getlogin, getlogin_r: Document HP-UX 11.11 bugs.

[gnulib.git] / doc / posix-functions / getlogin.texi

diff --git a/doc/posix-functions/getlogin.texi b/doc/posix-functions/getlogin.texi
index dbee598..1f99b63 100644 (file)
--- a/doc/posix-functions/getlogin.texi
+++ b/doc/posix-functions/getlogin.texi
@@ -15,4 +15,8 @@ mingw.
 
 Portability problems not fixed by Gnulib:
 @itemize
+@item
+This function returns an empty string even when standard input is a tty
+on some platforms:
+HP-UX 11.11.
 @end itemize