DEFUN ("line-beginning-position",
Fline_beginning_position, Sline_beginning_position, 0, 1, 0,
doc: /* Return the character position of the first character on the current line.
-With argument N not nil or 1, move forward N - 1 lines first.
-If scan reaches end of buffer, return that position.
+With optional argument N, scan forward N - 1 lines first.
+If the scan reaches the end of the buffer, return that position.
-The returned position is of the first character in the logical order,
-i.e. the one that has the smallest character position.
+This function ignores text display directionality; it returns the
+position of the first character in logical order, i.e. the smallest
+character position on the line.
This function constrains the returned position to the current field
-unless that would be on a different line than the original,
+unless that position would be on a different line than the original,
unconstrained result. If N is nil or 1, and a front-sticky field
starts at point, the scan stops as soon as it starts. To ignore field
-boundaries bind `inhibit-field-text-motion' to t.
+boundaries, bind `inhibit-field-text-motion' to t.
This function does not move point. */)
(Lisp_Object n)
With argument N not nil or 1, move forward N - 1 lines first.
If scan reaches end of buffer, return that position.
-The returned position is of the last character in the logical order,
-i.e. the character whose buffer position is the largest one.
+This function ignores text display directionality; it returns the
+position of the last character in logical order, i.e. the largest
+character position on the line.
This function constrains the returned position to the current field
unless that would be on a different line than the original,
{
bool visible = (XBUFFER (XWINDOW (selected_window)->buffer)
== current_buffer);
+ /* Do not copy the mark if it points to nowhere. */
+ Lisp_Object mark = (XMARKER (BVAR (current_buffer, mark))->buffer
+ ? Fcopy_marker (BVAR (current_buffer, mark), Qnil)
+ : Qnil);
return Fcons (Fpoint_marker (),
- Fcons (Fcopy_marker (BVAR (current_buffer, mark), Qnil),
+ Fcons (mark,
Fcons (visible ? Qt : Qnil,
Fcons (BVAR (current_buffer, mark_active),
selected_window))));
info = XCDR (info);
tem = XCAR (info);
omark = Fmarker_position (BVAR (current_buffer, mark));
- Fset_marker (BVAR (current_buffer, mark), tem, Fcurrent_buffer ());
- nmark = Fmarker_position (tem);
- unchain_marker (XMARKER (tem));
+ if (NILP (tem))
+ unchain_marker (XMARKER (BVAR (current_buffer, mark)));
+ else
+ {
+ Fset_marker (BVAR (current_buffer, mark), tem, Fcurrent_buffer ());
+ nmark = Fmarker_position (tem);
+ unchain_marker (XMARKER (tem));
+ }
/* visible */
info = XCDR (info);
return Vuser_login_name;
CONS_TO_INTEGER (uid, uid_t, id);
- BLOCK_INPUT;
+ block_input ();
pw = getpwuid (id);
- UNBLOCK_INPUT;
+ unblock_input ();
return (pw ? build_string (pw->pw_name) : Qnil);
}
{
uid_t u;
CONS_TO_INTEGER (uid, uid_t, u);
- BLOCK_INPUT;
+ block_input ();
pw = getpwuid (u);
- UNBLOCK_INPUT;
+ unblock_input ();
}
else if (STRINGP (uid))
{
- BLOCK_INPUT;
+ block_input ();
pw = getpwnam (SSDATA (uid));
- UNBLOCK_INPUT;
+ unblock_input ();
}
else
error ("Invalid UID specification");
return Vsystem_name;
}
-const char *
-get_system_name (void)
-{
- if (STRINGP (Vsystem_name))
- return SSDATA (Vsystem_name);
- else
- return "";
-}
-
DEFUN ("emacs-pid", Femacs_pid, Semacs_pid, 0, 0, 0,
doc: /* Return the process ID of Emacs, as a number. */)
(void)
while (1)
{
time_t *taddr = emacs_secs_addr (&t);
- BLOCK_INPUT;
+ block_input ();
synchronize_system_time_locale ();
tm = ut ? gmtime (taddr) : localtime (taddr);
if (! tm)
{
- UNBLOCK_INPUT;
+ unblock_input ();
time_overflow ();
}
*tmp = *tm;
/* Buffer was too small, so make it bigger and try again. */
len = emacs_nmemftime (NULL, SIZE_MAX, format, formatlen, tm, ut, ns);
- UNBLOCK_INPUT;
+ unblock_input ();
if (STRING_BYTES_BOUND <= len)
string_overflow ();
size = len + 1;
buf = SAFE_ALLOCA (size);
}
- UNBLOCK_INPUT;
+ unblock_input ();
bufstring = make_unibyte_string (buf, len);
SAFE_FREE ();
return code_convert_string_norecord (bufstring, Vlocale_coding_system, 0);
struct tm *decoded_time;
Lisp_Object list_args[9];
- BLOCK_INPUT;
+ block_input ();
decoded_time = localtime (&time_spec);
if (decoded_time)
save_tm = *decoded_time;
- UNBLOCK_INPUT;
+ unblock_input ();
if (! (decoded_time
&& MOST_NEGATIVE_FIXNUM - TM_YEAR_BASE <= save_tm.tm_year
&& save_tm.tm_year <= MOST_POSITIVE_FIXNUM - TM_YEAR_BASE))
XSETFASTINT (list_args[6], save_tm.tm_wday);
list_args[7] = save_tm.tm_isdst ? Qt : Qnil;
- BLOCK_INPUT;
+ block_input ();
decoded_time = gmtime (&time_spec);
if (decoded_time == 0)
list_args[8] = Qnil;
else
XSETINT (list_args[8], tm_diff (&save_tm, decoded_time));
- UNBLOCK_INPUT;
+ unblock_input ();
return Flist (9, list_args);
}
zone = XCAR (zone);
if (NILP (zone))
{
- BLOCK_INPUT;
+ block_input ();
value = mktime (&tm);
- UNBLOCK_INPUT;
+ unblock_input ();
}
else
{
else
error ("Invalid time zone specification");
- BLOCK_INPUT;
+ block_input ();
/* Set TZ before calling mktime; merely adjusting mktime's returned
value doesn't suffice, since that would mishandle leap seconds. */
#ifdef LOCALTIME_CACHE
tzset ();
#endif
- UNBLOCK_INPUT;
+ unblock_input ();
xfree (newenv);
}
newline, and without the 4-digit year limit. Don't use asctime
or ctime, as they might dump core if the year is outside the
range -999 .. 9999. */
- BLOCK_INPUT;
+ block_input ();
tm = localtime (&value);
if (tm)
{
tm->tm_hour, tm->tm_min, tm->tm_sec,
tm->tm_year + year_base);
}
- UNBLOCK_INPUT;
+ unblock_input ();
if (! tm)
time_overflow ();
zone_offset = Qnil;
value = make_emacs_time (lisp_seconds_argument (specified_time), 0);
zone_name = format_time_string ("%Z", sizeof "%Z" - 1, value, 0, &localtm);
- BLOCK_INPUT;
+ block_input ();
t = gmtime (emacs_secs_addr (&value));
if (t)
offset = tm_diff (&localtm, t);
- UNBLOCK_INPUT;
+ unblock_input ();
if (t)
{
if (! (NILP (tz) || EQ (tz, Qt)))
CHECK_STRING (tz);
- BLOCK_INPUT;
+ block_input ();
/* When called for the first time, save the original TZ. */
old_environbuf = environbuf;
set_time_zone_rule (tzstring);
environbuf = environ;
- UNBLOCK_INPUT;
+ unblock_input ();
xfree (old_environbuf);
return Qnil;
DEFUN ("message", Fmessage, Smessage, 1, MANY, 0,
doc: /* Display a message at the bottom of the screen.
-The message also goes into the `*Messages*' buffer.
-\(In keyboard macros, that's all it does.)
+The message also goes into the `*Messages*' buffer, if `message-log-max'
+is non-nil. (In keyboard macros, that's all it does.)
Return the message.
The first argument is a format control string, and the rest are data
HCoop / bpt / emacs.git / blobdiff