Subject: RE: Problem with getenv("HOME")
From: [email-masked] (Sergey Okhapkin)

29 Oct 1997 05:45:30 -0800
Message-ID: <[email-masked]>
To: "[email-masked]'" <[email-masked]>,
        "'Wolfgang Stuerzlinger'" <[email-masked]>
Cc: "[email-masked]'" <[email-masked]>

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.

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