/*
* call-seq:
* File.owned?(file_name) => true or false
*
* Returns <code>true</code> if the named file exists and the
* effective used id of the calling process is the owner of
* the file.
*/
static VALUE
rb_file_owned_p(VALUE obj, VALUE fname)
{
struct stat st;
if (rb_stat(fname, &st) < 0) return Qfalse;
if (st.st_uid == geteuid()) return Qtrue;
return Qfalse;
}