Re: tolower - std namespace?

[Jeff Schwab]

sanjeev.sapkota@gmail.com wrote:
> Hi everyone,
>
> I've read multiple posts about how to get the 'tolower' function to
> work in gcc. From what I understand, the problem is that there are two
> versions - you must cast to specify which version you want to use.
>
>   transform(tempString.begin(),tempString.end(),tempString.begin(),
>             (int(*)(int))std::tolower);

Forget the cast and specify ::tolower.

> This works with gcc, but not with MS Visual Studio 2003. It only works
> with MS Visual Studio 2003 if you remove the std::.
...
> So, if the problem *is* because the std::tolower version takes 2
> arguments (and not one), this lead me to ask why it works in gcc? The
> only reason I can think of is maybe perhaps the gcc implementation of
> std::tolower provides some parameter defaults, which the MS version
> does not?

Why not test your hypothesis?  Try calling std::tolower with one argument.

> PS: I'm finding that writing portable code when using a STANDARD
> library is much harder than I would think it is *sigh*

What are you actually trying to do?