X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/67fbc0cb3ae4c523798c4dde7867e5c637cea2ff..72af86bd8cf1812d1fcc8924c4093d692040a664:/src/fileio.c
diff --git a/src/fileio.c b/src/fileio.c
index 9651ac8e18..ee2dc9fa52 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1,7 +1,7 @@
/* File IO for GNU Emacs.
Copyright (C) 1985, 1986, 1987, 1988, 1993, 1994, 1995, 1996,
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GNU Emacs.
@@ -28,6 +28,7 @@ along with GNU Emacs. If not, see . */
#include
#include
#include
+#include
#ifdef HAVE_UNISTD_H
#include
@@ -52,10 +53,9 @@ along with GNU Emacs. If not, see . */
#include
#include
-#ifndef vax11c
-#ifndef USE_CRT_DLL
-extern int errno;
-#endif
+#ifdef HAVE_LIBSELINUX
+#include
+#include
#endif
#include "lisp.h"
@@ -78,17 +78,11 @@ extern int errno;
#ifdef MSDOS
#include "msdos.h"
#include
-#if __DJGPP__ >= 2
#include
#include
#endif
-#endif
#ifdef DOS_NT
-#define CORRECT_DIR_SEPS(s) \
- do { if ('/' == DIRECTORY_SEP) dostounix_filename (s); \
- else unixtodos_filename (s); \
- } while (0)
/* On Windows, drive letters must be alphabetic - on DOS, the Netware
redirector allows the six letters between 'Z' and 'a' as well. */
#ifdef MSDOS
@@ -193,6 +187,9 @@ Lisp_Object Vauto_save_list_file_name;
/* Whether or not files are auto-saved into themselves. */
Lisp_Object Vauto_save_visited_file_name;
+/* Whether or not to continue auto-saving after a large deletion. */
+Lisp_Object Vauto_save_include_big_deletions;
+
/* On NT, specifies the directory separator character, used (eg.) when
expanding file names. This can be bound to / or \. */
Lisp_Object Vdirectory_sep_char;
@@ -203,7 +200,7 @@ int write_region_inhibit_fsync;
#endif
/* Non-zero means call move-file-to-trash in Fdelete_file or
- Fdelete_directory. */
+ Fdelete_directory_internal. */
int delete_by_moving_to_trash;
Lisp_Object Qdelete_by_moving_to_trash;
@@ -211,6 +208,12 @@ Lisp_Object Qdelete_by_moving_to_trash;
/* Lisp function for moving files to trash. */
Lisp_Object Qmove_file_to_trash;
+/* Lisp function for recursively copying directories. */
+Lisp_Object Qcopy_directory;
+
+/* Lisp function for recursively deleting directories. */
+Lisp_Object Qdelete_directory;
+
extern Lisp_Object Vuser_login_name;
#ifdef WINDOWSNT
@@ -221,8 +224,6 @@ extern int minibuf_level;
extern int minibuffer_auto_raise;
-extern int history_delete_duplicates;
-
/* These variables describe handlers that have "already" had a chance
to handle the current operation.
@@ -239,15 +240,13 @@ Lisp_Object Qfile_name_history;
Lisp_Object Qcar_less_than_car;
-static int a_write P_ ((int, Lisp_Object, int, int,
- Lisp_Object *, struct coding_system *));
-static int e_write P_ ((int, Lisp_Object, int, int, struct coding_system *));
+static int a_write (int, Lisp_Object, int, int,
+ Lisp_Object *, struct coding_system *);
+static int e_write (int, Lisp_Object, int, int, struct coding_system *);
void
-report_file_error (string, data)
- const char *string;
- Lisp_Object data;
+report_file_error (const char *string, Lisp_Object data)
{
Lisp_Object errstring;
int errorno = errno;
@@ -275,7 +274,7 @@ report_file_error (string, data)
int c;
str = (char *) SDATA (errstring);
- c = STRING_CHAR (str, 0);
+ c = STRING_CHAR (str);
Faset (errstring, make_number (0), make_number (DOWNCASE (c)));
}
@@ -285,8 +284,7 @@ report_file_error (string, data)
}
Lisp_Object
-close_file_unwind (fd)
- Lisp_Object fd;
+close_file_unwind (Lisp_Object fd)
{
emacs_close (XFASTINT (fd));
return Qnil;
@@ -294,9 +292,8 @@ close_file_unwind (fd)
/* Restore point, having saved it as a marker. */
-static Lisp_Object
-restore_point_unwind (location)
- Lisp_Object location;
+Lisp_Object
+restore_point_unwind (Lisp_Object location)
{
Fgoto_char (location);
Fset_marker (location, Qnil, Qnil);
@@ -314,7 +311,7 @@ Lisp_Object Qfile_name_as_directory;
Lisp_Object Qcopy_file;
Lisp_Object Qmake_directory_internal;
Lisp_Object Qmake_directory;
-Lisp_Object Qdelete_directory;
+Lisp_Object Qdelete_directory_internal;
Lisp_Object Qdelete_file;
Lisp_Object Qrename_file;
Lisp_Object Qadd_name_to_file;
@@ -331,6 +328,8 @@ Lisp_Object Qfile_accessible_directory_p;
Lisp_Object Qfile_modes;
Lisp_Object Qset_file_modes;
Lisp_Object Qset_file_times;
+Lisp_Object Qfile_selinux_context;
+Lisp_Object Qset_file_selinux_context;
Lisp_Object Qfile_newer_than_file_p;
Lisp_Object Qinsert_file_contents;
Lisp_Object Qwrite_region;
@@ -424,9 +423,11 @@ Given a Unix syntax file name, returns a string ending in slash. */)
return call2 (handler, Qfile_name_directory, filename);
filename = FILE_SYSTEM_CASE (filename);
- beg = SDATA (filename);
#ifdef DOS_NT
- beg = strcpy (alloca (strlen (beg) + 1), beg);
+ beg = (unsigned char *) alloca (SBYTES (filename) + 1);
+ memcpy (beg, SDATA (filename), SBYTES (filename) + 1);
+#else
+ beg = SDATA (filename);
#endif
p = beg + SBYTES (filename);
@@ -465,7 +466,7 @@ Given a Unix syntax file name, returns a string ending in slash. */)
p = beg + strlen (beg);
}
}
- CORRECT_DIR_SEPS (beg);
+ dostounix_filename (beg);
#endif /* DOS_NT */
return make_specified_string (beg, -1, p - beg, STRING_MULTIBYTE (filename));
@@ -534,8 +535,7 @@ get a current directory to run processes in. */)
char *
-file_name_as_directory (out, in)
- char *out, *in;
+file_name_as_directory (char *out, char *in)
{
int size = strlen (in) - 1;
@@ -552,12 +552,11 @@ file_name_as_directory (out, in)
/* For Unix syntax, Append a slash if necessary */
if (!IS_DIRECTORY_SEP (out[size]))
{
- /* Cannot use DIRECTORY_SEP, which could have any value */
- out[size + 1] = '/';
+ out[size + 1] = DIRECTORY_SEP;
out[size + 2] = '\0';
}
#ifdef DOS_NT
- CORRECT_DIR_SEPS (out);
+ dostounix_filename (out);
#endif
return out;
}
@@ -600,8 +599,7 @@ For a Unix-syntax file name, just appends a slash. */)
*/
int
-directory_file_name (src, dst)
- char *src, *dst;
+directory_file_name (char *src, char *dst)
{
long slen;
@@ -618,7 +616,7 @@ directory_file_name (src, dst)
)
dst[slen - 1] = 0;
#ifdef DOS_NT
- CORRECT_DIR_SEPS (dst);
+ dostounix_filename (dst);
#endif
return 1;
}
@@ -653,7 +651,7 @@ In Unix-syntax, this function just removes the final slash. */)
STRING_MULTIBYTE (directory));
}
-static char make_temp_name_tbl[64] =
+static const char make_temp_name_tbl[64] =
{
'A','B','C','D','E','F','G','H',
'I','J','K','L','M','N','O','P',
@@ -684,9 +682,7 @@ static unsigned make_temp_name_count, make_temp_name_count_initialized_p;
generated. */
Lisp_Object
-make_temp_name (prefix, base64_p)
- Lisp_Object prefix;
- int base64_p;
+make_temp_name (Lisp_Object prefix, int base64_p)
{
Lisp_Object val;
int len, clen;
@@ -729,10 +725,10 @@ make_temp_name (prefix, base64_p)
if (!STRING_MULTIBYTE (prefix))
STRING_SET_UNIBYTE (val);
data = SDATA (val);
- bcopy(SDATA (prefix), data, len);
+ memcpy (data, SDATA (prefix), len);
p = data + len;
- bcopy (pidbuf, p, pidlen);
+ memcpy (p, pidbuf, pidlen);
p += pidlen;
/* Here we try to minimize useless stat'ing when this function is
@@ -941,10 +937,9 @@ filesystem tree, not (expand-file-name ".." dirname). */)
}
}
- nm = SDATA (name);
-
/* Make a local copy of nm[] to protect it from GC in DECODE_FILE below. */
- nm = strcpy (alloca (strlen (nm) + 1), nm);
+ nm = (unsigned char *) alloca (SBYTES (name) + 1);
+ memcpy (nm, SDATA (name), SBYTES (name) + 1);
#ifdef DOS_NT
/* Note if special escape prefix is present, but remove for now. */
@@ -1024,10 +1019,9 @@ filesystem tree, not (expand-file-name ".." dirname). */)
if (!lose)
{
#ifdef DOS_NT
- /* Make sure directories are all separated with / or \ as
- desired, but avoid allocation of a new string when not
- required. */
- CORRECT_DIR_SEPS (nm);
+ /* Make sure directories are all separated with /, but
+ avoid allocation of a new string when not required. */
+ dostounix_filename (nm);
#ifdef WINDOWSNT
if (IS_DIRECTORY_SEP (nm[1]))
{
@@ -1099,7 +1093,7 @@ filesystem tree, not (expand-file-name ".." dirname). */)
unsigned char *o, *p;
for (p = nm; *p && (!IS_DIRECTORY_SEP (*p)); p++);
o = alloca (p - nm + 1);
- bcopy ((char *) nm, o, p - nm);
+ memcpy (o, nm, p - nm);
o [p - nm] = 0;
BLOCK_INPUT;
@@ -1250,7 +1244,7 @@ filesystem tree, not (expand-file-name ".." dirname). */)
)
{
unsigned char *temp = (unsigned char *) alloca (length);
- bcopy (newdir, temp, length - 1);
+ memcpy (temp, newdir, length - 1);
temp[length - 1] = 0;
newdir = temp;
}
@@ -1373,7 +1367,7 @@ filesystem tree, not (expand-file-name ".." dirname). */)
target[0] = '/';
target[1] = ':';
}
- CORRECT_DIR_SEPS (target);
+ dostounix_filename (target);
#endif /* DOS_NT */
result = make_specified_string (target, -1, o - target, multibyte);
@@ -1399,8 +1393,9 @@ filesystem tree, not (expand-file-name ".." dirname). */)
bugs _are_ found, it might be of interest to look at the old code and
see what did it do in the relevant situation.
- Don't remove this code: it's true that it will be accessible via CVS,
- but a few years from deletion, people will forget it is there. */
+ Don't remove this code: it's true that it will be accessible
+ from the repository, but a few years from deletion, people will
+ forget it is there. */
/* Changed this DEFUN to a DEAFUN, so as not to confuse `make-docfile'. */
DEAFUN ("expand-file-name", Fexpand_file_name, Sexpand_file_name, 1, 2, 0,
@@ -1472,7 +1467,7 @@ See also the function `substitute-in-file-name'.")
int len = ptr ? ptr - user : strlen (user);
/* Copy the user name into temp storage. */
o = (unsigned char *) alloca (len + 1);
- bcopy ((char *) user, o, len);
+ memcpy (o, user, len);
o[len] = 0;
/* Look up the user name. */
@@ -1555,8 +1550,7 @@ See also the function `substitute-in-file-name'.")
/* If /~ or // appears, discard everything through first slash. */
static int
-file_name_absolute_p (filename)
- const unsigned char *filename;
+file_name_absolute_p (const unsigned char *filename)
{
return
(IS_DIRECTORY_SEP (*filename) || *filename == '~'
@@ -1568,8 +1562,7 @@ file_name_absolute_p (filename)
}
static unsigned char *
-search_embedded_absfilename (nm, endp)
- unsigned char *nm, *endp;
+search_embedded_absfilename (unsigned char *nm, unsigned char *endp)
{
unsigned char *p, *s;
@@ -1590,7 +1583,7 @@ search_embedded_absfilename (nm, endp)
{
unsigned char *o = alloca (s - p + 1);
struct passwd *pw;
- bcopy (p, o, s - p);
+ memcpy (o, p, s - p);
o [s - p] = 0;
/* If we have ~user and `user' exists, discard
@@ -1616,7 +1609,10 @@ DEFUN ("substitute-in-file-name", Fsubstitute_in_file_name,
the value of that variable. The variable name should be terminated
with a character not a letter, digit or underscore; otherwise, enclose
the entire variable name in braces.
-If `/~' appears, all of FILENAME through that `/' is discarded. */)
+
+If `/~' appears, all of FILENAME through that `/' is discarded.
+If `//' appears, everything up to and including the first of
+those `/' is discarded. */)
(filename)
Lisp_Object filename;
{
@@ -1626,21 +1622,28 @@ If `/~' appears, all of FILENAME through that `/' is discarded. */)
unsigned char *target = NULL;
int total = 0;
int substituted = 0;
+ int multibyte;
unsigned char *xnm;
Lisp_Object handler;
CHECK_STRING (filename);
+ multibyte = STRING_MULTIBYTE (filename);
+
/* If the file name has special constructs in it,
call the corresponding file handler. */
handler = Ffind_file_name_handler (filename, Qsubstitute_in_file_name);
if (!NILP (handler))
return call2 (handler, Qsubstitute_in_file_name, filename);
- nm = SDATA (filename);
+ /* Always work on a copy of the string, in case GC happens during
+ decode of environment variables, causing the original Lisp_String
+ data to be relocated. */
+ nm = (unsigned char *) alloca (SBYTES (filename) + 1);
+ memcpy (nm, SDATA (filename), SBYTES (filename) + 1);
+
#ifdef DOS_NT
- nm = strcpy (alloca (strlen (nm) + 1), nm);
- CORRECT_DIR_SEPS (nm);
+ dostounix_filename (nm);
substituted = (strcmp (nm, SDATA (filename)) != 0);
#endif
endp = nm + SBYTES (filename);
@@ -1652,9 +1655,7 @@ If `/~' appears, all of FILENAME through that `/' is discarded. */)
again. Important with filenames like "/home/foo//:/hello///there"
which whould substitute to "/:/hello///there" rather than "/there". */
return Fsubstitute_in_file_name
- (make_specified_string (p, -1, endp - p,
- STRING_MULTIBYTE (filename)));
-
+ (make_specified_string (p, -1, endp - p, multibyte));
/* See if any variables are substituted into the string
and find the total length of their values in `total' */
@@ -1700,8 +1701,16 @@ If `/~' appears, all of FILENAME through that `/' is discarded. */)
/* Get variable value */
o = (unsigned char *) egetenv (target);
if (o)
- { /* Eight-bit chars occupy upto 2 bytes in multibyte. */
- total += strlen (o) * (STRING_MULTIBYTE (filename) ? 2 : 1);
+ {
+ /* Don't try to guess a maximum length - UTF8 can use up to
+ four bytes per character. This code is unlikely to run
+ in a situation that requires performance, so decoding the
+ env variables twice should be acceptable. Note that
+ decoding may cause a garbage collect. */
+ Lisp_Object orig, decoded;
+ orig = make_unibyte_string (o, strlen (o));
+ decoded = DECODE_FILE (orig);
+ total += SBYTES (decoded);
substituted = 1;
}
else if (*p == '}')
@@ -1759,21 +1768,22 @@ If `/~' appears, all of FILENAME through that `/' is discarded. */)
*x++ = '$';
strcpy (x, target); x+= strlen (target);
}
- else if (STRING_MULTIBYTE (filename))
- {
- /* If the original string is multibyte,
- convert what we substitute into multibyte. */
- while (*o)
- {
- int c = *o++;
- c = unibyte_char_to_multibyte (c);
- x += CHAR_STRING (c, x);
- }
- }
else
{
- strcpy (x, o);
- x += strlen (o);
+ Lisp_Object orig, decoded;
+ int orig_length, decoded_length;
+ orig_length = strlen (o);
+ orig = make_unibyte_string (o, orig_length);
+ decoded = DECODE_FILE (orig);
+ decoded_length = SBYTES (decoded);
+ strncpy (x, SDATA (decoded), decoded_length);
+ x += decoded_length;
+
+ /* If environment variable needed decoding, return value
+ needs to be multibyte. */
+ if (decoded_length != orig_length
+ || strncmp (SDATA (decoded), o, orig_length))
+ multibyte = 1;
}
}
@@ -1786,7 +1796,7 @@ If `/~' appears, all of FILENAME through that `/' is discarded. */)
need to quote some $ to $$ first. */
xnm = p;
- return make_specified_string (xnm, -1, x - xnm, STRING_MULTIBYTE (filename));
+ return make_specified_string (xnm, -1, x - xnm, multibyte);
badsubst:
error ("Bad format environment-variable substitution");
@@ -1803,8 +1813,7 @@ If `/~' appears, all of FILENAME through that `/' is discarded. */)
(directory-file-name (expand-file-name FOO)). */
Lisp_Object
-expand_and_dir_to_file (filename, defdir)
- Lisp_Object filename, defdir;
+expand_and_dir_to_file (Lisp_Object filename, Lisp_Object defdir)
{
register Lisp_Object absname;
@@ -1833,12 +1842,7 @@ expand_and_dir_to_file (filename, defdir)
If QUICK is nonzero, we ask for y or n, not yes or no. */
void
-barf_or_query_if_file_exists (absname, querystring, interactive, statptr, quick)
- Lisp_Object absname;
- unsigned char *querystring;
- int interactive;
- struct stat *statptr;
- int quick;
+barf_or_query_if_file_exists (Lisp_Object absname, unsigned char *querystring, int interactive, struct stat *statptr, int quick)
{
register Lisp_Object tem, encoded_filename;
struct stat statbuf;
@@ -1875,7 +1879,7 @@ barf_or_query_if_file_exists (absname, querystring, interactive, statptr, quick)
return;
}
-DEFUN ("copy-file", Fcopy_file, Scopy_file, 2, 5,
+DEFUN ("copy-file", Fcopy_file, Scopy_file, 2, 6,
"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.
@@ -1897,10 +1901,13 @@ last-modified time as the old one. (This works on only some systems.)
A prefix arg makes KEEP-TIME non-nil.
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)
+uid and gid of FILE to NEWNAME.
+
+If PRESERVE-SELINUX-CONTEXT is non-nil and SELinux is enabled
+on the system, we copy the SELinux context of FILE to NEWNAME. */)
+ (file, newname, ok_if_already_exists, keep_time, preserve_uid_gid, preserve_selinux_context)
Lisp_Object file, newname, ok_if_already_exists, keep_time;
- Lisp_Object preserve_uid_gid;
+ Lisp_Object preserve_uid_gid, preserve_selinux_context;
{
int ifd, ofd, n;
char buf[16 * 1024];
@@ -1910,6 +1917,10 @@ uid and gid of FILE to NEWNAME. */)
int count = SPECPDL_INDEX ();
int input_file_statable_p;
Lisp_Object encoded_file, encoded_newname;
+#if HAVE_LIBSELINUX
+ security_context_t con;
+ int fail, conlength = 0;
+#endif
encoded_file = encoded_newname = Qnil;
GCPRO4 (file, newname, encoded_file, encoded_newname);
@@ -1930,8 +1941,9 @@ uid and gid of FILE to NEWNAME. */)
if (NILP (handler))
handler = Ffind_file_name_handler (newname, Qcopy_file);
if (!NILP (handler))
- RETURN_UNGCPRO (call6 (handler, Qcopy_file, file, newname,
- ok_if_already_exists, keep_time, preserve_uid_gid));
+ RETURN_UNGCPRO (call7 (handler, Qcopy_file, file, newname,
+ ok_if_already_exists, keep_time, preserve_uid_gid,
+ preserve_selinux_context));
encoded_file = ENCODE_FILE (file);
encoded_newname = ENCODE_FILE (newname);
@@ -1985,7 +1997,15 @@ uid and gid of FILE to NEWNAME. */)
copyable by us. */
input_file_statable_p = (fstat (ifd, &st) >= 0);
-#if !defined (MSDOS) || __DJGPP__ > 1
+#if HAVE_LIBSELINUX
+ if (!NILP (preserve_selinux_context) && is_selinux_enabled ())
+ {
+ conlength = fgetfilecon (ifd, &con);
+ if (conlength == -1)
+ report_file_error ("Doing fgetfilecon", Fcons (file, Qnil));
+ }
+#endif
+
if (out_st.st_mode != 0
&& st.st_dev == out_st.st_dev && st.st_ino == out_st.st_ino)
{
@@ -1993,7 +2013,6 @@ uid and gid of FILE to NEWNAME. */)
report_file_error ("Input and output files are the same",
Fcons (file, Fcons (newname, Qnil)));
}
-#endif
#if defined (S_ISREG) && defined (S_ISLNK)
if (input_file_statable_p)
@@ -2044,6 +2063,18 @@ uid and gid of FILE to NEWNAME. */)
}
#endif /* not MSDOS */
+#if HAVE_LIBSELINUX
+ if (conlength > 0)
+ {
+ /* Set the modified context back to the file. */
+ fail = fsetfilecon (ofd, con);
+ if (fail)
+ report_file_error ("Doing fsetfilecon", Fcons (newname, Qnil));
+
+ freecon (con);
+ }
+#endif
+
/* Closing the output clobbers the file times on some systems. */
if (emacs_close (ofd) < 0)
report_file_error ("I/O error", Fcons (newname, Qnil));
@@ -2064,7 +2095,7 @@ uid and gid of FILE to NEWNAME. */)
emacs_close (ifd);
-#if defined (__DJGPP__) && __DJGPP__ > 1
+#ifdef MSDOS
if (input_file_statable_p)
{
/* In DJGPP v2.0 and later, fstat usually returns true file mode bits,
@@ -2074,7 +2105,7 @@ uid and gid of FILE to NEWNAME. */)
if ((_djstat_flags & _STFAIL_WRITEBIT) == 0)
chmod (SDATA (encoded_newname), st.st_mode & 07777);
}
-#endif /* DJGPP version 2 or newer */
+#endif /* MSDOS */
#endif /* not WINDOWSNT */
/* Discard the unwind protects. */
@@ -2115,7 +2146,8 @@ DEFUN ("make-directory-internal", Fmake_directory_internal,
return Qnil;
}
-DEFUN ("delete-directory", Fdelete_directory, Sdelete_directory, 1, 1, "FDelete directory: ",
+DEFUN ("delete-directory-internal", Fdelete_directory_internal,
+ Sdelete_directory_internal, 1, 1, 0,
doc: /* Delete the directory named DIRECTORY. Does not follow symlinks. */)
(directory)
Lisp_Object directory;
@@ -2126,16 +2158,7 @@ DEFUN ("delete-directory", Fdelete_directory, Sdelete_directory, 1, 1, "FDelete
CHECK_STRING (directory);
directory = Fdirectory_file_name (Fexpand_file_name (directory, Qnil));
-
- handler = Ffind_file_name_handler (directory, Qdelete_directory);
- if (!NILP (handler))
- return call2 (handler, Qdelete_directory, directory);
-
- if (delete_by_moving_to_trash)
- return call1 (Qmove_file_to_trash, directory);
-
encoded_dir = ENCODE_FILE (directory);
-
dir = SDATA (encoded_dir);
if (rmdir (dir) != 0)
@@ -2144,11 +2167,22 @@ DEFUN ("delete-directory", Fdelete_directory, Sdelete_directory, 1, 1, "FDelete
return Qnil;
}
-DEFUN ("delete-file", Fdelete_file, Sdelete_file, 1, 1, "fDelete file: ",
+DEFUN ("delete-file", Fdelete_file, Sdelete_file, 1, 2,
+ "(list (read-file-name \
+ (if (and delete-by-moving-to-trash (null current-prefix-arg)) \
+ \"Move file to trash: \" \"Delete file: \") \
+ nil default-directory (confirm-nonexistent-file-or-buffer)) \
+ (null current-prefix-arg))",
doc: /* Delete file named FILENAME. If it is a symlink, remove the symlink.
-If file has multiple names, it continues to exist with the other names. */)
- (filename)
+If file has multiple names, it continues to exist with the other names.
+TRASH non-nil means to trash the file instead of deleting, provided
+`delete-by-moving-to-trash' is non-nil.
+
+When called interactively, TRASH is t if no prefix argument is given.
+With a prefix argument, TRASH is nil. */)
+ (filename, trash)
Lisp_Object filename;
+ Lisp_Object trash;
{
Lisp_Object handler;
Lisp_Object encoded_file;
@@ -2165,9 +2199,9 @@ If file has multiple names, it continues to exist with the other names. */)
handler = Ffind_file_name_handler (filename, Qdelete_file);
if (!NILP (handler))
- return call2 (handler, Qdelete_file, filename);
+ return call3 (handler, Qdelete_file, filename, trash);
- if (delete_by_moving_to_trash)
+ if (delete_by_moving_to_trash && !NILP (trash))
return call1 (Qmove_file_to_trash, filename);
encoded_file = ENCODE_FILE (filename);
@@ -2178,20 +2212,20 @@ If file has multiple names, it continues to exist with the other names. */)
}
static Lisp_Object
-internal_delete_file_1 (ignore)
- Lisp_Object ignore;
+internal_delete_file_1 (Lisp_Object ignore)
{
return Qt;
}
-/* Delete file FILENAME, returning 1 if successful and 0 if failed. */
+/* Delete file FILENAME, returning 1 if successful and 0 if failed.
+ This ignores `delete-by-moving-to-trash'. */
int
-internal_delete_file (filename)
- Lisp_Object filename;
+internal_delete_file (Lisp_Object filename)
{
Lisp_Object tem;
- tem = internal_condition_case_1 (Fdelete_file, filename,
+
+ tem = internal_condition_case_2 (Fdelete_file, filename, Qnil,
Qt, internal_delete_file_1);
return NILP (tem);
}
@@ -2224,7 +2258,11 @@ This is what happens in interactive use with M-x. */)
&& (NILP (Fstring_equal (Fdowncase (file), Fdowncase (newname))))
#endif
)
- newname = Fexpand_file_name (Ffile_name_nondirectory (file), newname);
+ {
+ Lisp_Object fname = NILP (Ffile_directory_p (file))
+ ? file : Fdirectory_file_name (file);
+ newname = Fexpand_file_name (Ffile_name_nondirectory (fname), newname);
+ }
else
newname = Fexpand_file_name (newname, Qnil);
@@ -2262,15 +2300,26 @@ This is what happens in interactive use with M-x. */)
NILP (ok_if_already_exists) ? Qnil : Qt);
else
#endif
+ if (!NILP (Ffile_directory_p (file)))
+ call4 (Qcopy_directory, file, newname, Qt, Qnil);
+ else
+ /* We have already prompted if it was an integer, so don't
+ have copy-file prompt again. */
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);
+ Qt, Qt, Qt);
count = SPECPDL_INDEX ();
specbind (Qdelete_by_moving_to_trash, Qnil);
- Fdelete_file (file);
+
+ if (!NILP (Ffile_directory_p (file))
+#ifdef S_IFLNK
+ && NILP (symlink_target)
+#endif
+ )
+ call2 (Qdelete_directory, file, Qt);
+ else
+ Fdelete_file (file, Qnil);
unbind_to (count, Qnil);
}
else
@@ -2429,8 +2478,7 @@ On Unix, this is a name starting with a `/' or a `~'. */)
/* Return nonzero if file FILENAME exists and can be executed. */
static int
-check_executable (filename)
- char *filename;
+check_executable (char *filename)
{
#ifdef DOS_NT
int len = strlen (filename);
@@ -2438,16 +2486,7 @@ check_executable (filename)
struct stat st;
if (stat (filename, &st) < 0)
return 0;
-#if defined (WINDOWSNT) || (defined (MSDOS) && __DJGPP__ > 1)
return ((st.st_mode & S_IEXEC) != 0);
-#else
- return (S_ISREG (st.st_mode)
- && len >= 5
- && (xstrcasecmp ((suffix = filename + len-4), ".com") == 0
- || xstrcasecmp (suffix, ".exe") == 0
- || xstrcasecmp (suffix, ".bat") == 0)
- || (st.st_mode & S_IFMT) == S_IFDIR);
-#endif /* not WINDOWSNT */
#else /* not DOS_NT */
#ifdef HAVE_EUIDACCESS
return (euidaccess (filename, 1) >= 0);
@@ -2463,8 +2502,7 @@ check_executable (filename)
/* Return nonzero if file FILENAME exists and can be written. */
static int
-check_writable (filename)
- char *filename;
+check_writable (char *filename)
{
#ifdef MSDOS
struct stat st;
@@ -2695,7 +2733,7 @@ points to a nonexistent file. */)
{
bufsize *= 2;
buf = (char *) xrealloc (buf, bufsize);
- bzero (buf, bufsize);
+ memset (buf, 0, bufsize);
errno = 0;
valsize = readlink (SDATA (filename), buf, bufsize);
@@ -2824,6 +2862,140 @@ See `file-symlink-p' to distinguish symlinks. */)
#endif
}
+DEFUN ("file-selinux-context", Ffile_selinux_context,
+ Sfile_selinux_context, 1, 1, 0,
+ doc: /* Return SELinux context of file named FILENAME,
+as a list ("user", "role", "type", "range"). Return (nil, nil, nil, nil)
+if file does not exist, is not accessible, or SELinux is disabled */)
+ (filename)
+ Lisp_Object filename;
+{
+ Lisp_Object absname;
+ Lisp_Object values[4];
+ Lisp_Object handler;
+#if HAVE_LIBSELINUX
+ security_context_t con;
+ int conlength;
+ context_t context;
+#endif
+
+ absname = expand_and_dir_to_file (filename, current_buffer->directory);
+
+ /* If the file name has special constructs in it,
+ call the corresponding file handler. */
+ handler = Ffind_file_name_handler (absname, Qfile_selinux_context);
+ if (!NILP (handler))
+ return call2 (handler, Qfile_selinux_context, absname);
+
+ absname = ENCODE_FILE (absname);
+
+ values[0] = Qnil;
+ values[1] = Qnil;
+ values[2] = Qnil;
+ values[3] = Qnil;
+#if HAVE_LIBSELINUX
+ if (is_selinux_enabled ())
+ {
+ conlength = lgetfilecon (SDATA (absname), &con);
+ if (conlength > 0)
+ {
+ context = context_new (con);
+ if (context_user_get (context))
+ values[0] = build_string (context_user_get (context));
+ if (context_role_get (context))
+ values[1] = build_string (context_role_get (context));
+ if (context_type_get (context))
+ values[2] = build_string (context_type_get (context));
+ if (context_range_get (context))
+ values[3] = build_string (context_range_get (context));
+ context_free (context);
+ }
+ if (con)
+ freecon (con);
+ }
+#endif
+
+ return Flist (sizeof(values) / sizeof(values[0]), values);
+}
+
+DEFUN ("set-file-selinux-context", Fset_file_selinux_context,
+ Sset_file_selinux_context, 2, 2, 0,
+ doc: /* Set SELinux context of file named FILENAME to CONTEXT
+as a list ("user", "role", "type", "range"). Has no effect if SELinux
+is disabled. */)
+ (filename, context)
+ Lisp_Object filename, context;
+{
+ Lisp_Object absname, encoded_absname;
+ Lisp_Object handler;
+ Lisp_Object user = CAR_SAFE (context);
+ Lisp_Object role = CAR_SAFE (CDR_SAFE (context));
+ Lisp_Object type = CAR_SAFE (CDR_SAFE (CDR_SAFE (context)));
+ Lisp_Object range = CAR_SAFE (CDR_SAFE (CDR_SAFE (CDR_SAFE (context))));
+#if HAVE_LIBSELINUX
+ security_context_t con;
+ int fail, conlength;
+ context_t parsed_con;
+#endif
+
+ absname = Fexpand_file_name (filename, current_buffer->directory);
+
+ /* If the file name has special constructs in it,
+ call the corresponding file handler. */
+ handler = Ffind_file_name_handler (absname, Qset_file_selinux_context);
+ if (!NILP (handler))
+ return call3 (handler, Qset_file_selinux_context, absname, context);
+
+ encoded_absname = ENCODE_FILE (absname);
+
+#if HAVE_LIBSELINUX
+ if (is_selinux_enabled ())
+ {
+ /* Get current file context. */
+ conlength = lgetfilecon (SDATA (encoded_absname), &con);
+ if (conlength > 0)
+ {
+ parsed_con = context_new (con);
+ /* Change the parts defined in the parameter.*/
+ if (STRINGP (user))
+ {
+ if (context_user_set (parsed_con, SDATA (user)))
+ error ("Doing context_user_set");
+ }
+ if (STRINGP (role))
+ {
+ if (context_role_set (parsed_con, SDATA (role)))
+ error ("Doing context_role_set");
+ }
+ if (STRINGP (type))
+ {
+ if (context_type_set (parsed_con, SDATA (type)))
+ error ("Doing context_type_set");
+ }
+ if (STRINGP (range))
+ {
+ if (context_range_set (parsed_con, SDATA (range)))
+ error ("Doing context_range_set");
+ }
+
+ /* Set the modified context back to the file. */
+ fail = lsetfilecon (SDATA (encoded_absname), context_str (parsed_con));
+ if (fail)
+ report_file_error ("Doing lsetfilecon", Fcons (absname, Qnil));
+
+ context_free (parsed_con);
+ }
+ else
+ report_file_error("Doing lgetfilecon", Fcons (absname, Qnil));
+
+ if (con)
+ freecon (con);
+ }
+#endif
+
+ return Qnil;
+}
+
DEFUN ("file-modes", Ffile_modes, Sfile_modes, 1, 1, 0,
doc: /* Return mode bits of file named FILENAME, as an integer.
Return nil, if file does not exist or is not accessible. */)
@@ -2846,10 +3018,6 @@ Return nil, if file does not exist or is not accessible. */)
if (stat (SDATA (absname), &st) < 0)
return Qnil;
-#if defined (MSDOS) && __DJGPP__ < 2
- if (check_executable (SDATA (absname)))
- st.st_mode |= S_IEXEC;
-#endif /* MSDOS && __DJGPP__ < 2 */
return make_number (st.st_mode & 07777);
}
@@ -2914,7 +3082,7 @@ The value is an integer. */)
return value;
}
-extern int lisp_time_argument P_ ((Lisp_Object, time_t *, int *));
+extern int lisp_time_argument (Lisp_Object, time_t *, int *);
DEFUN ("set-file-times", Fset_file_times, Sset_file_times, 1, 2, 0,
doc: /* Set times of file FILENAME to TIME.
@@ -3032,8 +3200,6 @@ Lisp_Object Qfind_buffer_file_type;
#define READ_BUF_SIZE (64 << 10)
#endif
-extern void adjust_markers_for_delete P_ ((int, int, int, int));
-
/* This function is called after Lisp functions to decide a coding
system are called, or when they cause an error. Before they are
called, the current buffer is set unibyte and it contains only a
@@ -3050,8 +3216,7 @@ extern void adjust_markers_for_delete P_ ((int, int, int, int));
o set back the buffer multibyteness. */
static Lisp_Object
-decide_coding_unwind (unwind_data)
- Lisp_Object unwind_data;
+decide_coding_unwind (Lisp_Object unwind_data)
{
Lisp_Object multibyte, undo_list, buffer;
@@ -3078,19 +3243,19 @@ decide_coding_unwind (unwind_data)
/* Used to pass values from insert-file-contents to read_non_regular. */
static int non_regular_fd;
-static int non_regular_inserted;
-static int non_regular_nbytes;
+static EMACS_INT non_regular_inserted;
+static EMACS_INT non_regular_nbytes;
/* Read from a non-regular file.
- Read non_regular_trytry bytes max from non_regular_fd.
+ Read non_regular_nbytes bytes max from non_regular_fd.
Non_regular_inserted specifies where to put the read bytes.
Value is the number of bytes read. */
static Lisp_Object
-read_non_regular ()
+read_non_regular (Lisp_Object ignore)
{
- int nbytes;
+ EMACS_INT nbytes;
immediate_quit = 1;
QUIT;
@@ -3106,7 +3271,7 @@ read_non_regular ()
in insert-file-contents. */
static Lisp_Object
-read_non_regular_quit ()
+read_non_regular_quit (Lisp_Object ignore)
{
return Qnil;
}
@@ -3140,15 +3305,15 @@ variable `last-coding-system-used' to the coding system actually used. */)
{
struct stat st;
register int fd;
- int inserted = 0;
+ EMACS_INT inserted = 0;
int nochange = 0;
- register int how_much;
- register int unprocessed;
+ register EMACS_INT how_much;
+ register EMACS_INT unprocessed;
int count = SPECPDL_INDEX ();
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5;
Lisp_Object handler, val, insval, orig_filename, old_undo;
Lisp_Object p;
- int total = 0;
+ EMACS_INT total = 0;
int not_regular = 0;
unsigned char read_buf[READ_BUF_SIZE];
struct coding_system coding;
@@ -3284,7 +3449,11 @@ variable `last-coding-system-used' to the coding system actually used. */)
overflow. The calculations below double the file size
twice, so check that it can be multiplied by 4 safely. */
if (XINT (end) != st.st_size
- || st.st_size > INT_MAX / 4)
+ /* Actually, it should test either INT_MAX or LONG_MAX
+ depending on which one is used for EMACS_INT. But in
+ any case, in practice, this test is redundant with the
+ one above.
+ || st.st_size > INT_MAX / 4 */)
error ("Maximum buffer size exceeded");
/* The file size returned from stat may be zero, but data
@@ -3320,7 +3489,7 @@ variable `last-coding-system-used' to the coding system actually used. */)
We assume that the 1K-byte and 3K-byte for heading
and tailing respectively are sufficient for this
purpose. */
- int nread;
+ EMACS_INT nread;
if (st.st_size <= (1024 * 4))
nread = emacs_read (fd, read_buf, 1024 * 4);
@@ -3430,9 +3599,9 @@ variable `last-coding-system-used' to the coding system actually used. */)
/* same_at_start and same_at_end count bytes,
because file access counts bytes
and BEG and END count bytes. */
- int same_at_start = BEGV_BYTE;
- int same_at_end = ZV_BYTE;
- int overlap;
+ EMACS_INT same_at_start = BEGV_BYTE;
+ EMACS_INT same_at_end = ZV_BYTE;
+ EMACS_INT overlap;
/* There is still a possibility we will find the need to do code
conversion. If that happens, we set this variable to 1 to
give up on handling REPLACE in the optimized way. */
@@ -3451,7 +3620,7 @@ variable `last-coding-system-used' to the coding system actually used. */)
match the text at the beginning of the buffer. */
while (1)
{
- int nread, bufpos;
+ EMACS_INT nread, bufpos;
nread = emacs_read (fd, buffer, sizeof buffer);
if (nread < 0)
@@ -3502,7 +3671,7 @@ variable `last-coding-system-used' to the coding system actually used. */)
already found that decoding is necessary, don't waste time. */
while (!giveup_match_end)
{
- int total_read, nread, bufpos, curpos, trial;
+ EMACS_INT total_read, nread, bufpos, curpos, trial;
/* At what file position are we now scanning? */
curpos = XINT (end) - (ZV_BYTE - same_at_end);
@@ -3558,7 +3727,7 @@ variable `last-coding-system-used' to the coding system actually used. */)
if (! giveup_match_end)
{
- int temp;
+ EMACS_INT temp;
/* We win! We can handle REPLACE the optimized way. */
@@ -3618,7 +3787,7 @@ variable `last-coding-system-used' to the coding system actually used. */)
EMACS_INT overlap;
EMACS_INT bufpos;
unsigned char *decoded;
- int temp;
+ EMACS_INT temp;
int this_count = SPECPDL_INDEX ();
int multibyte = ! NILP (current_buffer->enable_multibyte_characters);
Lisp_Object conversion_buffer;
@@ -3643,8 +3812,9 @@ variable `last-coding-system-used' to the coding system actually used. */)
/* We read one bunch by one (READ_BUF_SIZE bytes) to allow
quitting while reading a huge while. */
/* try is reserved in some compilers (Microsoft C) */
- int trytry = min (total - how_much, READ_BUF_SIZE - unprocessed);
- int this;
+ EMACS_INT trytry = min (total - how_much,
+ READ_BUF_SIZE - unprocessed);
+ EMACS_INT this;
/* Allow quitting out of the actual I/O. */
immediate_quit = 1;
@@ -3667,7 +3837,7 @@ variable `last-coding-system-used' to the coding system actually used. */)
conversion_buffer);
unprocessed = coding.carryover_bytes;
if (coding.carryover_bytes > 0)
- bcopy (coding.carryover, read_buf, unprocessed);
+ memcpy (read_buf, coding.carryover, unprocessed);
}
UNGCPRO;
emacs_close (fd);
@@ -3693,6 +3863,7 @@ variable `last-coding-system-used' to the coding system actually used. */)
}
coding_system = CODING_ID_NAME (coding.id);
+ set_coding_system = 1;
decoded = BUF_BEG_ADDR (XBUFFER (conversion_buffer));
inserted = (BUF_Z_BYTE (XBUFFER (conversion_buffer))
- BUF_BEG_BYTE (XBUFFER (conversion_buffer)));
@@ -3847,13 +4018,13 @@ variable `last-coding-system-used' to the coding system actually used. */)
/* Here, we don't do code conversion in the loop. It is done by
decode_coding_gap after all data are read into the buffer. */
{
- int gap_size = GAP_SIZE;
+ EMACS_INT gap_size = GAP_SIZE;
while (how_much < total)
{
/* try is reserved in some compilers (Microsoft C) */
- int trytry = min (total - how_much, READ_BUF_SIZE);
- int this;
+ EMACS_INT trytry = min (total - how_much, READ_BUF_SIZE);
+ EMACS_INT this;
if (not_regular)
{
@@ -4072,11 +4243,12 @@ variable `last-coding-system-used' to the coding system actually used. */)
if (NILP (handler))
{
current_buffer->modtime = st.st_mtime;
+ current_buffer->modtime_size = st.st_size;
current_buffer->filename = orig_filename;
}
SAVE_MODIFF = MODIFF;
- current_buffer->auto_save_modified = MODIFF;
+ BUF_AUTOSAVE_MODIFF (current_buffer) = MODIFF;
XSETFASTINT (current_buffer->save_length, Z - BEG);
#ifdef CLASH_DETECTION
if (NILP (handler))
@@ -4110,7 +4282,7 @@ variable `last-coding-system-used' to the coding system actually used. */)
{
/* Don't run point motion or modification hooks when decoding. */
int count = SPECPDL_INDEX ();
- int old_inserted = inserted;
+ EMACS_INT old_inserted = inserted;
specbind (Qinhibit_point_motion_hooks, Qt);
specbind (Qinhibit_modification_hooks, Qt);
@@ -4136,9 +4308,9 @@ variable `last-coding-system-used' to the coding system actually used. */)
Hence we temporarily save `point' and `inserted' here and
restore `point' iff format-decode did not insert or delete
any text. Otherwise we leave `point' at point-min. */
- int opoint = PT;
- int opoint_byte = PT_BYTE;
- int oinserted = ZV - BEGV;
+ EMACS_INT opoint = PT;
+ EMACS_INT opoint_byte = PT_BYTE;
+ EMACS_INT oinserted = ZV - BEGV;
int ochars_modiff = CHARS_MODIFF;
TEMP_SET_PT_BOTH (BEGV, BEGV_BYTE);
@@ -4174,9 +4346,9 @@ variable `last-coding-system-used' to the coding system actually used. */)
{
/* For the rationale of this see the comment on
format-decode above. */
- int opoint = PT;
- int opoint_byte = PT_BYTE;
- int oinserted = ZV - BEGV;
+ EMACS_INT opoint = PT;
+ EMACS_INT opoint_byte = PT_BYTE;
+ EMACS_INT oinserted = ZV - BEGV;
int ochars_modiff = CHARS_MODIFF;
TEMP_SET_PT_BOTH (BEGV, BEGV_BYTE);
@@ -4253,11 +4425,10 @@ variable `last-coding-system-used' to the coding system actually used. */)
RETURN_UNGCPRO (unbind_to (count, val));
}
-static Lisp_Object build_annotations P_ ((Lisp_Object, Lisp_Object));
+static Lisp_Object build_annotations (Lisp_Object, Lisp_Object);
static Lisp_Object
-build_annotations_unwind (arg)
- Lisp_Object arg;
+build_annotations_unwind (Lisp_Object arg)
{
Vwrite_region_annotation_buffers = arg;
return Qnil;
@@ -4266,10 +4437,9 @@ build_annotations_unwind (arg)
/* Decide the coding-system to encode the data with. */
static Lisp_Object
-choose_write_coding_system (start, end, filename,
- append, visit, lockname, coding)
- Lisp_Object start, end, filename, append, visit, lockname;
- struct coding_system *coding;
+choose_write_coding_system (Lisp_Object start, Lisp_Object end, Lisp_Object filename,
+ Lisp_Object append, Lisp_Object visit, Lisp_Object lockname,
+ struct coding_system *coding)
{
Lisp_Object val;
Lisp_Object eol_parent = Qnil;
@@ -4406,7 +4576,10 @@ The optional seventh arg MUSTBENEW, if non-nil, insists on a check
This does code conversion according to the value of
`coding-system-for-write', `buffer-file-coding-system', or
`file-coding-system-alist', and sets the variable
-`last-coding-system-used' to the coding system actually used. */)
+`last-coding-system-used' to the coding system actually used.
+
+This calls `write-region-annotate-functions' at the start, and
+`write-region-post-annotation-function' at the end. */)
(start, end, filename, append, visit, lockname, mustbenew)
Lisp_Object start, end, filename, append, visit, lockname, mustbenew;
{
@@ -4648,7 +4821,7 @@ This does code conversion according to the value of
specpdl_ptr = specpdl + count1;
/* Call write-region-post-annotation-function. */
- while (!NILP (Vwrite_region_annotation_buffers))
+ while (CONSP (Vwrite_region_annotation_buffers))
{
Lisp_Object buf = XCAR (Vwrite_region_annotation_buffers);
if (!NILP (Fbuffer_live_p (buf)))
@@ -4672,7 +4845,10 @@ This does code conversion according to the value of
to avoid a "file has changed on disk" warning on
next attempt to save. */
if (visiting)
- current_buffer->modtime = st.st_mtime;
+ {
+ current_buffer->modtime = st.st_mtime;
+ current_buffer->modtime_size = st.st_size;
+ }
if (failure)
error ("IO error writing %s: %s", SDATA (filename),
@@ -4706,7 +4882,7 @@ This does code conversion according to the value of
return Qnil;
}
-Lisp_Object merge ();
+Lisp_Object merge (Lisp_Object, Lisp_Object, Lisp_Object);
DEFUN ("car-less-than-car", Fcar_less_than_car, Scar_less_than_car, 2, 2, 0,
doc: /* Return t if (car A) is numerically less than (car B). */)
@@ -4725,8 +4901,7 @@ DEFUN ("car-less-than-car", Fcar_less_than_car, Scar_less_than_car, 2, 2, 0,
as save-excursion would do. */
static Lisp_Object
-build_annotations (start, end)
- Lisp_Object start, end;
+build_annotations (Lisp_Object start, Lisp_Object end)
{
Lisp_Object annotations;
Lisp_Object p, res;
@@ -4815,13 +4990,7 @@ build_annotations (start, end)
The return value is negative in case of system call failure. */
static int
-a_write (desc, string, pos, nchars, annot, coding)
- int desc;
- Lisp_Object string;
- register int nchars;
- int pos;
- Lisp_Object *annot;
- struct coding_system *coding;
+a_write (int desc, Lisp_Object string, int pos, register int nchars, Lisp_Object *annot, struct coding_system *coding)
{
Lisp_Object tem;
int nextpos;
@@ -4865,11 +5034,7 @@ a_write (desc, string, pos, nchars, annot, coding)
are indexes to the string STRING. */
static int
-e_write (desc, string, start, end, coding)
- int desc;
- Lisp_Object string;
- int start, end;
- struct coding_system *coding;
+e_write (int desc, Lisp_Object string, int start, int end, struct coding_system *coding)
{
if (STRINGP (string))
{
@@ -4981,11 +5146,13 @@ See Info node `(elisp)Modification Time' for more details. */)
else
st.st_mtime = 0;
}
- if (st.st_mtime == b->modtime
- /* If both are positive, accept them if they are off by one second. */
- || (st.st_mtime > 0 && b->modtime > 0
- && (st.st_mtime == b->modtime + 1
- || st.st_mtime == b->modtime - 1)))
+ if ((st.st_mtime == b->modtime
+ /* If both are positive, accept them if they are off by one second. */
+ || (st.st_mtime > 0 && b->modtime > 0
+ && (st.st_mtime == b->modtime + 1
+ || st.st_mtime == b->modtime - 1)))
+ && (st.st_size == b->modtime_size
+ || b->modtime_size < 0))
return Qt;
return Qnil;
}
@@ -4997,6 +5164,7 @@ Next attempt to save will certainly not complain of a discrepancy. */)
()
{
current_buffer->modtime = 0;
+ current_buffer->modtime_size = -1;
return Qnil;
}
@@ -5026,7 +5194,10 @@ An argument specifies the modification time value to use
Lisp_Object time_list;
{
if (!NILP (time_list))
- current_buffer->modtime = cons_to_long (time_list);
+ {
+ current_buffer->modtime = cons_to_long (time_list);
+ current_buffer->modtime_size = -1;
+ }
else
{
register Lisp_Object filename;
@@ -5045,15 +5216,17 @@ An argument specifies the modification time value to use
filename = ENCODE_FILE (filename);
if (stat (SDATA (filename), &st) >= 0)
- current_buffer->modtime = st.st_mtime;
+ {
+ current_buffer->modtime = st.st_mtime;
+ current_buffer->modtime_size = st.st_size;
+ }
}
return Qnil;
}
Lisp_Object
-auto_save_error (error)
- Lisp_Object error;
+auto_save_error (Lisp_Object error)
{
Lisp_Object args[3], msg;
int i, nbytes;
@@ -5072,7 +5245,7 @@ auto_save_error (error)
GCPRO1 (msg);
nbytes = SBYTES (msg);
SAFE_ALLOCA (msgbuf, char *, nbytes);
- bcopy (SDATA (msg), msgbuf, nbytes);
+ memcpy (msgbuf, SDATA (msg), nbytes);
for (i = 0; i < 3; ++i)
{
@@ -5089,7 +5262,7 @@ auto_save_error (error)
}
Lisp_Object
-auto_save_1 ()
+auto_save_1 (void)
{
struct stat st;
Lisp_Object modes;
@@ -5115,8 +5288,8 @@ auto_save_1 ()
}
static Lisp_Object
-do_auto_save_unwind (arg) /* used as unwind-protect function */
- Lisp_Object arg;
+do_auto_save_unwind (Lisp_Object arg) /* used as unwind-protect function */
+
{
FILE *stream = (FILE *) XSAVE_VALUE (arg)->pointer;
auto_saving = 0;
@@ -5130,16 +5303,15 @@ do_auto_save_unwind (arg) /* used as unwind-protect function */
}
static Lisp_Object
-do_auto_save_unwind_1 (value) /* used as unwind-protect function */
- Lisp_Object value;
+do_auto_save_unwind_1 (Lisp_Object value) /* used as unwind-protect function */
+
{
minibuffer_auto_raise = XINT (value);
return Qnil;
}
static Lisp_Object
-do_auto_save_make_dir (dir)
- Lisp_Object dir;
+do_auto_save_make_dir (Lisp_Object dir)
{
Lisp_Object mode;
@@ -5149,8 +5321,7 @@ do_auto_save_make_dir (dir)
}
static Lisp_Object
-do_auto_save_eh (ignore)
- Lisp_Object ignore;
+do_auto_save_eh (Lisp_Object ignore)
{
return Qnil;
}
@@ -5283,7 +5454,7 @@ A non-nil CURRENT-ONLY argument means save only current buffer. */)
and file changed since last real save. */
if (STRINGP (b->auto_save_file_name)
&& BUF_SAVE_MODIFF (b) < BUF_MODIFF (b)
- && b->auto_save_modified < BUF_MODIFF (b)
+ && BUF_AUTOSAVE_MODIFF (b) < BUF_MODIFF (b)
/* -1 means we've turned off autosaving for a while--see below. */
&& XINT (b->save_length) >= 0
&& (do_handled_files
@@ -5299,8 +5470,10 @@ A non-nil CURRENT-ONLY argument means save only current buffer. */)
&& EMACS_SECS (before_time) - b->auto_save_failure_time < 1200)
continue;
- if ((XFASTINT (b->save_length) * 10
- > (BUF_Z (b) - BUF_BEG (b)) * 13)
+ set_buffer_internal (b);
+ if (NILP (Vauto_save_include_big_deletions)
+ && (XFASTINT (b->save_length) * 10
+ > (BUF_Z (b) - BUF_BEG (b)) * 13)
/* A short file is likely to change a large fraction;
spare the user annoying messages. */
&& XFASTINT (b->save_length) > 5000
@@ -5319,12 +5492,11 @@ A non-nil CURRENT-ONLY argument means save only current buffer. */)
Fsleep_for (make_number (1), Qnil);
continue;
}
- set_buffer_internal (b);
if (!auto_saved && NILP (no_message))
message1 ("Auto-saving...");
internal_condition_case (auto_save_1, Qt, auto_save_error);
auto_saved++;
- b->auto_save_modified = BUF_MODIFF (b);
+ BUF_AUTOSAVE_MODIFF (b) = BUF_MODIFF (b);
XSETFASTINT (current_buffer->save_length, Z - BEG);
set_buffer_internal (old);
@@ -5369,7 +5541,9 @@ DEFUN ("set-buffer-auto-saved", Fset_buffer_auto_saved,
No auto-save file will be written until the buffer changes again. */)
()
{
- current_buffer->auto_save_modified = MODIFF;
+ /* FIXME: This should not be called in indirect buffers, since
+ they're not autosaved. */
+ BUF_AUTOSAVE_MODIFF (current_buffer) = MODIFF;
XSETFASTINT (current_buffer->save_length, Z - BEG);
current_buffer->auto_save_failure_time = -1;
return Qnil;
@@ -5392,7 +5566,9 @@ in the visited file. If the buffer has no visited file,
then any auto-save counts as "recent". */)
()
{
- return (SAVE_MODIFF < current_buffer->auto_save_modified) ? Qt : Qnil;
+ /* FIXME: maybe we should return nil for indirect buffers since
+ they're never autosaved. */
+ return (SAVE_MODIFF < BUF_AUTOSAVE_MODIFF (current_buffer) ? Qt : Qnil);
}
/* Reading and completing file names */
@@ -5401,7 +5577,7 @@ DEFUN ("next-read-file-uses-dialog-p", Fnext_read_file_uses_dialog_p,
Snext_read_file_uses_dialog_p, 0, 0, 0,
doc: /* Return t if a call to `read-file-name' will use a dialog.
The return value is only relevant for a call to `read-file-name' that happens
-before any other event (mouse or keypress) is handeled. */)
+before any other event (mouse or keypress) is handled. */)
()
{
#if defined (USE_MOTIF) || defined (HAVE_NTGUI) || defined (USE_GTK)
@@ -5415,8 +5591,7 @@ before any other event (mouse or keypress) is handeled. */)
}
Lisp_Object
-Fread_file_name (prompt, dir, default_filename, mustmatch, initial, predicate)
- Lisp_Object prompt, dir, default_filename, mustmatch, initial, predicate;
+Fread_file_name (Lisp_Object prompt, Lisp_Object dir, Lisp_Object default_filename, Lisp_Object mustmatch, Lisp_Object initial, Lisp_Object predicate)
{
struct gcpro gcpro1, gcpro2;
Lisp_Object args[7];
@@ -5434,50 +5609,44 @@ Fread_file_name (prompt, dir, default_filename, mustmatch, initial, predicate)
void
-init_fileio_once ()
+syms_of_fileio (void)
{
- /* Must be set before any path manipulation is performed. */
- XSETFASTINT (Vdirectory_sep_char, '/');
-}
-
-
-void
-syms_of_fileio ()
-{
- Qoperations = intern ("operations");
- Qexpand_file_name = intern ("expand-file-name");
- Qsubstitute_in_file_name = intern ("substitute-in-file-name");
- Qdirectory_file_name = intern ("directory-file-name");
- Qfile_name_directory = intern ("file-name-directory");
- Qfile_name_nondirectory = intern ("file-name-nondirectory");
- Qunhandled_file_name_directory = intern ("unhandled-file-name-directory");
- Qfile_name_as_directory = intern ("file-name-as-directory");
- Qcopy_file = intern ("copy-file");
- Qmake_directory_internal = intern ("make-directory-internal");
- Qmake_directory = intern ("make-directory");
- Qdelete_directory = intern ("delete-directory");
- Qdelete_file = intern ("delete-file");
- Qrename_file = intern ("rename-file");
- Qadd_name_to_file = intern ("add-name-to-file");
- Qmake_symbolic_link = intern ("make-symbolic-link");
- Qfile_exists_p = intern ("file-exists-p");
- Qfile_executable_p = intern ("file-executable-p");
- Qfile_readable_p = intern ("file-readable-p");
- Qfile_writable_p = intern ("file-writable-p");
- Qfile_symlink_p = intern ("file-symlink-p");
- Qaccess_file = intern ("access-file");
- Qfile_directory_p = intern ("file-directory-p");
- Qfile_regular_p = intern ("file-regular-p");
- Qfile_accessible_directory_p = intern ("file-accessible-directory-p");
- Qfile_modes = intern ("file-modes");
- Qset_file_modes = intern ("set-file-modes");
- Qset_file_times = intern ("set-file-times");
- Qfile_newer_than_file_p = intern ("file-newer-than-file-p");
- Qinsert_file_contents = intern ("insert-file-contents");
- Qwrite_region = intern ("write-region");
- Qverify_visited_file_modtime = intern ("verify-visited-file-modtime");
- Qset_visited_file_modtime = intern ("set-visited-file-modtime");
- Qauto_save_coding = intern ("auto-save-coding");
+ Qoperations = intern_c_string ("operations");
+ Qexpand_file_name = intern_c_string ("expand-file-name");
+ Qsubstitute_in_file_name = intern_c_string ("substitute-in-file-name");
+ Qdirectory_file_name = intern_c_string ("directory-file-name");
+ Qfile_name_directory = intern_c_string ("file-name-directory");
+ Qfile_name_nondirectory = intern_c_string ("file-name-nondirectory");
+ Qunhandled_file_name_directory = intern_c_string ("unhandled-file-name-directory");
+ Qfile_name_as_directory = intern_c_string ("file-name-as-directory");
+ Qcopy_file = intern_c_string ("copy-file");
+ Qmake_directory_internal = intern_c_string ("make-directory-internal");
+ Qmake_directory = intern_c_string ("make-directory");
+ Qdelete_directory_internal = intern_c_string ("delete-directory-internal");
+ Qdelete_file = intern_c_string ("delete-file");
+ Qrename_file = intern_c_string ("rename-file");
+ Qadd_name_to_file = intern_c_string ("add-name-to-file");
+ Qmake_symbolic_link = intern_c_string ("make-symbolic-link");
+ Qfile_exists_p = intern_c_string ("file-exists-p");
+ Qfile_executable_p = intern_c_string ("file-executable-p");
+ Qfile_readable_p = intern_c_string ("file-readable-p");
+ Qfile_writable_p = intern_c_string ("file-writable-p");
+ Qfile_symlink_p = intern_c_string ("file-symlink-p");
+ Qaccess_file = intern_c_string ("access-file");
+ Qfile_directory_p = intern_c_string ("file-directory-p");
+ Qfile_regular_p = intern_c_string ("file-regular-p");
+ Qfile_accessible_directory_p = intern_c_string ("file-accessible-directory-p");
+ Qfile_modes = intern_c_string ("file-modes");
+ Qset_file_modes = intern_c_string ("set-file-modes");
+ Qset_file_times = intern_c_string ("set-file-times");
+ Qfile_selinux_context = intern_c_string("file-selinux-context");
+ Qset_file_selinux_context = intern_c_string("set-file-selinux-context");
+ Qfile_newer_than_file_p = intern_c_string ("file-newer-than-file-p");
+ Qinsert_file_contents = intern_c_string ("insert-file-contents");
+ Qwrite_region = intern_c_string ("write-region");
+ Qverify_visited_file_modtime = intern_c_string ("verify-visited-file-modtime");
+ Qset_visited_file_modtime = intern_c_string ("set-visited-file-modtime");
+ Qauto_save_coding = intern_c_string ("auto-save-coding");
staticpro (&Qoperations);
staticpro (&Qexpand_file_name);
@@ -5490,7 +5659,7 @@ syms_of_fileio ()
staticpro (&Qcopy_file);
staticpro (&Qmake_directory_internal);
staticpro (&Qmake_directory);
- staticpro (&Qdelete_directory);
+ staticpro (&Qdelete_directory_internal);
staticpro (&Qdelete_file);
staticpro (&Qrename_file);
staticpro (&Qadd_name_to_file);
@@ -5507,6 +5676,8 @@ syms_of_fileio ()
staticpro (&Qfile_modes);
staticpro (&Qset_file_modes);
staticpro (&Qset_file_times);
+ staticpro (&Qfile_selinux_context);
+ staticpro (&Qset_file_selinux_context);
staticpro (&Qfile_newer_than_file_p);
staticpro (&Qinsert_file_contents);
staticpro (&Qwrite_region);
@@ -5514,21 +5685,21 @@ syms_of_fileio ()
staticpro (&Qset_visited_file_modtime);
staticpro (&Qauto_save_coding);
- Qfile_name_history = intern ("file-name-history");
+ Qfile_name_history = intern_c_string ("file-name-history");
Fset (Qfile_name_history, Qnil);
staticpro (&Qfile_name_history);
- Qfile_error = intern ("file-error");
+ Qfile_error = intern_c_string ("file-error");
staticpro (&Qfile_error);
- Qfile_already_exists = intern ("file-already-exists");
+ Qfile_already_exists = intern_c_string ("file-already-exists");
staticpro (&Qfile_already_exists);
- Qfile_date_error = intern ("file-date-error");
+ Qfile_date_error = intern_c_string ("file-date-error");
staticpro (&Qfile_date_error);
- Qexcl = intern ("excl");
+ Qexcl = intern_c_string ("excl");
staticpro (&Qexcl);
#ifdef DOS_NT
- Qfind_buffer_file_type = intern ("find-buffer-file-type");
+ Qfind_buffer_file_type = intern_c_string ("find-buffer-file-type");
staticpro (&Qfind_buffer_file_type);
#endif /* DOS_NT */
@@ -5548,34 +5719,30 @@ instead use `file-name-coding-system' to get a constant encoding
of file names regardless of the current language environment. */);
Vdefault_file_name_coding_system = Qnil;
- Qformat_decode = intern ("format-decode");
+ Qformat_decode = intern_c_string ("format-decode");
staticpro (&Qformat_decode);
- Qformat_annotate_function = intern ("format-annotate-function");
+ Qformat_annotate_function = intern_c_string ("format-annotate-function");
staticpro (&Qformat_annotate_function);
- Qafter_insert_file_set_coding = intern ("after-insert-file-set-coding");
+ Qafter_insert_file_set_coding = intern_c_string ("after-insert-file-set-coding");
staticpro (&Qafter_insert_file_set_coding);
- Qcar_less_than_car = intern ("car-less-than-car");
+ Qcar_less_than_car = intern_c_string ("car-less-than-car");
staticpro (&Qcar_less_than_car);
Fput (Qfile_error, Qerror_conditions,
- list2 (Qfile_error, Qerror));
+ Fpurecopy (list2 (Qfile_error, Qerror)));
Fput (Qfile_error, Qerror_message,
- build_string ("File error"));
+ make_pure_c_string ("File error"));
Fput (Qfile_already_exists, Qerror_conditions,
- list3 (Qfile_already_exists, Qfile_error, Qerror));
+ Fpurecopy (list3 (Qfile_already_exists, Qfile_error, Qerror)));
Fput (Qfile_already_exists, Qerror_message,
- build_string ("File already exists"));
+ make_pure_c_string ("File already exists"));
Fput (Qfile_date_error, Qerror_conditions,
- list3 (Qfile_date_error, Qfile_error, Qerror));
+ Fpurecopy (list3 (Qfile_date_error, Qfile_error, Qerror)));
Fput (Qfile_date_error, Qerror_message,
- build_string ("Cannot set file date"));
-
- DEFVAR_LISP ("directory-sep-char", &Vdirectory_sep_char,
- doc: /* Directory separator character for built-in functions that return file names.
-The value is always ?/. Don't use this variable, just use `/'. */);
+ make_pure_c_string ("Cannot set file date"));
DEFVAR_LISP ("file-name-handler-alist", &Vfile_name_handler_alist,
doc: /* *Alist of elements (REGEXP . HANDLER) for file names handled specially.
@@ -5641,7 +5808,7 @@ buffer current. */);
Vwrite_region_annotate_functions = Qnil;
staticpro (&Qwrite_region_annotate_functions);
Qwrite_region_annotate_functions
- = intern ("write-region-annotate-functions");
+ = intern_c_string ("write-region-annotate-functions");
DEFVAR_LISP ("write-region-post-annotation-function",
&Vwrite_region_post_annotation_function,
@@ -5682,6 +5849,13 @@ a non-nil value. */);
Normally auto-save files are written under other names. */);
Vauto_save_visited_file_name = Qnil;
+ DEFVAR_LISP ("auto-save-include-big-deletions", &Vauto_save_include_big_deletions,
+ doc: /* If non-nil, auto-save even if a large part of the text is deleted.
+If nil, deleting a substantial portion of the text disables auto-save
+in the buffer; this is the default behavior, because the auto-save
+file is usually more useful if it contains the deleted text. */);
+ Vauto_save_include_big_deletions = 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'.
@@ -5692,12 +5866,18 @@ A non-nil value may result in data loss! */);
DEFVAR_BOOL ("delete-by-moving-to-trash", &delete_by_moving_to_trash,
doc: /* Specifies whether to use the system's trash can.
-When non-nil, the function `move-file-to-trash' will be used by
-`delete-file' and `delete-directory'. */);
+When non-nil, certain file deletion commands use the function
+`move-file-to-trash' instead of deleting files outright.
+This includes interactive calls to `delete-file' and
+`delete-directory' and the Dired deletion commands. */);
delete_by_moving_to_trash = 0;
- Qdelete_by_moving_to_trash = intern ("delete-by-moving-to-trash");
- Qmove_file_to_trash = intern ("move-file-to-trash");
+ Qdelete_by_moving_to_trash = intern_c_string ("delete-by-moving-to-trash");
+ Qmove_file_to_trash = intern_c_string ("move-file-to-trash");
staticpro (&Qmove_file_to_trash);
+ Qcopy_directory = intern_c_string ("copy-directory");
+ staticpro (&Qcopy_directory);
+ Qdelete_directory = intern_c_string ("delete-directory");
+ staticpro (&Qdelete_directory);
defsubr (&Sfind_file_name_handler);
defsubr (&Sfile_name_directory);
@@ -5710,7 +5890,7 @@ When non-nil, the function `move-file-to-trash' will be used by
defsubr (&Ssubstitute_in_file_name);
defsubr (&Scopy_file);
defsubr (&Smake_directory_internal);
- defsubr (&Sdelete_directory);
+ defsubr (&Sdelete_directory_internal);
defsubr (&Sdelete_file);
defsubr (&Srename_file);
defsubr (&Sadd_name_to_file);
@@ -5728,6 +5908,8 @@ When non-nil, the function `move-file-to-trash' will be used by
defsubr (&Sfile_modes);
defsubr (&Sset_file_modes);
defsubr (&Sset_file_times);
+ defsubr (&Sfile_selinux_context);
+ defsubr (&Sset_file_selinux_context);
defsubr (&Sset_default_file_modes);
defsubr (&Sdefault_file_modes);
defsubr (&Sfile_newer_than_file_p);