/* File IO for GNU Emacs.
- Copyright (C) 1985,86,87,88,93,94,95,96,97,98,99,2000,01,03,2004
- Free Software Foundation, Inc.
+ Copyright (C) 1985, 1986, 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
This file is part of GNU Emacs.
whose I/O is done with a special handler. */
Lisp_Object Vfile_name_handler_alist;
-/* Format for auto-save files */
-Lisp_Object Vauto_save_file_format;
-
/* Lisp functions for translating file formats */
Lisp_Object Qformat_decode, Qformat_annotate_function;
extern int minibuffer_auto_raise;
+extern int history_delete_duplicates;
+
/* These variables describe handlers that have "already" had a chance
to handle the current operation.
}
\f
DEFUN ("file-modes", Ffile_modes, Sfile_modes, 1, 1, 0,
- doc: /* Return mode bits of file named FILENAME, as an integer. */)
+ doc: /* Return mode bits of file named FILENAME, as an integer.
+Return nil, if file does not exist or is not accessible. */)
(filename)
Lisp_Object filename;
{
if (how_much < 0)
{
xfree (conversion_buffer);
-
+ coding_free_composition_data (&coding);
if (how_much == -1)
error ("IO error reading %s: %s",
SDATA (orig_filename), emacs_strerror (errno));
if (bufpos == inserted)
{
xfree (conversion_buffer);
+ coding_free_composition_data (&coding);
emacs_close (fd);
specpdl_ptr--;
/* Truncate the buffer to the size of the file. */
/* Replace the chars that we need to replace,
and update INSERTED to equal the number of bytes
we are taking from the file. */
- inserted -= (Z_BYTE - same_at_end) + (same_at_start - BEG_BYTE);
+ inserted -= (ZV_BYTE - same_at_end) + (same_at_start - BEGV_BYTE);
if (same_at_end != same_at_start)
{
}
/* Insert from the file at the proper position. */
SET_PT_BOTH (temp, same_at_start);
- insert_1 (conversion_buffer + same_at_start - BEG_BYTE, inserted,
+ insert_1 (conversion_buffer + same_at_start - BEGV_BYTE, inserted,
0, 0, 0);
if (coding.cmp_data && coding.cmp_data->used)
coding_restore_composition (&coding, Fcurrent_buffer ());
}
/* Now do the same for annotation functions implied by the file-format */
- if (auto_saving && (!EQ (Vauto_save_file_format, Qt)))
- p = Vauto_save_file_format;
+ if (auto_saving && (!EQ (current_buffer->auto_save_file_format, Qt)))
+ p = current_buffer->auto_save_file_format;
else
p = current_buffer->file_format;
for (i = 0; CONSP (p); p = XCDR (p), ++i)
auto_save_1 ()
{
struct stat st;
+ Lisp_Object modes;
+
+ auto_save_mode_bits = 0666;
/* Get visited file's mode to become the auto save file's mode. */
- if (! NILP (current_buffer->filename)
- && stat (SDATA (current_buffer->filename), &st) >= 0)
- /* But make sure we can overwrite it later! */
- auto_save_mode_bits = st.st_mode | 0600;
- else
- auto_save_mode_bits = 0666;
+ if (! NILP (current_buffer->filename))
+ {
+ if (stat (SDATA (current_buffer->filename), &st) >= 0)
+ /* But make sure we can overwrite it later! */
+ auto_save_mode_bits = st.st_mode | 0600;
+ else if ((modes = Ffile_modes (current_buffer->filename),
+ INTEGERP (modes)))
+ /* Remote files don't cooperate with stat. */
+ auto_save_mode_bits = XINT (modes) | 0600;
+ }
return
Fwrite_region (Qnil, Qnil,
return Ffile_exists_p (string);
}
+DEFUN ("next-read-file-uses-dialog-p", Fnext_read_file_uses_dialog_p,
+ Snext_read_file_uses_dialog_p, 0, 0, 0,
+ doc: /* Return t if a call to `read-file-name' will use a dialog.
+The return value is only relevant for a call to `read-file-name' that happens
+before any other event (mouse or keypress) is handeled. */)
+ ()
+{
+#if defined (USE_MOTIF) || defined (HAVE_NTGUI) || defined (USE_GTK) || defined (HAVE_CARBON)
+ if ((NILP (last_nonmenu_event) || CONSP (last_nonmenu_event))
+ && use_dialog_box
+ && use_file_dialog
+ && have_menus_p ())
+ return Qt;
+#endif
+ return Qnil;
+}
+
DEFUN ("read-file-name", Fread_file_name, Sread_file_name, 1, 6, 0,
doc: /* Read file name, prompting with PROMPT and completing in directory DIR.
Value is not expanded---you must call `expand-file-name' yourself.
GCPRO2 (insdef, default_filename);
-#if defined (USE_MOTIF) || defined (HAVE_NTGUI) || defined (USE_GTK)
- if ((NILP (last_nonmenu_event) || CONSP (last_nonmenu_event))
- && use_dialog_box
- && use_file_dialog
- && have_menus_p ())
+#if defined (USE_MOTIF) || defined (HAVE_NTGUI) || defined (USE_GTK) || defined (HAVE_CARBON)
+ if (! NILP (Fnext_read_file_uses_dialog_p ()))
{
/* If DIR contains a file name, split it. */
Lisp_Object file;
}
if (!NILP(default_filename))
default_filename = Fexpand_file_name (default_filename, dir);
- val = Fx_file_dialog (prompt, dir, default_filename, mustmatch);
+ val = Fx_file_dialog (prompt, dir, default_filename, mustmatch,
+ EQ (predicate, Qfile_directory_p) ? Qt : Qnil);
add_to_history = 1;
}
else
if (replace_in_history)
/* Replace what Fcompleting_read added to the history
with what we will actually return. */
- XSETCAR (Fsymbol_value (Qfile_name_history), double_dollars (val));
+ {
+ Lisp_Object val1 = double_dollars (val);
+ tem = Fsymbol_value (Qfile_name_history);
+ if (history_delete_duplicates)
+ XSETCDR (tem, Fdelete (val1, XCDR(tem)));
+ XSETCAR (tem, val1);
+ }
else if (add_to_history)
{
/* Add the value to the history--but not if it matches
Lisp_Object val1 = double_dollars (val);
tem = Fsymbol_value (Qfile_name_history);
if (! CONSP (tem) || NILP (Fequal (XCAR (tem), val1)))
- Fset (Qfile_name_history,
- Fcons (val1, tem));
+ {
+ if (history_delete_duplicates) tem = Fdelete (val1, tem);
+ Fset (Qfile_name_history, Fcons (val1, tem));
+ }
}
return val;
of file names regardless of the current language environment. */);
Vdefault_file_name_coding_system = Qnil;
- DEFVAR_LISP ("auto-save-file-format", &Vauto_save_file_format,
- doc: /* *Format in which to write auto-save files.
-Should be a list of symbols naming formats that are defined in `format-alist'.
-If it is t, which is the default, auto-save files are written in the
-same format as a regular save would use. */);
- Vauto_save_file_format = Qt;
-
Qformat_decode = intern ("format-decode");
staticpro (&Qformat_decode);
Qformat_annotate_function = intern ("format-annotate-function");
defsubr (&Sread_file_name_internal);
defsubr (&Sread_file_name);
+ defsubr (&Snext_read_file_uses_dialog_p);
#ifdef unix
defsubr (&Sunix_sync);