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Dark GDK / char* get character

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AlexI
19
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Joined: 31st Dec 2004
Location: UK
Posted: 20th Mar 2009 23:56 Edited at: 20th Mar 2009 23:58
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Hi,
What the quickest way to get 1 character from char* string if you know the letter number? and return it as another char* ?

So I need:

char* test="random"

// get character 3

char* character="n"

I know if it was just a char I could just do charstring[3] but this doesnt work with char*. I know there's dbLeft and dbRight but I want to dont want to use this.

Thanks,
Alex


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dark coder
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Posted: 21st Mar 2009 00:16 Edited at: 21st Mar 2009 00:16
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Just make an array with a length of 2, copy the required char in, and zero the last index(the code below will do the latter two in reverse).

i.e.:



Alternatively you could use std::string:



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AlexI
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Posted: 21st Mar 2009 01:01 Edited at: 21st Mar 2009 01:01
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I am using char* not char. I need to get one letter from a char* of which I know its letter number.


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dark coder
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Posted: 21st Mar 2009 01:48
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And if you look, my code does exactly this.

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AlexI
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Posted: 21st Mar 2009 13:29
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I just used this code in the end:




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Lilith
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Posted: 24th Mar 2009 00:00
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If you're asking that the function return a char pointer to the character in an array when you have a char pointer to the first char and the offset then the char * you're looking for is simply the original char pointer plus the offset. That's the way pointer arithmetic works.

Lilith, Night Butterfly
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Benjamin
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Posted: 24th Mar 2009 00:10 Edited at: 24th Mar 2009 00:11
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I don't know why you would ever need such a function, these kind of operations are fundamental:



If you want to take a char and output it, dark coder already showed how to do this.

http://www.cplusplus.com/doc/tutorial/

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