#ifdef WINDOWSNT
#define NOMINMAX 1
-#include <windows.h>
#include <direct.h>
#include <fcntl.h>
#include <stdlib.h>
/* Need to lower-case the drive letter, or else expanded
filenames will sometimes compare inequal, because
`expand-file-name' doesn't always down-case the drive letter. */
-#define DRIVE_LETTER(x) (tolower (x))
+#define DRIVE_LETTER(x) tolower (x)
#endif /* WINDOWSNT */
int lisp_to_time (Lisp_Object, time_t *);
int disable_auto_save_when_buffer_shrinks;
-Lisp_Object Qfile_name_handler_alist;
-
Lisp_Object Vdirectory_sep_char;
/* These variables describe handlers that have "already" had a chance
/* signal a file error when errno contains a meaningful value. */
DOESNT_RETURN
-report_file_error (CONST char *string, Lisp_Object data)
+report_file_error (const char *string, Lisp_Object data)
{
/* #### dmoore - This uses current_buffer, better make sure no one
has GC'd the current buffer. File handlers are giving me a headache
}
void
-maybe_report_file_error (CONST char *string, Lisp_Object data,
+maybe_report_file_error (const char *string, Lisp_Object data,
Lisp_Object class, Error_behavior errb)
{
/* Optimization: */
/* signal a file error when errno does not contain a meaningful value. */
DOESNT_RETURN
-signal_file_error (CONST char *string, Lisp_Object data)
+signal_file_error (const char *string, Lisp_Object data)
{
signal_error (Qfile_error,
list2 (build_translated_string (string), data));
}
void
-maybe_signal_file_error (CONST char *string, Lisp_Object data,
+maybe_signal_file_error (const char *string, Lisp_Object data,
Lisp_Object class, Error_behavior errb)
{
/* Optimization: */
}
DOESNT_RETURN
-signal_double_file_error (CONST char *string1, CONST char *string2,
+signal_double_file_error (const char *string1, const char *string2,
Lisp_Object data)
{
signal_error (Qfile_error,
}
void
-maybe_signal_double_file_error (CONST char *string1, CONST char *string2,
+maybe_signal_double_file_error (const char *string1, const char *string2,
Lisp_Object data, Lisp_Object class,
Error_behavior errb)
{
}
DOESNT_RETURN
-signal_double_file_error_2 (CONST char *string1, CONST char *string2,
+signal_double_file_error_2 (const char *string1, const char *string2,
Lisp_Object data1, Lisp_Object data2)
{
signal_error (Qfile_error,
}
void
-maybe_signal_double_file_error_2 (CONST char *string1, CONST char *string2,
+maybe_signal_double_file_error_2 (const char *string1, const char *string2,
Lisp_Object data1, Lisp_Object data2,
Lisp_Object class, Error_behavior errb)
{
Lisp_Object
lisp_strerror (int errnum)
{
- return build_ext_string (strerror (errnum), FORMAT_NATIVE);
+ return build_ext_string (strerror (errnum), Qnative);
}
static Lisp_Object
signal handler) because that's way too losing.
(#### Actually, longjmp()ing out of the signal handler may not be
- as losing as I thought. See sys_do_signal() in sysdep.c.)
+ as losing as I thought. See sys_do_signal() in sysdep.c.) */
- Solaris include files declare the return value as ssize_t.
- Is that standard? */
-int
+ssize_t
read_allowing_quit (int fildes, void *buf, size_t size)
{
QUIT;
return sys_read_1 (fildes, buf, size, 1);
}
-int
-write_allowing_quit (int fildes, CONST void *buf, size_t size)
+ssize_t
+write_allowing_quit (int fildes, const void *buf, size_t size)
{
QUIT;
return sys_write_1 (fildes, buf, size, 1);
if (p == beg + 2 && beg[1] == ':')
{
/* MAXPATHLEN+1 is guaranteed to be enough space for getdefdir. */
- Bufbyte *res = alloca (MAXPATHLEN + 1);
- if (getdefdir (toupper (*beg) - 'A' + 1, res))
+ Bufbyte *res = (Bufbyte*) alloca (MAXPATHLEN + 1);
+ if (getdefdir (toupper (*beg) - 'A' + 1, (char *)res))
{
char *c=((char *) res) + strlen ((char *) res);
if (!IS_DIRECTORY_SEP (*c))
*/
static int
-directory_file_name (CONST char *src, char *dst)
+directory_file_name (const char *src, char *dst)
{
- long slen;
-
- slen = strlen (src);
+ long slen = strlen (src);
/* Process as Unix format: just remove any final slash.
But leave "/" unchanged; do not change it to "". */
strcpy (dst, src);
-#ifdef APOLLO
- /* Handle // as root for apollo's. */
- if ((slen > 2 && dst[slen - 1] == '/')
- || (slen > 1 && dst[0] != '/' && dst[slen - 1] == '/'))
- dst[slen - 1] = 0;
-#else
if (slen > 1
&& IS_DIRECTORY_SEP (dst[slen - 1])
#ifdef WINDOWSNT
#endif /* WINDOWSNT */
)
dst[slen - 1] = 0;
-#endif /* APOLLO */
return 1;
}
QUIT;
- if (stat ((CONST char *) data, &ignored) < 0)
+ if (stat ((const char *) data, &ignored) < 0)
{
/* We want to return only if errno is ENOENT. */
if (errno == ENOENT)
#ifdef WINDOWSNT
/* We will force directory separators to be either all \ or /, so make
a local copy to modify, even if there ends up being no change. */
- nm = strcpy (alloca (strlen (nm) + 1), nm);
+ nm = strcpy ((char *)alloca (strlen ((char *)nm) + 1), (char *)nm);
/* Find and remove drive specifier if present; this makes nm absolute
even if the rest of the name appears to be relative. */
{
- Bufbyte *colon = strrchr (nm, ':');
+ Bufbyte *colon = (Bufbyte *) strrchr ((char *)nm, ':');
if (colon)
/* Only recognize colon as part of drive specifier if there is a
if (IS_DIRECTORY_SEP (nm[1])
|| nm[1] == 0) /* ~ by itself */
{
- if (!(newdir = (Bufbyte *) get_home_directory()))
+ Extbyte *newdir_external = get_home_directory ();
+
+ if (newdir_external == NULL)
newdir = (Bufbyte *) "";
+ else
+ TO_INTERNAL_FORMAT (C_STRING, newdir_external,
+ C_STRING_ALLOCA, (* ((char **) &newdir)),
+ Qfile_name);
+
nm++;
#ifdef WINDOWSNT
collapse_newdir = 0;
if ((user = user_login_name (NULL)) != NULL)
{
/* Does the user login name match the ~name? */
- if (strcmp(user,((char *) o + 1)) == 0)
+ if (strcmp (user, (char *) o + 1) == 0)
{
- newdir = (Bufbyte *) get_home_directory();
+ newdir = (Bufbyte *) get_home_directory();
nm = p;
}
}
}
else
{
- if (!(IS_DIRECTORY_SEP (target[0]) && IS_DIRECTORY_SEP (target[1])))
- abort ();
+ assert (IS_DIRECTORY_SEP (target[0]) && IS_DIRECTORY_SEP (target[1]));
}
CORRECT_DIR_SEPS (target);
#endif /* WINDOWSNT */
return make_string (target, o - target);
}
-#if 0 /* FSFmacs */
-/* another older version of expand-file-name; */
-#endif
-
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
*/
(filename, default_))
{
- /* This function can GC. GC checked 1997.04.06. */
+ /* This function can GC. */
Lisp_Object expanded_name;
- Lisp_Object handler;
struct gcpro gcpro1;
CHECK_STRING (filename);
expanded_name = Fexpand_file_name (filename, default_);
+ GCPRO1 (expanded_name);
+
if (!STRINGP (expanded_name))
return Qnil;
- GCPRO1 (expanded_name);
- handler = Ffind_file_name_handler (expanded_name, Qfile_truename);
- UNGCPRO;
+ {
+ Lisp_Object handler =
+ Ffind_file_name_handler (expanded_name, Qfile_truename);
- if (!NILP (handler))
- return call2_check_string (handler, Qfile_truename, expanded_name);
+ if (!NILP (handler))
+ RETURN_UNGCPRO
+ (call2_check_string (handler, Qfile_truename, expanded_name));
+ }
{
char resolved_path[MAXPATHLEN];
- char path[MAXPATHLEN];
- char *p = path;
- int elen = XSTRING_LENGTH (expanded_name);
-
- if (elen >= countof (path))
+ Extbyte *path;
+ Extbyte *p;
+ Extcount elen;
+
+ TO_EXTERNAL_FORMAT (LISP_STRING, expanded_name,
+ ALLOCA, (path, elen),
+ Qfile_name);
+ p = path;
+ if (elen > MAXPATHLEN)
goto toolong;
- memcpy (path, XSTRING_DATA (expanded_name), elen + 1);
- /* memset (resolved_path, 0, sizeof (resolved_path)); */
-
/* Try doing it all at once. */
- /* !!#### Does realpath() Mule-encapsulate? */
- if (!xrealpath (path, resolved_path))
+ /* !! Does realpath() Mule-encapsulate?
+ Answer: Nope! So we do it above */
+ if (!xrealpath ((char *) path, resolved_path))
{
/* Didn't resolve it -- have to do it one component at a time. */
/* "realpath" is a typically useless, stupid un*x piece of crap.
It claims to return a useful value in the "error" case, but since
there is no indication provided of how far along the pathname
the function went before erring, there is no way to use the
- partial result returned. What a piece of junk. */
+ partial result returned. What a piece of junk.
+
+ The above comment refers to historical versions of
+ realpath(). The Unix98 specs state:
+
+ "On successful completion, realpath() returns a
+ pointer to the resolved name. Otherwise, realpath()
+ returns a null pointer and sets errno to indicate the
+ error, and the contents of the buffer pointed to by
+ resolved_name are undefined."
+
+ Since we depend on undocumented semantics of various system realpath()s,
+ we just use our own version in realpath.c. */
for (;;)
{
- p = (char *) memchr (p + 1, '/', elen - (p + 1 - path));
+ p = (Extbyte *) memchr (p + 1, '/', elen - (p + 1 - path));
if (p)
*p = 0;
- /* memset (resolved_path, 0, sizeof (resolved_path)); */
- if (xrealpath (path, resolved_path))
+ if (xrealpath ((char *) path, resolved_path))
{
if (p)
*p = '/';
/* "On failure, it returns NULL, sets errno to indicate
the error, and places in resolved_path the absolute pathname
of the path component which could not be resolved." */
- if (p)
+
+ if (p)
{
int plen = elen - (p - path);
}
{
+ Lisp_Object resolved_name;
int rlen = strlen (resolved_path);
if (elen > 0 && XSTRING_BYTE (expanded_name, elen - 1) == '/'
&& !(rlen > 0 && resolved_path[rlen - 1] == '/'))
{
if (rlen + 1 > countof (resolved_path))
goto toolong;
- resolved_path[rlen] = '/';
- resolved_path[rlen + 1] = 0;
- rlen = rlen + 1;
+ resolved_path[rlen++] = '/';
+ resolved_path[rlen] = '\0';
}
- return make_ext_string ((Bufbyte *) resolved_path, rlen, FORMAT_BINARY);
+ TO_INTERNAL_FORMAT (DATA, (resolved_path, rlen),
+ LISP_STRING, resolved_name,
+ Qfile_name);
+ RETURN_UNGCPRO (resolved_name);
}
toolong:
lose:
report_file_error ("Finding truename", list1 (expanded_name));
}
- return Qnil; /* suppress compiler warning */
+ RETURN_UNGCPRO (Qnil);
}
\f
for (p = nm; p != endp; p++)
{
if ((p[0] == '~'
-#if defined (APOLLO) || defined (WINDOWSNT) || defined (__CYGWIN32__)
- /* // at start of file name is meaningful in Apollo and
- WindowsNT systems */
+#if defined (WINDOWSNT) || defined (__CYGWIN32__)
+ /* // at start of file name is meaningful in WindowsNT systems */
|| (IS_DIRECTORY_SEP (p[0]) && p - 1 != nm)
-#else /* not (APOLLO || WINDOWSNT || __CYGWIN32__) */
+#else /* not (WINDOWSNT || __CYGWIN32__) */
|| IS_DIRECTORY_SEP (p[0])
-#endif /* not (APOLLO || WINDOWSNT || __CYGWIN32__) */
+#endif /* not (WINDOWSNT || __CYGWIN32__) */
)
&& p != nm
&& (IS_DIRECTORY_SEP (p[-1])))
for (p = xnm; p != x; p++)
if ((p[0] == '~'
-#if defined (APOLLO) || defined (WINDOWSNT)
+#if defined (WINDOWSNT)
|| (IS_DIRECTORY_SEP (p[0]) && p - 1 != xnm)
-#else /* not (APOLLO || WINDOWSNT) */
+#else /* not WINDOWSNT */
|| IS_DIRECTORY_SEP (p[0])
-#endif /* APOLLO || WINDOWSNT */
+#endif /* not WINDOWSNT */
)
/* don't do p[-1] if that would go off the beginning --jwz */
&& p != nm && p > xnm && IS_DIRECTORY_SEP (p[-1]))
If the file does not exist, STATPTR->st_mode is set to 0. */
static void
-barf_or_query_if_file_exists (Lisp_Object absname, CONST char *querystring,
+barf_or_query_if_file_exists (Lisp_Object absname, const char *querystring,
int interactive, struct stat *statptr)
{
/* This function can GC. GC checked 1997.04.06. */
struct gcpro gcpro1;
prompt = emacs_doprnt_string_c
- ((CONST Bufbyte *) GETTEXT ("File %s already exists; %s anyway? "),
+ ((const Bufbyte *) GETTEXT ("File %s already exists; %s anyway? "),
Qnil, -1, XSTRING_DATA (absname),
GETTEXT (querystring));
|| INTP (ok_if_already_exists))
barf_or_query_if_file_exists (newname, "copy to it",
INTP (ok_if_already_exists), &out_st);
- else if (stat ((CONST char *) XSTRING_DATA (newname), &out_st) < 0)
+ else if (stat ((const char *) XSTRING_DATA (newname), &out_st) < 0)
out_st.st_mode = 0;
ifd = interruptible_open ((char *) XSTRING_DATA (filename), O_RDONLY | OPEN_BINARY, 0);
mtime))
report_file_error ("I/O error", list1 (newname));
}
- chmod ((CONST char *) XSTRING_DATA (newname),
+ chmod ((const char *) XSTRING_DATA (newname),
st.st_mode & 07777);
}
}
DEFUN ("delete-file", Fdelete_file, 1, 1, "fDelete file: ", /*
-Delete specified file. One argument, a file name string.
-If file has multiple names, it continues to exist with the other names.
+Delete the file named FILENAME (a string).
+If FILENAME has multiple names, it continues to exist with the other names.
*/
(filename))
{
Fcopy_file (filename, 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),
+ (NILP (ok_if_already_exists) ? Qnil : Qt),
Qt);
Fdelete_file (filename);
}
(path, login))
{
int netresult;
+ const char *path_ext;
+ const char *login_ext;
CHECK_STRING (path);
CHECK_STRING (login);
/* netunam, being a strange-o system call only used once, is not
encapsulated. */
- {
- char *path_ext;
- char *login_ext;
- GET_C_STRING_FILENAME_DATA_ALLOCA (path, path_ext);
- GET_C_STRING_EXT_DATA_ALLOCA (login, FORMAT_OS, login_ext);
+ TO_EXTERNAL_FORMAT (LISP_STRING, path, C_STRING_ALLOCA, path_ext, Qfile_name);
+ TO_EXTERNAL_FORMAT (LISP_STRING, login, C_STRING_ALLOCA, login_ext, Qnative);
- netresult = netunam (path_ext, login_ext);
- }
+ netresult = netunam (path_ext, login_ext);
- if (netresult == -1)
- return Qnil;
- else
- return Qt;
+ return netresult == -1 ? Qnil : Qt;
}
#endif /* HPUX_NET */
\f
/* Return nonzero if file FILENAME exists and can be written. */
static int
-check_writable (CONST char *filename)
+check_writable (const char *filename)
{
#ifdef HAVE_EACCESS
return (eaccess (filename, 2) >= 0);
fd = -1;
- if (
-#ifndef APOLLO
- (stat ((char *) XSTRING_DATA (filename), &st) < 0)
-#else /* APOLLO */
- /* Don't even bother with interruptible_open. APOLLO sucks. */
- ((fd = open ((char *) XSTRING_DATA (filename), O_RDONLY | OPEN_BINARY, 0)) < 0
- || fstat (fd, &st) < 0)
-#endif /* APOLLO */
- )
+ if (stat ((char *) XSTRING_DATA (filename), &st) < 0)
{
if (fd >= 0) close (fd);
badopen:
occurs inside of the filedesc stream. */
while (1)
{
- Bytecount this_len;
+ ssize_t this_len;
Charcount cc_inserted;
QUIT;
{
if (!EQ (buf->undo_list, Qt))
buf->undo_list = Qnil;
-#ifdef APOLLO
- stat ((char *) XSTRING_DATA (filename), &st);
-#endif
if (NILP (handler))
{
buf->modtime = st.st_mtime;
if (desc < 0)
{
desc = open ((char *) XSTRING_DATA (fn),
- (O_WRONLY | O_TRUNC | O_CREAT | OPEN_BINARY),
- ((auto_saving) ? auto_save_mode_bits : CREAT_MODE));
+ O_WRONLY | O_TRUNC | O_CREAT | OPEN_BINARY,
+ auto_saving ? auto_save_mode_bits : CREAT_MODE);
}
if (desc < 0)
}
#endif /* HAVE_FSYNC */
- /* Spurious "file has changed on disk" warnings have been
- observed on Suns as well.
- It seems that `close' can change the modtime, under nfs.
-
- (This has supposedly been fixed in Sunos 4,
- but who knows about all the other machines with NFS?) */
- /* On VMS and APOLLO, must do the stat after the close
- since closing changes the modtime. */
- /* As it does on Windows too - kkm */
- /* The spurious warnings appear on Linux too. Rather than handling
- this on a per-system basis, unconditionally do the stat after the close - cgw */
-
-#if 0 /* !defined (WINDOWSNT) */ /* !defined (VMS) && !defined (APOLLO) */
- fstat (desc, &st);
-#endif
+ /* Spurious "file has changed on disk" warnings used to be seen on
+ systems where close() can change the modtime. This is known to
+ happen on various NFS file systems, on Windows, and on Linux.
+ Rather than handling this on a per-system basis, we
+ unconditionally do the stat() after the close(). */
/* NFS can report a write failure now. */
if (close (desc) < 0)
unbind_to (speccount, Qnil);
}
- /* # if defined (WINDOWSNT) */ /* defined (VMS) || defined (APOLLO) */
stat ((char *) XSTRING_DATA (fn), &st);
- /* #endif */
#ifdef CLASH_DETECTION
if (!auto_saving)
run_hook (Qauto_save_hook);
- if (GC_STRINGP (Vauto_save_list_file_name))
+ if (STRINGP (Vauto_save_list_file_name))
listfile = condition_case_1 (Qt,
auto_save_expand_name,
Vauto_save_list_file_name,
for (do_handled_files = 0; do_handled_files < 2; do_handled_files++)
{
for (tail = Vbuffer_alist;
- GC_CONSP (tail);
+ CONSP (tail);
tail = XCDR (tail))
{
buf = XCDR (XCAR (tail));
b = XBUFFER (buf);
- if (!GC_NILP (current_only)
+ if (!NILP (current_only)
&& b != current_buffer)
continue;
/* Check for auto save enabled
and file changed since last auto save
and file changed since last real save. */
- if (GC_STRINGP (b->auto_save_file_name)
+ if (STRINGP (b->auto_save_file_name)
&& BUF_SAVE_MODIFF (b) < BUF_MODIFF (b)
&& b->auto_save_modified < BUF_MODIFF (b)
/* -1 means we've turned off autosaving for a while--see below. */
continue;
}
set_buffer_internal (b);
- if (!auto_saved && GC_NILP (no_message))
+ if (!auto_saved && NILP (no_message))
{
- static CONST unsigned char *msg
- = (CONST unsigned char *) "Auto-saving...";
+ static const unsigned char *msg
+ = (const unsigned char *) "Auto-saving...";
echo_area_message (selected_frame (), msg, Qnil,
- 0, strlen ((CONST char *) msg),
+ 0, strlen ((const char *) msg),
Qauto_saving);
}
/* 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 && GC_STRINGP (listfile) && listdesc < 0)
+ if (!auto_saved && STRINGP (listfile) && listdesc < 0)
{
listdesc = open ((char *) XSTRING_DATA (listfile),
O_WRONLY | O_TRUNC | O_CREAT | OPEN_BINARY,
auto save name. */
if (listdesc >= 0)
{
- CONST Extbyte *auto_save_file_name_ext;
+ const Extbyte *auto_save_file_name_ext;
Extcount auto_save_file_name_ext_len;
- GET_STRING_FILENAME_DATA_ALLOCA
- (b->auto_save_file_name,
- auto_save_file_name_ext,
- auto_save_file_name_ext_len);
+ TO_EXTERNAL_FORMAT (LISP_STRING, b->auto_save_file_name,
+ ALLOCA, (auto_save_file_name_ext,
+ auto_save_file_name_ext_len),
+ Qfile_name);
if (!NILP (b->filename))
{
- CONST Extbyte *filename_ext;
+ const Extbyte *filename_ext;
Extcount filename_ext_len;
- GET_STRING_FILENAME_DATA_ALLOCA (b->filename,
- filename_ext,
- filename_ext_len);
+ TO_EXTERNAL_FORMAT (LISP_STRING, b->filename,
+ ALLOCA, (filename_ext,
+ filename_ext_len),
+ Qfile_name);
write (listdesc, filename_ext, filename_ext_len);
}
write (listdesc, "\n", 1);
one because nothing needed to be auto-saved. Do this afterwards
rather than before in case we get a crash attempting to autosave
(in that case we'd still want the old one around). */
- if (listdesc < 0 && !auto_saved && GC_STRINGP (listfile))
+ if (listdesc < 0 && !auto_saved && STRINGP (listfile))
unlink ((char *) XSTRING_DATA (listfile));
/* Show "...done" only if the echo area would otherwise be empty. */
if (auto_saved && NILP (no_message)
&& NILP (clear_echo_area (selected_frame (), Qauto_saving, 0)))
{
- static CONST unsigned char *msg
- = (CONST unsigned char *)"Auto-saving...done";
+ static const unsigned char *msg
+ = (const unsigned char *)"Auto-saving...done";
echo_area_message (selected_frame (), msg, Qnil, 0,
- strlen ((CONST char *) msg), Qauto_saving);
+ strlen ((const char *) msg), Qauto_saving);
}
Vquit_flag = oquit;
defsymbol (&Qset_visited_file_modtime, "set-visited-file-modtime");
defsymbol (&Qcar_less_than_car, "car-less-than-car"); /* Vomitous! */
- defsymbol (&Qfile_name_handler_alist, "file-name-handler-alist");
defsymbol (&Qauto_save_hook, "auto-save-hook");
defsymbol (&Qauto_save_error, "auto-save-error");
defsymbol (&Qauto_saving, "auto-saving");
on other platforms, it is initialized so that Lisp code can find out
what the normal separator is.
*/ );
- Vdirectory_sep_char = make_char ('/');
+#ifdef WINDOWSNT
+ Vdirectory_sep_char = make_char ('\\');
+#else
+ Vdirectory_sep_char = make_char ('/');
+#endif
}