#include <sys/types.h>
-#include "config.h"
+#include <config.h>
#ifdef VMS
#include "vms-pwd.h"
Lisp_Object Vsystem_name;
Lisp_Object Vuser_real_name; /* login name of current user ID */
Lisp_Object Vuser_full_name; /* full name of current user */
-Lisp_Object Vuser_name; /* user name from USER or LOGNAME. */
+Lisp_Object Vuser_name; /* user name from LOGNAME or USER */
void
init_editfns ()
/* Get the effective user name, by consulting environment variables,
or the effective uid if those are unset. */
- user_name = (char *) getenv ("USER");
+ user_name = (char *) getenv ("LOGNAME");
if (!user_name)
- user_name = (char *) getenv ("LOGNAME");
+ user_name = (char *) getenv ("USER");
if (!user_name)
{
pw = (struct passwd *) getpwuid (geteuid ());
region_limit (beginningp)
int beginningp;
{
+ extern Lisp_Object Vmark_even_if_inactive; /* Defined in callint.c. */
register Lisp_Object m;
- if (!NILP (Vtransient_mark_mode) && NILP (current_buffer->mark_active))
- error ("There is no region now");
+ if (!NILP (Vtransient_mark_mode) && NILP (Vmark_even_if_inactive)
+ && NILP (current_buffer->mark_active))
+ Fsignal (Qmark_inactive, Qnil);
m = Fmarker_position (current_buffer->mark);
if (NILP (m)) error ("There is no region now");
if ((point < XFASTINT (m)) == beginningp)
Fset_marker (current_buffer->mark, tem, Fcurrent_buffer ());
unchain_marker (tem);
tem = Fcdr (Fcdr (info));
+#if 0 /* We used to make the current buffer visible in the selected window
+ if that was true previously. That avoids some anomalies.
+ But it creates others, and it wasn't documented, and it is simpler
+ and cleaner never to alter the window/buffer connections. */
tem1 = Fcar (tem);
if (!NILP (tem1)
&& current_buffer != XBUFFER (XWINDOW (selected_window)->buffer))
Fswitch_to_buffer (Fcurrent_buffer (), Qnil);
+#endif /* 0 */
tem1 = current_buffer->mark_active;
current_buffer->mark_active = Fcdr (tem);
- if (! NILP (current_buffer->mark_active))
- call1 (Vrun_hooks, intern ("activate-mark-hook"));
- else if (! NILP (tem1))
- call1 (Vrun_hooks, intern ("deactivate-mark-hook"));
+ if (!NILP (Vrun_hooks))
+ {
+ if (! NILP (current_buffer->mark_active))
+ call1 (Vrun_hooks, intern ("activate-mark-hook"));
+ else if (! NILP (tem1))
+ call1 (Vrun_hooks, intern ("deactivate-mark-hook"));
+ }
return Qnil;
}
DEFUN ("point-min", Fpoint_min, Spoint_min, 0, 0, 0,
"Return the minimum permissible value of point in the current buffer.\n\
-This is 1, unless a clipping restriction is in effect.")
+This is 1, unless narrowing (a buffer restriction) is in effect.")
()
{
Lisp_Object temp;
DEFUN ("point-min-marker", Fpoint_min_marker, Spoint_min_marker, 0, 0, 0,
"Return a marker to the minimum permissible value of point in this buffer.\n\
-This is the beginning, unless a clipping restriction is in effect.")
+This is the beginning, unless narrowing (a buffer restriction) is in effect.")
()
{
return buildmark (BEGV);
DEFUN ("point-max", Fpoint_max, Spoint_max, 0, 0, 0,
"Return the maximum permissible value of point in the current buffer.\n\
-This is (1+ (buffer-size)), unless a clipping restriction is in effect,\n\
-in which case it is less.")
+This is (1+ (buffer-size)), unless narrowing (a buffer restriction)\n\
+is in effect, in which case it is less.")
()
{
Lisp_Object temp;
DEFUN ("point-max-marker", Fpoint_max_marker, Spoint_max_marker, 0, 0, 0,
"Return a marker to the maximum permissible value of point in this buffer.\n\
-This is (1+ (buffer-size)), unless a clipping restriction is in effect,\n\
-in which case it is less.")
+This is (1+ (buffer-size)), unless narrowing (a buffer restriction)\n\
+is in effect, in which case it is less.")
()
{
return buildmark (ZV);
DEFUN ("user-login-name", Fuser_login_name, Suser_login_name, 0, 0, 0,
"Return the name under which the user logged in, as a string.\n\
This is based on the effective uid, not the real uid.\n\
-Also, if the environment variable USER or LOGNAME is set,\n\
+Also, if the environment variable LOGNAME or USER is set,\n\
that determines the value of this function.")
()
{
DEFUN ("user-real-login-name", Fuser_real_login_name, Suser_real_login_name,
0, 0, 0,
"Return the name of the user's real uid, as a string.\n\
-Differs from `user-login-name' when running under `su'.")
+This ignores the environment variables LOGNAME and USER, so it differs from
+`user-login-name' when running under `su'.")
()
{
return Vuser_real_name;
return Vsystem_name;
}
+DEFUN ("emacs-pid", Femacs_pid, Semacs_pid, 0, 0, 0,
+ "Return the process ID of Emacs, as an integer.")
+ ()
+{
+ return make_number (getpid ());
+}
+
DEFUN ("current-time", Fcurrent_time, Scurrent_time, 0, 0, 0,
"Return the current time, as the number of seconds since 12:00 AM January 1970.\n\
The time is returned as a list of three integers. The first has the\n\
/* Yield A - B, measured in seconds. */
static long
-difftm(a, b)
+difftm (a, b)
struct tm *a, *b;
{
int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
- return
- (
- (
- (
- /* difference in day of year */
- a->tm_yday - b->tm_yday
- /* + intervening leap days */
- + ((ay >> 2) - (by >> 2))
- - (ay/100 - by/100)
- + ((ay/100 >> 2) - (by/100 >> 2))
- /* + difference in years * 365 */
- + (long)(ay-by) * 365
- )*24 + (a->tm_hour - b->tm_hour)
- )*60 + (a->tm_min - b->tm_min)
- )*60 + (a->tm_sec - b->tm_sec);
+ /* Some compilers can't handle this as a single return statement. */
+ int days = (
+ /* difference in day of year */
+ a->tm_yday - b->tm_yday
+ /* + intervening leap days */
+ + ((ay >> 2) - (by >> 2))
+ - (ay/100 - by/100)
+ + ((ay/100 >> 2) - (by/100 >> 2))
+ /* + difference in years * 365 */
+ + (long)(ay-by) * 365
+ );
+ return (60*(60*(24*days + (a->tm_hour - b->tm_hour))
+ + (a->tm_min - b->tm_min))
+ + (a->tm_sec - b->tm_sec));
}
DEFUN ("current-time-zone", Fcurrent_time_zone, Scurrent_time_zone, 0, 1, 0,
}
else if (XTYPE (tem) == Lisp_String)
{
- insert_from_string (tem, 0, XSTRING (tem)->size);
+ insert_from_string (tem, 0, XSTRING (tem)->size, 0);
+ }
+ else
+ {
+ tem = wrong_type_argument (Qchar_or_string_p, tem);
+ goto retry;
+ }
+ }
+
+ return Qnil;
+}
+
+DEFUN ("insert-and-inherit", Finsert_and_inherit, Sinsert_and_inherit,
+ 0, MANY, 0,
+ "Insert the arguments at point, inheriting properties from adjoining text.\n\
+Point moves forward so that it ends up after the inserted text.\n\
+Any other markers at the point of insertion remain before the text.")
+ (nargs, args)
+ int nargs;
+ register Lisp_Object *args;
+{
+ register int argnum;
+ register Lisp_Object tem;
+ char str[1];
+
+ for (argnum = 0; argnum < nargs; argnum++)
+ {
+ tem = args[argnum];
+ retry:
+ if (XTYPE (tem) == Lisp_Int)
+ {
+ str[0] = XINT (tem);
+ insert (str, 1);
+ }
+ else if (XTYPE (tem) == Lisp_String)
+ {
+ insert_from_string (tem, 0, XSTRING (tem)->size, 1);
}
else
{
}
else if (XTYPE (tem) == Lisp_String)
{
- insert_from_string_before_markers (tem, 0, XSTRING (tem)->size);
+ insert_from_string_before_markers (tem, 0, XSTRING (tem)->size, 0);
+ }
+ else
+ {
+ tem = wrong_type_argument (Qchar_or_string_p, tem);
+ goto retry;
+ }
+ }
+
+ return Qnil;
+}
+
+DEFUN ("insert-before-markers-and-inherit",
+ Finsert_and_inherit_before_markers, Sinsert_and_inherit_before_markers,
+ 0, MANY, 0,
+ "Insert text at point, relocating markers and inheriting properties.\n\
+Point moves forward so that it ends up after the inserted text.\n\
+Any other markers at the point of insertion also end up after the text.")
+ (nargs, args)
+ int nargs;
+ register Lisp_Object *args;
+{
+ register int argnum;
+ register Lisp_Object tem;
+ char str[1];
+
+ for (argnum = 0; argnum < nargs; argnum++)
+ {
+ tem = args[argnum];
+ retry:
+ if (XTYPE (tem) == Lisp_Int)
+ {
+ str[0] = XINT (tem);
+ insert_before_markers (str, 1);
+ }
+ else if (XTYPE (tem) == Lisp_String)
+ {
+ insert_from_string_before_markers (tem, 0, XSTRING (tem)->size, 1);
}
else
{
/* Return a Lisp_String containing the text of the current buffer from
START to END. If text properties are in use and the current buffer
- has properties in the range specifed, the resulting string will also
+ has properties in the range specified, the resulting string will also
have them.
We don't want to use plain old make_string here, because it calls
make_buffer_string (start, end)
int start, end;
{
- Lisp_Object result;
+ Lisp_Object result, tem;
if (start < GPT && GPT < end)
move_gap (start);
result = make_uninit_string (end - start);
bcopy (&FETCH_CHAR (start), XSTRING (result)->data, end - start);
- /* Only defined if Emacs is compiled with USE_TEXT_PROPERTIES */
- copy_intervals_to_string (result, current_buffer, start, end - start);
+ tem = Fnext_property_change (make_number (start), Qnil, make_number (end));
+
+#ifdef USE_TEXT_PROPERTIES
+ if (XINT (tem) != end)
+ copy_intervals_to_string (result, current_buffer, start, end - start);
+#endif
return result;
}
DEFUN ("insert-buffer-substring", Finsert_buffer_substring, Sinsert_buffer_substring,
1, 3, 0,
- "Insert before point a substring of the contents buffer BUFFER.\n\
+ "Insert before point a substring of the contents of buffer BUFFER.\n\
BUFFER may be a buffer or a buffer name.\n\
Arguments START and END are character numbers specifying the substring.\n\
They default to the beginning and the end of BUFFER.")
/* Only defined if Emacs is compiled with USE_TEXT_PROPERTIES */
graft_intervals_into_buffer (copy_intervals (bp->intervals, start, len),
- opoint, bp);
+ opoint, len, current_buffer, 0);
return Qnil;
}
Lisp_Object start, end, fromchar, tochar, noundo;
{
register int pos, stop, look;
+ int changed = 0;
validate_region (&start, &end);
CHECK_NUMBER (fromchar, 2);
stop = XINT (end);
look = XINT (fromchar);
- modify_region (current_buffer, pos, stop);
- if (! NILP (noundo))
- {
- if (MODIFF - 1 == current_buffer->save_modified)
- current_buffer->save_modified++;
- if (MODIFF - 1 == current_buffer->auto_save_modified)
- current_buffer->auto_save_modified++;
- }
-
while (pos < stop)
{
if (FETCH_CHAR (pos) == look)
{
+ if (! changed)
+ {
+ modify_region (current_buffer, XINT (start), stop);
+
+ if (! NILP (noundo))
+ {
+ if (MODIFF - 1 == current_buffer->save_modified)
+ current_buffer->save_modified++;
+ if (MODIFF - 1 == current_buffer->auto_save_modified)
+ current_buffer->auto_save_modified++;
+ }
+
+ changed = 1;
+ }
+
if (NILP (noundo))
record_change (pos, 1);
FETCH_CHAR (pos) = XINT (tochar);
- if (NILP (noundo))
- signal_after_change (pos, 1, 1);
}
pos++;
}
+ if (changed)
+ signal_after_change (XINT (start),
+ stop - XINT (start), stop - XINT (start));
+
return Qnil;
}
return unbind_to (count, val);
}
\f
+/* Buffer for the most recent text displayed by Fmessage. */
+static char *message_text;
+
+/* Allocated length of that buffer. */
+static int message_length;
+
DEFUN ("message", Fmessage, Smessage, 1, MANY, 0,
"Print a one-line message at the bottom of the screen.\n\
The first argument is a control string.\n\
{
register Lisp_Object val;
val = Fformat (nargs, args);
- message ("%s", XSTRING (val)->data);
+ /* Copy the data so that it won't move when we GC. */
+ if (! message_text)
+ {
+ message_text = (char *)xmalloc (80);
+ message_length = 80;
+ }
+ if (XSTRING (val)->size > message_length)
+ {
+ message_length = XSTRING (val)->size;
+ message_text = (char *)xrealloc (message_text, message_length);
+ }
+ bcopy (XSTRING (val)->data, message_text, XSTRING (val)->size);
+ message2 (message_text, XSTRING (val)->size);
return val;
}
}
if (*format == '%')
format++;
else if (++n >= nargs)
- ;
+ error ("format string wants too many arguments");
else if (*format == 'S')
{
/* For `S', prin1 the argument and then treat like a string. */
else if (XTYPE (args[n]) == Lisp_String)
{
string:
+ if (*format != 's' && *format != 'S')
+ error ("format specifier doesn't match argument type");
total += XSTRING (args[n])->size;
}
/* Would get MPV otherwise, since Lisp_Int's `point' to low memory. */
else if (XTYPE (args[n]) == Lisp_Int && *format != 's')
{
#ifdef LISP_FLOAT_TYPE
- /* The following loop issumes the Lisp type indicates
+ /* The following loop assumes the Lisp type indicates
the proper way to pass the argument.
So make sure we have a flonum if the argument should
be a double. */
{
register int nstrings = n + 1;
+
+ /* Allocate twice as many strings as we have %-escapes; floats occupy
+ two slots, and we're not sure how many of those we have. */
register unsigned char **strings
- = (unsigned char **) alloca (nstrings * sizeof (unsigned char *));
+ = (unsigned char **) alloca (2 * nstrings * sizeof (unsigned char *));
+ int i;
+ i = 0;
for (n = 0; n < nstrings; n++)
{
if (n >= nargs)
- strings[n] = (unsigned char *) "";
+ strings[i++] = (unsigned char *) "";
else if (XTYPE (args[n]) == Lisp_Int)
/* We checked above that the corresponding format effector
isn't %s, which would cause MPV. */
- strings[n] = (unsigned char *) XINT (args[n]);
+ strings[i++] = (unsigned char *) XINT (args[n]);
#ifdef LISP_FLOAT_TYPE
else if (XTYPE (args[n]) == Lisp_Float)
{
union { double d; int half[2]; } u;
u.d = XFLOAT (args[n])->data;
- strings[n++] = (unsigned char *) u.half[0];
- strings[n] = (unsigned char *) u.half[1];
+ strings[i++] = (unsigned char *) u.half[0];
+ strings[i++] = (unsigned char *) u.half[1];
}
#endif
else
- strings[n] = XSTRING (args[n])->data;
+ strings[i++] = XSTRING (args[n])->data;
}
/* Format it in bigger and bigger buf's until it all fits. */
buf = (char *) alloca (total + 1);
buf[total - 1] = 0;
- length = doprnt (buf, total + 1, strings[0], end, nargs, strings + 1);
+ length = doprnt (buf, total + 1, strings[0], end, i-1, strings + 1);
if (buf[total - 1] == 0)
break;
void
syms_of_editfns ()
{
- DEFVAR_LISP ("system-name", &Vsystem_name,
- "The name of the machine Emacs is running on.");
-
- DEFVAR_LISP ("user-full-name", &Vuser_full_name,
- "The full name of the user logged in.");
-
- DEFVAR_LISP ("user-name", &Vuser_name,
- "The user's name, based on the effective uid.");
-
- DEFVAR_LISP ("user-real-name", &Vuser_real_name,
- "The user's name, base upon the real uid.");
+ staticpro (&Vuser_name);
+ staticpro (&Vuser_full_name);
+ staticpro (&Vuser_real_name);
+ staticpro (&Vsystem_name);
defsubr (&Schar_equal);
defsubr (&Sgoto_char);
defsubr (&Schar_after);
defsubr (&Sinsert);
defsubr (&Sinsert_before_markers);
+ defsubr (&Sinsert_and_inherit);
+ defsubr (&Sinsert_and_inherit_before_markers);
defsubr (&Sinsert_char);
defsubr (&Suser_login_name);
defsubr (&Suser_uid);
defsubr (&Suser_real_uid);
defsubr (&Suser_full_name);
+ defsubr (&Semacs_pid);
defsubr (&Scurrent_time);
defsubr (&Scurrent_time_string);
defsubr (&Scurrent_time_zone);
HCoop / bpt / emacs.git / blobdiff