29 lines
783 B
Diff
29 lines
783 B
Diff
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From 46136e6440f78b4a21eaeaeabef2b4fcb482c158 Mon Sep 17 00:00:00 2001
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From: Andreas Gruenbacher <agruen@gnu.org>
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Date: Mon, 15 Jul 2019 19:10:02 +0200
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Subject: [PATCH 4/8] 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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Signed-off-by: Xibo.Wang <wangxb12@chinatelecom.cn>
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---
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src/pch.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/pch.c b/src/pch.c
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index aa0caf4..87e6f93 100644
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--- a/src/pch.c
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+++ b/src/pch.c
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@@ -1335,6 +1335,7 @@ 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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--
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1.8.3.1
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