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C++ const help
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I'm not that used to C++ and hoping that someone can help me out with the const keyword. If I make a parameter to a function 'const' ,and then try to reference it, like:
to do something with it, the compiler gives the "invalid conversion from const char* to char*" when I try to pass in a parameter. The question is, is there some way to reference the 'param' while keeping it constant? or how can I fix the error message? Thanks in advance
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Join Date: Aug 2005
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Why not just use std::strings?
*Voted best profile in the world*
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you can do this:
char* ptr = const_cast<char*>(param;), but that defeats the purpose of using const in the first place. Casting out the const should be avoided whenever possible. Last edited by Ancient Dragon; Feb 12th, 2007 at 2:39 pm.
Don't PM me with questions -- you might get a nasty PM in response. If you have a question then post it in one of the forums.
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Either using :
But it would be interesting to know what you are trying to achieve here.....
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But it would be interesting to know what you are trying to achieve here.....
I don't accept change; I don't deserve to live.
Basically, I need to step through any array using pointers instead of the array indices. I changed my char* ptr to const char* ptr and it does work. Thanks.
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Originally Posted by blackjack 
Basically, I need to step through any array using pointers instead of the array indices. I changed my char* ptr to const char* ptr and it does work. Thanks.
const char* copy do you any good? Neither pointer can you modify, so copying it would be sort of pointless (sorry, bad pun). "Technological progress is like an axe in the hands of a pathological criminal."
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