From: sos@prospect.com.ru (Sergey Okhapkin) Subject: RE: Problem with getenv("HOME") 29 Oct 1997 05:45:30 -0800 Message-ID: <01BCE457.4F1BC940.cygnus.gnu-win32@gater.krystalbank.msk.ru> To: "'gnu-win32@cygnus.com'" , "'Wolfgang Stuerzlinger'" Cc: "'edel@fnal.fov'" 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".