Re: getlogin on Windows systems

[Bruno Haible]

> 2010-01-09  Bruno Haible  <address@hidden>
> 
>       Tests for module 'getlogin_r'.
>       * modules/getlogin_r-tests: New file.
>       * tests/test-getlogin_r.c: New file.

And a comment:

2010-01-09  Bruno Haible  <address@hidden>

        * lib/unistd.in.h (getlogin_r): Add comment.

*** lib/unistd.in.h.orig        Sat Jan  9 14:16:18 2010
--- lib/unistd.in.h     Sat Jan  9 13:51:50 2010
***************
*** 485,490 ****
--- 485,495 ----
     provided (this case is hopefully rare but is left open by the POSIX spec).
  
     See <http://www.opengroup.org/susv3xsh/getlogin.html>.
+ 
+    Most programs don't need to use this function, because the information is
+    available through environment variables:
+      ${LOGNAME-$USER}        on Unix platforms,
+      $USERNAME               on native Windows platforms.
   */
  # if address@hidden@
  extern int getlogin_r (char *name, size_t size) _GL_ARG_NONNULL ((1));