strcmp - Printable Version

strcmp - Printable Version

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strcmp - iLearner - 18.11.2016

Ye i know this might be a foolish question, but i dont want any risks and thus will ask before doing stuff.

we use !strcmp(.... with the ! before strcmp to check if they are same, but how do i check if they arent same?? (dont tell me to do if(!strcmp(... ) else (...)). do i remove the ! ?

Re: strcmp - GoldenLion - 18.11.2016

Yes, you remove the ! because if you use ! it's basically the same thing as == 0 and if you remove it then it's the same thing as > 0.

Re: strcmp - iamjems - 18.11.2016

Код:

if(strcmp(string1,string2,true) == 0)

Код:

if(strcmp(string1,string2,true) != 0)

It's the same exact thing as GoldenLion has suggested you to do.

Re: strcmp - iLearner - 18.11.2016

Quote:

Header size: 16808 bytes
Code size: 981680 bytes
Data size: 17509204 bytes
Stack/heap size: 25600 bytes; estimated max. usage: unknown, due to recursion
Total requirements:18533292 bytes

Comments please.

Re: strcmp - GoldenLion - 18.11.2016

Quote:

Originally Posted by iLearner

Comments please.

This doesn't do anything as far as I know and only shows up if you compile with debug info. But I heard you can do something with pragma dynamic, I'm not sure. I don't know anything about that lol.

Re: strcmp - iamjems - 18.11.2016

Quote:

Originally Posted by iLearner

Comments please.

Normal thing when you use the -d3 debug setting.

Re: strcmp - Micko123 - 18.11.2016

Quote:

Originally Posted by Vince

If it showed up because you compiled with -d3 or -v, then no. You should only be worried if the estimated max exceeds the stack size.

Ask him

Re: strcmp - Konstantinos - 18.11.2016

Quote:

Originally Posted by GoldenLion

[..] and if you remove it then it's the same thing as > 0.

Not equal to 0, it can be both negative or positive number.

Quote:

Originally Posted by GoldenLion

[..] But I heard you can do something with pragma dynamic, I'm not sure.

Quote:

Originally Posted by iamjems

Normal thing when you use the -d3 debug setting.

Код:

Stack/heap size: 25600 bytes; estimated max. usage: unknown, due to recursion

By default, it is 16384 bytes so #pragma dynamic has been used. Recursion is another reason it'd pop out. You shouldn't worry unless you get a run time error but it is still advised to use smaller local strings.

Re: strcmp - GoldenLion - 18.11.2016

Quote:

Originally Posted by Konstantinos

Not equal to 0, it can be both negative or positive number.

Right, I totally forgot about that.

Re: strcmp - iLearner - 27.11.2016

I didnt mean why is it there... I meant, what do those numbers say? how much memroy / ram is it going to require.