOK(strm);
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state = (struct inflate_state FAR *)strm->state;
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return state->mode == STORED && state->bits == 0;
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}
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--
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2.25.4
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