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30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
From 3eda39fac98550990abb9f83d986619d173f9605 Mon Sep 17 00:00:00 2001
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From: Mark Adler <madler@alumni.caltech.edu>
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Date: Fri, 31 Jan 2020 22:05:56 -0800
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Subject: [PATCH] Fix bug in undefer_input() that misplaced the input state.
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Fix bug in undefer_input() that misplaced the input state.
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---
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fileio.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/fileio.c b/fileio.c
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index c10ff63..6290824 100644
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--- a/fileio.c
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+++ b/fileio.c
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@@ -532,8 +532,10 @@ void undefer_input(__G)
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* This condition was checked when G.incnt_leftover was set > 0 in
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* defer_leftover_input(), and it is NOT allowed to touch G.csize
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* before calling undefer_input() when (G.incnt_leftover > 0)
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- * (single exception: see read_byte()'s "G.csize <= 0" handling) !!
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+ * (single exception: see readbyte()'s "G.csize <= 0" handling) !!
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*/
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+ if (G.csize < 0L)
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+ G.csize = 0L;
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G.incnt = G.incnt_leftover + (int)G.csize;
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G.inptr = G.inptr_leftover - (int)G.csize;
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G.incnt_leftover = 0;
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--
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2.25.0
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