StackOverflow2013

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primarykey
Id
15156626
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0
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2013-03-01T11:27:29.133
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2013-03-01T11:58:09.533
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2013-03-01T11:58:09.533
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1629821
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1629821
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15155959
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2
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1
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text
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Instead of creating <code>temp</code> variable on the stack, I'd create it dynamically (on the heap), but not using raw <code>malloc</code> and <code>free</code> as showed in a previous answer, but using modern C++ and <code>std::vector</code>: <pre><code>#include <vector> std::vector<char> temp(1024*1024); </code></pre> This is exception safe, and you don't have to pay attention to release the allocated memory: <code>std::vector</code>'s destructor will do that automatically (also in case of exceptions thrown). Instead of <code>sizeof(temp)</code>, in your code you can use <code>temp.size()</code> (which will return the count of elements in the vector, and since this is a vector of <code>char</code>s, it will return just the total vector size in <code>char</code>s i.e. in bytes). You can still use <code>operator[]</code> for <code>std::vector</code>, as you do for raw C arrays. Note also that if you are building a DLL and the above function is exposed at the DLL interface, since this function has a C++ interface with a STL class (<code>std::string</code>) at the boundary, you must pay attention that both your DLL and your clients are built with dynamic linking to the same CRT, and with the same compiler and the same compiler settings (e.g. you can't mix a DLL built with VS2008/VC9 with a .EXE built with VS2010/VC10, or a release-build DLL with a debug-build EXE built with the same compiler).
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1. POC++ Dll string function crash
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1. PTAnswer
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1. USMr.C64
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1. USMr.C64
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