What happens in this case?

Question

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what will happen when the length of the string literal is less than the length the specified in format specifier as shown

What I have tried:

#include<stdio.h>
int main()
{
printf("%.5s","abc");
return 0;
}

Posted 23-Apr-21 18:41pm

_-_-_-me

Updated 23-Apr-21 19:04pm

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OriginalGriff · Accepted Answer · 2021-04-23T19:04:00

Solution 1

The width specifier after teh decimal point is a maximum number of characters to print, not a minimum.

It will print the string up to the length of the string or the width specifier, whichever is the shortest.
SInce your string has 3 characters before the null terminator, and the width is specified as 5, it will print the whole string.

Posted 23-Apr-21 19:04pm

OriginalGriff

Comments

Dave Kreskowiak 24-Apr-21 1:31am

Why do I get the feeling this guy is posting his homework questions?

OriginalGriff 24-Apr-21 1:58am

I know what you mean, it is possible - but they are good questions: kudos either to the OP or his teacher! :D

Dave Kreskowiak 24-Apr-21 2:01am

I'll 'em that much. They are good questions, getting into the details of how printf works. I prefer questions like this as they convey a need for understanding how the functions work instead of just saying "do it like this" without knowing why or what it means.

_-_-_-me 25-Apr-21 1:24am

These are not homework questions.

_-_-_-me 25-Apr-21 1:26am

Thank you.

OriginalGriff 25-Apr-21 2:07am

You're welcome!