22 lines
640 B
Diff
22 lines
640 B
Diff
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commit 15b158db3ae11cb835f2eb8d2eb48e09d1a4af48
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Author: Andreas Gruenbacher <agruen@gnu.org>
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Date: Mon Jul 15 19:10:02 2019 +0200
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Avoid invalid memory access in context format diffs
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* src/pch.c (another_hunk): Avoid invalid memory access in context format
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diffs.
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diff --git a/src/pch.c b/src/pch.c
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index a500ad9..cb54e03 100644
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--- a/src/pch.c
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+++ b/src/pch.c
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@@ -1328,6 +1328,7 @@ another_hunk (enum diff difftype, bool rev)
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ptrn_prefix_context = context;
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ptrn_suffix_context = context;
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if (repl_beginning
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+ || p_end <= 0
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|| (p_end
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!= p_ptrn_lines + 1 + (p_Char[p_end - 1] == '\n')))
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{
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