Problem with getenv("HOME")

Sergey Okhapkin sos@prospect.com.ru
Wed Oct 29 02:35:00 GMT 1997


Wolfgang Stuerzlinger wrote:
> By default the environment variable HOME is not set in the GNU-Win32
> environment.
> When getenv is called with ("HOME") as argument the return value is a
> string "(null)" instead of a NULL pointer. Is this a "standard" behaviour 
> or a bug?
>
> Wolfgang Stuerzlinger
>
> P.S.: This breaks commonly used code sequences like:
> 	sprintf(newName,"%s/%s",getenv("HOME"),fileName);

It's a bug in your example. getenv() returns NULL pointer, but sprintf 
formats it as a "(null)" string. You have to check getenv's return value 
before passing it somwhere.

--
Sergey Okhapkin, http://www.lexa.ru/sos
Moscow, Russia
Looking for a job.


-
For help on using this list (especially unsubscribing), send a message to
"gnu-win32-request@cygnus.com" with one line of text: "help".



More information about the Cygwin mailing list