+/* Expand a filename before the readline completion code passes it to stat(2).
+ The filename will already have had tilde expansion performed. */
+static int
+bash_filename_stat_hook (dirname)
+ char **dirname;
+{
+ char *local_dirname, *new_dirname, *t;
+ int should_expand_dirname, return_value;
+ WORD_LIST *wl;
+ struct stat sb;
+
+ local_dirname = *dirname;
+ should_expand_dirname = return_value = 0;
+ if (t = mbschr (local_dirname, '$'))
+ should_expand_dirname = '$';
+ else if (t = mbschr (local_dirname, '`')) /* XXX */
+ should_expand_dirname = '`';
+
+#if defined (HAVE_LSTAT)
+ if (should_expand_dirname && lstat (local_dirname, &sb) == 0)
+#else
+ if (should_expand_dirname && stat (local_dirname, &sb) == 0)
+#endif
+ should_expand_dirname = 0;
+
+ if (should_expand_dirname)
+ {
+ new_dirname = savestring (local_dirname);
+ wl = expand_prompt_string (new_dirname, 0, W_NOCOMSUB); /* does the right thing */
+ if (wl)
+ {
+ free (new_dirname);
+ new_dirname = string_list (wl);
+ /* Tell the completer we actually expanded something and change
+ *dirname only if we expanded to something non-null -- stat
+ behaves unpredictably when passed null or empty strings */
+ if (new_dirname && *new_dirname)
+ {
+ free (local_dirname); /* XXX */
+ local_dirname = *dirname = new_dirname;
+ return_value = STREQ (local_dirname, *dirname) == 0;
+ }
+ else
+ free (new_dirname);
+ dispose_words (wl);
+ }
+ else
+ free (new_dirname);
+ }
+
+ /* This is very similar to the code in bash_directory_completion_hook below,
+ but without spelling correction and not worrying about whether or not
+ we change relative pathnames. */
+ if (no_symbolic_links == 0 && (local_dirname[0] != '.' || local_dirname[1]))
+ {
+ char *temp1, *temp2;
+
+ t = get_working_directory ("symlink-hook");
+ temp1 = make_absolute (local_dirname, t);
+ free (t);
+ temp2 = sh_canonpath (temp1, PATH_CHECKDOTDOT|PATH_CHECKEXISTS);
+
+ /* If we can't canonicalize, bail. */
+ if (temp2 == 0)
+ {
+ free (temp1);
+ return return_value;
+ }
+
+ free (local_dirname);
+ *dirname = temp2;
+ free (temp1);
+ }
+
+ return (return_value);
+}
+