Hi,
Tom proposed an interesting patch to GCJ:
Tom Tromey wrote:
> I'm checking this in on the trunk.
>
> The Eclipse ChangeLog plugin wants to know the user's real name, but,
> strangely, there is no Java system property for this. I don't see why
> we shouldn't provide this as a GNU extension. This is both useful and
> safe, as code can easily check for the property's existence at
> runtime.
>
> Tom
>
> Index: libjava/ChangeLog
> from Tom Tromey <tromey@xxxxxxxxxx>
>
> * gnu/classpath/natSystemProperties.cc (insertSystemProperties):
> Set gnu.gcj.user.realname.
>
> Index: gcc/java/ChangeLog
> from Tom Tromey <tromey@xxxxxxxxxx>
>
> * gcj.texi (libgcj Runtime Properties): Document
> gnu.gcj.user.realname.
>
> Index: gcc/java/gcj.texi
> ===================================================================
> --- gcc/java/gcj.texi (revision 114466)
> +++ gcc/java/gcj.texi (working copy)
> @@ -2785,6 +2785,12 @@
> used, or the program binary name in the case where an application is compiled
> to a native binary.
>
> +@item gnu.gcj.user.realname
> +The real name of the user, as taken from the password file. This may
> +not always hold only the user's name (as some sites put extra
> +information in this field). Also, this property is not available on
> +all platforms.
> +
> @item gnu.gcj.runtime.NameFinder.use_addr2line
> Whether an external process, @command{addr2line}, should be used to determine
> line number information when tracing the stack. Setting this to @code{false}
> Index: libjava/gnu/classpath/natSystemProperties.cc
> ===================================================================
> --- libjava/gnu/classpath/natSystemProperties.cc (revision 114466)
> +++ libjava/gnu/classpath/natSystemProperties.cc (working copy)
> @@ -1,7 +1,7 @@
> // natSystemProperties.cc - Implementation of native side of
> // SystemProperties class.
>
> -/* Copyright (C) 2005 Free Software Foundation
> +/* Copyright (C) 2005, 2006 Free Software Foundation
>
> This file is part of libgcj.
>
> @@ -250,6 +250,7 @@
> {
> SET ("user.name", pwd_entry->pw_name);
> SET ("user.home", pwd_entry->pw_dir);
> + SET ("gnu.gcj.user.realname", pwd_entry->pw_gecos);
> }
> #endif /* HAVE_PWD_H */
> #endif /* NO_GETUID */
>
>
I like the idea but would like to see this directed from GNU Classpath.
Instead of:
gnu.gcj.user.realname
it should be named:
gnu.classpath.user.realname
and put into our property documentation file as well as the VM integration
guide: "Optionally set this property to the real user name as it can be read
from the password file on GNU/Posix systems."
We can then go to the eclipse guys and ask them politely about supporting this
extension. :)
What do people think about it?
cya
Robert
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