1 /* Lisp functions pertaining to editing.
2 Copyright (C) 1985,86,87,89,93,94,95 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 1, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
21 #include <sys/types.h>
32 #include "intervals.h"
38 #define min(a, b) ((a) < (b) ? (a) : (b))
39 #define max(a, b) ((a) > (b) ? (a) : (b))
41 extern void insert_from_buffer ();
42 static long difftm ();
44 /* Some static data, and a function to initialize it for each run */
46 Lisp_Object Vsystem_name
;
47 Lisp_Object Vuser_real_name
; /* login name of current user ID */
48 Lisp_Object Vuser_full_name
; /* full name of current user */
49 Lisp_Object Vuser_name
; /* user name from LOGNAME or USER */
55 register unsigned char *p
, *q
, *r
;
56 struct passwd
*pw
; /* password entry for the current user */
57 extern char *index ();
60 /* Set up system_name even when dumping. */
64 /* Don't bother with this on initial start when just dumping out */
67 #endif /* not CANNOT_DUMP */
69 pw
= (struct passwd
*) getpwuid (getuid ());
71 /* We let the real user name default to "root" because that's quite
72 accurate on MSDOG and because it lets Emacs find the init file.
73 (The DVX libraries override the Djgpp libraries here.) */
74 Vuser_real_name
= build_string (pw
? pw
->pw_name
: "root");
76 Vuser_real_name
= build_string (pw
? pw
->pw_name
: "unknown");
79 /* Get the effective user name, by consulting environment variables,
80 or the effective uid if those are unset. */
81 user_name
= (char *) getenv ("LOGNAME");
84 user_name
= (char *) getenv ("USERNAME"); /* it's USERNAME on NT */
86 user_name
= (char *) getenv ("USER");
87 #endif /* WINDOWSNT */
90 pw
= (struct passwd
*) getpwuid (geteuid ());
91 user_name
= (char *) (pw
? pw
->pw_name
: "unknown");
93 Vuser_name
= build_string (user_name
);
95 /* If the user name claimed in the environment vars differs from
96 the real uid, use the claimed name to find the full name. */
97 tem
= Fstring_equal (Vuser_name
, Vuser_real_name
);
99 pw
= (struct passwd
*) getpwnam (XSTRING (Vuser_name
)->data
);
101 p
= (unsigned char *) (pw
? USER_FULL_NAME
: "unknown");
102 q
= (unsigned char *) index (p
, ',');
103 Vuser_full_name
= make_string (p
, q
? q
- p
: strlen (p
));
105 #ifdef AMPERSAND_FULL_NAME
106 p
= XSTRING (Vuser_full_name
)->data
;
107 q
= (unsigned char *) index (p
, '&');
108 /* Substitute the login name for the &, upcasing the first character. */
111 r
= (unsigned char *) alloca (strlen (p
) + XSTRING (Vuser_name
)->size
+ 1);
114 strcat (r
, XSTRING (Vuser_name
)->data
);
115 r
[q
- p
] = UPCASE (r
[q
- p
]);
117 Vuser_full_name
= build_string (r
);
119 #endif /* AMPERSAND_FULL_NAME */
121 p
= (unsigned char *) getenv ("NAME");
123 Vuser_full_name
= build_string (p
);
126 DEFUN ("char-to-string", Fchar_to_string
, Schar_to_string
, 1, 1, 0,
127 "Convert arg CHAR to a one-character string containing that character.")
135 return make_string (&c
, 1);
138 DEFUN ("string-to-char", Fstring_to_char
, Sstring_to_char
, 1, 1, 0,
139 "Convert arg STRING to a character, the first character of that string.")
141 register Lisp_Object str
;
143 register Lisp_Object val
;
144 register struct Lisp_String
*p
;
145 CHECK_STRING (str
, 0);
149 XSETFASTINT (val
, ((unsigned char *) p
->data
)[0]);
151 XSETFASTINT (val
, 0);
159 register Lisp_Object mark
;
160 mark
= Fmake_marker ();
161 Fset_marker (mark
, make_number (val
), Qnil
);
165 DEFUN ("point", Fpoint
, Spoint
, 0, 0, 0,
166 "Return value of point, as an integer.\n\
167 Beginning of buffer is position (point-min)")
171 XSETFASTINT (temp
, point
);
175 DEFUN ("point-marker", Fpoint_marker
, Spoint_marker
, 0, 0, 0,
176 "Return value of point, as a marker object.")
179 return buildmark (point
);
183 clip_to_bounds (lower
, num
, upper
)
184 int lower
, num
, upper
;
188 else if (num
> upper
)
194 DEFUN ("goto-char", Fgoto_char
, Sgoto_char
, 1, 1, "NGoto char: ",
195 "Set point to POSITION, a number or marker.\n\
196 Beginning of buffer is position (point-min), end is (point-max).")
198 register Lisp_Object n
;
200 CHECK_NUMBER_COERCE_MARKER (n
, 0);
202 SET_PT (clip_to_bounds (BEGV
, XINT (n
), ZV
));
207 region_limit (beginningp
)
210 extern Lisp_Object Vmark_even_if_inactive
; /* Defined in callint.c. */
211 register Lisp_Object m
;
212 if (!NILP (Vtransient_mark_mode
) && NILP (Vmark_even_if_inactive
)
213 && NILP (current_buffer
->mark_active
))
214 Fsignal (Qmark_inactive
, Qnil
);
215 m
= Fmarker_position (current_buffer
->mark
);
216 if (NILP (m
)) error ("There is no region now");
217 if ((point
< XFASTINT (m
)) == beginningp
)
218 return (make_number (point
));
223 DEFUN ("region-beginning", Fregion_beginning
, Sregion_beginning
, 0, 0, 0,
224 "Return position of beginning of region, as an integer.")
227 return (region_limit (1));
230 DEFUN ("region-end", Fregion_end
, Sregion_end
, 0, 0, 0,
231 "Return position of end of region, as an integer.")
234 return (region_limit (0));
237 #if 0 /* now in lisp code */
238 DEFUN ("mark", Fmark
, Smark
, 0, 0, 0,
239 "Return this buffer's mark value as integer, or nil if no mark.\n\
240 If you are using this in an editing command, you are most likely making\n\
241 a mistake; see the documentation of `set-mark'.")
244 return Fmarker_position (current_buffer
->mark
);
246 #endif /* commented out code */
248 DEFUN ("mark-marker", Fmark_marker
, Smark_marker
, 0, 0, 0,
249 "Return this buffer's mark, as a marker object.\n\
250 Watch out! Moving this marker changes the mark position.\n\
251 If you set the marker not to point anywhere, the buffer will have no mark.")
254 return current_buffer
->mark
;
257 #if 0 /* this is now in lisp code */
258 DEFUN ("set-mark", Fset_mark
, Sset_mark
, 1, 1, 0,
259 "Set this buffer's mark to POS. Don't use this function!\n\
260 That is to say, don't use this function unless you want\n\
261 the user to see that the mark has moved, and you want the previous\n\
262 mark position to be lost.\n\
264 Normally, when a new mark is set, the old one should go on the stack.\n\
265 This is why most applications should use push-mark, not set-mark.\n\
267 Novice programmers often try to use the mark for the wrong purposes.\n\
268 The mark saves a location for the user's convenience.\n\
269 Most editing commands should not alter the mark.\n\
270 To remember a location for internal use in the Lisp program,\n\
271 store it in a Lisp variable. Example:\n\
273 (let ((beg (point))) (forward-line 1) (delete-region beg (point))).")
279 current_buffer
->mark
= Qnil
;
282 CHECK_NUMBER_COERCE_MARKER (pos
, 0);
284 if (NILP (current_buffer
->mark
))
285 current_buffer
->mark
= Fmake_marker ();
287 Fset_marker (current_buffer
->mark
, pos
, Qnil
);
290 #endif /* commented-out code */
293 save_excursion_save ()
295 register int visible
= (XBUFFER (XWINDOW (selected_window
)->buffer
)
298 return Fcons (Fpoint_marker (),
299 Fcons (Fcopy_marker (current_buffer
->mark
),
300 Fcons (visible
? Qt
: Qnil
,
301 current_buffer
->mark_active
)));
305 save_excursion_restore (info
)
306 register Lisp_Object info
;
308 register Lisp_Object tem
, tem1
, omark
, nmark
;
310 tem
= Fmarker_buffer (Fcar (info
));
311 /* If buffer being returned to is now deleted, avoid error */
312 /* Otherwise could get error here while unwinding to top level
314 /* In that case, Fmarker_buffer returns nil now. */
320 unchain_marker (tem
);
321 tem
= Fcar (Fcdr (info
));
322 omark
= Fmarker_position (current_buffer
->mark
);
323 Fset_marker (current_buffer
->mark
, tem
, Fcurrent_buffer ());
324 nmark
= Fmarker_position (tem
);
325 unchain_marker (tem
);
326 tem
= Fcdr (Fcdr (info
));
327 #if 0 /* We used to make the current buffer visible in the selected window
328 if that was true previously. That avoids some anomalies.
329 But it creates others, and it wasn't documented, and it is simpler
330 and cleaner never to alter the window/buffer connections. */
333 && current_buffer
!= XBUFFER (XWINDOW (selected_window
)->buffer
))
334 Fswitch_to_buffer (Fcurrent_buffer (), Qnil
);
337 tem1
= current_buffer
->mark_active
;
338 current_buffer
->mark_active
= Fcdr (tem
);
339 if (!NILP (Vrun_hooks
))
341 /* If mark is active now, and either was not active
342 or was at a different place, run the activate hook. */
343 if (! NILP (current_buffer
->mark_active
))
345 if (! EQ (omark
, nmark
))
346 call1 (Vrun_hooks
, intern ("activate-mark-hook"));
348 /* If mark has ceased to be active, run deactivate hook. */
349 else if (! NILP (tem1
))
350 call1 (Vrun_hooks
, intern ("deactivate-mark-hook"));
355 DEFUN ("save-excursion", Fsave_excursion
, Ssave_excursion
, 0, UNEVALLED
, 0,
356 "Save point, mark, and current buffer; execute BODY; restore those things.\n\
357 Executes BODY just like `progn'.\n\
358 The values of point, mark and the current buffer are restored\n\
359 even in case of abnormal exit (throw or error).\n\
360 The state of activation of the mark is also restored.")
364 register Lisp_Object val
;
365 int count
= specpdl_ptr
- specpdl
;
367 record_unwind_protect (save_excursion_restore
, save_excursion_save ());
370 return unbind_to (count
, val
);
373 DEFUN ("buffer-size", Fbufsize
, Sbufsize
, 0, 0, 0,
374 "Return the number of characters in the current buffer.")
378 XSETFASTINT (temp
, Z
- BEG
);
382 DEFUN ("point-min", Fpoint_min
, Spoint_min
, 0, 0, 0,
383 "Return the minimum permissible value of point in the current buffer.\n\
384 This is 1, unless narrowing (a buffer restriction) is in effect.")
388 XSETFASTINT (temp
, BEGV
);
392 DEFUN ("point-min-marker", Fpoint_min_marker
, Spoint_min_marker
, 0, 0, 0,
393 "Return a marker to the minimum permissible value of point in this buffer.\n\
394 This is the beginning, unless narrowing (a buffer restriction) is in effect.")
397 return buildmark (BEGV
);
400 DEFUN ("point-max", Fpoint_max
, Spoint_max
, 0, 0, 0,
401 "Return the maximum permissible value of point in the current buffer.\n\
402 This is (1+ (buffer-size)), unless narrowing (a buffer restriction)\n\
403 is in effect, in which case it is less.")
407 XSETFASTINT (temp
, ZV
);
411 DEFUN ("point-max-marker", Fpoint_max_marker
, Spoint_max_marker
, 0, 0, 0,
412 "Return a marker to the maximum permissible value of point in this buffer.\n\
413 This is (1+ (buffer-size)), unless narrowing (a buffer restriction)\n\
414 is in effect, in which case it is less.")
417 return buildmark (ZV
);
420 DEFUN ("following-char", Ffollowing_char
, Sfollowing_char
, 0, 0, 0,
421 "Return the character following point, as a number.\n\
422 At the end of the buffer or accessible region, return 0.")
427 XSETFASTINT (temp
, 0);
429 XSETFASTINT (temp
, FETCH_CHAR (point
));
433 DEFUN ("preceding-char", Fprevious_char
, Sprevious_char
, 0, 0, 0,
434 "Return the character preceding point, as a number.\n\
435 At the beginning of the buffer or accessible region, return 0.")
440 XSETFASTINT (temp
, 0);
442 XSETFASTINT (temp
, FETCH_CHAR (point
- 1));
446 DEFUN ("bobp", Fbobp
, Sbobp
, 0, 0, 0,
447 "Return T if point is at the beginning of the buffer.\n\
448 If the buffer is narrowed, this means the beginning of the narrowed part.")
456 DEFUN ("eobp", Feobp
, Seobp
, 0, 0, 0,
457 "Return T if point is at the end of the buffer.\n\
458 If the buffer is narrowed, this means the end of the narrowed part.")
466 DEFUN ("bolp", Fbolp
, Sbolp
, 0, 0, 0,
467 "Return T if point is at the beginning of a line.")
470 if (point
== BEGV
|| FETCH_CHAR (point
- 1) == '\n')
475 DEFUN ("eolp", Feolp
, Seolp
, 0, 0, 0,
476 "Return T if point is at the end of a line.\n\
477 `End of a line' includes point being at the end of the buffer.")
480 if (point
== ZV
|| FETCH_CHAR (point
) == '\n')
485 DEFUN ("char-after", Fchar_after
, Schar_after
, 1, 1, 0,
486 "Return character in current buffer at position POS.\n\
487 POS is an integer or a buffer pointer.\n\
488 If POS is out of range, the value is nil.")
492 register Lisp_Object val
;
495 CHECK_NUMBER_COERCE_MARKER (pos
, 0);
498 if (n
< BEGV
|| n
>= ZV
) return Qnil
;
500 XSETFASTINT (val
, FETCH_CHAR (n
));
504 DEFUN ("user-login-name", Fuser_login_name
, Suser_login_name
, 0, 1, 0,
505 "Return the name under which the user logged in, as a string.\n\
506 This is based on the effective uid, not the real uid.\n\
507 Also, if the environment variable LOGNAME or USER is set,\n\
508 that determines the value of this function.\n\n\
509 If optional argument UID is an integer, return the login name of the user\n\
510 with that uid, or nil if there is no such user.")
516 /* Set up the user name info if we didn't do it before.
517 (That can happen if Emacs is dumpable
518 but you decide to run `temacs -l loadup' and not dump. */
519 if (INTEGERP (Vuser_name
))
525 CHECK_NUMBER (uid
, 0);
526 pw
= (struct passwd
*) getpwuid (XINT (uid
));
527 return (pw
? build_string (pw
->pw_name
) : Qnil
);
530 DEFUN ("user-real-login-name", Fuser_real_login_name
, Suser_real_login_name
,
532 "Return the name of the user's real uid, as a string.\n\
533 This ignores the environment variables LOGNAME and USER, so it differs from\n\
534 `user-login-name' when running under `su'.")
537 /* Set up the user name info if we didn't do it before.
538 (That can happen if Emacs is dumpable
539 but you decide to run `temacs -l loadup' and not dump. */
540 if (INTEGERP (Vuser_name
))
542 return Vuser_real_name
;
545 DEFUN ("user-uid", Fuser_uid
, Suser_uid
, 0, 0, 0,
546 "Return the effective uid of Emacs, as an integer.")
549 return make_number (geteuid ());
552 DEFUN ("user-real-uid", Fuser_real_uid
, Suser_real_uid
, 0, 0, 0,
553 "Return the real uid of Emacs, as an integer.")
556 return make_number (getuid ());
559 DEFUN ("user-full-name", Fuser_full_name
, Suser_full_name
, 0, 0, 0,
560 "Return the full name of the user logged in, as a string.")
563 return Vuser_full_name
;
566 DEFUN ("system-name", Fsystem_name
, Ssystem_name
, 0, 0, 0,
567 "Return the name of the machine you are running on, as a string.")
573 /* For the benefit of callers who don't want to include lisp.h */
577 return (char *) XSTRING (Vsystem_name
)->data
;
580 DEFUN ("emacs-pid", Femacs_pid
, Semacs_pid
, 0, 0, 0,
581 "Return the process ID of Emacs, as an integer.")
584 return make_number (getpid ());
587 DEFUN ("current-time", Fcurrent_time
, Scurrent_time
, 0, 0, 0,
588 "Return the current time, as the number of seconds since 12:00 AM January 1970.\n\
589 The time is returned as a list of three integers. The first has the\n\
590 most significant 16 bits of the seconds, while the second has the\n\
591 least significant 16 bits. The third integer gives the microsecond\n\
594 The microsecond count is zero on systems that do not provide\n\
595 resolution finer than a second.")
599 Lisp_Object result
[3];
602 XSETINT (result
[0], (EMACS_SECS (t
) >> 16) & 0xffff);
603 XSETINT (result
[1], (EMACS_SECS (t
) >> 0) & 0xffff);
604 XSETINT (result
[2], EMACS_USECS (t
));
606 return Flist (3, result
);
611 lisp_time_argument (specified_time
, result
)
612 Lisp_Object specified_time
;
615 if (NILP (specified_time
))
616 return time (result
) != -1;
619 Lisp_Object high
, low
;
620 high
= Fcar (specified_time
);
621 CHECK_NUMBER (high
, 0);
622 low
= Fcdr (specified_time
);
625 CHECK_NUMBER (low
, 0);
626 *result
= (XINT (high
) << 16) + (XINT (low
) & 0xffff);
627 return *result
>> 16 == XINT (high
);
631 DEFUN ("format-time-string", Fformat_time_string
, Sformat_time_string
, 2, 2, 0,
632 "Use FORMAT-STRING to format the time TIME.\n\
633 TIME is specified as (HIGH LOW . IGNORED) or (HIGH . LOW), as from\n\
634 `current-time' and `file-attributes'.\n\
635 FORMAT-STRING may contain %-sequences to substitute parts of the time.\n\
636 %a is replaced by the abbreviated name of the day of week.\n\
637 %A is replaced by the full name of the day of week.\n\
638 %b is replaced by the abbreviated name of the month.\n\
639 %B is replaced by the full name of the month.\n\
640 %c is a synonym for \"%x %X\".\n\
641 %C is a locale-specific synonym, which defaults to \"%A, %B %e, %Y\" in the C locale.\n\
642 %d is replaced by the day of month, zero-padded.\n\
643 %D is a synonym for \"%m/%d/%y\".\n\
644 %e is replaced by the day of month, blank-padded.\n\
645 %h is a synonym for \"%b\".\n\
646 %H is replaced by the hour (00-23).\n\
647 %I is replaced by the hour (00-12).\n\
648 %j is replaced by the day of the year (001-366).\n\
649 %k is replaced by the hour (0-23), blank padded.\n\
650 %l is replaced by the hour (1-12), blank padded.\n\
651 %m is replaced by the month (01-12).\n\
652 %M is replaced by the minut (00-59).\n\
653 %n is a synonym for \"\\n\".\n\
654 %p is replaced by AM or PM, as appropriate.\n\
655 %r is a synonym for \"%I:%M:%S %p\".\n\
656 %R is a synonym for \"%H:%M\".\n\
657 %S is replaced by the seconds (00-60).\n\
658 %t is a synonym for \"\\t\".\n\
659 %T is a synonym for \"%H:%M:%S\".\n\
660 %U is replaced by the week of the year (01-52), first day of week is Sunday.\n\
661 %w is replaced by the day of week (0-6), Sunday is day 0.\n\
662 %W is replaced by the week of the year (01-52), first day of week is Monday.\n\
663 %x is a locale-specific synonym, which defaults to \"%D\" in the C locale.\n\
664 %X is a locale-specific synonym, which defaults to \"%T\" in the C locale.\n\
665 %y is replaced by the year without century (00-99).\n\
666 %Y is replaced by the year with century.\n\
667 %Z is replaced by the time zone abbreviation.\n\
669 The number of options reflects the `strftime' function.")
670 (format_string
, time
)
671 Lisp_Object format_string
, time
;
676 CHECK_STRING (format_string
, 1);
678 if (! lisp_time_argument (time
, &value
))
679 error ("Invalid time specification");
681 /* This is probably enough. */
682 size
= XSTRING (format_string
)->size
* 6 + 50;
686 char *buf
= (char *) alloca (size
);
687 if (emacs_strftime (buf
, size
, XSTRING (format_string
)->data
,
689 return build_string (buf
);
690 /* If buffer was too small, make it bigger. */
695 DEFUN ("decode-time", Fdecode_time
, Sdecode_time
, 0, 1, 0,
696 "Decode a time value as (SEC MINUTE HOUR DAY MONTH YEAR DOW DST ZONE).\n\
697 The optional SPECIFIED-TIME should be a list of (HIGH LOW . IGNORED)\n\
698 or (HIGH . LOW), as from `current-time' and `file-attributes', or `nil'\n\
699 to use the current time. The list has the following nine members:\n\
700 SEC is an integer between 0 and 59. MINUTE is an integer between 0 and 59.\n\
701 HOUR is an integer between 0 and 23. DAY is an integer between 1 and 31.\n\
702 MONTH is an integer between 1 and 12. YEAR is an integer indicating the\n\
703 four-digit year. DOW is the day of week, an integer between 0 and 6, where\n\
704 0 is Sunday. DST is t if daylight savings time is effect, otherwise nil.\n\
705 ZONE is an integer indicating the number of seconds east of Greenwich.\n\
706 (Note that Common Lisp has different meanings for DOW and ZONE.)")
708 Lisp_Object specified_time
;
712 struct tm
*decoded_time
;
713 Lisp_Object list_args
[9];
715 if (! lisp_time_argument (specified_time
, &time_spec
))
716 error ("Invalid time specification");
718 decoded_time
= localtime (&time_spec
);
719 XSETFASTINT (list_args
[0], decoded_time
->tm_sec
);
720 XSETFASTINT (list_args
[1], decoded_time
->tm_min
);
721 XSETFASTINT (list_args
[2], decoded_time
->tm_hour
);
722 XSETFASTINT (list_args
[3], decoded_time
->tm_mday
);
723 XSETFASTINT (list_args
[4], decoded_time
->tm_mon
+ 1);
724 XSETFASTINT (list_args
[5], decoded_time
->tm_year
+ 1900);
725 XSETFASTINT (list_args
[6], decoded_time
->tm_wday
);
726 list_args
[7] = (decoded_time
->tm_isdst
)? Qt
: Qnil
;
728 /* Make a copy, in case gmtime modifies the struct. */
729 save_tm
= *decoded_time
;
730 decoded_time
= gmtime (&time_spec
);
731 if (decoded_time
== 0)
734 XSETINT (list_args
[8], difftm (&save_tm
, decoded_time
));
735 return Flist (9, list_args
);
738 DEFUN ("encode-time", Fencode_time
, Sencode_time
, 6, 7, 0,
739 "Convert SEC, MIN, HOUR, DAY, MONTH, YEAR and ZONE to internal time.\n\
740 This is the reverse operation of `decode-time', which see. ZONE defaults\n\
741 to the current time zone and daylight savings time if not specified; if\n\
742 specified, it can be either a list (as from `current-time-zone') or an\n\
743 integer (as from `decode-time'), and is applied without consideration for\n\
744 daylight savings time.\n\
745 If YEAR is less than 100, values in the range 0 through 69 are treated\n\
746 as 2000 through 2069; values 70 through 99 are treated as 1970...1999.")
747 (sec
, min
, hour
, day
, month
, year
, zone
)
748 Lisp_Object sec
, min
, hour
, day
, month
, year
, zone
;
751 int fullyear
, mon
, days
, seconds
, tz
= 0;
752 static char days_per_month
[11] = { 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31 };
754 CHECK_NATNUM (sec
, 0);
755 CHECK_NATNUM (min
, 1);
756 CHECK_NATNUM (hour
, 2);
757 CHECK_NATNUM (day
, 3);
758 CHECK_NATNUM (month
, 4);
759 CHECK_NATNUM (year
, 5);
761 fullyear
= XINT (year
);
764 if (fullyear
< 70) /* Epoch is 1970. */
770 /* Adjust incoming datespec to epoch = March 1, year 0. */
771 mon
= XINT (month
) - 1 + 10;
772 fullyear
+= mon
/12 - 1;
775 days
= XINT (day
) - 1; /* day of month */
776 while (mon
-- > 0) /* day of year */
777 days
+= days_per_month
[mon
];
778 days
+= 146097 * (fullyear
/400); /* 400 years = 146097 days */
780 days
+= 36524 * (fullyear
/100); /* 100 years = 36524 days */
782 days
+= 1461 * (fullyear
/4); /* 4 years = 1461 days */
784 days
+= 365 * fullyear
; /* 1 year = 365 days */
786 /* Adjust computed datespec to epoch = January 1, 1970. */
787 days
+= 59; /* March 1 is 59th day. */
788 days
-= 719527; /* 1970 years = 719527 days */
790 seconds
= XINT (sec
) + 60 * XINT (min
) + 3600 * XINT (hour
);
792 if (sizeof (time_t) == 4
793 && ((days
+(seconds
/86400) > 24854) || (days
+(seconds
/86400) < -24854)))
794 error ("the specified time is outside the representable range");
796 time
= days
* 86400 + seconds
;
798 /* We have the correct value for UTC. Adjust for timezones. */
802 time_t adjusted_time
;
804 /* If the system does not use timezones, gmtime returns 0, and we
805 already have the correct value, by definition. */
806 if ((t
= gmtime (&time
)) != 0)
809 t
= localtime (&time
);
810 tz
= difftm (t
, &gmt
);
811 /* The timezone returned is that at the specified Universal Time,
812 not the local time, which is what we want. Adjust, repeat. */
813 adjusted_time
= time
- tz
;
814 gmt
= *gmtime (&adjusted_time
); /* this is safe now */
815 t
= localtime (&adjusted_time
);
816 adjusted_tz
= difftm (t
, &gmt
);
817 /* In case of discrepancy, adjust again for extra accuracy. */
818 if (adjusted_tz
!= tz
)
820 adjusted_time
= time
- adjusted_tz
;
821 gmt
= *gmtime (&adjusted_time
);
822 t
= localtime (&adjusted_time
);
823 adjusted_tz
= difftm (t
, &gmt
);
832 CHECK_NUMBER (zone
, 6);
836 return make_time (time
- tz
);
839 DEFUN ("current-time-string", Fcurrent_time_string
, Scurrent_time_string
, 0, 1, 0,
840 "Return the current time, as a human-readable string.\n\
841 Programs can use this function to decode a time,\n\
842 since the number of columns in each field is fixed.\n\
843 The format is `Sun Sep 16 01:03:52 1973'.\n\
844 If an argument is given, it specifies a time to format\n\
845 instead of the current time. The argument should have the form:\n\
848 (HIGH LOW . IGNORED).\n\
849 Thus, you can use times obtained from `current-time'\n\
850 and from `file-attributes'.")
852 Lisp_Object specified_time
;
858 if (! lisp_time_argument (specified_time
, &value
))
860 tem
= (char *) ctime (&value
);
862 strncpy (buf
, tem
, 24);
865 return build_string (buf
);
868 #define TM_YEAR_ORIGIN 1900
870 /* Yield A - B, measured in seconds. */
875 int ay
= a
->tm_year
+ (TM_YEAR_ORIGIN
- 1);
876 int by
= b
->tm_year
+ (TM_YEAR_ORIGIN
- 1);
877 /* Some compilers can't handle this as a single return statement. */
879 /* difference in day of year */
880 a
->tm_yday
- b
->tm_yday
881 /* + intervening leap days */
882 + ((ay
>> 2) - (by
>> 2))
884 + ((ay
/100 >> 2) - (by
/100 >> 2))
885 /* + difference in years * 365 */
886 + (long)(ay
-by
) * 365
888 return (60*(60*(24*days
+ (a
->tm_hour
- b
->tm_hour
))
889 + (a
->tm_min
- b
->tm_min
))
890 + (a
->tm_sec
- b
->tm_sec
));
893 DEFUN ("current-time-zone", Fcurrent_time_zone
, Scurrent_time_zone
, 0, 1, 0,
894 "Return the offset and name for the local time zone.\n\
895 This returns a list of the form (OFFSET NAME).\n\
896 OFFSET is an integer number of seconds ahead of UTC (east of Greenwich).\n\
897 A negative value means west of Greenwich.\n\
898 NAME is a string giving the name of the time zone.\n\
899 If an argument is given, it specifies when the time zone offset is determined\n\
900 instead of using the current time. The argument should have the form:\n\
903 (HIGH LOW . IGNORED).\n\
904 Thus, you can use times obtained from `current-time'\n\
905 and from `file-attributes'.\n\
907 Some operating systems cannot provide all this information to Emacs;\n\
908 in this case, `current-time-zone' returns a list containing nil for\n\
909 the data it can't find.")
911 Lisp_Object specified_time
;
916 if (lisp_time_argument (specified_time
, &value
)
917 && (t
= gmtime (&value
)) != 0)
923 gmt
= *t
; /* Make a copy, in case localtime modifies *t. */
924 t
= localtime (&value
);
925 offset
= difftm (t
, &gmt
);
929 s
= (char *)t
->tm_zone
;
930 #else /* not HAVE_TM_ZONE */
932 if (t
->tm_isdst
== 0 || t
->tm_isdst
== 1)
933 s
= tzname
[t
->tm_isdst
];
935 #endif /* not HAVE_TM_ZONE */
938 /* No local time zone name is available; use "+-NNNN" instead. */
939 int am
= (offset
< 0 ? -offset
: offset
) / 60;
940 sprintf (buf
, "%c%02d%02d", (offset
< 0 ? '-' : '+'), am
/60, am
%60);
943 return Fcons (make_number (offset
), Fcons (build_string (s
), Qnil
));
946 return Fmake_list (2, Qnil
);
958 /* Callers passing one argument to Finsert need not gcpro the
959 argument "array", since the only element of the array will
960 not be used after calling insert or insert_from_string, so
961 we don't care if it gets trashed. */
963 DEFUN ("insert", Finsert
, Sinsert
, 0, MANY
, 0,
964 "Insert the arguments, either strings or characters, at point.\n\
965 Point moves forward so that it ends up after the inserted text.\n\
966 Any other markers at the point of insertion remain before the text.")
969 register Lisp_Object
*args
;
972 register Lisp_Object tem
;
975 for (argnum
= 0; argnum
< nargs
; argnum
++)
984 else if (STRINGP (tem
))
986 insert_from_string (tem
, 0, XSTRING (tem
)->size
, 0);
990 tem
= wrong_type_argument (Qchar_or_string_p
, tem
);
998 DEFUN ("insert-and-inherit", Finsert_and_inherit
, Sinsert_and_inherit
,
1000 "Insert the arguments at point, inheriting properties from adjoining text.\n\
1001 Point moves forward so that it ends up after the inserted text.\n\
1002 Any other markers at the point of insertion remain before the text.")
1005 register Lisp_Object
*args
;
1007 register int argnum
;
1008 register Lisp_Object tem
;
1011 for (argnum
= 0; argnum
< nargs
; argnum
++)
1017 str
[0] = XINT (tem
);
1018 insert_and_inherit (str
, 1);
1020 else if (STRINGP (tem
))
1022 insert_from_string (tem
, 0, XSTRING (tem
)->size
, 1);
1026 tem
= wrong_type_argument (Qchar_or_string_p
, tem
);
1034 DEFUN ("insert-before-markers", Finsert_before_markers
, Sinsert_before_markers
, 0, MANY
, 0,
1035 "Insert strings or characters at point, relocating markers after the text.\n\
1036 Point moves forward so that it ends up after the inserted text.\n\
1037 Any other markers at the point of insertion also end up after the text.")
1040 register Lisp_Object
*args
;
1042 register int argnum
;
1043 register Lisp_Object tem
;
1046 for (argnum
= 0; argnum
< nargs
; argnum
++)
1052 str
[0] = XINT (tem
);
1053 insert_before_markers (str
, 1);
1055 else if (STRINGP (tem
))
1057 insert_from_string_before_markers (tem
, 0, XSTRING (tem
)->size
, 0);
1061 tem
= wrong_type_argument (Qchar_or_string_p
, tem
);
1069 DEFUN ("insert-before-markers-and-inherit",
1070 Finsert_and_inherit_before_markers
, Sinsert_and_inherit_before_markers
,
1072 "Insert text at point, relocating markers and inheriting properties.\n\
1073 Point moves forward so that it ends up after the inserted text.\n\
1074 Any other markers at the point of insertion also end up after the text.")
1077 register Lisp_Object
*args
;
1079 register int argnum
;
1080 register Lisp_Object tem
;
1083 for (argnum
= 0; argnum
< nargs
; argnum
++)
1089 str
[0] = XINT (tem
);
1090 insert_before_markers_and_inherit (str
, 1);
1092 else if (STRINGP (tem
))
1094 insert_from_string_before_markers (tem
, 0, XSTRING (tem
)->size
, 1);
1098 tem
= wrong_type_argument (Qchar_or_string_p
, tem
);
1106 DEFUN ("insert-char", Finsert_char
, Sinsert_char
, 2, 3, 0,
1107 "Insert COUNT (second arg) copies of CHAR (first arg).\n\
1108 Point and all markers are affected as in the function `insert'.\n\
1109 Both arguments are required.\n\
1110 The optional third arg INHERIT, if non-nil, says to inherit text properties\n\
1111 from adjoining text, if those properties are sticky.")
1112 (chr
, count
, inherit
)
1113 Lisp_Object chr
, count
, inherit
;
1115 register unsigned char *string
;
1116 register int strlen
;
1119 CHECK_NUMBER (chr
, 0);
1120 CHECK_NUMBER (count
, 1);
1125 strlen
= min (n
, 256);
1126 string
= (unsigned char *) alloca (strlen
);
1127 for (i
= 0; i
< strlen
; i
++)
1128 string
[i
] = XFASTINT (chr
);
1131 if (!NILP (inherit
))
1132 insert_and_inherit (string
, strlen
);
1134 insert (string
, strlen
);
1139 if (!NILP (inherit
))
1140 insert_and_inherit (string
, n
);
1148 /* Making strings from buffer contents. */
1150 /* Return a Lisp_String containing the text of the current buffer from
1151 START to END. If text properties are in use and the current buffer
1152 has properties in the range specified, the resulting string will also
1155 We don't want to use plain old make_string here, because it calls
1156 make_uninit_string, which can cause the buffer arena to be
1157 compacted. make_string has no way of knowing that the data has
1158 been moved, and thus copies the wrong data into the string. This
1159 doesn't effect most of the other users of make_string, so it should
1160 be left as is. But we should use this function when conjuring
1161 buffer substrings. */
1164 make_buffer_string (start
, end
)
1167 Lisp_Object result
, tem
, tem1
;
1169 if (start
< GPT
&& GPT
< end
)
1172 result
= make_uninit_string (end
- start
);
1173 bcopy (&FETCH_CHAR (start
), XSTRING (result
)->data
, end
- start
);
1175 tem
= Fnext_property_change (make_number (start
), Qnil
, make_number (end
));
1176 tem1
= Ftext_properties_at (make_number (start
), Qnil
);
1178 #ifdef USE_TEXT_PROPERTIES
1179 if (XINT (tem
) != end
|| !NILP (tem1
))
1180 copy_intervals_to_string (result
, current_buffer
, start
, end
- start
);
1186 DEFUN ("buffer-substring", Fbuffer_substring
, Sbuffer_substring
, 2, 2, 0,
1187 "Return the contents of part of the current buffer as a string.\n\
1188 The two arguments START and END are character positions;\n\
1189 they can be in either order.")
1193 register int beg
, end
;
1195 validate_region (&b
, &e
);
1199 return make_buffer_string (beg
, end
);
1202 DEFUN ("buffer-string", Fbuffer_string
, Sbuffer_string
, 0, 0, 0,
1203 "Return the contents of the current buffer as a string.\n\
1204 If narrowing is in effect, this function returns only the visible part\n\
1208 return make_buffer_string (BEGV
, ZV
);
1211 DEFUN ("insert-buffer-substring", Finsert_buffer_substring
, Sinsert_buffer_substring
,
1213 "Insert before point a substring of the contents of buffer BUFFER.\n\
1214 BUFFER may be a buffer or a buffer name.\n\
1215 Arguments START and END are character numbers specifying the substring.\n\
1216 They default to the beginning and the end of BUFFER.")
1218 Lisp_Object buf
, b
, e
;
1220 register int beg
, end
, temp
;
1221 register struct buffer
*bp
;
1224 buffer
= Fget_buffer (buf
);
1227 bp
= XBUFFER (buffer
);
1230 beg
= BUF_BEGV (bp
);
1233 CHECK_NUMBER_COERCE_MARKER (b
, 0);
1240 CHECK_NUMBER_COERCE_MARKER (e
, 1);
1245 temp
= beg
, beg
= end
, end
= temp
;
1247 if (!(BUF_BEGV (bp
) <= beg
&& end
<= BUF_ZV (bp
)))
1248 args_out_of_range (b
, e
);
1250 insert_from_buffer (bp
, beg
, end
- beg
, 0);
1254 DEFUN ("compare-buffer-substrings", Fcompare_buffer_substrings
, Scompare_buffer_substrings
,
1256 "Compare two substrings of two buffers; return result as number.\n\
1257 the value is -N if first string is less after N-1 chars,\n\
1258 +N if first string is greater after N-1 chars, or 0 if strings match.\n\
1259 Each substring is represented as three arguments: BUFFER, START and END.\n\
1260 That makes six args in all, three for each substring.\n\n\
1261 The value of `case-fold-search' in the current buffer\n\
1262 determines whether case is significant or ignored.")
1263 (buffer1
, start1
, end1
, buffer2
, start2
, end2
)
1264 Lisp_Object buffer1
, start1
, end1
, buffer2
, start2
, end2
;
1266 register int begp1
, endp1
, begp2
, endp2
, temp
, len1
, len2
, length
, i
;
1267 register struct buffer
*bp1
, *bp2
;
1268 register unsigned char *trt
1269 = (!NILP (current_buffer
->case_fold_search
)
1270 ? XSTRING (current_buffer
->case_canon_table
)->data
: 0);
1272 /* Find the first buffer and its substring. */
1275 bp1
= current_buffer
;
1279 buf1
= Fget_buffer (buffer1
);
1282 bp1
= XBUFFER (buf1
);
1286 begp1
= BUF_BEGV (bp1
);
1289 CHECK_NUMBER_COERCE_MARKER (start1
, 1);
1290 begp1
= XINT (start1
);
1293 endp1
= BUF_ZV (bp1
);
1296 CHECK_NUMBER_COERCE_MARKER (end1
, 2);
1297 endp1
= XINT (end1
);
1301 temp
= begp1
, begp1
= endp1
, endp1
= temp
;
1303 if (!(BUF_BEGV (bp1
) <= begp1
1305 && endp1
<= BUF_ZV (bp1
)))
1306 args_out_of_range (start1
, end1
);
1308 /* Likewise for second substring. */
1311 bp2
= current_buffer
;
1315 buf2
= Fget_buffer (buffer2
);
1318 bp2
= XBUFFER (buffer2
);
1322 begp2
= BUF_BEGV (bp2
);
1325 CHECK_NUMBER_COERCE_MARKER (start2
, 4);
1326 begp2
= XINT (start2
);
1329 endp2
= BUF_ZV (bp2
);
1332 CHECK_NUMBER_COERCE_MARKER (end2
, 5);
1333 endp2
= XINT (end2
);
1337 temp
= begp2
, begp2
= endp2
, endp2
= temp
;
1339 if (!(BUF_BEGV (bp2
) <= begp2
1341 && endp2
<= BUF_ZV (bp2
)))
1342 args_out_of_range (start2
, end2
);
1344 len1
= endp1
- begp1
;
1345 len2
= endp2
- begp2
;
1350 for (i
= 0; i
< length
; i
++)
1352 int c1
= *BUF_CHAR_ADDRESS (bp1
, begp1
+ i
);
1353 int c2
= *BUF_CHAR_ADDRESS (bp2
, begp2
+ i
);
1360 return make_number (- 1 - i
);
1362 return make_number (i
+ 1);
1365 /* The strings match as far as they go.
1366 If one is shorter, that one is less. */
1368 return make_number (length
+ 1);
1369 else if (length
< len2
)
1370 return make_number (- length
- 1);
1372 /* Same length too => they are equal. */
1373 return make_number (0);
1377 subst_char_in_region_unwind (arg
)
1380 return current_buffer
->undo_list
= arg
;
1383 DEFUN ("subst-char-in-region", Fsubst_char_in_region
,
1384 Ssubst_char_in_region
, 4, 5, 0,
1385 "From START to END, replace FROMCHAR with TOCHAR each time it occurs.\n\
1386 If optional arg NOUNDO is non-nil, don't record this change for undo\n\
1387 and don't mark the buffer as really changed.")
1388 (start
, end
, fromchar
, tochar
, noundo
)
1389 Lisp_Object start
, end
, fromchar
, tochar
, noundo
;
1391 register int pos
, stop
, look
;
1393 int count
= specpdl_ptr
- specpdl
;
1395 validate_region (&start
, &end
);
1396 CHECK_NUMBER (fromchar
, 2);
1397 CHECK_NUMBER (tochar
, 3);
1401 look
= XINT (fromchar
);
1403 /* If we don't want undo, turn off putting stuff on the list.
1404 That's faster than getting rid of things,
1405 and it prevents even the entry for a first change. */
1408 record_unwind_protect (subst_char_in_region_unwind
,
1409 current_buffer
->undo_list
);
1410 current_buffer
->undo_list
= Qt
;
1415 if (FETCH_CHAR (pos
) == look
)
1419 modify_region (current_buffer
, XINT (start
), stop
);
1421 if (! NILP (noundo
))
1423 if (MODIFF
- 1 == SAVE_MODIFF
)
1425 if (MODIFF
- 1 == current_buffer
->auto_save_modified
)
1426 current_buffer
->auto_save_modified
++;
1433 record_change (pos
, 1);
1434 FETCH_CHAR (pos
) = XINT (tochar
);
1440 signal_after_change (XINT (start
),
1441 stop
- XINT (start
), stop
- XINT (start
));
1443 unbind_to (count
, Qnil
);
1447 DEFUN ("translate-region", Ftranslate_region
, Stranslate_region
, 3, 3, 0,
1448 "From START to END, translate characters according to TABLE.\n\
1449 TABLE is a string; the Nth character in it is the mapping\n\
1450 for the character with code N. Returns the number of characters changed.")
1454 register Lisp_Object table
;
1456 register int pos
, stop
; /* Limits of the region. */
1457 register unsigned char *tt
; /* Trans table. */
1458 register int oc
; /* Old character. */
1459 register int nc
; /* New character. */
1460 int cnt
; /* Number of changes made. */
1461 Lisp_Object z
; /* Return. */
1462 int size
; /* Size of translate table. */
1464 validate_region (&start
, &end
);
1465 CHECK_STRING (table
, 2);
1467 size
= XSTRING (table
)->size
;
1468 tt
= XSTRING (table
)->data
;
1472 modify_region (current_buffer
, pos
, stop
);
1475 for (; pos
< stop
; ++pos
)
1477 oc
= FETCH_CHAR (pos
);
1483 record_change (pos
, 1);
1484 FETCH_CHAR (pos
) = nc
;
1485 signal_after_change (pos
, 1, 1);
1491 XSETFASTINT (z
, cnt
);
1495 DEFUN ("delete-region", Fdelete_region
, Sdelete_region
, 2, 2, "r",
1496 "Delete the text between point and mark.\n\
1497 When called from a program, expects two arguments,\n\
1498 positions (integers or markers) specifying the stretch to be deleted.")
1502 validate_region (&b
, &e
);
1503 del_range (XINT (b
), XINT (e
));
1507 DEFUN ("widen", Fwiden
, Swiden
, 0, 0, "",
1508 "Remove restrictions (narrowing) from current buffer.\n\
1509 This allows the buffer's full text to be seen and edited.")
1513 SET_BUF_ZV (current_buffer
, Z
);
1515 /* Changing the buffer bounds invalidates any recorded current column. */
1516 invalidate_current_column ();
1520 DEFUN ("narrow-to-region", Fnarrow_to_region
, Snarrow_to_region
, 2, 2, "r",
1521 "Restrict editing in this buffer to the current region.\n\
1522 The rest of the text becomes temporarily invisible and untouchable\n\
1523 but is not deleted; if you save the buffer in a file, the invisible\n\
1524 text is included in the file. \\[widen] makes all visible again.\n\
1525 See also `save-restriction'.\n\
1527 When calling from a program, pass two arguments; positions (integers\n\
1528 or markers) bounding the text that should remain visible.")
1530 register Lisp_Object b
, e
;
1532 CHECK_NUMBER_COERCE_MARKER (b
, 0);
1533 CHECK_NUMBER_COERCE_MARKER (e
, 1);
1535 if (XINT (b
) > XINT (e
))
1538 tem
= b
; b
= e
; e
= tem
;
1541 if (!(BEG
<= XINT (b
) && XINT (b
) <= XINT (e
) && XINT (e
) <= Z
))
1542 args_out_of_range (b
, e
);
1544 BEGV
= XFASTINT (b
);
1545 SET_BUF_ZV (current_buffer
, XFASTINT (e
));
1546 if (point
< XFASTINT (b
))
1547 SET_PT (XFASTINT (b
));
1548 if (point
> XFASTINT (e
))
1549 SET_PT (XFASTINT (e
));
1551 /* Changing the buffer bounds invalidates any recorded current column. */
1552 invalidate_current_column ();
1557 save_restriction_save ()
1559 register Lisp_Object bottom
, top
;
1560 /* Note: I tried using markers here, but it does not win
1561 because insertion at the end of the saved region
1562 does not advance mh and is considered "outside" the saved region. */
1563 XSETFASTINT (bottom
, BEGV
- BEG
);
1564 XSETFASTINT (top
, Z
- ZV
);
1566 return Fcons (Fcurrent_buffer (), Fcons (bottom
, top
));
1570 save_restriction_restore (data
)
1573 register struct buffer
*buf
;
1574 register int newhead
, newtail
;
1575 register Lisp_Object tem
;
1577 buf
= XBUFFER (XCONS (data
)->car
);
1579 data
= XCONS (data
)->cdr
;
1581 tem
= XCONS (data
)->car
;
1582 newhead
= XINT (tem
);
1583 tem
= XCONS (data
)->cdr
;
1584 newtail
= XINT (tem
);
1585 if (newhead
+ newtail
> BUF_Z (buf
) - BUF_BEG (buf
))
1590 BUF_BEGV (buf
) = BUF_BEG (buf
) + newhead
;
1591 SET_BUF_ZV (buf
, BUF_Z (buf
) - newtail
);
1594 /* If point is outside the new visible range, move it inside. */
1596 clip_to_bounds (BUF_BEGV (buf
), BUF_PT (buf
), BUF_ZV (buf
)));
1601 DEFUN ("save-restriction", Fsave_restriction
, Ssave_restriction
, 0, UNEVALLED
, 0,
1602 "Execute BODY, saving and restoring current buffer's restrictions.\n\
1603 The buffer's restrictions make parts of the beginning and end invisible.\n\
1604 \(They are set up with `narrow-to-region' and eliminated with `widen'.)\n\
1605 This special form, `save-restriction', saves the current buffer's restrictions\n\
1606 when it is entered, and restores them when it is exited.\n\
1607 So any `narrow-to-region' within BODY lasts only until the end of the form.\n\
1608 The old restrictions settings are restored\n\
1609 even in case of abnormal exit (throw or error).\n\
1611 The value returned is the value of the last form in BODY.\n\
1613 `save-restriction' can get confused if, within the BODY, you widen\n\
1614 and then make changes outside the area within the saved restrictions.\n\
1616 Note: if you are using both `save-excursion' and `save-restriction',\n\
1617 use `save-excursion' outermost:\n\
1618 (save-excursion (save-restriction ...))")
1622 register Lisp_Object val
;
1623 int count
= specpdl_ptr
- specpdl
;
1625 record_unwind_protect (save_restriction_restore
, save_restriction_save ());
1626 val
= Fprogn (body
);
1627 return unbind_to (count
, val
);
1630 /* Buffer for the most recent text displayed by Fmessage. */
1631 static char *message_text
;
1633 /* Allocated length of that buffer. */
1634 static int message_length
;
1636 DEFUN ("message", Fmessage
, Smessage
, 1, MANY
, 0,
1637 "Print a one-line message at the bottom of the screen.\n\
1638 The first argument is a control string.\n\
1639 It may contain %s or %d or %c to print successive following arguments.\n\
1640 %s means print an argument as a string, %d means print as number in decimal,\n\
1641 %c means print a number as a single character.\n\
1642 The argument used by %s must be a string or a symbol;\n\
1643 the argument used by %d or %c must be a number.\n\
1644 If the first argument is nil, clear any existing message; let the\n\
1645 minibuffer contents show.")
1657 register Lisp_Object val
;
1658 val
= Fformat (nargs
, args
);
1659 /* Copy the data so that it won't move when we GC. */
1662 message_text
= (char *)xmalloc (80);
1663 message_length
= 80;
1665 if (XSTRING (val
)->size
> message_length
)
1667 message_length
= XSTRING (val
)->size
;
1668 message_text
= (char *)xrealloc (message_text
, message_length
);
1670 bcopy (XSTRING (val
)->data
, message_text
, XSTRING (val
)->size
);
1671 message2 (message_text
, XSTRING (val
)->size
);
1676 DEFUN ("message-box", Fmessage_box
, Smessage_box
, 1, MANY
, 0,
1677 "Display a message, in a dialog box if possible.\n\
1678 If a dialog box is not available, use the echo area.\n\
1679 The first argument is a control string.\n\
1680 It may contain %s or %d or %c to print successive following arguments.\n\
1681 %s means print an argument as a string, %d means print as number in decimal,\n\
1682 %c means print a number as a single character.\n\
1683 The argument used by %s must be a string or a symbol;\n\
1684 the argument used by %d or %c must be a number.\n\
1685 If the first argument is nil, clear any existing message; let the\n\
1686 minibuffer contents show.")
1698 register Lisp_Object val
;
1699 val
= Fformat (nargs
, args
);
1702 Lisp_Object pane
, menu
, obj
;
1703 struct gcpro gcpro1
;
1704 pane
= Fcons (Fcons (build_string ("OK"), Qt
), Qnil
);
1706 menu
= Fcons (val
, pane
);
1707 obj
= Fx_popup_dialog (Qt
, menu
);
1712 /* Copy the data so that it won't move when we GC. */
1715 message_text
= (char *)xmalloc (80);
1716 message_length
= 80;
1718 if (XSTRING (val
)->size
> message_length
)
1720 message_length
= XSTRING (val
)->size
;
1721 message_text
= (char *)xrealloc (message_text
, message_length
);
1723 bcopy (XSTRING (val
)->data
, message_text
, XSTRING (val
)->size
);
1724 message2 (message_text
, XSTRING (val
)->size
);
1730 extern Lisp_Object last_nonmenu_event
;
1732 DEFUN ("message-or-box", Fmessage_or_box
, Smessage_or_box
, 1, MANY
, 0,
1733 "Display a message in a dialog box or in the echo area.\n\
1734 If this command was invoked with the mouse, use a dialog box.\n\
1735 Otherwise, use the echo area.\n\
1737 The first argument is a control string.\n\
1738 It may contain %s or %d or %c to print successive following arguments.\n\
1739 %s means print an argument as a string, %d means print as number in decimal,\n\
1740 %c means print a number as a single character.\n\
1741 The argument used by %s must be a string or a symbol;\n\
1742 the argument used by %d or %c must be a number.\n\
1743 If the first argument is nil, clear any existing message; let the\n\
1744 minibuffer contents show.")
1750 if (NILP (last_nonmenu_event
) || CONSP (last_nonmenu_event
))
1751 return Fmessage_box (nargs
, args
);
1753 return Fmessage (nargs
, args
);
1756 DEFUN ("format", Fformat
, Sformat
, 1, MANY
, 0,
1757 "Format a string out of a control-string and arguments.\n\
1758 The first argument is a control string.\n\
1759 The other arguments are substituted into it to make the result, a string.\n\
1760 It may contain %-sequences meaning to substitute the next argument.\n\
1761 %s means print a string argument. Actually, prints any object, with `princ'.\n\
1762 %d means print as number in decimal (%o octal, %x hex).\n\
1763 %c means print a number as a single character.\n\
1764 %S means print any object as an s-expression (using prin1).\n\
1765 The argument used for %d, %o, %x or %c must be a number.\n\
1766 Use %% to put a single % into the output.")
1769 register Lisp_Object
*args
;
1771 register int n
; /* The number of the next arg to substitute */
1772 register int total
= 5; /* An estimate of the final length */
1774 register unsigned char *format
, *end
;
1776 extern char *index ();
1777 /* It should not be necessary to GCPRO ARGS, because
1778 the caller in the interpreter should take care of that. */
1780 CHECK_STRING (args
[0], 0);
1781 format
= XSTRING (args
[0])->data
;
1782 end
= format
+ XSTRING (args
[0])->size
;
1785 while (format
!= end
)
1786 if (*format
++ == '%')
1790 /* Process a numeric arg and skip it. */
1791 minlen
= atoi (format
);
1796 while ((*format
>= '0' && *format
<= '9')
1797 || *format
== '-' || *format
== ' ' || *format
== '.')
1802 else if (++n
>= nargs
)
1803 error ("not enough arguments for format string");
1804 else if (*format
== 'S')
1806 /* For `S', prin1 the argument and then treat like a string. */
1807 register Lisp_Object tem
;
1808 tem
= Fprin1_to_string (args
[n
], Qnil
);
1812 else if (SYMBOLP (args
[n
]))
1814 XSETSTRING (args
[n
], XSYMBOL (args
[n
])->name
);
1817 else if (STRINGP (args
[n
]))
1820 if (*format
!= 's' && *format
!= 'S')
1821 error ("format specifier doesn't match argument type");
1822 total
+= XSTRING (args
[n
])->size
;
1824 /* Would get MPV otherwise, since Lisp_Int's `point' to low memory. */
1825 else if (INTEGERP (args
[n
]) && *format
!= 's')
1827 #ifdef LISP_FLOAT_TYPE
1828 /* The following loop assumes the Lisp type indicates
1829 the proper way to pass the argument.
1830 So make sure we have a flonum if the argument should
1832 if (*format
== 'e' || *format
== 'f' || *format
== 'g')
1833 args
[n
] = Ffloat (args
[n
]);
1837 #ifdef LISP_FLOAT_TYPE
1838 else if (FLOATP (args
[n
]) && *format
!= 's')
1840 if (! (*format
== 'e' || *format
== 'f' || *format
== 'g'))
1841 args
[n
] = Ftruncate (args
[n
]);
1847 /* Anything but a string, convert to a string using princ. */
1848 register Lisp_Object tem
;
1849 tem
= Fprin1_to_string (args
[n
], Qt
);
1856 register int nstrings
= n
+ 1;
1858 /* Allocate twice as many strings as we have %-escapes; floats occupy
1859 two slots, and we're not sure how many of those we have. */
1860 register unsigned char **strings
1861 = (unsigned char **) alloca (2 * nstrings
* sizeof (unsigned char *));
1865 for (n
= 0; n
< nstrings
; n
++)
1868 strings
[i
++] = (unsigned char *) "";
1869 else if (INTEGERP (args
[n
]))
1870 /* We checked above that the corresponding format effector
1871 isn't %s, which would cause MPV. */
1872 strings
[i
++] = (unsigned char *) XINT (args
[n
]);
1873 #ifdef LISP_FLOAT_TYPE
1874 else if (FLOATP (args
[n
]))
1876 union { double d
; int half
[2]; } u
;
1878 u
.d
= XFLOAT (args
[n
])->data
;
1879 strings
[i
++] = (unsigned char *) (EMACS_INT
) u
.half
[0];
1880 strings
[i
++] = (unsigned char *) (EMACS_INT
) u
.half
[1];
1884 strings
[i
++] = XSTRING (args
[n
])->data
;
1887 /* Format it in bigger and bigger buf's until it all fits. */
1890 buf
= (char *) alloca (total
+ 1);
1893 length
= doprnt (buf
, total
+ 1, strings
[0], end
, i
-1, strings
+ 1);
1894 if (buf
[total
- 1] == 0)
1902 return make_string (buf
, length
);
1908 format1 (string1
, arg0
, arg1
, arg2
, arg3
, arg4
)
1909 EMACS_INT arg0
, arg1
, arg2
, arg3
, arg4
;
1923 doprnt (buf
, sizeof buf
, string1
, 0, 5, args
);
1925 doprnt (buf
, sizeof buf
, string1
, 0, 5, &string1
+ 1);
1927 return build_string (buf
);
1930 DEFUN ("char-equal", Fchar_equal
, Schar_equal
, 2, 2, 0,
1931 "Return t if two characters match, optionally ignoring case.\n\
1932 Both arguments must be characters (i.e. integers).\n\
1933 Case is ignored if `case-fold-search' is non-nil in the current buffer.")
1935 register Lisp_Object c1
, c2
;
1937 unsigned char *downcase
= DOWNCASE_TABLE
;
1938 CHECK_NUMBER (c1
, 0);
1939 CHECK_NUMBER (c2
, 1);
1941 if (!NILP (current_buffer
->case_fold_search
)
1942 ? (downcase
[0xff & XFASTINT (c1
)] == downcase
[0xff & XFASTINT (c2
)]
1943 && (XFASTINT (c1
) & ~0xff) == (XFASTINT (c2
) & ~0xff))
1944 : XINT (c1
) == XINT (c2
))
1949 /* Transpose the markers in two regions of the current buffer, and
1950 adjust the ones between them if necessary (i.e.: if the regions
1953 Traverses the entire marker list of the buffer to do so, adding an
1954 appropriate amount to some, subtracting from some, and leaving the
1955 rest untouched. Most of this is copied from adjust_markers in insdel.c.
1957 It's the caller's job to see that (start1 <= end1 <= start2 <= end2). */
1960 transpose_markers (start1
, end1
, start2
, end2
)
1961 register int start1
, end1
, start2
, end2
;
1963 register int amt1
, amt2
, diff
, mpos
;
1964 register Lisp_Object marker
;
1966 /* Update point as if it were a marker. */
1970 TEMP_SET_PT (PT
+ (end2
- end1
));
1971 else if (PT
< start2
)
1972 TEMP_SET_PT (PT
+ (end2
- start2
) - (end1
- start1
));
1974 TEMP_SET_PT (PT
- (start2
- start1
));
1976 /* We used to adjust the endpoints here to account for the gap, but that
1977 isn't good enough. Even if we assume the caller has tried to move the
1978 gap out of our way, it might still be at start1 exactly, for example;
1979 and that places it `inside' the interval, for our purposes. The amount
1980 of adjustment is nontrivial if there's a `denormalized' marker whose
1981 position is between GPT and GPT + GAP_SIZE, so it's simpler to leave
1982 the dirty work to Fmarker_position, below. */
1984 /* The difference between the region's lengths */
1985 diff
= (end2
- start2
) - (end1
- start1
);
1987 /* For shifting each marker in a region by the length of the other
1988 * region plus the distance between the regions.
1990 amt1
= (end2
- start2
) + (start2
- end1
);
1991 amt2
= (end1
- start1
) + (start2
- end1
);
1993 for (marker
= BUF_MARKERS (current_buffer
); !NILP (marker
);
1994 marker
= XMARKER (marker
)->chain
)
1996 mpos
= Fmarker_position (marker
);
1997 if (mpos
>= start1
&& mpos
< end2
)
2001 else if (mpos
< start2
)
2005 if (mpos
> GPT
) mpos
+= GAP_SIZE
;
2006 XMARKER (marker
)->bufpos
= mpos
;
2011 DEFUN ("transpose-regions", Ftranspose_regions
, Stranspose_regions
, 4, 5, 0,
2012 "Transpose region START1 to END1 with START2 to END2.\n\
2013 The regions may not be overlapping, because the size of the buffer is\n\
2014 never changed in a transposition.\n\
2016 Optional fifth arg LEAVE_MARKERS, if non-nil, means don't transpose\n\
2017 any markers that happen to be located in the regions.\n\
2019 Transposing beyond buffer boundaries is an error.")
2020 (startr1
, endr1
, startr2
, endr2
, leave_markers
)
2021 Lisp_Object startr1
, endr1
, startr2
, endr2
, leave_markers
;
2023 register int start1
, end1
, start2
, end2
,
2024 gap
, len1
, len_mid
, len2
;
2025 unsigned char *start1_addr
, *start2_addr
, *temp
;
2027 #ifdef USE_TEXT_PROPERTIES
2028 INTERVAL cur_intv
, tmp_interval1
, tmp_interval_mid
, tmp_interval2
;
2029 cur_intv
= BUF_INTERVALS (current_buffer
);
2030 #endif /* USE_TEXT_PROPERTIES */
2032 validate_region (&startr1
, &endr1
);
2033 validate_region (&startr2
, &endr2
);
2035 start1
= XFASTINT (startr1
);
2036 end1
= XFASTINT (endr1
);
2037 start2
= XFASTINT (startr2
);
2038 end2
= XFASTINT (endr2
);
2041 /* Swap the regions if they're reversed. */
2044 register int glumph
= start1
;
2052 len1
= end1
- start1
;
2053 len2
= end2
- start2
;
2056 error ("transposed regions not properly ordered");
2057 else if (start1
== end1
|| start2
== end2
)
2058 error ("transposed region may not be of length 0");
2060 /* The possibilities are:
2061 1. Adjacent (contiguous) regions, or separate but equal regions
2062 (no, really equal, in this case!), or
2063 2. Separate regions of unequal size.
2065 The worst case is usually No. 2. It means that (aside from
2066 potential need for getting the gap out of the way), there also
2067 needs to be a shifting of the text between the two regions. So
2068 if they are spread far apart, we are that much slower... sigh. */
2070 /* It must be pointed out that the really studly thing to do would
2071 be not to move the gap at all, but to leave it in place and work
2072 around it if necessary. This would be extremely efficient,
2073 especially considering that people are likely to do
2074 transpositions near where they are working interactively, which
2075 is exactly where the gap would be found. However, such code
2076 would be much harder to write and to read. So, if you are
2077 reading this comment and are feeling squirrely, by all means have
2078 a go! I just didn't feel like doing it, so I will simply move
2079 the gap the minimum distance to get it out of the way, and then
2080 deal with an unbroken array. */
2082 /* Make sure the gap won't interfere, by moving it out of the text
2083 we will operate on. */
2084 if (start1
< gap
&& gap
< end2
)
2086 if (gap
- start1
< end2
- gap
)
2092 /* Hmmm... how about checking to see if the gap is large
2093 enough to use as the temporary storage? That would avoid an
2094 allocation... interesting. Later, don't fool with it now. */
2096 /* Working without memmove, for portability (sigh), so must be
2097 careful of overlapping subsections of the array... */
2099 if (end1
== start2
) /* adjacent regions */
2101 modify_region (current_buffer
, start1
, end2
);
2102 record_change (start1
, len1
+ len2
);
2104 #ifdef USE_TEXT_PROPERTIES
2105 tmp_interval1
= copy_intervals (cur_intv
, start1
, len1
);
2106 tmp_interval2
= copy_intervals (cur_intv
, start2
, len2
);
2107 Fset_text_properties (start1
, end2
, Qnil
, Qnil
);
2108 #endif /* USE_TEXT_PROPERTIES */
2110 /* First region smaller than second. */
2113 /* We use alloca only if it is small,
2114 because we want to avoid stack overflow. */
2116 temp
= (unsigned char *) xmalloc (len2
);
2118 temp
= (unsigned char *) alloca (len2
);
2120 /* Don't precompute these addresses. We have to compute them
2121 at the last minute, because the relocating allocator might
2122 have moved the buffer around during the xmalloc. */
2123 start1_addr
= BUF_CHAR_ADDRESS (current_buffer
, start1
);
2124 start2_addr
= BUF_CHAR_ADDRESS (current_buffer
, start2
);
2126 bcopy (start2_addr
, temp
, len2
);
2127 bcopy (start1_addr
, start1_addr
+ len2
, len1
);
2128 bcopy (temp
, start1_addr
, len2
);
2133 /* First region not smaller than second. */
2136 temp
= (unsigned char *) xmalloc (len1
);
2138 temp
= (unsigned char *) alloca (len1
);
2139 start1_addr
= BUF_CHAR_ADDRESS (current_buffer
, start1
);
2140 start2_addr
= BUF_CHAR_ADDRESS (current_buffer
, start2
);
2141 bcopy (start1_addr
, temp
, len1
);
2142 bcopy (start2_addr
, start1_addr
, len2
);
2143 bcopy (temp
, start1_addr
+ len2
, len1
);
2147 #ifdef USE_TEXT_PROPERTIES
2148 graft_intervals_into_buffer (tmp_interval1
, start1
+ len2
,
2149 len1
, current_buffer
, 0);
2150 graft_intervals_into_buffer (tmp_interval2
, start1
,
2151 len2
, current_buffer
, 0);
2152 #endif /* USE_TEXT_PROPERTIES */
2154 /* Non-adjacent regions, because end1 != start2, bleagh... */
2158 /* Regions are same size, though, how nice. */
2160 modify_region (current_buffer
, start1
, end1
);
2161 modify_region (current_buffer
, start2
, end2
);
2162 record_change (start1
, len1
);
2163 record_change (start2
, len2
);
2164 #ifdef USE_TEXT_PROPERTIES
2165 tmp_interval1
= copy_intervals (cur_intv
, start1
, len1
);
2166 tmp_interval2
= copy_intervals (cur_intv
, start2
, len2
);
2167 Fset_text_properties (start1
, end1
, Qnil
, Qnil
);
2168 Fset_text_properties (start2
, end2
, Qnil
, Qnil
);
2169 #endif /* USE_TEXT_PROPERTIES */
2172 temp
= (unsigned char *) xmalloc (len1
);
2174 temp
= (unsigned char *) alloca (len1
);
2175 start1_addr
= BUF_CHAR_ADDRESS (current_buffer
, start1
);
2176 start2_addr
= BUF_CHAR_ADDRESS (current_buffer
, start2
);
2177 bcopy (start1_addr
, temp
, len1
);
2178 bcopy (start2_addr
, start1_addr
, len2
);
2179 bcopy (temp
, start2_addr
, len1
);
2182 #ifdef USE_TEXT_PROPERTIES
2183 graft_intervals_into_buffer (tmp_interval1
, start2
,
2184 len1
, current_buffer
, 0);
2185 graft_intervals_into_buffer (tmp_interval2
, start1
,
2186 len2
, current_buffer
, 0);
2187 #endif /* USE_TEXT_PROPERTIES */
2190 else if (len1
< len2
) /* Second region larger than first */
2191 /* Non-adjacent & unequal size, area between must also be shifted. */
2193 len_mid
= start2
- end1
;
2194 modify_region (current_buffer
, start1
, end2
);
2195 record_change (start1
, (end2
- start1
));
2196 #ifdef USE_TEXT_PROPERTIES
2197 tmp_interval1
= copy_intervals (cur_intv
, start1
, len1
);
2198 tmp_interval_mid
= copy_intervals (cur_intv
, end1
, len_mid
);
2199 tmp_interval2
= copy_intervals (cur_intv
, start2
, len2
);
2200 Fset_text_properties (start1
, end2
, Qnil
, Qnil
);
2201 #endif /* USE_TEXT_PROPERTIES */
2203 /* holds region 2 */
2205 temp
= (unsigned char *) xmalloc (len2
);
2207 temp
= (unsigned char *) alloca (len2
);
2208 start1_addr
= BUF_CHAR_ADDRESS (current_buffer
, start1
);
2209 start2_addr
= BUF_CHAR_ADDRESS (current_buffer
, start2
);
2210 bcopy (start2_addr
, temp
, len2
);
2211 bcopy (start1_addr
, start1_addr
+ len_mid
+ len2
, len1
);
2212 safe_bcopy (start1_addr
+ len1
, start1_addr
+ len2
, len_mid
);
2213 bcopy (temp
, start1_addr
, len2
);
2216 #ifdef USE_TEXT_PROPERTIES
2217 graft_intervals_into_buffer (tmp_interval1
, end2
- len1
,
2218 len1
, current_buffer
, 0);
2219 graft_intervals_into_buffer (tmp_interval_mid
, start1
+ len2
,
2220 len_mid
, current_buffer
, 0);
2221 graft_intervals_into_buffer (tmp_interval2
, start1
,
2222 len2
, current_buffer
, 0);
2223 #endif /* USE_TEXT_PROPERTIES */
2226 /* Second region smaller than first. */
2228 len_mid
= start2
- end1
;
2229 record_change (start1
, (end2
- start1
));
2230 modify_region (current_buffer
, start1
, end2
);
2232 #ifdef USE_TEXT_PROPERTIES
2233 tmp_interval1
= copy_intervals (cur_intv
, start1
, len1
);
2234 tmp_interval_mid
= copy_intervals (cur_intv
, end1
, len_mid
);
2235 tmp_interval2
= copy_intervals (cur_intv
, start2
, len2
);
2236 Fset_text_properties (start1
, end2
, Qnil
, Qnil
);
2237 #endif /* USE_TEXT_PROPERTIES */
2239 /* holds region 1 */
2241 temp
= (unsigned char *) xmalloc (len1
);
2243 temp
= (unsigned char *) alloca (len1
);
2244 start1_addr
= BUF_CHAR_ADDRESS (current_buffer
, start1
);
2245 start2_addr
= BUF_CHAR_ADDRESS (current_buffer
, start2
);
2246 bcopy (start1_addr
, temp
, len1
);
2247 bcopy (start2_addr
, start1_addr
, len2
);
2248 bcopy (start1_addr
+ len1
, start1_addr
+ len2
, len_mid
);
2249 bcopy (temp
, start1_addr
+ len2
+ len_mid
, len1
);
2252 #ifdef USE_TEXT_PROPERTIES
2253 graft_intervals_into_buffer (tmp_interval1
, end2
- len1
,
2254 len1
, current_buffer
, 0);
2255 graft_intervals_into_buffer (tmp_interval_mid
, start1
+ len2
,
2256 len_mid
, current_buffer
, 0);
2257 graft_intervals_into_buffer (tmp_interval2
, start1
,
2258 len2
, current_buffer
, 0);
2259 #endif /* USE_TEXT_PROPERTIES */
2263 /* todo: this will be slow, because for every transposition, we
2264 traverse the whole friggin marker list. Possible solutions:
2265 somehow get a list of *all* the markers across multiple
2266 transpositions and do it all in one swell phoop. Or maybe modify
2267 Emacs' marker code to keep an ordered list or tree. This might
2268 be nicer, and more beneficial in the long run, but would be a
2269 bunch of work. Plus the way they're arranged now is nice. */
2270 if (NILP (leave_markers
))
2272 transpose_markers (start1
, end1
, start2
, end2
);
2273 fix_overlays_in_range (start1
, end2
);
2283 DEFVAR_LISP ("system-name", &Vsystem_name
,
2284 "The name of the machine Emacs is running on.");
2286 DEFVAR_LISP ("user-full-name", &Vuser_full_name
,
2287 "The full name of the user logged in.");
2289 DEFVAR_LISP ("user-name", &Vuser_name
,
2290 "The user's name, taken from environment variables if possible.");
2292 DEFVAR_LISP ("user-real-name", &Vuser_real_name
,
2293 "The user's name, based upon the real uid only.");
2295 defsubr (&Schar_equal
);
2296 defsubr (&Sgoto_char
);
2297 defsubr (&Sstring_to_char
);
2298 defsubr (&Schar_to_string
);
2299 defsubr (&Sbuffer_substring
);
2300 defsubr (&Sbuffer_string
);
2302 defsubr (&Spoint_marker
);
2303 defsubr (&Smark_marker
);
2305 defsubr (&Sregion_beginning
);
2306 defsubr (&Sregion_end
);
2307 /* defsubr (&Smark); */
2308 /* defsubr (&Sset_mark); */
2309 defsubr (&Ssave_excursion
);
2311 defsubr (&Sbufsize
);
2312 defsubr (&Spoint_max
);
2313 defsubr (&Spoint_min
);
2314 defsubr (&Spoint_min_marker
);
2315 defsubr (&Spoint_max_marker
);
2321 defsubr (&Sfollowing_char
);
2322 defsubr (&Sprevious_char
);
2323 defsubr (&Schar_after
);
2325 defsubr (&Sinsert_before_markers
);
2326 defsubr (&Sinsert_and_inherit
);
2327 defsubr (&Sinsert_and_inherit_before_markers
);
2328 defsubr (&Sinsert_char
);
2330 defsubr (&Suser_login_name
);
2331 defsubr (&Suser_real_login_name
);
2332 defsubr (&Suser_uid
);
2333 defsubr (&Suser_real_uid
);
2334 defsubr (&Suser_full_name
);
2335 defsubr (&Semacs_pid
);
2336 defsubr (&Scurrent_time
);
2337 defsubr (&Sformat_time_string
);
2338 defsubr (&Sdecode_time
);
2339 defsubr (&Sencode_time
);
2340 defsubr (&Scurrent_time_string
);
2341 defsubr (&Scurrent_time_zone
);
2342 defsubr (&Ssystem_name
);
2343 defsubr (&Smessage
);
2344 defsubr (&Smessage_box
);
2345 defsubr (&Smessage_or_box
);
2348 defsubr (&Sinsert_buffer_substring
);
2349 defsubr (&Scompare_buffer_substrings
);
2350 defsubr (&Ssubst_char_in_region
);
2351 defsubr (&Stranslate_region
);
2352 defsubr (&Sdelete_region
);
2354 defsubr (&Snarrow_to_region
);
2355 defsubr (&Ssave_restriction
);
2356 defsubr (&Stranspose_regions
);