/* Fully extensible Emacs, running on Unix, intended for GNU.
- Copyright (C) 1985, 1986, 1987, 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#include <signal.h>
#include <ssdef.h>
#endif
-#ifdef BSD
+#ifdef BSD_SYSTEM
#include <sys/ioctl.h>
#endif
-#ifdef APOLLO
-#ifndef APOLLO_SR10
-#include <default_acl.h>
-#endif
-#endif
-
#include "lisp.h"
#include "commands.h"
#include "intervals.h"
#include "systty.h"
+#include "blockinput.h"
#include "syssignal.h"
#include "process.h"
+#ifdef HAVE_SETRLIMIT
+#include <sys/time.h>
+#include <sys/resource.h>
+#endif
+
#ifndef O_RDWR
#define O_RDWR 2
#endif
extern void malloc_warning ();
+extern void set_time_zone_rule ();
extern char *index ();
extern char *strerror ();
on subsequent starts. */
int initialized;
+#ifdef DOUG_LEA_MALLOC
+/* Preserves a pointer to the memory allocated that copies that
+ static data inside glibc's malloc. */
+void *malloc_state_ptr;
+/* From glibc, a routine that returns a copy of the malloc internal state. */
+extern void *malloc_get_state ();
+/* From glibc, a routine that overwrites the malloc internal state. */
+extern void malloc_set_state ();
+#endif
+
/* Variable whose value is symbol giving operating system type. */
Lisp_Object Vsystem_type;
for use when reporting bugs. */
Lisp_Object Vsystem_configuration_options;
+Lisp_Object Qfile_name_handler_alist;
+
/* If non-zero, emacs should not attempt to use an window-specific code,
but instead should use the virtual terminal under which it was started */
int inhibit_window_system;
priority; Those functions have their own extern declaration. */
int emacs_priority;
+/* If non-zero a filter or a sentinel is running. Tested to save the match
+ data on the first attempt to change it inside asynchronous code. */
+int running_asynch_code;
+
#ifdef BSD_PGRPS
/* See sysdep.c. */
extern int inherited_pgroup;
Tells GC how to save a copy of the stack. */
char *stack_bottom;
-#ifdef HAVE_X_WINDOWS
+#ifdef HAVE_WINDOW_SYSTEM
extern Lisp_Object Vwindow_system;
-#endif /* HAVE_X_WINDOWS */
+#endif /* HAVE_WINDOW_SYSTEM */
+
+extern Lisp_Object Vauto_save_list_file_name;
#ifdef USG_SHARED_LIBRARIES
/* If nonzero, this is the place to put the end of the writable segment
/* Save argv and argc. */
char **initial_argv;
int initial_argc;
+
+static void sort_args ();
\f
/* Signal code for the fatal signal that was received */
int fatal_error_code;
fatal_error_code = sig;
signal (sig, SIG_DFL);
+ TOTALLY_UNBLOCK_INPUT;
+
/* If fatal error occurs in code below, avoid infinite recursion. */
if (! fatal_error_in_progress)
{
int skip_args;
{
register int i;
- Lisp_Object name, dir;
+ Lisp_Object name, dir, tem;
+ int count = specpdl_ptr - specpdl;
+ Lisp_Object raw_name;
initial_argv = argv;
initial_argc = argc;
- Vinvocation_name = Ffile_name_nondirectory (build_string (argv[0]));
- Vinvocation_directory = Ffile_name_directory (build_string (argv[0]));
+ raw_name = build_string (argv[0]);
+
+ /* Add /: to the front of the name
+ if it would otherwise be treated as magic. */
+ tem = Ffind_file_name_handler (raw_name, Qt);
+ if (! NILP (tem))
+ raw_name = concat2 (build_string ("/:"), raw_name);
+
+ Vinvocation_name = Ffile_name_nondirectory (raw_name);
+ Vinvocation_directory = Ffile_name_directory (raw_name);
+
/* If we got no directory in argv[0], search PATH to find where
Emacs actually came from. */
if (NILP (Vinvocation_directory))
int yes = openp (Vexec_path, Vinvocation_name,
EXEC_SUFFIXES, &found, 1);
if (yes == 1)
- Vinvocation_directory = Ffile_name_directory (found);
+ {
+ /* Add /: to the front of the name
+ if it would otherwise be treated as magic. */
+ tem = Ffind_file_name_handler (found, Qt);
+ if (! NILP (tem))
+ found = concat2 (build_string ("/:"), found);
+ Vinvocation_directory = Ffile_name_directory (found);
+ }
}
+ if (!NILP (Vinvocation_directory)
+ && NILP (Ffile_name_absolute_p (Vinvocation_directory)))
+ /* Emacs was started with relative path, like ./emacs.
+ Make it absolute. */
+ Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil);
+
Vinstallation_directory = Qnil;
if (!NILP (Vinvocation_directory))
not including lisp and info. */
tem = Fexpand_file_name (build_string ("lib-src"), dir);
lib_src_exists = Ffile_exists_p (tem);
- if (!NILP (lib_src_exists))
+
+#ifdef MSDOS
+ /* MSDOS installations frequently remove lib-src, but we still
+ must set installation-directory, or else info won't find
+ its files (it uses the value of installation-directory). */
+ tem = Fexpand_file_name (build_string ("info"), dir);
+ info_exists = Ffile_exists_p (tem);
+#else
+ info_exists = Qnil;
+#endif
+
+ if (!NILP (lib_src_exists) || !NILP (info_exists))
{
tem = Fexpand_file_name (build_string ("etc"), dir);
etc_exists = Ffile_exists_p (tem);
/* See if dir's parent contains those subdirs. */
tem = Fexpand_file_name (build_string ("../lib-src"), dir);
lib_src_exists = Ffile_exists_p (tem);
- if (!NILP (lib_src_exists))
+
+
+#ifdef MSDOS
+ /* See the MSDOS commentary above. */
+ tem = Fexpand_file_name (build_string ("../info"), dir);
+ info_exists = Ffile_exists_p (tem);
+#else
+ info_exists = Qnil;
+#endif
+
+ if (!NILP (lib_src_exists) || !NILP (info_exists))
{
tem = Fexpand_file_name (build_string ("../etc"), dir);
etc_exists = Ffile_exists_p (tem);
Vcommand_line_args
= Fcons (build_string (argv[i]), Vcommand_line_args);
}
+
+ unbind_to (count, Qnil);
}
DEFUN ("invocation-name", Finvocation_name, Sinvocation_name, 0, 0, 0,
\f
#ifdef VMS
#ifdef LINK_CRTL_SHARE
-#ifdef SHAREABLE_LIB_BUG
+#ifdef SHARABLE_LIB_BUG
extern noshare char **environ;
-#endif /* SHAREABLE_LIB_BUG */
+#endif /* SHARABLE_LIB_BUG */
#endif /* LINK_CRTL_SHARE */
#endif /* VMS */
+#ifdef HAVE_TZSET
+/* A valid but unlikely value for the TZ environment value.
+ It is OK (though a bit slower) if the user actually chooses this value. */
+static char dump_tz[] = "UtC0";
+#endif
+
#ifndef ORDINARY_LINK
/* We don't include crtbegin.o and crtend.o in the link,
so these functions and variables might be missed.
Too bad we can't just use getopt for all of this, but we don't have
enough information to do it right. */
+
static int
-argmatch (argv, sstr, lstr, minlen, valptr, skipptr)
+argmatch (argv, argc, sstr, lstr, minlen, valptr, skipptr)
char **argv;
+ int argc;
char *sstr;
char *lstr;
int minlen;
{
char *p;
int arglen;
- char *arg = argv[*skipptr+1];
+ char *arg;
+
+ /* Don't access argv[argc]; give up in advance. */
+ if (argc <= *skipptr + 1)
+ return 0;
+
+ arg = argv[*skipptr+1];
if (arg == NULL)
return 0;
if (strcmp (arg, sstr) == 0)
}
arglen = (valptr != NULL && (p = index (arg, '=')) != NULL
? p - arg : strlen (arg));
- if (arglen < minlen || strncmp (arg, lstr, arglen) != 0)
+ if (lstr == 0 || arglen < minlen || strncmp (arg, lstr, arglen) != 0)
return 0;
else if (valptr == NULL)
{
int skip_args = 0;
extern int errno;
extern sys_nerr;
+#ifdef HAVE_SETRLIMIT
+ struct rlimit rlim;
+#endif
+
+#ifdef LINUX_SBRK_BUG
+ __sbrk (1);
+#endif
+
+#ifdef DOUG_LEA_MALLOC
+ if (initialized)
+ {
+ malloc_set_state (malloc_state_ptr);
+ free (malloc_state_ptr);
+ r_alloc_reinit ();
+ }
+#endif
+
+#ifdef RUN_TIME_REMAP
+ if (initialized)
+ run_time_remap (argv[0]);
+#endif
+
+ sort_args (argc, argv);
+
+ if (argmatch (argv, argc, "-version", "--version", 3, NULL, &skip_args))
+ {
+ Lisp_Object tem;
+ tem = Fsymbol_value (intern ("emacs-version"));
+ if (!STRINGP (tem))
+ {
+ fprintf (stderr, "Invalid value of `emacs-version'\n");
+ exit (1);
+ }
+ else
+ {
+ printf ("GNU Emacs %s\n", XSTRING (tem)->data);
+ printf ("Copyright (C) 1997 Free Software Foundation, Inc.\n");
+ printf ("GNU Emacs comes with ABSOLUTELY NO WARRANTY.\n");
+ printf ("You may redistribute copies of Emacs\n");
+ printf ("under the terms of the GNU General Public License.\n");
+ printf ("For more information about these matters, ");
+ printf ("see the files named COPYING.\n");
+ exit (0);
+ }
+ }
/* Map in shared memory, if we are using that. */
#ifdef HAVE_SHM
- if (argmatch (argv, "-nl", "--no-shared-memory", 6, NULL, &skip_args))
+ if (argmatch (argv, argc, "-nl", "--no-shared-memory", 6, NULL, &skip_args))
{
map_in_data (0);
/* The shared memory was just restored, which clobbered this. */
#endif
#ifdef NeXT
- extern int malloc_cookie;
-
- /* This helps out unexnext.c. */
- if (initialized)
- if (malloc_jumpstart (malloc_cookie) != 0)
- printf ("malloc jumpstart failed!\n");
-#endif /* NeXT */
-
-#ifdef HAVE_X_WINDOWS
- /* Stupid kludge to catch command-line display spec. We can't
- handle this argument entirely in window system dependent code
- because we don't even know which window system dependent code
- to run until we've recognized this argument. */
{
- int i;
-
- /* We don't check for a long option --display here, since the X code
- won't be able to recognize that form anyway. */
- for (i = 1; (i < argc && ! display_arg); i++)
- if (!strcmp (argv[i], "-d") || !strcmp (argv[i], "-display"))
- display_arg = 1;
+ extern int malloc_cookie;
+ /* This helps out unexnext.c. */
+ if (initialized)
+ if (malloc_jumpstart (malloc_cookie) != 0)
+ printf ("malloc jumpstart failed!\n");
}
-#endif
+#endif /* NeXT */
#ifdef VMS
/* If -map specified, map the data file in */
{
char *file;
- if (argmatch (argv, "-map", "--map-data", 3, &mapin_file, &skip_args))
+ if (argmatch (argv, argc, "-map", "--map-data", 3, &mapin_file, &skip_args))
mapin_data (file);
}
#ifdef LINK_CRTL_SHARE
-#ifdef SHAREABLE_LIB_BUG
+#ifdef SHARABLE_LIB_BUG
/* Bletcherous shared libraries! */
if (!stdin)
stdin = fdopen (0, "r");
stderr = fdopen (2, "w");
if (!environ)
environ = envp;
-#endif /* SHAREABLE_LIB_BUG */
+#endif /* SHARABLE_LIB_BUG */
#endif /* LINK_CRTL_SHARE */
#endif /* VMS */
+#if defined (HAVE_SETRLIMIT) && defined (RLIMIT_STACK)
+ /* Extend the stack space available.
+ Don't do that if dumping, since some systems (e.g. DJGPP)
+ might define a smaller stack limit at that time. */
+ if (1
+#ifndef CANNOT_DUMP
+ && (!noninteractive || initialized)
+#endif
+ && !getrlimit (RLIMIT_STACK, &rlim))
+ {
+ long newlim;
+ extern int re_max_failures;
+ /* Approximate the amount regex.c needs, plus some more. */
+ newlim = re_max_failures * 2 * 20 * sizeof (char *);
+#ifdef __NetBSD__
+ /* NetBSD (at least NetBSD 1.2G and former) has a bug in its
+ stack allocation routine for new process that the allocation
+ fails if stack limit is not on page boundary. So, round up the
+ new limit to page boundary. */
+ newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize();
+#endif
+ if (newlim > rlim.rlim_max)
+ {
+ newlim = rlim.rlim_max;
+ /* Don't let regex.c overflow the stack. */
+ re_max_failures = newlim / (2 * 20 * sizeof (char *));
+ }
+ if (rlim.rlim_cur < newlim)
+ rlim.rlim_cur = newlim;
+
+ setrlimit (RLIMIT_STACK, &rlim);
+ }
+#endif /* HAVE_SETRLIMIT and RLIMIT_STACK */
+
/* Record (approximately) where the stack begins. */
stack_bottom = &stack_bottom_variable;
-#ifdef RUN_TIME_REMAP
- if (initialized)
- run_time_remap (argv[0]);
-#endif
-
#ifdef USG_SHARED_LIBRARIES
if (bss_end)
- brk (bss_end);
+ brk ((void *)bss_end);
#endif
clearerr (stdin);
-#ifdef APOLLO
-#ifndef APOLLO_SR10
- /* If USE_DOMAIN_ACLS environment variable exists,
- use ACLs rather than UNIX modes. */
- if (egetenv ("USE_DOMAIN_ACLS"))
- default_acl (USE_DEFACL);
-#endif
-#endif /* APOLLO */
-
#ifndef SYSTEM_MALLOC
if (! initialized)
{
/* We do all file input/output as binary files. When we need to translate
newlines, we do that manually. */
_fmode = O_BINARY;
+
+#if __DJGPP__ >= 2
+ if (!isatty (fileno (stdin)))
+ setmode (fileno (stdin), O_BINARY);
+ if (!isatty (fileno (stdout)))
+ {
+ fflush (stdout);
+ setmode (fileno (stdout), O_BINARY);
+ }
+#else /* not __DJGPP__ >= 2 */
(stdin)->_flag &= ~_IOTEXT;
(stdout)->_flag &= ~_IOTEXT;
(stderr)->_flag &= ~_IOTEXT;
+#endif /* not __DJGPP__ >= 2 */
#endif /* MSDOS */
#ifdef SET_EMACS_PRIORITY
/* Handle the -t switch, which specifies filename to use as terminal */
{
char *term;
- if (argmatch (argv, "-t", "--terminal", 4, &term, &skip_args))
+ if (argmatch (argv, argc, "-t", "--terminal", 4, &term, &skip_args))
{
int result;
close (0);
exit (1);
}
fprintf (stderr, "Using %s\n", term);
-#ifdef HAVE_X_WINDOWS
+#ifdef HAVE_WINDOW_SYSTEM
inhibit_window_system = 1; /* -t => -nw */
#endif
}
}
- if (argmatch (argv, "-nw", "--no-windows", 6, NULL, &skip_args))
+ if (argmatch (argv, argc, "-nw", "--no-windows", 6, NULL, &skip_args))
inhibit_window_system = 1;
/* Handle the -batch switch, which means don't do interactive display. */
noninteractive = 0;
- if (argmatch (argv, "-batch", "--batch", 5, NULL, &skip_args))
+ if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args))
noninteractive = 1;
/* Handle the --help option, which gives a usage message.. */
- if (argmatch (argv, "-help", "--help", 3, NULL, &skip_args))
+ if (argmatch (argv, argc, "-help", "--help", 3, NULL, &skip_args))
{
printf ("\
Usage: %s [-t term] [--terminal term] [-nw] [--no-windows] [--batch]\n\
[-q] [--no-init-file] [-u user] [--user user] [--debug-init]\n\
-\(Arguments above this line must be first; those below may be in any order)\n\
+ [--version] [--no-site-file]\n\
[-f func] [--funcall func] [-l file] [--load file] [--insert file]\n\
- file-to-visit [--kill]\n", argv[0]);
+ [+linenum] file-to-visit [--kill]\n\
+Report bugs to bug-gnu-emacs@prep.ai.mit.edu. First, please see\n\
+the Bugs section of the Emacs manual or the file BUGS.\n", argv[0]);
exit (0);
}
+#ifdef HAVE_X_WINDOWS
+ /* Stupid kludge to catch command-line display spec. We can't
+ handle this argument entirely in window system dependent code
+ because we don't even know which window system dependent code
+ to run until we've recognized this argument. */
+ {
+ char *displayname = 0;
+ int i;
+ int count_before = skip_args;
+
+ if (argmatch (argv, argc, "-d", "--display", 3, &displayname, &skip_args))
+ display_arg = 1;
+ else if (argmatch (argv, argc, "-display", 0, 3, &displayname, &skip_args))
+ display_arg = 1;
+
+ /* If we have the form --display=NAME,
+ convert it into -d name.
+ This requires inserting a new element into argv. */
+ if (displayname != 0 && skip_args - count_before == 1)
+ {
+ char **new = (char **) xmalloc (sizeof (char *) * (argc + 2));
+ int j;
+
+ for (j = 0; j < count_before + 1; j++)
+ new[j] = argv[j];
+ new[count_before + 1] = "-d";
+ new[count_before + 2] = displayname;
+ for (j = count_before + 2; j <argc; j++)
+ new[j + 1] = argv[j];
+ argv = new;
+ argc++;
+ }
+ /* Change --display to -d, when its arg is separate. */
+ else if (displayname != 0 && skip_args > count_before
+ && argv[count_before + 1][1] == '-')
+ argv[count_before + 1] = "-d";
+
+ /* Don't actually discard this arg. */
+ skip_args = count_before;
+ }
+#endif
+
if (! noninteractive)
{
#ifdef BSD_PGRPS
init_signals ();
#endif
+ /* Don't catch SIGHUP if dumping. */
+ if (1
+#ifndef CANNOT_DUMP
+ && initialized
+#endif
+ )
+ {
+ sigblock (sigmask (SIGHUP));
+ /* In --batch mode, don't catch SIGHUP if already ignored.
+ That makes nohup work. */
+ if (! noninteractive
+ || signal (SIGHUP, SIG_IGN) != SIG_IGN)
+ signal (SIGHUP, fatal_error_signal);
+ sigunblock (sigmask (SIGHUP));
+ }
+
if (
#ifndef CANNOT_DUMP
! noninteractive || initialized
#endif
)
{
- /* Don't catch these signals in batch mode if not initialized.
+ /* Don't catch these signals in batch mode if dumping.
On some machines, this sets static data that would make
signal fail to work right when the dumped Emacs is run. */
- signal (SIGHUP, fatal_error_signal);
signal (SIGQUIT, fatal_error_signal);
signal (SIGILL, fatal_error_signal);
signal (SIGTRAP, fatal_error_signal);
+#ifdef SIGABRT
+ signal (SIGABRT, fatal_error_signal);
+#endif
+#ifdef SIGHWE
+ signal (SIGHWE, fatal_error_signal);
+#endif
+#ifdef SIGPRE
+ signal (SIGPRE, fatal_error_signal);
+#endif
+#ifdef SIGORE
+ signal (SIGORE, fatal_error_signal);
+#endif
+#ifdef SIGUME
+ signal (SIGUME, fatal_error_signal);
+#endif
+#ifdef SIGDLK
+ signal (SIGDLK, fatal_error_signal);
+#endif
+#ifdef SIGCPULIM
+ signal (SIGCPULIM, fatal_error_signal);
+#endif
#ifdef SIGIOT
/* This is missing on some systems - OS/2, for example. */
signal (SIGIOT, fatal_error_signal);
init_alloc_once ();
init_obarray ();
init_eval_once ();
+ init_charset_once ();
+ init_coding_once ();
init_syntax_once (); /* Create standard syntax table. */
+ init_category_once (); /* Create standard category table. */
/* Must be done before init_buffer */
init_casetab_once ();
init_buffer_once (); /* Create buffer table and some buffers */
init_alloc ();
init_eval ();
init_data ();
+ running_asynch_code = 0;
#ifdef MSDOS
/* Call early 'cause init_environment needs it. */
init_dosfns ();
/* Set defaults for several environment variables. */
- if (initialized) init_environment (argc, argv, skip_args);
+ if (initialized)
+ init_environment (argc, argv, skip_args);
+ else
+ tzset ();
+#endif /* MSDOS */
+
+#ifdef WINDOWSNT
+ /* Initialize environment from registry settings. */
+ init_environment ();
+ init_ntproc (); /* must precede init_editfns */
#endif
/* egetenv is a pretty low-level facility, which may get called in
init_callproc_1 (); /* Must precede init_cmdargs and init_sys_modes. */
init_cmdargs (argc, argv, skip_args); /* Must precede init_lread. */
+
+ if (initialized)
+ {
+ /* Erase any pre-dump messages in the message log, to avoid confusion */
+ Lisp_Object old_log_max;
+ old_log_max = Vmessage_log_max;
+ XSETFASTINT (Vmessage_log_max, 0);
+ message_dolog ("", 0, 1);
+ Vmessage_log_max = old_log_max;
+ }
+
init_callproc (); /* Must follow init_cmdargs but not init_sys_modes. */
init_lread ();
init_vmsfns ();
#endif /* VMS */
init_process ();
-#ifdef CLASH_DETECTION
- init_filelock ();
-#endif /* CLASH_DETECTION */
/* Intern the names of all standard functions and variables; define standard keys */
syms_of_casefiddle ();
syms_of_casetab ();
syms_of_callproc ();
+ syms_of_category ();
+ syms_of_ccl ();
+ syms_of_charset ();
syms_of_cmds ();
#ifndef NO_DIR_LIBRARY
syms_of_dired ();
syms_of_editfns ();
syms_of_emacs ();
syms_of_fileio ();
+ syms_of_coding (); /* This should be after syms_of_fileio. */
#ifdef CLASH_DETECTION
syms_of_filelock ();
#endif /* CLASH_DETECTION */
syms_of_indent ();
+ syms_of_insdel ();
syms_of_keyboard ();
syms_of_keymap ();
syms_of_macros ();
#ifdef VMS
syms_of_vmsproc ();
#endif /* VMS */
+#ifdef WINDOWSNT
+ syms_of_ntproc ();
+#endif /* WINDOWSNT */
syms_of_window ();
syms_of_xdisp ();
#ifdef HAVE_X_WINDOWS
syms_of_xterm ();
syms_of_xfns ();
- syms_of_xfaces ();
+ syms_of_fontset ();
#ifdef HAVE_X11
syms_of_xselect ();
#endif
-#ifdef HAVE_X_MENU
- syms_of_xmenu ();
-#endif /* HAVE_X_MENU */
#endif /* HAVE_X_WINDOWS */
+#ifndef HAVE_NTGUI
+ syms_of_xfaces ();
+ syms_of_xmenu ();
+#endif
+
+#ifdef HAVE_NTGUI
+ syms_of_w32term ();
+ syms_of_w32fns ();
+ syms_of_w32faces ();
+ syms_of_w32select ();
+ syms_of_w32menu ();
+#endif /* HAVE_NTGUI */
+
#ifdef SYMS_SYSTEM
SYMS_SYSTEM;
#endif
{
char *file;
/* Handle -l loadup-and-dump, args passed by Makefile. */
- if (argmatch (argv, "-l", "--load", 3, &file, &skip_args))
+ if (argmatch (argv, argc, "-l", "--load", 3, &file, &skip_args))
Vtop_level = Fcons (intern ("load"),
Fcons (build_string (file), Qnil));
#ifdef CANNOT_DUMP
/* Unless next switch is -nl, load "loadup.el" first thing. */
- if (!argmatch (argv, "-nl", "--no-loadup", 6, NULL, &skip_args))
+ if (!argmatch (argv, argc, "-nl", "--no-loadup", 6, NULL, &skip_args))
Vtop_level = Fcons (intern ("load"),
Fcons (build_string ("loadup.el"), Qnil));
#endif /* CANNOT_DUMP */
}
+ if (initialized)
+ {
+#ifdef HAVE_TZSET
+ {
+ /* If the execution TZ happens to be the same as the dump TZ,
+ change it to some other value and then change it back,
+ to force the underlying implementation to reload the TZ info.
+ This is needed on implementations that load TZ info from files,
+ since the TZ file contents may differ between dump and execution. */
+ char *tz = getenv ("TZ");
+ if (tz && !strcmp (tz, dump_tz))
+ {
+ ++*tz;
+ tzset ();
+ --*tz;
+ }
+ }
+#endif
+ }
+
+ /* Gerd Moellmann <gerd@acm.org> says this makes profiling work on
+ FreeBSD. It might work on some other systems too.
+ Give it a try and tell me if it works on your system. */
+#ifdef __FreeBSD__
+#ifdef PROFILING
+ if (initialized)
+ {
+ extern void _mcleanup ();
+ extern char etext;
+ extern Lisp_Object Fredraw_frame ();
+ atexit (_mcleanup);
+ /* This uses Fredraw_frame because that function
+ comes first in the Emacs executable.
+ It might be better to use something that gives
+ the start of the text segment, but start_of_text
+ is not defined on all systems now. */
+ monstartup (Fredraw_frame, &etext);
+ }
+ else
+ moncontrol (0);
+#endif
+#endif
+
initialized = 1;
-#if defined (sun) || defined (LOCALTIME_CACHE)
- /* sun's localtime has a bug. it caches the value of the time
+#ifdef LOCALTIME_CACHE
+ /* Some versions of localtime have a bug. They cache the value of the time
zone rather than looking it up every time. Since localtime() is
called to bolt the undumping time into the undumped emacs, this
results in localtime ignoring the TZ environment variable.
This flushes the new TZ value into localtime. */
tzset ();
-#endif /* defined (sun) || defined (LOCALTIME_CACHE) */
-
- /* Handle the GNU standard option --version. */
- if (argmatch (argv, "-version", "--version", 3, NULL, &skip_args))
- {
- Lisp_Object ver;
- ver = call0 (intern ("emacs-version"));
- if (STRINGP (ver))
- printf ("%s\n", XSTRING (ver)->data);
- exit (0);
- }
+#endif /* defined (LOCALTIME_CACHE) */
/* Enter editor command loop. This never returns. */
Frecursive_edit ();
/* NOTREACHED */
}
\f
+/* Sort the args so we can find the most important ones
+ at the beginning of argv. */
+
+/* First, here's a table of all the standard options. */
+
+struct standard_args
+{
+ char *name;
+ char *longname;
+ int priority;
+ int nargs;
+};
+
+struct standard_args standard_args[] =
+{
+ { "-version", "--version", 110, 0 },
+ { "-help", "--help", 110, 0 },
+ { "-nl", "--no-shared-memory", 100, 0 },
+#ifdef VMS
+ { "-map", "--map-data", 100, 0 },
+#endif
+ { "-t", "--terminal", 90, 1 },
+ { "-d", "--display", 80, 1 },
+ { "-display", 0, 80, 1 },
+ { "-nw", "--no-windows", 70, 0 },
+ { "-batch", "--batch", 60, 0 },
+ { "-q", "--no-init-file", 50, 0 },
+ { "-no-init-file", 0, 50, 0 },
+ { "-no-site-file", "--no-site-file", 40, 0 },
+ { "-u", "--user", 30, 1 },
+ { "-user", 0, 30, 1 },
+ { "-debug-init", "--debug-init", 20, 0 },
+ { "-i", "--icon-type", 15, 0 },
+ { "-itype", 0, 15, 0 },
+ { "-iconic", "--iconic", 15, 0 },
+ { "-bg", "--background-color", 10, 1 },
+ { "-background", 0, 10, 1 },
+ { "-fg", "--foreground-color", 10, 1 },
+ { "-foreground", 0, 10, 1 },
+ { "-bd", "--border-color", 10, 1 },
+ { "-bw", "--border-width", 10, 1 },
+ { "-ib", "--internal-border", 10, 1 },
+ { "-ms", "--mouse-color", 10, 1 },
+ { "-cr", "--cursor-color", 10, 1 },
+ { "-fn", "--font", 10, 1 },
+ { "-font", 0, 10, 1 },
+ { "-g", "--geometry", 10, 1 },
+ { "-geometry", 0, 10, 1 },
+ { "-T", "--title", 10, 1 },
+ { "-title", 0, 10, 1 },
+ { "-name", "--name", 10, 1 },
+ { "-xrm", "--xrm", 10, 1 },
+ { "-r", "--reverse-video", 5, 0 },
+ { "-rv", 0, 5, 0 },
+ { "-reverse", 0, 5, 0 },
+ { "-hb", "--horizontal-scroll-bars", 5, 0 },
+ { "-vb", "--vertical-scroll-bars", 5, 0 },
+ /* These have the same priority as ordinary file name args,
+ so they are not reordered with respect to those. */
+ { "-L", "--directory", 0, 1 },
+ { "-directory", 0, 0, 1 },
+ { "-l", "--load", 0, 1 },
+ { "-load", 0, 0, 1 },
+ { "-f", "--funcall", 0, 1 },
+ { "-funcall", 0, 0, 1 },
+ { "-eval", "--eval", 0, 1 },
+ { "-find-file", "--find-file", 0, 1 },
+ { "-visit", "--visit", 0, 1 },
+ { "-insert", "--insert", 0, 1 },
+ /* This should be processed after ordinary file name args and the like. */
+ { "-kill", "--kill", -10, 0 },
+};
+
+/* Reorder the elements of ARGV (assumed to have ARGC elements)
+ so that the highest priority ones come first.
+ Do not change the order of elements of equal priority.
+ If an option takes an argument, keep it and its argument together. */
+
+static void
+sort_args (argc, argv)
+ int argc;
+ char **argv;
+{
+ char **new = (char **) xmalloc (sizeof (char *) * argc);
+ /* For each element of argv,
+ the corresponding element of options is:
+ 0 for an option that takes no arguments,
+ 1 for an option that takes one argument, etc.
+ -1 for an ordinary non-option argument. */
+ int *options = (int *) xmalloc (sizeof (int) * argc);
+ int *priority = (int *) xmalloc (sizeof (int) * argc);
+ int to = 1;
+ int from;
+ int i;
+ int end_of_options = argc;
+
+ /* Categorize all the options,
+ and figure out which argv elts are option arguments. */
+ for (from = 1; from < argc; from++)
+ {
+ options[from] = -1;
+ priority[from] = 0;
+ if (argv[from][0] == '-')
+ {
+ int match, thislen;
+ char *equals;
+
+ /* If we have found "--", don't consider
+ any more arguments as options. */
+ if (argv[from][1] == '-' && argv[from][2] == 0)
+ {
+ /* Leave the "--", and everything following it, at the end. */
+ for (; from < argc; from++)
+ {
+ priority[from] = -100;
+ options[from] = -1;
+ }
+ break;
+ }
+
+ /* Look for a match with a known old-fashioned option. */
+ for (i = 0; i < sizeof (standard_args) / sizeof (standard_args[0]); i++)
+ if (!strcmp (argv[from], standard_args[i].name))
+ {
+ options[from] = standard_args[i].nargs;
+ priority[from] = standard_args[i].priority;
+ if (from + standard_args[i].nargs >= argc)
+ fatal ("Option `%s' requires an argument\n", argv[from]);
+ from += standard_args[i].nargs;
+ goto done;
+ }
+
+ /* Look for a match with a known long option.
+ MATCH is -1 if no match so far, -2 if two or more matches so far,
+ >= 0 (the table index of the match) if just one match so far. */
+ if (argv[from][1] == '-')
+ {
+ match = -1;
+ thislen = strlen (argv[from]);
+ equals = index (argv[from], '=');
+ if (equals != 0)
+ thislen = equals - argv[from];
+
+ for (i = 0;
+ i < sizeof (standard_args) / sizeof (standard_args[0]); i++)
+ if (standard_args[i].longname
+ && !strncmp (argv[from], standard_args[i].longname,
+ thislen))
+ {
+ if (match == -1)
+ match = i;
+ else
+ match = -2;
+ }
+
+ /* If we found exactly one match, use that. */
+ if (match >= 0)
+ {
+ options[from] = standard_args[match].nargs;
+ priority[from] = standard_args[match].priority;
+ /* If --OPTION=VALUE syntax is used,
+ this option uses just one argv element. */
+ if (equals != 0)
+ options[from] = 0;
+ if (from + options[from] >= argc)
+ fatal ("Option `%s' requires an argument\n", argv[from]);
+ from += options[from];
+ }
+ }
+ done: ;
+ }
+ }
+
+ /* Copy the arguments, in order of decreasing priority, to NEW. */
+ new[0] = argv[0];
+ while (to < argc)
+ {
+ int best = -1;
+ int best_priority = -9999;
+
+ /* Find the highest priority remaining option.
+ If several have equal priority, take the first of them. */
+ for (from = 1; from < argc; from++)
+ {
+ if (argv[from] != 0 && priority[from] > best_priority)
+ {
+ best_priority = priority[from];
+ best = from;
+ }
+ /* Skip option arguments--they are tied to the options. */
+ if (options[from] > 0)
+ from += options[from];
+ }
+
+ if (best < 0)
+ abort ();
+
+ /* Copy the highest priority remaining option, with its args, to NEW. */
+ new[to++] = argv[best];
+ for (i = 0; i < options[best]; i++)
+ new[to++] = argv[best + i + 1];
+
+ /* Clear out this option in ARGV. */
+ argv[best] = 0;
+ for (i = 0; i < options[best]; i++)
+ argv[best + i + 1] = 0;
+ }
+
+ bcopy (new, argv, sizeof (char *) * argc);
+
+ free (options);
+ free (new);
+ free (priority);
+}
+\f
DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P",
"Exit the Emacs job and kill it.\n\
If ARG is an integer, return ARG as the exit program code.\n\
shut_down_emacs (0, 0, STRINGP (arg) ? arg : Qnil);
+ /* If we have an auto-save list file,
+ kill it because we are exiting Emacs deliberately (not crashing).
+ Do it after shut_down_emacs, which does an auto-save. */
+ if (STRINGP (Vauto_save_list_file_name))
+ unlink (XSTRING (Vauto_save_list_file_name)->data);
+
exit (INTEGERP (arg) ? XINT (arg)
#ifdef VMS
: 1
unrequest_sigio ();
signal (SIGIO, SIG_IGN);
#endif
+
+#ifdef WINDOWSNT
+ term_ntproc ();
+#endif
}
\f
#ifndef CANNOT_DUMP
-/* Nothing like this can be implemented on an Apollo.
- What a loss! */
#ifdef HAVE_SHM
DEFUN ("dump-emacs-data", Fdump_emacs_data, Sdump_emacs_data, 1, 1, 0,
"Dump current state of Emacs into data file FILENAME.\n\
This function exists on systems that use HAVE_SHM.")
- (intoname)
- Lisp_Object intoname;
+ (filename)
+ Lisp_Object filename;
{
- extern int my_edata;
+ extern char my_edata[];
Lisp_Object tem;
- CHECK_STRING (intoname, 0);
- intoname = Fexpand_file_name (intoname, Qnil);
+ CHECK_STRING (filename, 0);
+ filename = Fexpand_file_name (filename, Qnil);
tem = Vpurify_flag;
Vpurify_flag = Qnil;
/* Tell malloc where start of impure now is */
/* Also arrange for warnings when nearly out of space. */
#ifndef SYSTEM_MALLOC
- memory_warnings (&my_edata, malloc_warning);
+ memory_warnings (my_edata, malloc_warning);
#endif
- map_out_data (XSTRING (intoname)->data);
+ map_out_data (XSTRING (filename)->data);
Vpurify_flag = tem;
Take symbols from SYMFILE (presumably the file you executed to run Emacs).\n\
This is used in the file `loadup.el' when building Emacs.\n\
\n\
-Bind `command-line-processed' to nil before dumping,\n\
-if you want the dumped Emacs to process its command line\n\
-and announce itself normally when it is run.")
- (intoname, symname)
- Lisp_Object intoname, symname;
+You must run Emacs in batch mode in order to dump it.")
+ (filename, symfile)
+ Lisp_Object filename, symfile;
{
- extern int my_edata;
+ extern char my_edata[];
Lisp_Object tem;
+ Lisp_Object symbol;
+ int count = specpdl_ptr - specpdl;
+
+ if (! noninteractive)
+ error ("Dumping Emacs works only in batch mode");
+
+ /* Bind `command-line-processed' to nil before dumping,
+ so that the dumped Emacs will process its command line
+ and set up to work with X windows if appropriate. */
+ symbol = intern ("command-line-process");
+ specbind (symbol, Qnil);
- CHECK_STRING (intoname, 0);
- intoname = Fexpand_file_name (intoname, Qnil);
- if (!NILP (symname))
+ CHECK_STRING (filename, 0);
+ filename = Fexpand_file_name (filename, Qnil);
+ if (!NILP (symfile))
{
- CHECK_STRING (symname, 0);
- if (XSTRING (symname)->size)
- symname = Fexpand_file_name (symname, Qnil);
+ CHECK_STRING (symfile, 0);
+ if (XSTRING (symfile)->size)
+ symfile = Fexpand_file_name (symfile, Qnil);
}
tem = Vpurify_flag;
Vpurify_flag = Qnil;
+#ifdef HAVE_TZSET
+ set_time_zone_rule (dump_tz);
+#ifndef LOCALTIME_CACHE
+ /* Force a tz reload, since set_time_zone_rule doesn't. */
+ tzset ();
+#endif
+#endif
+
fflush (stdout);
#ifdef VMS
- mapout_data (XSTRING (intoname)->data);
+ mapout_data (XSTRING (filename)->data);
#else
/* Tell malloc where start of impure now is */
/* Also arrange for warnings when nearly out of space. */
#ifndef SYSTEM_MALLOC
- memory_warnings (&my_edata, malloc_warning);
+#ifndef WINDOWSNT
+ /* On Windows, this was done before dumping, and that once suffices.
+ Meanwhile, my_edata is not valid on Windows. */
+ memory_warnings (my_edata, malloc_warning);
+#endif /* not WINDOWSNT */
+#endif
+#ifdef DOUG_LEA_MALLOC
+ malloc_state_ptr = malloc_get_state ();
+#endif
+ unexec (XSTRING (filename)->data,
+ !NILP (symfile) ? XSTRING (symfile)->data : 0, my_edata, 0, 0);
+#ifdef DOUG_LEA_MALLOC
+ free (malloc_state_ptr);
#endif
- unexec (XSTRING (intoname)->data,
- !NILP (symname) ? XSTRING (symname)->data : 0, &my_edata, 0, 0);
#endif /* not VMS */
Vpurify_flag = tem;
- return Qnil;
+ return unbind_to (count, Qnil);
}
#endif /* not HAVE_SHM */
char *evarname, *defalt;
{
register char *path, *p;
-
- Lisp_Object lpath;
+ Lisp_Object lpath, element, tem;
/* It's okay to use getenv here, because this function is only used
to initialize variables when Emacs starts up, and isn't called
path = 0;
if (!path)
path = defalt;
+#ifdef DOS_NT
+ /* Ensure values from the environment use the proper directory separator. */
+ if (path)
+ {
+ p = alloca (strlen (path) + 1);
+ strcpy (p, path);
+ path = p;
+
+ if ('/' == DIRECTORY_SEP)
+ dostounix_filename (path);
+ else
+ unixtodos_filename (path);
+ }
+#endif
lpath = Qnil;
while (1)
{
p = index (path, SEPCHAR);
if (!p) p = path + strlen (path);
- lpath = Fcons (p - path ? make_string (path, p - path) : Qnil,
- lpath);
+ element = (p - path ? make_string (path, p - path)
+ : build_string ("."));
+
+ /* Add /: to the front of the name
+ if it would otherwise be treated as magic. */
+ tem = Ffind_file_name_handler (element, Qt);
+ if (! NILP (tem))
+ element = concat2 (build_string ("/:"), element);
+
+ lpath = Fcons (element, lpath);
if (*p)
path = p + 1;
else
syms_of_emacs ()
{
+ Qfile_name_handler_alist = intern ("file-name-handler-alist");
+ staticpro (&Qfile_name_handler_alist);
+
#ifndef CANNOT_DUMP
#ifdef HAVE_SHM
defsubr (&Sdump_emacs_data);
"Hook to be run whenever kill-emacs is called.\n\
Since kill-emacs may be invoked when the terminal is disconnected (or\n\
in other similar situations), functions placed on this hook should not\n\
-expect to be able to interact with the user.");
+expect to be able to interact with the user. To ask for confirmation,\n\
+see `kill-emacs-query-functions' instead.");
Vkill_emacs_hook = Qnil;
DEFVAR_INT ("emacs-priority", &emacs_priority,
HCoop / bpt / emacs.git / blobdiff