Thread: Date validation

  1. #1
    Registered User
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    Dec 2020
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    Date validation

    Hi everyone!
    I've always been curious about programming so I'm taking a class as a hobby but seeing as I'm a total beginner I'm pretty lost.

    I have a tuple where some of the variables are a dates,:
    insert
    Code:
    typedef struct {
        tDate packingDate;
        tDate bestBeforeDate;
    } tProduct;
    
    And then in a different c file I've been given this
    insert
    Code:
    void dateInit(tDate *date, int day, int month, int year){
        date->day = day;
        date->month = month;
        date->year = year;
    }
    And a bool validateDate(tDate d) where it checks that the dates are correct. I need to validate the dates but I don't understand what's the use of dateInit. Also, if these functions are in a different file, how should I use them inside my function?
    Do you know any book of webpage for beginners that could be helpful? I'm seeing I really need it and I'd be really grateful! Thank you!

  2. #2
    and the hat of int overfl Salem's Avatar
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    Something like this
    Code:
    tProduct milk;
    dateInit(&milk.bestBeforeDate, 25, 12, 2020 );
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

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