+ uid_t uid;
+ struct passwd *passwd;
+ size_t size;
+
+ uid = getuid ();
+ errno = 0;
+ if ((passwd = getpwuid (uid)) == NULL)
+ {
+ if (errno == 0)
+ vfprintf_diag ("password file entry for uid %lu not found", (unsigned long)uid);
+ else
+ perror ("getpwuid");
+ exit (EXIT_FAILURE);
+ }
+ size = strlen (passwd->pw_dir) + 1 + strlen (CONF_FILE) + 1;
+ conf_file = xmalloc (size);
+ snprintf (conf_file, size, "%s/%s", passwd->pw_dir, CONF_FILE);
+ }
+ else
+ {
+ char *s;
+ if ((s = expand_string (conf_file)))
+ {
+ free (conf_file);
+ conf_file = s;
+ }
+ errno = 0;
+ if (access (conf_file, F_OK) == -1)
+ vfprintf_fail (formats[FMT_FILE], conf_file, strerror (errno));