how to find the cause of c++ runtime error

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i am confused by a problem that may look stupid
my application run well at first
but sometime passed
it crashed with the c++ runtime error
i check almost everything in my code
got nothing

i want to know is there any tools that can help me find where caused the c++ runtime error

may be my question look so stupid

sorry for bother anyone
thank you advance

Posted 10-Nov-13 1:32am

chinahyin

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OriginalGriff 10-Nov-13 7:39am

What error? Was there a message?

pasztorpisti 10-Nov-13 8:33am

Run the program from a debugger. In that case the runtime error will give you the chance to convert the runtime error into a breakpoint. If the program crashes only in release builds then your job will be more difficult depending on the code generation/optimization settings you used to compile the program.

Sergey Alexandrovich Kryukov 10-Nov-13 12:08pm

As this is C++, this should be exception, not "run-time error". Learn exception handling, and yes, just use the debugger.
—SA

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KarstenK · Accepted Answer · 2013-11-10T22:33:00

It looks like some pointer mess. At first compile with Warning Level 4. Check all messages, avoid type cast stuff. Initialize all vars.

Run a debug build or release build with debug information and run it in the normal shell. Try to locate the error: in which parts of the code ist happening.

Look through your pointer code. Use ASSERT and others checks. Use Debugview. At last can can write a log to narrow the bug

Good luck ;-)