/* File IO for GNU Emacs.
- Copyright (C) 1985, 1986, 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1985, 1986, 1987, 1988, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
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, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include <config.h>
#include "charset.h"
#include "coding.h"
#include "window.h"
+#include "blockinput.h"
#ifdef WINDOWSNT
#define NOMINMAX 1
expanding file names. This can be bound to / or \. */
Lisp_Object Vdirectory_sep_char;
+#ifdef HAVE_FSYNC
+/* Nonzero means skip the call to fsync in Fwrite-region. */
+int write_region_inhibit_fsync;
+#endif
+
extern Lisp_Object Vuser_login_name;
#ifdef WINDOWSNT
switch (errorno)
{
case EEXIST:
- Fsignal (Qfile_already_exists, Fcons (errstring, data));
+ xsignal (Qfile_already_exists, Fcons (errstring, data));
break;
default:
/* System error messages are capitalized. Downcase the initial
if (SREF (errstring, 1) != '/')
SSET (errstring, 0, DOWNCASE (SREF (errstring, 0)));
- Fsignal (Qfile_error,
+ xsignal (Qfile_error,
Fcons (build_string (string), Fcons (errstring, data)));
}
}
#endif /* DOS_NT */
int length;
Lisp_Object handler, result;
+ int multibyte;
CHECK_STRING (name);
name = FILE_SYSTEM_CASE (name);
nm = SDATA (name);
+ multibyte = STRING_MULTIBYTE (name);
#ifdef DOS_NT
/* We will force directory separators to be either all \ or /, so make
}
else
#endif /* NO_HYPHENS_IN_FILENAMES */
- if (lbrack > rbrack &&
- ((p[-1] == '.' || p[-1] == '[' || p[-1] == '<') &&
- (p[1] == '.' || p[1] == ']' || p[1] == '>')))
+ if (lbrack > rbrack
+ && ((p[-1] == '.' || p[-1] == '[' || p[-1] == '<')
+ && (p[1] == '.' || p[1] == ']' || p[1] == '>')))
lose = 1;
#ifdef NO_HYPHENS_IN_FILENAMES
else
if (index (nm, '/'))
{
nm = sys_translate_unix (nm);
- return make_specified_string (nm, -1, strlen (nm),
- STRING_MULTIBYTE (name));
+ return make_specified_string (nm, -1, strlen (nm), multibyte);
}
#endif /* VMS */
#ifdef DOS_NT
if (IS_DIRECTORY_SEP (nm[1]))
{
if (strcmp (nm, SDATA (name)) != 0)
- name = make_specified_string (nm, -1, strlen (nm),
- STRING_MULTIBYTE (name));
+ name = make_specified_string (nm, -1, strlen (nm), multibyte);
}
else
#endif
{
char temp[] = " :";
- name = make_specified_string (nm, -1, p - nm,
- STRING_MULTIBYTE (name));
+ name = make_specified_string (nm, -1, p - nm, multibyte);
temp[0] = DRIVE_LETTER (drive);
name = concat2 (build_string (temp), name);
}
#else /* not DOS_NT */
if (nm == SDATA (name))
return name;
- return make_specified_string (nm, -1, strlen (nm),
- STRING_MULTIBYTE (name));
+ return make_specified_string (nm, -1, strlen (nm), multibyte);
#endif /* not DOS_NT */
}
}
bcopy ((char *) nm, o, p - nm);
o [p - nm] = 0;
+ BLOCK_INPUT;
pw = (struct passwd *) getpwnam (o + 1);
+ UNBLOCK_INPUT;
if (pw)
{
newdir = (unsigned char *) pw -> pw_dir;
&& !newdir)
{
newdir = SDATA (default_directory);
+ multibyte |= STRING_MULTIBYTE (default_directory);
#ifdef DOS_NT
/* Note if special escape prefix is present, but remove for now. */
if (newdir[0] == '/' && newdir[1] == ':')
else if (*p == '-' && *o != '.')
*--p = '.';
}
- else if (p[0] == '-' && o[-1] == '.' &&
- (p[1] == '.' || p[1] == ']' || p[1] == '>'))
+ else if (p[0] == '-' && o[-1] == '.'
+ && (p[1] == '.' || p[1] == ']' || p[1] == '>'))
/* flush .foo.- ; leave - if stopped by '[' or '<' */
{
do
else
{
#ifdef NO_HYPHENS_IN_FILENAMES
- if (*p == '-' &&
- o[-1] != '[' && o[-1] != '<' && o[-1] != '.' &&
- p[1] != ']' && p[1] != '>' && p[1] != '.')
+ if (*p == '-'
+ && o[-1] != '[' && o[-1] != '<' && o[-1] != '.'
+ && p[1] != ']' && p[1] != '>' && p[1] != '.')
*p = '_';
#endif /* NO_HYPHENS_IN_FILENAMES */
*o++ = *p++;
{
*o++ = *p++;
}
- else if (IS_DIRECTORY_SEP (p[0])
- && p[1] == '.'
+ else if (p[1] == '.'
&& (IS_DIRECTORY_SEP (p[2])
|| p[2] == 0))
{
*o++ = *p;
p += 2;
}
- else if (IS_DIRECTORY_SEP (p[0]) && p[1] == '.' && p[2] == '.'
+ else if (p[1] == '.' && p[2] == '.'
/* `/../' is the "superroot" on certain file systems.
Turned off on DOS_NT systems because they have no
"superroot" and because this causes us to produce
++o;
p += 3;
}
- else if (p > target
- && IS_DIRECTORY_SEP (p[0]) && IS_DIRECTORY_SEP (p[1]))
- {
- /* Collapse multiple `/' in a row. */
- *o++ = *p++;
- while (IS_DIRECTORY_SEP (*p))
- ++p;
- }
+ else if (p > target && IS_DIRECTORY_SEP (p[1]))
+ /* Collapse multiple `/' in a row. */
+ p++;
else
{
*o++ = *p++;
CORRECT_DIR_SEPS (target);
#endif /* DOS_NT */
- result = make_specified_string (target, -1, o - target,
- STRING_MULTIBYTE (name));
+ result = make_specified_string (target, -1, o - target, multibyte);
/* Again look to see if the file name has special constructs in it
and perhaps call the corresponding file handler. This is needed
}
else
#endif /* VMS4_4 */
- if (lbrack > rbrack &&
- ((p[-1] == '.' || p[-1] == '[' || p[-1] == '<') &&
- (p[1] == '.' || p[1] == ']' || p[1] == '>')))
+ if (lbrack > rbrack
+ && ((p[-1] == '.' || p[-1] == '[' || p[-1] == '<')
+ && (p[1] == '.' || p[1] == ']' || p[1] == '>')))
lose = 1;
#ifndef VMS4_4
else
o[len] = 0;
/* Look up the user name. */
+ BLOCK_INPUT;
pw = (struct passwd *) getpwnam (o + 1);
+ UNBLOCK_INPUT;
if (!pw)
error ("\"%s\" isn't a registered user", o + 1);
else if (*p == '-' && *o != '.')
*--p = '.';
}
- else if (p[0] == '-' && o[-1] == '.' &&
- (p[1] == '.' || p[1] == ']' || p[1] == '>'))
+ else if (p[0] == '-' && o[-1] == '.'
+ && (p[1] == '.' || p[1] == ']' || p[1] == '>'))
/* flush .foo.- ; leave - if stopped by '[' or '<' */
{
do
else
{
#ifndef VMS4_4
- if (*p == '-' &&
- o[-1] != '[' && o[-1] != '<' && o[-1] != '.' &&
- p[1] != ']' && p[1] != '>' && p[1] != '.')
+ if (*p == '-'
+ && o[-1] != '[' && o[-1] != '<' && o[-1] != '.'
+ && p[1] != ']' && p[1] != '>' && p[1] != '.')
*p = '_';
#endif /* VMS4_4 */
*o++ = *p++;
o = target;
p++;
}
- else if (p[0] == '/' && p[1] == '.' &&
- (p[2] == '/' || p[2] == 0))
+ else if (p[0] == '/' && p[1] == '.'
+ && (p[2] == '/' || p[2] == 0))
p += 2;
else if (!strncmp (p, "/..", 3)
/* `/../' is the "superroot" on certain file systems. */
/* If we have ~user and `user' exists, discard
everything up to ~. But if `user' does not exist, leave
~user alone, it might be a literal file name. */
- if ((pw = getpwnam (o + 1)))
+ BLOCK_INPUT;
+ pw = getpwnam (o + 1);
+ UNBLOCK_INPUT;
+ if (pw)
return p;
- else
- xfree (pw);
}
else
return p;
if (lstat (SDATA (encoded_filename), &statbuf) >= 0)
{
if (! interactive)
- Fsignal (Qfile_already_exists,
- Fcons (build_string ("File already exists"),
- Fcons (absname, Qnil)));
+ xsignal2 (Qfile_already_exists,
+ build_string ("File already exists"), absname);
GCPRO1 (absname);
tem = format2 ("File %s already exists; %s anyway? ",
absname, build_string (querystring));
tem = do_yes_or_no_p (tem);
UNGCPRO;
if (NILP (tem))
- Fsignal (Qfile_already_exists,
- Fcons (build_string ("File already exists"),
- Fcons (absname, Qnil)));
+ xsignal2 (Qfile_already_exists,
+ build_string ("File already exists"), absname);
if (statptr)
*statptr = statbuf;
}
"fCopy file: \nGCopy %s to file: \np\nP",
doc: /* Copy FILE to NEWNAME. Both args must be strings.
If NEWNAME names a directory, copy FILE there.
-Signals a `file-already-exists' error if file NEWNAME already exists,
-unless a third argument OK-IF-ALREADY-EXISTS is supplied and non-nil.
-A number as third arg means request confirmation if NEWNAME already exists.
-This is what happens in interactive use with M-x.
-Always sets the file modes of the output file to match the input file.
+
+This function always sets the file modes of the output file to match
+the input file.
+
+The optional third argument OK-IF-ALREADY-EXISTS specifies what to do
+if file NEWNAME already exists. If OK-IF-ALREADY-EXISTS is nil, we
+signal a `file-already-exists' error without overwriting. If
+OK-IF-ALREADY-EXISTS is a number, we request confirmation from the user
+about overwriting; this is what happens in interactive use with M-x.
+Any other value for OK-IF-ALREADY-EXISTS means to overwrite the
+existing file.
Fourth arg KEEP-TIME non-nil means give the output file the same
last-modified time as the old one. (This works on only some systems.)
A prefix arg makes KEEP-TIME non-nil.
-The optional fifth arg MUSTBENEW, if non-nil, insists on a check
-for an existing file with the same name. If MUSTBENEW is `excl',
-that means to get an error if the file already exists; never overwrite.
-If MUSTBENEW is neither nil nor `excl', that means ask for
-confirmation before overwriting, but do go ahead and overwrite the file
-if the user confirms. */)
- (file, newname, ok_if_already_exists, keep_time, mustbenew)
- Lisp_Object file, newname, ok_if_already_exists, keep_time, mustbenew;
+If PRESERVE-UID-GID is non-nil, we try to transfer the
+uid and gid of FILE to NEWNAME. */)
+ (file, newname, ok_if_already_exists, keep_time, preserve_uid_gid)
+ Lisp_Object file, newname, ok_if_already_exists, keep_time;
+ Lisp_Object preserve_uid_gid;
{
int ifd, ofd, n;
char buf[16 * 1024];
CHECK_STRING (file);
CHECK_STRING (newname);
- if (!NILP (mustbenew) && !EQ (mustbenew, Qexcl))
- barf_or_query_if_file_exists (newname, "overwrite", 1, 0, 1);
-
if (!NILP (Ffile_directory_p (newname)))
newname = Fexpand_file_name (Ffile_name_nondirectory (file), newname);
else
if (NILP (ok_if_already_exists)
|| INTEGERP (ok_if_already_exists))
- barf_or_query_if_file_exists (encoded_newname, "copy to it",
+ barf_or_query_if_file_exists (newname, "copy to it",
INTEGERP (ok_if_already_exists), &out_st, 0);
else if (stat (SDATA (encoded_newname), &out_st) < 0)
out_st.st_mode = 0;
{
/* Restore original attributes. */
SetFileAttributes (filename, attributes);
- Fsignal (Qfile_date_error,
- Fcons (build_string ("Cannot set file date"),
- Fcons (newname, Qnil)));
+ xsignal2 (Qfile_date_error,
+ build_string ("Cannot set file date"), newname);
}
/* Restore original attributes. */
SetFileAttributes (filename, attributes);
copyable by us. */
input_file_statable_p = (fstat (ifd, &st) >= 0);
-#if !defined (DOS_NT) || __DJGPP__ > 1
+#if !defined (MSDOS) || __DJGPP__ > 1
if (out_st.st_mode != 0
&& st.st_dev == out_st.st_dev && st.st_ino == out_st.st_ino)
{
/* System's default file type was set to binary by _fmode in emacs.c. */
ofd = emacs_open (SDATA (encoded_newname),
O_WRONLY | O_TRUNC | O_CREAT
- | (EQ (mustbenew, Qexcl) ? O_EXCL : 0),
+ | (NILP (ok_if_already_exists) ? O_EXCL : 0),
S_IREAD | S_IWRITE);
#else /* not MSDOS */
ofd = emacs_open (SDATA (encoded_newname),
O_WRONLY | O_TRUNC | O_CREAT
- | (EQ (mustbenew, Qexcl) ? O_EXCL : 0),
+ | (NILP (ok_if_already_exists) ? O_EXCL : 0),
0666);
#endif /* not MSDOS */
#endif /* VMS */
report_file_error ("I/O error", Fcons (newname, Qnil));
immediate_quit = 0;
+#ifndef MSDOS
+ /* Preserve the original file modes, and if requested, also its
+ owner and group. */
+ if (input_file_statable_p)
+ {
+ if (! NILP (preserve_uid_gid))
+ fchown (ofd, st.st_uid, st.st_gid);
+ fchmod (ofd, st.st_mode & 07777);
+ }
+#endif /* not MSDOS */
+
/* Closing the output clobbers the file times on some systems. */
if (emacs_close (ofd) < 0)
report_file_error ("I/O error", Fcons (newname, Qnil));
EMACS_SET_SECS_USECS (mtime, st.st_mtime, 0);
if (set_file_times (SDATA (encoded_newname),
atime, mtime))
- Fsignal (Qfile_date_error,
- Fcons (build_string ("Cannot set file date"),
- Fcons (newname, Qnil)));
+ xsignal2 (Qfile_date_error,
+ build_string ("Cannot set file date"), newname);
}
-#ifndef MSDOS
- chmod (SDATA (encoded_newname), st.st_mode & 07777);
-#else /* MSDOS */
+ }
+
+ emacs_close (ifd);
+
#if defined (__DJGPP__) && __DJGPP__ > 1
+ if (input_file_statable_p)
+ {
/* In DJGPP v2.0 and later, fstat usually returns true file mode bits,
and if it can't, it tells so. Otherwise, under MSDOS we usually
get only the READ bit, which will make the copied file read-only,
so it's better not to chmod at all. */
if ((_djstat_flags & _STFAIL_WRITEBIT) == 0)
chmod (SDATA (encoded_newname), st.st_mode & 07777);
-#endif /* DJGPP version 2 or newer */
-#endif /* MSDOS */
}
-
- emacs_close (ifd);
-#endif /* WINDOWSNT */
+#endif /* DJGPP version 2 or newer */
+#endif /* not WINDOWSNT */
/* Discard the unwind protects. */
specpdl_ptr = specpdl + count;
#else
if (mkdir (dir, 0777) != 0)
#endif
- report_file_error ("Creating directory", Flist (1, &directory));
+ report_file_error ("Creating directory", list1 (directory));
return Qnil;
}
dir = SDATA (encoded_dir);
if (rmdir (dir) != 0)
- report_file_error ("Removing directory", Flist (1, &directory));
+ report_file_error ("Removing directory", list1 (directory));
return Qnil;
}
GCPRO1 (filename);
if (!NILP (Ffile_directory_p (filename))
&& NILP (Ffile_symlink_p (filename)))
- Fsignal (Qfile_error,
- Fcons (build_string ("Removing old name: is a directory"),
- Fcons (filename, Qnil)));
+ xsignal2 (Qfile_error,
+ build_string ("Removing old name: is a directory"),
+ filename);
UNGCPRO;
filename = Fexpand_file_name (filename, Qnil);
encoded_file = ENCODE_FILE (filename);
if (0 > unlink (SDATA (encoded_file)))
- report_file_error ("Removing old name", Flist (1, &filename));
+ report_file_error ("Removing old name", list1 (filename));
return Qnil;
}
internal_delete_file (filename)
Lisp_Object filename;
{
- return NILP (internal_condition_case_1 (Fdelete_file, filename,
- Qt, internal_delete_file_1));
+ Lisp_Object tem;
+ tem = internal_condition_case_1 (Fdelete_file, filename,
+ Qt, internal_delete_file_1);
+ return NILP (tem);
}
\f
DEFUN ("rename-file", Frename_file, Srename_file, 2, 3,
(file, newname, ok_if_already_exists)
Lisp_Object file, newname, ok_if_already_exists;
{
-#ifdef NO_ARG_ARRAY
- Lisp_Object args[2];
-#endif
Lisp_Object handler;
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5;
Lisp_Object encoded_file, encoded_newname, symlink_target;
CHECK_STRING (newname);
file = Fexpand_file_name (file, Qnil);
- if (!NILP (Ffile_directory_p (newname)))
+ if ((!NILP (Ffile_directory_p (newname)))
+#ifdef DOS_NT
+ /* If the file names are identical but for the case,
+ don't attempt to move directory to itself. */
+ && (NILP (Fstring_equal (Fdowncase (file), Fdowncase (newname))))
+#endif
+ )
newname = Fexpand_file_name (Ffile_name_nondirectory (file), newname);
else
newname = Fexpand_file_name (newname, Qnil);
#endif
if (NILP (ok_if_already_exists)
|| INTEGERP (ok_if_already_exists))
- barf_or_query_if_file_exists (encoded_newname, "rename to it",
+ barf_or_query_if_file_exists (newname, "rename to it",
INTEGERP (ok_if_already_exists), 0, 0);
#ifndef BSD4_1
if (0 > rename (SDATA (encoded_file), SDATA (encoded_newname)))
{
if (errno == EXDEV)
{
- struct stat data;
#ifdef S_IFLNK
symlink_target = Ffile_symlink_p (file);
if (! NILP (symlink_target))
NILP (ok_if_already_exists) ? Qnil : Qt);
else
#endif
- Fcopy_file (file, newname,
- /* We have already prompted if it was an integer,
- so don't have copy-file prompt again. */
- NILP (ok_if_already_exists) ? Qnil : Qt,
- Qt, Qnil);
-
- /* Preserve owner and group, if possible (if we are root). */
- if (stat (SDATA (encoded_file), &data) >= 0)
- chown (SDATA (encoded_file), data.st_uid, data.st_gid);
+ Fcopy_file (file, newname,
+ /* We have already prompted if it was an integer,
+ so don't have copy-file prompt again. */
+ NILP (ok_if_already_exists) ? Qnil : Qt,
+ Qt, Qt);
Fdelete_file (file);
}
else
-#ifdef NO_ARG_ARRAY
- {
- args[0] = file;
- args[1] = newname;
- report_file_error ("Renaming", Flist (2, args));
- }
-#else
- report_file_error ("Renaming", Flist (2, &file));
-#endif
+ report_file_error ("Renaming", list2 (file, newname));
}
UNGCPRO;
return Qnil;
(file, newname, ok_if_already_exists)
Lisp_Object file, newname, ok_if_already_exists;
{
-#ifdef NO_ARG_ARRAY
- Lisp_Object args[2];
-#endif
Lisp_Object handler;
Lisp_Object encoded_file, encoded_newname;
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
if (NILP (ok_if_already_exists)
|| INTEGERP (ok_if_already_exists))
- barf_or_query_if_file_exists (encoded_newname, "make it a new name",
+ barf_or_query_if_file_exists (newname, "make it a new name",
INTEGERP (ok_if_already_exists), 0, 0);
unlink (SDATA (newname));
if (0 > link (SDATA (encoded_file), SDATA (encoded_newname)))
- {
-#ifdef NO_ARG_ARRAY
- args[0] = file;
- args[1] = newname;
- report_file_error ("Adding new name", Flist (2, args));
-#else
- report_file_error ("Adding new name", Flist (2, &file));
-#endif
- }
+ report_file_error ("Adding new name", list2 (file, newname));
UNGCPRO;
return Qnil;
(filename, linkname, ok_if_already_exists)
Lisp_Object filename, linkname, ok_if_already_exists;
{
-#ifdef NO_ARG_ARRAY
- Lisp_Object args[2];
-#endif
Lisp_Object handler;
Lisp_Object encoded_filename, encoded_linkname;
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
if (NILP (ok_if_already_exists)
|| INTEGERP (ok_if_already_exists))
- barf_or_query_if_file_exists (encoded_linkname, "make it a link",
+ barf_or_query_if_file_exists (linkname, "make it a link",
INTEGERP (ok_if_already_exists), 0, 0);
if (0 > symlink (SDATA (encoded_filename),
SDATA (encoded_linkname)))
}
}
-#ifdef NO_ARG_ARRAY
- args[0] = filename;
- args[1] = linkname;
- report_file_error ("Making symbolic link", Flist (2, args));
-#else
- report_file_error ("Making symbolic link", Flist (2, &filename));
-#endif
+ report_file_error ("Making symbolic link", list2 (filename, linkname));
}
UNGCPRO;
return Qnil;
}
DEFUN ("file-regular-p", Ffile_regular_p, Sfile_regular_p, 1, 1, 0,
- doc: /* Return t if file FILENAME is the name of a regular file.
-This is the sort of file that holds an ordinary stream of data bytes. */)
+ doc: /* Return t if FILENAME names a regular file.
+This is the sort of file that holds an ordinary stream of data bytes.
+Symbolic links to regular files count as regular files.
+See `file-symlink-p' to distinguish symlinks. */)
(filename)
Lisp_Object filename;
{
return Qt;
}
\f
-#ifdef __NetBSD__
-#define unix 42
-#endif
-
-#ifdef unix
+#ifdef HAVE_SYNC
DEFUN ("unix-sync", Funix_sync, Sunix_sync, 0, 0, "",
doc: /* Tell Unix to finish all pending disk updates. */)
()
return Qnil;
}
-#endif /* unix */
+#endif /* HAVE_SYNC */
DEFUN ("file-newer-than-file-p", Ffile_newer_than_file_p, Sfile_newer_than_file_p, 2, 2, 0,
doc: /* Return t if file FILE1 is newer than file FILE2.
goto notfound;
if (! NILP (replace) || ! NILP (beg) || ! NILP (end))
- Fsignal (Qfile_error,
- Fcons (build_string ("not a regular file"),
- Fcons (orig_filename, Qnil)));
+ xsignal2 (Qfile_error,
+ build_string ("not a regular file"), orig_filename);
}
#endif
{
xfree (conversion_buffer);
coding_free_composition_data (&coding);
- if (how_much == -1)
- error ("IO error reading %s: %s",
- SDATA (orig_filename), emacs_strerror (errno));
- else if (how_much == -2)
- error ("maximum buffer size exceeded");
+ error ("IO error reading %s: %s",
+ SDATA (orig_filename), emacs_strerror (errno));
}
/* Compare the beginning of the converted file
/* Set `inserted' to the number of inserted characters. */
inserted = PT - temp;
+ /* Set point before the inserted characters. */
+ SET_PT_BOTH (temp, same_at_start);
xfree (conversion_buffer);
emacs_close (fd);
#endif
Vdeactivate_mark = old_Vdeactivate_mark;
}
+ else
+ Vdeactivate_mark = Qt;
/* Make the text read part of the buffer. */
GAP_SIZE -= inserted;
}
#endif /* CLASH_DETECTION */
if (not_regular)
- Fsignal (Qfile_error,
- Fcons (build_string ("not a regular file"),
- Fcons (orig_filename, Qnil)));
+ xsignal2 (Qfile_error,
+ build_string ("not a regular file"), orig_filename);
}
if (set_coding_system)
/* ... but with the special flag to indicate not to strip off
leading code of eight-bit-control chars. */
coding->flags = 1;
+ /* We force LF for end-of-line because that is faster. */
+ coding->eol_type = CODING_EOL_LF;
goto done_setup_coding;
}
else if (!NILP (Vcoding_system_for_write))
setup_coding_system (Fcheck_coding_system (val), coding);
done_setup_coding:
+ if (coding->eol_type == CODING_EOL_UNDECIDED)
+ coding->eol_type = system_eol_type;
if (!STRINGP (start) && !NILP (current_buffer->selective_display))
coding->mode |= CODING_MODE_SELECTIVE_DISPLAY;
}
if (!NILP (start) && !STRINGP (start))
validate_region (&start, &end);
+ visit_file = Qnil;
GCPRO5 (start, filename, visit, visit_file, lockname);
filename = Fexpand_file_name (filename, Qnil);
* if we do writes that don't end with a carriage return. Furthermore
* it cannot handle writes of more then 16K. The modified
* version of "sys_write" in SYSDEP.C (see comment there) copes with
- * this EXCEPT for the last record (iff it doesn't end with a carriage
+ * this EXCEPT for the last record (if it doesn't end with a carriage
* return). This implies that if your buffer doesn't end with a carriage
* return, you get one free... tough. However it also means that if
* we make two calls to sys_write (a la the following code) you can
Disk full in NFS may be reported here. */
/* mib says that closing the file will try to write as fast as NFS can do
it, and that means the fsync here is not crucial for autosave files. */
- if (!auto_saving && fsync (desc) < 0)
+ if (!auto_saving && !write_region_inhibit_fsync && fsync (desc) < 0)
{
/* If fsync fails with EINTR, don't treat that as serious. */
if (errno != EINTR)
See Info node `(elisp)Modification Time' for more details. */)
()
{
- Lisp_Object tcons;
- tcons = long_to_cons ((unsigned long) current_buffer->modtime);
- if (CONSP (tcons))
- return list2 (XCAR (tcons), XCDR (tcons));
- return tcons;
+ if (! current_buffer->modtime)
+ return make_number (0);
+ return make_time ((time_t) current_buffer->modtime);
}
DEFUN ("set-visited-file-modtime", Fset_visited_file_modtime,
Lisp_Object args[3], msg;
int i, nbytes;
struct gcpro gcpro1;
+ char *msgbuf;
+ USE_SAFE_ALLOCA;
ring_bell ();
msg = Fformat (3, args);
GCPRO1 (msg);
nbytes = SBYTES (msg);
+ SAFE_ALLOCA (msgbuf, char *, nbytes);
+ bcopy (SDATA (msg), msgbuf, nbytes);
for (i = 0; i < 3; ++i)
{
if (i == 0)
- message2 (SDATA (msg), nbytes, STRING_MULTIBYTE (msg));
+ message2 (msgbuf, nbytes, STRING_MULTIBYTE (msg));
else
- message2_nolog (SDATA (msg), nbytes, STRING_MULTIBYTE (msg));
+ message2_nolog (msgbuf, nbytes, STRING_MULTIBYTE (msg));
Fsleep_for (make_number (1), Qnil);
}
+ SAFE_FREE ();
UNGCPRO;
return Qnil;
}
}
static Lisp_Object
-do_auto_save_unwind (stream) /* used as unwind-protect function */
- Lisp_Object stream;
+do_auto_save_unwind (arg) /* used as unwind-protect function */
+ Lisp_Object arg;
{
+ FILE *stream = (FILE *) XSAVE_VALUE (arg)->pointer;
auto_saving = 0;
- if (!NILP (stream))
- fclose ((FILE *) (XFASTINT (XCAR (stream)) << 16
- | XFASTINT (XCDR (stream))));
+ if (stream != NULL)
+ {
+ BLOCK_INPUT;
+ fclose (stream);
+ UNBLOCK_INPUT;
+ }
return Qnil;
}
do_auto_save_make_dir (dir)
Lisp_Object dir;
{
- return call2 (Qmake_directory, dir, Qt);
+ Lisp_Object mode;
+
+ call2 (Qmake_directory, dir, Qt);
+ XSETFASTINT (mode, 0700);
+ return Fset_file_modes (dir, mode);
}
static Lisp_Object
int auto_saved = 0;
int do_handled_files;
Lisp_Object oquit;
- FILE *stream;
- Lisp_Object lispstream;
+ FILE *stream = NULL;
int count = SPECPDL_INDEX ();
int orig_minibuffer_auto_raise = minibuffer_auto_raise;
int old_message_p = 0;
}
stream = fopen (SDATA (listfile), "w");
- if (stream != NULL)
- {
- /* Arrange to close that file whether or not we get an error.
- Also reset auto_saving to 0. */
- lispstream = Fcons (Qnil, Qnil);
- XSETCARFASTINT (lispstream, (EMACS_UINT)stream >> 16);
- XSETCDRFASTINT (lispstream, (EMACS_UINT)stream & 0xffff);
- }
- else
- lispstream = Qnil;
- }
- else
- {
- stream = NULL;
- lispstream = Qnil;
}
- record_unwind_protect (do_auto_save_unwind, lispstream);
+ record_unwind_protect (do_auto_save_unwind,
+ make_save_value (stream, 0));
record_unwind_protect (do_auto_save_unwind_1,
make_number (minibuffer_auto_raise));
minibuffer_auto_raise = 0;
if (STRINGP (b->auto_save_file_name)
&& stream != NULL && do_handled_files == 0)
{
+ BLOCK_INPUT;
if (!NILP (b->filename))
{
fwrite (SDATA (b->filename), 1,
fwrite (SDATA (b->auto_save_file_name), 1,
SBYTES (b->auto_save_file_name), stream);
putc ('\n', stream);
+ UNBLOCK_INPUT;
}
if (!NILP (current_only)
{
/* If we are going to restore an old message,
give time to read ours. */
- sit_for (1, 0, 0, 0, 0);
+ sit_for (make_number (1), 0, 0);
restore_message ();
}
else
if (NILP (action))
{
specdir = Ffile_name_directory (string);
- val = Ffile_name_completion (name, realdir);
+ val = Ffile_name_completion (name, realdir, Vread_file_name_predicate);
UNGCPRO;
if (!STRINGP (val))
{
{
Lisp_Object tem = XCAR (all);
int len;
- if (STRINGP (tem) &&
- (len = SCHARS (tem), len > 0) &&
- IS_DIRECTORY_SEP (SREF (tem, len-1)))
+ if (STRINGP (tem)
+ && (len = SBYTES (tem), len > 0)
+ && IS_DIRECTORY_SEP (SREF (tem, len-1)))
comp = Fcons (tem, comp);
}
}
#endif
{
/* Must do it the hard (and slow) way. */
+ Lisp_Object tem;
GCPRO3 (all, comp, specdir);
count = SPECPDL_INDEX ();
record_unwind_protect (read_file_name_cleanup, current_buffer->directory);
current_buffer->directory = realdir;
for (comp = Qnil; CONSP (all); all = XCDR (all))
- if (!NILP (call1 (Vread_file_name_predicate, XCAR (all))))
- comp = Fcons (XCAR (all), comp);
+ {
+ tem = call1 (Vread_file_name_predicate, XCAR (all));
+ if (!NILP (tem))
+ comp = Fcons (XCAR (all), comp);
+ }
unbind_to (count, Qnil);
UNGCPRO;
}
staticpro (&Qcar_less_than_car);
Fput (Qfile_error, Qerror_conditions,
- Fcons (Qfile_error, Fcons (Qerror, Qnil)));
+ list2 (Qfile_error, Qerror));
Fput (Qfile_error, Qerror_message,
build_string ("File error"));
Fput (Qfile_already_exists, Qerror_conditions,
- Fcons (Qfile_already_exists,
- Fcons (Qfile_error, Fcons (Qerror, Qnil))));
+ list3 (Qfile_already_exists, Qfile_error, Qerror));
Fput (Qfile_already_exists, Qerror_message,
build_string ("File already exists"));
Fput (Qfile_date_error, Qerror_conditions,
- Fcons (Qfile_date_error,
- Fcons (Qfile_error, Fcons (Qerror, Qnil))));
+ list3 (Qfile_date_error, Qfile_error, Qerror));
Fput (Qfile_date_error, Qerror_message,
build_string ("Cannot set file date"));
a non-nil value. */);
Vauto_save_list_file_name = Qnil;
+#ifdef HAVE_FSYNC
+ DEFVAR_BOOL ("write-region-inhibit-fsync", &write_region_inhibit_fsync,
+ doc: /* *Non-nil means don't call fsync in `write-region'.
+This variable affects calls to `write-region' as well as save commands.
+A non-nil value may result in data loss! */);
+ write_region_inhibit_fsync = 0;
+#endif
+
defsubr (&Sfind_file_name_handler);
defsubr (&Sfile_name_directory);
defsubr (&Sfile_name_nondirectory);
defsubr (&Sread_file_name);
defsubr (&Snext_read_file_uses_dialog_p);
-#ifdef unix
+#ifdef HAVE_SYNC
defsubr (&Sunix_sync);
#endif
}
HCoop / bpt / emacs.git / blobdiff