/* File name in which we write a list of all our auto save files. */
Lisp_Object Vauto_save_list_file_name;
+/* Prefix used to construct Vauto_save_list_file_name. */
+Lisp_Object Vauto_save_list_file_prefix;
+
+/* When non-nil, it prevents auto-save list file creation. */
+int inhibit_auto_save_session;
+
int disable_auto_save_when_buffer_shrinks;
Lisp_Object Vdirectory_sep_char;
\f
DEFUN ("file-name-directory", Ffile_name_directory, 1, 1, 0, /*
-Return the directory component in file name NAME.
-Return nil if NAME does not include a directory.
+Return the directory component in file name FILENAME.
+Return nil if FILENAME does not include a directory.
Otherwise return a directory spec.
Given a Unix syntax file name, returns a string ending in slash.
*/
- (file))
+ (filename))
{
/* This function can GC. GC checked 2000-07-28 ben */
Bufbyte *beg;
Bufbyte *p;
Lisp_Object handler;
- CHECK_STRING (file);
+ CHECK_STRING (filename);
/* If the file name has special constructs in it,
call the corresponding file handler. */
- handler = Ffind_file_name_handler (file, Qfile_name_directory);
+ handler = Ffind_file_name_handler (filename, Qfile_name_directory);
if (!NILP (handler))
- return call2_check_string_or_nil (handler, Qfile_name_directory, file);
+ return call2_check_string_or_nil (handler, Qfile_name_directory, filename);
#ifdef FILE_SYSTEM_CASE
- file = FILE_SYSTEM_CASE (file);
+ filename = FILE_SYSTEM_CASE (filename);
#endif
- beg = XSTRING_DATA (file);
- p = beg + XSTRING_LENGTH (file);
+ beg = XSTRING_DATA (filename);
+ p = beg + XSTRING_LENGTH (filename);
while (p != beg && !IS_ANY_SEP (p[-1])
#ifdef WIN32_NATIVE
}
DEFUN ("file-name-nondirectory", Ffile_name_nondirectory, 1, 1, 0, /*
-Return file name NAME sans its directory.
+Return file name FILENAME sans its directory.
For example, in a Unix-syntax file name,
this is everything after the last slash,
or the entire name if it contains no slash.
*/
- (file))
+ (filename))
{
/* This function can GC. GC checked 2000-07-28 ben */
Bufbyte *beg, *p, *end;
Lisp_Object handler;
- CHECK_STRING (file);
+ CHECK_STRING (filename);
/* If the file name has special constructs in it,
call the corresponding file handler. */
- handler = Ffind_file_name_handler (file, Qfile_name_nondirectory);
+ handler = Ffind_file_name_handler (filename, Qfile_name_nondirectory);
if (!NILP (handler))
- return call2_check_string (handler, Qfile_name_nondirectory, file);
+ return call2_check_string (handler, Qfile_name_nondirectory, filename);
- beg = XSTRING_DATA (file);
- end = p = beg + XSTRING_LENGTH (file);
+ beg = XSTRING_DATA (filename);
+ end = p = beg + XSTRING_LENGTH (filename);
while (p != beg && !IS_ANY_SEP (p[-1])
#ifdef WIN32_NATIVE
The `call-process' and `start-process' functions use this function to
get a current directory to run processes in.
*/
- (filename))
+ (filename))
{
/* This function can GC. GC checked 2000-07-28 ben */
Lisp_Object handler;
For a Unix-syntax file name, just appends a slash,
except for (file-name-as-directory \"\") => \"./\".
*/
- (file))
+ (filename))
{
/* This function can GC. GC checked 2000-07-28 ben */
char *buf;
Lisp_Object handler;
- CHECK_STRING (file);
+ CHECK_STRING (filename);
/* If the file name has special constructs in it,
call the corresponding file handler. */
- handler = Ffind_file_name_handler (file, Qfile_name_as_directory);
+ handler = Ffind_file_name_handler (filename, Qfile_name_as_directory);
if (!NILP (handler))
- return call2_check_string (handler, Qfile_name_as_directory, file);
+ return call2_check_string (handler, Qfile_name_as_directory, filename);
- buf = (char *) alloca (XSTRING_LENGTH (file) + 10);
+ buf = (char *) alloca (XSTRING_LENGTH (filename) + 10);
return build_string (file_name_as_directory
- (buf, (char *) XSTRING_DATA (file)));
+ (buf, (char *) XSTRING_DATA (filename)));
}
\f
/*
}
DEFUN ("directory-file-name", Fdirectory_file_name, 1, 1, 0, /*
-Return the file name of the directory named DIR.
-This is the name of the file that holds the data for the directory DIR.
+Return the file name of the directory named DIRECTORY.
+This is the name of the file that holds the data for the directory.
This operation exists because a directory is also a file, but its name as
a directory is different from its name as a file.
In Unix-syntax, this function just removes the final slash.
Convert filename NAME to absolute, and canonicalize it.
Second arg DEFAULT-DIRECTORY is directory to start with if NAME is relative
(does not start with slash); if DEFAULT-DIRECTORY is nil or missing,
-the current buffer's value of default-directory is used.
+the current buffer's value of `default-directory' is used.
File name components that are `.' are removed, and
so are file name components followed by `..', along with the `..' itself;
note that these simplifications are done without checking the resulting
}
DEFUN ("file-truename", Ffile_truename, 1, 2, 0, /*
-Return the canonical name of the given FILE.
-Second arg DEFAULT is directory to start with if FILE is relative
+Return the canonical name of FILENAME.
+Second arg DEFAULT is directory to start with if FILENAME is relative
(does not start with slash); if DEFAULT is nil or missing,
- the current buffer's value of default-directory is used.
+ the current buffer's value of `default-directory' is used.
No component of the resulting pathname will be a symbolic link, as
in the realpath() function.
*/
Substitute environment variables referred to in FILENAME.
`$FOO' where FOO is an environment variable name means to substitute
the value of that variable. The variable name should be terminated
-with a character not a letter, digit or underscore; otherwise, enclose
+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.
-
*/
- (string))
+ (filename))
{
/* This function can GC. GC checked 2000-07-28 ben. */
Bufbyte *nm;
Bufbyte *xnm;
Lisp_Object handler;
- CHECK_STRING (string);
+ CHECK_STRING (filename);
/* If the file name has special constructs in it,
call the corresponding file handler. */
- handler = Ffind_file_name_handler (string, Qsubstitute_in_file_name);
+ handler = Ffind_file_name_handler (filename, Qsubstitute_in_file_name);
if (!NILP (handler))
return call2_check_string_or_nil (handler, Qsubstitute_in_file_name,
- string);
+ filename);
- nm = XSTRING_DATA (string);
- endp = nm + XSTRING_LENGTH (string);
+ nm = XSTRING_DATA (filename);
+ endp = nm + XSTRING_LENGTH (filename);
/* If /~ or // appears, discard everything through first slash. */
}
if (!substituted)
- return string;
+ return filename;
- /* If substitution required, recopy the string and do it */
+ /* If substitution required, recopy the filename and do it */
/* Make space in stack frame for the new copy */
- xnm = (Bufbyte *) alloca (XSTRING_LENGTH (string) + total + 1);
+ xnm = (Bufbyte *) alloca (XSTRING_LENGTH (filename) + total + 1);
x = xnm;
/* Copy the rest of the name through, replacing $ constructs with values */
return make_string (xnm, x - xnm);
badsubst:
- syntax_error ("Bad format environment-variable substitution", string);
+ syntax_error ("Bad format environment-variable substitution", filename);
missingclose:
syntax_error ("Missing \"}\" in environment-variable substitution",
- string);
+ filename);
badvar:
syntax_error_2 ("Substituting nonexistent environment variable",
- string, build_string (target));
+ filename, build_string ((char *) target));
/* NOTREACHED */
return Qnil; /* suppress compiler warning */
DEFUN ("copy-file", Fcopy_file, 2, 4,
"fCopy file: \nFCopy %s to file: \np\nP", /*
-Copy FILE to NEWNAME. Both args must be strings.
+Copy FILENAME to NEWNAME. Both args must be strings.
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.
\f
DEFUN ("rename-file", Frename_file, 2, 3,
"fRename file: \nFRename %s to file: \np", /*
-Rename FILE as NEWNAME. Both args strings.
-If file has names other than FILE, it continues to have those names.
+Rename FILENAME as NEWNAME. Both args must be strings.
+If file has names other than FILENAME, it continues to have those names.
Signals a `file-already-exists' error if a file NEWNAME already exists
unless optional third argument OK-IF-ALREADY-EXISTS is non-nil.
A number as third arg means request confirmation if NEWNAME already exists.
DEFUN ("add-name-to-file", Fadd_name_to_file, 2, 3,
"fAdd name to file: \nFName to add to %s: \np", /*
-Give FILE additional name NEWNAME. Both args strings.
+Give FILENAME additional name NEWNAME. Both args must be strings.
Signals a `file-already-exists' error if a file NEWNAME already exists
unless optional third argument OK-IF-ALREADY-EXISTS is non-nil.
A number as third arg means request confirmation if NEWNAME already exists.
}
\f
DEFUN ("file-modes", Ffile_modes, 1, 1, 0, /*
-Return mode bits of FILE, as an integer.
+Return mode bits of file named FILENAME, as an integer.
*/
(filename))
{
}
DEFUN ("set-file-modes", Fset_file_modes, 2, 2, 0, /*
-Set mode bits of FILE to MODE (an integer).
+Set mode bits of file named FILENAME to MODE (an integer).
Only the 12 low bits of MODE are used.
*/
(filename, mode))
DEFUN ("set-default-file-modes", Fset_default_file_modes, 1, 1, 0, /*
Set the file permission bits for newly created files.
-MASK should be an integer; if a permission's bit in MASK is 1,
-subsequently created files will not have that permission enabled.
-Only the low 9 bits are used.
+The argument MODE should be an integer; if a bit in MODE is 1,
+subsequently created files will not have the permission corresponding
+to that bit enabled. Only the low 9 bits are used.
This setting is inherited by subprocesses.
*/
(mode))
decoding is stored into it. It will in general be different from CODESYS
if CODESYS specifies automatic encoding detection or end-of-line detection.
-Currently BEG and END refer to byte positions (as opposed to character
+Currently START and END refer to byte positions (as opposed to character
positions), even in Mule. (Fixing this is very difficult.)
*/
- (filename, visit, beg, end, replace, codesys, used_codesys))
+ (filename, visit, start, end, replace, codesys, used_codesys))
{
/* This function can call lisp */
- /* #### dmoore - this function hasn't been checked for gc recently */
struct stat st;
int fd;
int saverrno = 0;
if (!NILP (handler))
{
val = call6 (handler, Qinsert_file_contents, filename,
- visit, beg, end, replace);
+ visit, start, end, replace);
goto handled;
}
CHECK_SYMBOL (used_codesys);
#endif
- if ( (!NILP (beg) || !NILP (end)) && !NILP (visit) )
+ if ( (!NILP (start) || !NILP (end)) && !NILP (visit) )
error ("Attempt to visit less than an entire file");
fd = -1;
#ifdef S_IFREG
/* Signal an error if we are accessing a non-regular file, with
- REPLACE, BEG or END being non-nil. */
+ REPLACE, START or END being non-nil. */
if (!S_ISREG (st.st_mode))
{
not_regular = 1;
if (!NILP (visit))
goto notfound;
- if (!NILP (replace) || !NILP (beg) || !NILP (end))
+ if (!NILP (replace) || !NILP (start) || !NILP (end))
{
end_multiple_change (buf, mc_count);
- return Fsignal (Qfile_error,
- list2 (build_translated_string("not a regular file"),
- filename));
+ RETURN_UNGCPRO
+ (Fsignal (Qfile_error,
+ list2 (build_translated_string("not a regular file"),
+ filename)));
}
}
#endif /* S_IFREG */
- if (!NILP (beg))
- CHECK_INT (beg);
+ if (!NILP (start))
+ CHECK_INT (start);
else
- beg = Qzero;
+ start = Qzero;
if (!NILP (end))
CHECK_INT (end);
same_at_end += overlap;
/* Arrange to read only the nonmatching middle part of the file. */
- beg = make_int (same_at_start - BUF_BEGV (buf));
+ start = make_int (same_at_start - BUF_BEGV (buf));
end = make_int (st.st_size - (BUF_ZV (buf) - same_at_end));
buffer_delete_range (buf, same_at_start, same_at_end,
if (!not_regular)
{
- total = XINT (end) - XINT (beg);
+ total = XINT (end) - XINT (start);
/* Make sure point-max won't overflow after this insertion. */
if (total != XINT (make_int (total)))
will make the stream functions read as much as possible. */
total = -1;
- if (XINT (beg) != 0
+ if (XINT (start) != 0
#ifdef FSFMACS_SPEEDY_INSERT
/* why was this here? asked jwz. The reason is that the replace-mode
connivings above will normally put the file pointer other than
#endif /* !FSFMACS_SPEEDY_INSERT */
)
{
- if (lseek (fd, XINT (beg), 0) < 0)
+ if (lseek (fd, XINT (start), 0) < 0)
report_file_error ("Setting file position", list1 (filename));
}
it could be called here. But that's just silly.
There's no reason C code can't call out to Lisp
code, and it's a lot cleaner this way. */
+ /* Note: compute-buffer-file-truename is called for
+ side-effect! Its return value is intentionally
+ ignored. */
if (!NILP (Ffboundp (Qcompute_buffer_file_truename)))
call1 (Qcompute_buffer_file_truename, make_buffer (buf));
}
\f
DEFUN ("verify-visited-file-modtime", Fverify_visited_file_modtime, 1, 1, 0, /*
-Return t if last mod time of BUF's visited file matches what BUF records.
+Return t if last mod time of BUFFER's visited file matches what BUFFER records.
This means that the file has not been changed since it was visited or saved.
*/
- (buf))
+ (buffer))
{
/* This function can call lisp; GC checked 2000-07-11 ben */
struct buffer *b;
struct stat st;
Lisp_Object handler;
- CHECK_BUFFER (buf);
- b = XBUFFER (buf);
+ CHECK_BUFFER (buffer);
+ b = XBUFFER (buffer);
if (!STRINGP (b->filename)) return Qt;
if (b->modtime == 0) return Qt;
handler = Ffind_file_name_handler (b->filename,
Qverify_visited_file_modtime);
if (!NILP (handler))
- return call2 (handler, Qverify_visited_file_modtime, buf);
+ return call2 (handler, Qverify_visited_file_modtime, buffer);
if (xemacs_stat ((char *) XSTRING_DATA (b->filename), &st) < 0)
{
/* Open the auto-save list file, if necessary.
We only do this now so that the file only exists
if we actually auto-saved any files. */
- if (!auto_saved && STRINGP (listfile) && listdesc < 0)
+ if (!auto_saved && !inhibit_auto_save_session
+ && !NILP (Vauto_save_list_file_prefix)
+ && STRINGP (listfile) && listdesc < 0)
{
listdesc = open ((char *) XSTRING_DATA (listfile),
O_WRONLY | O_TRUNC | O_CREAT | OPEN_BINARY,
*/ );
Vauto_save_list_file_name = Qnil;
+ DEFVAR_LISP ("auto-save-list-file-prefix", &Vauto_save_list_file_prefix /*
+Prefix for generating auto-save-list-file-name.
+Emacs's pid and the system name will be appended to
+this prefix to create a unique file name.
+*/ );
+ Vauto_save_list_file_prefix = build_string ("~/.saves-");
+
+ DEFVAR_BOOL ("inhibit-auto-save-session", &inhibit_auto_save_session /*
+When non-nil, inhibit auto save list file creation.
+*/ );
+ inhibit_auto_save_session = 0;
+
DEFVAR_BOOL ("disable-auto-save-when-buffer-shrinks",
&disable_auto_save_when_buffer_shrinks /*
If non-nil, auto-saving is disabled when a buffer shrinks too much.
projects / chise / xemacs-chise.git.1 / blobdiff