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Check if f is valid before dereference #19

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Check if f is valid before dereference #19

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5c7d018
Check if f is valid before dereference
ya1gaurav Oct 20, 2015
60698af
Update fileiter.hpp
ya1gaurav Oct 24, 2015
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4 changes: 2 additions & 2 deletions include/boost/regex/v4/fileiter.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -225,11 +225,11 @@ class BOOST_REGEX_DECL mapfile_iterator
mapfile_iterator() { node = 0; file = 0; offset = 0; }
mapfile_iterator(const mapfile* f, long arg_position)
{
BOOST_ASSERT(f);
file = f;
node = f->_first + arg_position / mapfile::buf_size;
offset = arg_position % mapfile::buf_size;
if(file)
file->lock(node);
file->lock(node);
}
mapfile_iterator(const mapfile_iterator& i)
{
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