RE: [Dev-C++] C++ question

[Ioannis V. <no...@ho...>]

> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of Jerry van Dijk
> Sent: Tuesday, November 05, 2002 12:51 AM
> To: dev...@li...
> Subject: [Dev-C++] C++ question
> 
> 
> 
> While trying out g++ 3.2, I did the following:
> 
> -----------------------------------------------------------------
> #include <vector>
> #include <string>
> 
> int main(int argc, char* argv[])
> {
>    // std::vector<std::string> arguments(argv[0], argv[argc]);
>    std::vector<std::string> arguments;
>    for (int i=0; i<argc; i++)
>       arguments[i]=argv[i];
> }
> -----------------------------------------------------------------
> 
> which compiles Ok, but segfaults on execution. I did a lot of 
> headscratching
> but I cannot figure out why. arguments[i] evaluates to a 
> string type, argv[i]
> to effectively a const char*, and string has an const char* 
> constructor.



Because arguments is empty. You will either use push_back() or, you will
create initial objects using the constructor or resize().



> 
> Help would be apreciated.


Ioannis Vranos
 
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