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Add check before copying data.

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Fixes #7032.

[SVN r79333]
This commit is contained in:
John Maddock
2012-07-07 12:14:09 +00:00
parent 50795bcfec
commit 8d48db25cc
1 changed files with 2 additions and 1 deletions
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src/regex_raw_buffer.cpp
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@ -46,6 +46,7 @@ void BOOST_REGEX_CALL raw_storage::resize(size_type n)
// allocate and copy data: // allocate and copy data:
register pointer ptr = static_cast<pointer>(::operator new(newsize)); register pointer ptr = static_cast<pointer>(::operator new(newsize));
BOOST_REGEX_NOEH_ASSERT(ptr) BOOST_REGEX_NOEH_ASSERT(ptr)
if(start)
std::memcpy(ptr, start, datasize); std::memcpy(ptr, start, datasize);
// get rid of old buffer: // get rid of old buffer: