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C: Need to forbid a C program to run until certain date or time during the day?

+2 votes
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Let's say I have an exe-file (for example computer game) and need to forbid to run it until certain date or time during the day. Any 'manipulations' with file are allowed.

Could you, please, offer me a simple way of how to encode/decode such a file mostly in C or C++?

posted Dec 29, 2014 by anonymous

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Just inside main() function add check for time (you can use time()).
Based on your recuriment i.e forbid the program to run or not.
commented Dec 30, 2014 by Arshad Khan

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