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darenking

Exiting/ending a program in C++ - SOLVED

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Hello, I know I can end a program at any time in the main() function just by putting return 0; But what if I want to end a program from within another function or within a class method? In BlitzBasic you can just put End at any point in any function. Hmm... [Edited by - joebarnslondon on June 17, 2005 5:42:07 AM]

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Quote:
Original post by daviangel
http://www.cplusplus.com/ref/cstdlib/exit.html
you should have a good reason for using this!


Thanks for that. Is there any particular reason why it is not a good idea to use it?

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I want to add there is bad habbit using not-well-structured programs.and gotos and exits popping up all around the place fall in this category.
anyway,be sure to use atexit to free/delete all heap-allocated space

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Quote:
Original post by DevLiquidKnight
I don't think theres any cause for concern to not use it, unless you maybe allocated memory using the new operator and never deleted it.


The operating system should clean up that when you exit. More to the matter at hand, why don't you use exceptions for things like that? If you have a fatal error, through a fatal_error exception that's only caught in main which can then exit. This should also clean up all resources used along the way if you coded it properly (raii and such).

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