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
#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;
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;
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 */
+ /* Emacs was started with relative path, like ./emacs.
+ Make it absolute. */
Vinvocation_directory = Fexpand_file_name (Vinvocation_directory, Qnil);
Vinstallation_directory = Qnil;
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.
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);
+ }
+#endif
sort_args (argc, argv);
}
else
{
- printf ("%s\n", XSTRING (tem)->data);
+ printf ("GNU Emacs %s\n", XSTRING (tem)->data);
+ printf ("Copyright (C) 1996 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);
}
}
}
#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 */
+#ifdef HAVE_SETRLIMIT
+ /* Extend the stack space available. */
+ if (!getrlimit (RLIMIT_STACK, &rlim))
+ {
+ long newlim;
+ /* Approximate the amount regex.c needs, plus some more. */
+ newlim = 800000 * sizeof (char *);
+ if (newlim > rlim.rlim_max)
+ newlim = rlim.rlim_max;
+ if (rlim.rlim_cur < newlim)
+ rlim.rlim_cur = newlim;
+
+ setrlimit (RLIMIT_STACK, &rlim);
+ }
+#endif
+
/* Record (approximately) where the stack begins. */
stack_bottom = &stack_bottom_variable;
/* 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
exit (1);
}
fprintf (stderr, "Using %s\n", term);
-#ifdef HAVE_X_WINDOWS
+#ifdef HAVE_WINDOW_SYSTEM
inhibit_window_system = 1; /* -t => -nw */
#endif
}
printf ("\
Usage: %s [-t term] [--terminal term] [-nw] [--no-windows] [--batch]\n\
[-q] [--no-init-file] [-u user] [--user user] [--debug-init]\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.", argv[0]);
exit (0);
}
because we don't even know which window system dependent code
to run until we've recognized this argument. */
{
- char *displayname;
+ char *displayname = 0;
int i;
int count_before = skip_args;
/* 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] = "-d";
+ argv[count_before + 1] = "-d";
/* Don't actually discard this arg. */
skip_args = count_before;
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);
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 */
/* 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 ();
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 */
#if defined (MSDOS) && !defined (HAVE_X_WINDOWS)
syms_of_xfaces ();
+#endif
+
+#ifndef HAVE_NTGUI
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
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;
+#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
}
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) */
+#endif /* defined (LOCALTIME_CACHE) */
/* Enter editor command loop. This never returns. */
Frecursive_edit ();
{ "-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. */
{ "-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 },
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. */
int match, thislen;
char *equals;
+ /* If we have found "--", don't consider
+ any more arguments as options. */
+ if (argv[from][1] == '-')
+ {
+ /* 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;
}
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];
}
}
while (to < argc)
{
int best = -1;
- int best_priority = -2;
+ int best_priority = -9999;
/* Find the highest priority remaining option.
If several have equal priority, take the first of them. */
}
bcopy (new, argv, sizeof (char *) * argc);
+
+ free (options);
+ free (new);
+ free (priority);
}
\f
DEFUN ("kill-emacs", Fkill_emacs, Skill_emacs, 0, 1, "P",
unrequest_sigio ();
signal (SIGIO, SIG_IGN);
#endif
+
+#ifdef WINDOWSNT
+ term_ntproc ();
+#endif
}
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 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;
#ifndef SYSTEM_MALLOC
memory_warnings (my_edata, malloc_warning);
#endif
- map_out_data (XSTRING (intoname)->data);
+ map_out_data (XSTRING (filename)->data);
Vpurify_flag = tem;
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;
+ (filename, symfile)
+ Lisp_Object filename, symfile;
{
extern char my_edata[];
Lisp_Object tem;
- 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. */
memory_warnings (my_edata, malloc_warning);
#endif /* not WINDOWSNT */
#endif
- unexec (XSTRING (intoname)->data,
- !NILP (symname) ? XSTRING (symname)->data : 0, my_edata, 0, 0);
+#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
#endif /* not VMS */
Vpurify_flag = tem;
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
{
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);
HCoop / bpt / emacs.git / blobdiff