27 lines
933 B
Diff
27 lines
933 B
Diff
From d98251478246c8ef2f405d76e4ef1678c14d7eda Mon Sep 17 00:00:00 2001
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From: Mark Adler <madler@alumni.caltech.edu>
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Date: Mon, 14 Aug 2023 17:01:54 -0700
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Subject: [PATCH] Fix bug when using gzflush() with a very small buffer.
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Reference:https://github.com/madler/zlib/commit/d98251478246c8ef2f405d76e4ef1678c14d7eda
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Conflict:NA
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---
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gzlib.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/gzlib.c b/gzlib.c
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index 2b446c448..29fc4486f 100644
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--- a/gzlib.c
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+++ b/gzlib.c
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@@ -308,8 +308,8 @@ int ZEXPORT gzbuffer(gzFile file, unsigned size) {
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/* check and set requested size */
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if ((size << 1) < size)
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return -1; /* need to be able to double it */
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- if (size < 2)
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- size = 2; /* need two bytes to check magic header */
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+ if (size < 8)
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+ size = 8; /* needed to behave well with flushing */
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state->want = size;
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return 0;
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}
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