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Fix select_number crashing on empty buffers

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This commit is contained in:
Maxime Coste 2015-04-20 13:55:42 +01:00
parent ddd70fd09a
commit d2e8bd2431
1 changed files with 4 additions and 2 deletions
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6
src/selectors.cc
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@ -229,13 +229,15 @@ Selection select_number(const Buffer& buffer, const Selection& selection, Object
}; };
BufferIterator first = buffer.iterator_at(selection.cursor()); BufferIterator first = buffer.iterator_at(selection.cursor());
BufferIterator last = first;
if (flags & ObjectFlags::ToBegin) if (flags & ObjectFlags::ToBegin)
{ {
skip_while_reverse(first, buffer.begin(), is_number); skip_while_reverse(first, buffer.begin(), is_number);
if (not is_number(*first) and *first != '-') if (not is_number(*first) and *first != '-' and
first+1 != buffer.end())
++first; ++first;
} }
BufferIterator last = buffer.iterator_at(selection.cursor());
if (flags & ObjectFlags::ToEnd) if (flags & ObjectFlags::ToEnd)
{ {
skip_while(last, buffer.end(), is_number); skip_while(last, buffer.end(), is_number);