27 lines
737 B
Diff
27 lines
737 B
Diff
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From d33982e6a7e976e743e6d50a6b8b9ca93f31568a Mon Sep 17 00:00:00 2001
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From: root <root@localhost.localdomain>
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Date: Wed, 13 Apr 2022 17:08:31 +0800
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Subject: [PATCH] zlib-2
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---
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deflate.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/deflate.c b/deflate.c
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index 3db6d75..a4b0977 100644
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--- a/deflate.c
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+++ b/deflate.c
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@@ -604,7 +604,8 @@ int ZEXPORT deflatePrime (strm, bits, value)
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if (deflateStateCheck(strm)) return Z_STREAM_ERROR;
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s = strm->state;
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- if (s->sym_buf < s->pending_out + ((Buf_size + 7) >> 3))
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+ if (bits < 0 || bits > 16 ||
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+ s->sym_buf < s->pending_out + ((Buf_size + 7) >> 3))
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return Z_BUF_ERROR;
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do {
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put = Buf_size - s->bi_valid;
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--
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2.27.0
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