/* Minibuffer input and completion.
-Copyright (C) 1985-1986, 1993-2013 Free Software Foundation, Inc.
+Copyright (C) 1985-1986, 1993-2014 Free Software Foundation, Inc.
This file is part of GNU Emacs.
val = Qnil;
size = 100;
len = 0;
- line = xmalloc (size);
+ line = xmalloc_atomic (size);
while ((c = getchar ()) != '\n')
{
EMACS_INT pos = 0;
/* String to add to the history. */
Lisp_Object histstring;
+ Lisp_Object histval;
Lisp_Object empty_minibuf;
Lisp_Object dummy, frame;
in previous recursive minibuffer, but was not set explicitly
to t for this invocation, so set it to nil in this minibuffer.
Save the old value now, before we change it. */
- specbind (intern ("minibuffer-completing-file-name"), Vminibuffer_completing_file_name);
+ specbind (intern ("minibuffer-completing-file-name"),
+ Vminibuffer_completing_file_name);
if (EQ (Vminibuffer_completing_file_name, Qlambda))
Vminibuffer_completing_file_name = Qnil;
if (!NILP (Vminibuffer_completing_file_name))
Vminibuffer_completing_file_name = Qlambda;
+ /* If variable is unbound, make it nil. */
+ histval = find_symbol_value (Vminibuffer_history_variable);
+ if (EQ (histval, Qunbound))
+ {
+ Fset (Vminibuffer_history_variable, Qnil);
+ histval = Qnil;
+ }
+
if (inherit_input_method)
{
/* `current-input-method' is buffer local. So, remember it in
{
/* If the caller wanted to save the value read on a history list,
then do so if the value is not already the front of the list. */
- Lisp_Object histval;
-
- /* If variable is unbound, make it nil. */
-
- histval = find_symbol_value (Vminibuffer_history_variable);
- if (EQ (histval, Qunbound))
- Fset (Vminibuffer_history_variable, Qnil);
/* The value of the history variable must be a cons or nil. Other
values are unacceptable. We silently ignore these values. */
DEFUN ("read-string", Fread_string, Sread_string, 1, 5, 0,
doc: /* Read a string from the minibuffer, prompting with string PROMPT.
If non-nil, second arg INITIAL-INPUT is a string to insert before reading.
- This argument has been superseded by DEFAULT-VALUE and should normally
- be nil in new code. It behaves as in `read-from-minibuffer'. See the
- documentation string of that function for details.
+ This argument has been superseded by DEFAULT-VALUE and should normally be nil
+ in new code. It behaves as INITIAL-CONTENTS in `read-from-minibuffer' (which
+ see).
The third arg HISTORY, if non-nil, specifies a history list
and optionally the initial position in the list.
See `read-from-minibuffer' for details of HISTORY argument.
This variable only affects history lists that don't specify their own
maximum lengths. Setting the `history-length' property of a history
variable overrides this default. */);
- XSETFASTINT (Vhistory_length, 30);
+ XSETFASTINT (Vhistory_length, 100);
DEFVAR_BOOL ("history-delete-duplicates", history_delete_duplicates,
doc: /* Non-nil means to delete duplicates in history.