Getting a path to SUGAR_ACTVITY_ROOT

[pgf at laptop.org]

john -- scott's not in the office right now, so i'll take a stab
at this.  your code snippet looks fine, except for the typo in
"SUGAR_ACTVITY_ROOT".  i hope that's all it is.

paul

john wrote:
 > Hi, Scott.
 > 
 > I wonder if you could give me a bit of guidance. The Scratch file  
 > dialogs have shortcuts for common folders on Windows and Mac, such as  
 > the desktop and the user's documents folder. Most of these shortcuts  
 > make no sense on the XO, but I thought that perhaps the documents  
 > shortcut could go to $SUGAR_ACTVITY_ROOT/data. But my first attempt to  
 > lookup that environment variable did not seem to work (although I have  
 > not tried it in the context of your new wrapper; maybe it does work  
 > now).
 > 
 > Anyhow, the code I wrote to do this is:
 > 
 > 	char *s = NULL;
 > 
 > 	path[0] = 0;  // a zero-length path indicates failure
 > 
 > 	s = getenv("SUGAR_ACTVITY_ROOT");
 > 	if (s != NULL) {
 > 		strncat(path, s, maxPath);
 > 		strncat(path, "/data", maxPath);
 > 	}
 > 
 > where path is a C string passed in by the client that is supposed to  
 > get filled in with the path to documents folder.
 > 
 > I'm not used to programming in Unix. Does this look okay to you?
 > 
 > 	-- John
 > 
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=---------------------
 paul fox, pgf at laptop.org