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40 lines
1.1 KiB
40 lines
1.1 KiB
From 946b29e62927eadfc4e87f27b8d30e5974b78c4c Mon Sep 17 00:00:00 2001
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From: Ben Kelly <ben@benjii.net>
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Date: Mon, 6 Feb 2017 13:08:25 +0200
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Subject: [PATCH] Bugfix erase() on derived __base_associative
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When calling erase() on a containers derived from __base_associative
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(e.g. multimap) and providing a pair of iterators a segfault will
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occur.
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Example code to reproduce:
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typedef std::multimap<int, int> testmap;
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testmap t;
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t.insert(std::pair<int, int>(1, 1));
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t.insert(std::pair<int, int>(2, 1));
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t.insert(std::pair<int, int>(3, 1));
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t.erase(t.begin(), t.end());
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Signed-off-by: Ben Kelly <ben@benjii.net>
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---
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include/associative_base | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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diff --git a/include/associative_base b/include/associative_base
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index 27ae0ef..be8b27f 100644
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--- a/include/associative_base
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+++ b/include/associative_base
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@@ -200,8 +200,7 @@ public:
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}
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void erase(iterator first, iterator last){
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while(first != last){
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- backing.erase(first.base_iterator());
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- ++first;
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+ first = backing.erase(first.base_iterator());
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}
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}
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--
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2.7.4
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