[GRASS-dev] etc file finder, take 2

[Glynn Clements]

William Kyngesburye wrote:

> > The main one is that I'd suggest using G_tokenize() to do most of the
> > work for you.
> 
> (more C details that escape me...)
> 
> My little (basic) C book says a program shouldn't alter an env var  
> returned by getenv, and G_tokenize() says it changes the token to  
> null to terminate token strings (which is what I originally did  
> myself before I read that bit about getenv).  Is that what that char  
> ** or const char * takes care of somehow, do either make a copy of  
> the env var?  Or is it part of the tokenize initialization?

G_tokenize() makes a copy of the string.

-- 
Glynn Clements <glynn at gclements.plus.com>