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* Check for null bytes in filenames in 'expand-file-name' (bug#49723)Federico Tedin2021-09-181-1/+5
| | | | | | | | | | | | * src/fileio.c (expand-file-name): Check for null bytes for both NAME and DEFAULT-DIRECTORY arguments. Also check for null bytes in buffer-local default-directory, assuming it is used. * src/coding.c (encode_file_name): Use CHECK_STRING_NULL_BYTES. * src/lisp.h (CHECK_STRING_NULL_BYTES): Add function for checking for null bytes in Lisp strings. * test/src/fileio-tests.el (fileio-test--expand-file-name-null-bytes): Add test for new changes to expand-file-name. * etc/NEWS: Announce changes.
* Fix expansion of non-ASCII $HOMEEli Zaretskii2021-09-021-0/+2
| | | | | * src/fileio.c (Fexpand_file_name): Make the file name multibyte if the value of $HOME is multibyte. (Bug#50266)
* Rename directory-append to file-name-concatLars Ingebrigtsen2021-07-251-2/+2
| | | | | | | | * src/fileio.c (Ffile_name_concat): * lisp/files.el (move-file-to-trash): * lisp/emacs-lisp/shortdoc.el (file-name): * doc/lispref/files.texi (Directory Names): Rename `directory-append' to `file-name-concat'.
* Allow empty elements in directory-appendLars Ingebrigtsen2021-07-251-13/+33
| | | | | * doc/lispref/files.texi (Directory Names): Document it. * src/fileio.c (Fdirectory_append): Allow empty elements.
* ; * src/fileio.c (Fdirectory_append): Doc fix.Eli Zaretskii2021-07-241-3/+4
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* Really convert to multibyte in Fdirectory_appendLars Ingebrigtsen2021-07-241-2/+1
| | | | | | * src/fileio.c (Fdirectory_append): Fix check for whether we need to convert to multibyte. (Fdirectory_append):
* Fix Fdirectory_append check for whether strings have to be convertedLars Ingebrigtsen2021-07-241-1/+1
| | | | | | | | | | | * src/coding.c (string_ascii_p): Make it non-static. * src/fileio.c (Fdirectory_append): Fix check for whether we need to convert to multibyte. * src/fns.c (string_ascii_p): Remove copy. * src/lisp.h: Declare string_ascii_p.
* Tweak Fdirectory_append slightlyLars Ingebrigtsen2021-07-241-2/+2
| | | | | * src/fileio.c (Fdirectory_append): Make the xfree condition more robust.
* Tweak Fdirectory_append for efficiencyLars Ingebrigtsen2021-07-241-1/+2
| | | | * src/fileio.c (Fdirectory_append): Make slightly more efficient.
* Extend directory-append to take an arbitrary number of componentsLars Ingebrigtsen2021-07-241-37/+79
| | | | | | | | * doc/lispref/files.texi (Directory Names): Document it. * lisp/emacs-lisp/shortdoc.el (file-name): Add new example. * src/fileio.c (Fdirectory_append): Change the function to take an arbitrary number of components.
* Add new function `directory-append'Lars Ingebrigtsen2021-07-241-0/+46
| | | | | | | | | * doc/lispref/files.texi (Directory Names): Document it, and remove the concat-based file concatenation description. * lisp/emacs-lisp/shortdoc.el (file-name): Add. And add more expand-file-name examples. * src/fileio.c (Fdirectory_append): New function.
* Further cleanup for file locksMichael Albinus2021-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * doc/misc/tramp.texi (Top, Configuration): Adapt node name for file locks. (Auto-save File Lock and Backup): Rename node name and section title. Add file-lock to @cindex. Describe file locks. * lisp/dired.el (dired-trivial-filenames): Add lock files. (dired-font-lock-keywords): Move files suffixed with `completion-ignored-extensions' up. Add lock files to these checks. * lisp/net/tramp.el (tramp-get-lock-file, tramp-handle-unlock-file): Use `when-let' (tramp-lock-file-info-regexp): Rename from `tramp-lock-file-contents-regexp'. (tramp-handle-file-locked-p, tramp-handle-lock-file): Adapt callees. (tramp-handle-lock-file): Set file modes of lockname. * src/buffer.c (Frestore_buffer_modified_p): * src/fileio.c (write_region): * src/insdel.c (prepare_to_modify_buffer_1): Call Flock_file. * src/filelock.c (Qmake_lock_file_name): Declare symbol. (make_lock_file_name): Use it. Don't check Fboundp, it doesn't work for interned symbols. (lock_file): Return a Lisp_Object. Don't check create_lockfiles. Remove MSDOS version of the function. (Flock_file): Check create_lockfiles. (Flock_buffer): Call Flock_file. * src/lisp.h (lock_file): Remove. * test/lisp/shadowfile-tests.el (shadow-test08-shadow-todo) (shadow-test09-shadow-copy-files): Let-bind `create-lockfiles'. * test/lisp/net/tramp-tests.el (create-lockfiles): Don't set it globally. (tramp-test39-lock-file): Check also for `set-visited-file-name'.
* Code cleanup wrt file locksMichael Albinus2021-07-081-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lisp/files.el (make-lock-file-name): Fix docstring. * lisp/net/tramp-adb.el (tramp-adb-file-name-handler-alist): * lisp/net/tramp-archive.el (tramp-archive-file-name-handler-alist): * lisp/net/tramp-crypt.el (tramp-crypt-file-name-handler-alist): * lisp/net/tramp-gvfs.el (tramp-gvfs-file-name-handler-alist): * lisp/net/tramp-rclone.el (tramp-rclone-file-name-handler-alist): * lisp/net/tramp-sh.el (tramp-sh-file-name-handler-alist): * lisp/net/tramp-smb.el (tramp-smb-file-name-handler-alist): * lisp/net/tramp-sshfs.el (tramp-sshfs-file-name-handler-alist): * lisp/net/tramp-sudoedit.el (tramp-sudoedit-file-name-handler-alist): Add `make-lock-file-name'. * lisp/net/tramp.el (tramp-file-name-for-operation): Add `make-lock-file-name'. (tramp-handle-unlock-file): Call `userlock--handle-unlock-error' in case of error. * src/buffer.c (Frestore_buffer_modified_p): * src/editfns.c (Freplace_buffer_contents): * src/fileio.c (Finsert_file_contents, write_region): Call Funlock_file. * src/filelock.c (unlock_file): Rename from unlock_file_body. Remove the other declarations of unlock_file. Move file name handler check to ... (Funlock_file): ... here. Adapt argument numbers. Call unlock_file wrapped by internal_condition_case. (Flock_file): Adapt argument numbers. (unlock_all_files, Funlock_buffer, unlock_buffer): Call Funlock_file. * src/lisp.h (unlock_file): Remove.
* ; * src/fileio.c (Fsubstitute_in_file_name): Doc fix.Eli Zaretskii2021-06-131-1/+2
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* Fsubstitute_in_file_name doc string clarificationLars Ingebrigtsen2021-06-131-0/+2
| | | | | | * src/fileio.c (Fsubstitute_in_file_name): Mention that undefined variables aren't replaced (as opposed to what happens in a shell substitution) (bug#40949).
* Improve the file-accessible-directory-p doc strinLars Ingebrigtsen2021-05-291-6/+10
| | | | | * src/fileio.c (Ffile_accessible_directory_p): Don't use the phrase "directory name spec", which isn't defined (bug#18201).
* Update copyright year to 2021Paul Eggert2021-01-011-1/+1
| | | | Run "TZ=UTC0 admin/update-copyright".
* Adjust to recent Gnulib changesPaul Eggert2020-12-251-3/+0
| | | | | | | | | | | | | | | | | | | | | | The latest Gnulib merge brought in free-posix, which causes 'free' to preserve errno. This lets us simplify some Emacs code that calls 'free'. * admin/merge-gnulib (GNULIB_MODULES): Add free-posix. This module is pulled in by canonicalize-lgpl anyway, so we might as well rely on it. * lib-src/emacsclient.c (get_current_dir_name): Sync better with src/sysdep.c. * lib-src/etags.c (process_file_name, etags_mktmp): * lib-src/update-game-score.c (unlock_file): * src/fileio.c (file_accessible_directory_p): * src/sysdep.c (get_current_dir_name_or_unreachable): Simplify by assuming that 'free' preserves errno. * src/alloc.c (malloc_unblock_input): Preserve errno, so that xfree preserves errno. * src/sysdep.c (get_current_dir_name_or_unreachable): Simplify by using strdup instead of malloc+memcpy. No need for realloc (and the old code leaked memory anyway on failure); just use free+malloc.
* Fix use of obsolete 'error' warning levelZajcev Evgeny2020-12-231-1/+1
| | | | | * src/fileio.c (auto_save_error): Use new style ':error' warning level instead of obsolete 'error'.
* Inhibit buffer hooks in temporary buffersBasil L. Contovounesios2020-12-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Give get-buffer-create an optional argument to inhibit buffer hooks in internal or temporary buffers for efficiency (bug#34765). * etc/NEWS: Announce new parameter of get-buffer-create and generate-new-buffer, and that with-temp-buffer and with-temp-file now inhibit buffer hooks. * doc/lispref/buffers.texi (Buffer Names): Fix typo. (Creating Buffers): Document new parameter of get-buffer-create and generate-new-buffer. (Buffer List, Killing Buffers): Document when buffer hooks are inhibited. (Current Buffer): * doc/lispref/files.texi (Writing to Files): Document that with-temp-buffer and with-temp-file inhibit buffer hooks. * doc/lispref/internals.texi (Buffer Internals): Document inhibit_buffer_hooks flag. Remove stale comment. * doc/misc/gnus-faq.texi (FAQ 5-8): * lisp/simple.el (shell-command-on-region): Fix indentation. * lisp/files.el (kill-buffer-hook): Document when hook is inhibited. (create-file-buffer): * lisp/gnus/gnus-uu.el (gnus-uu-unshar-article): * lisp/international/mule.el (load-with-code-conversion): * lisp/mh-e/mh-xface.el (mh-x-image-url-fetch-image): * lisp/net/imap.el (imap-open): * lisp/net/mailcap.el (mailcap-maybe-eval): * lisp/progmodes/flymake-proc.el (flymake-proc--read-file-to-temp-buffer) (flymake-proc--copy-buffer-to-temp-buffer): Simplify. * lisp/subr.el (generate-new-buffer): Forward new optional argument to inhibit buffer hooks to get-buffer-create. (with-temp-file, with-temp-buffer, with-output-to-string): * lisp/json.el (json-encode-string): Inhibit buffer hooks in buffer used. * src/buffer.c (run_buffer_list_update_hook): New helper function. (Fget_buffer_create): Use it. Add optional argument to set inhibit_buffer_hooks flag instead of comparing the buffer name to Vcode_conversion_workbuf_name. All callers changed. (Fmake_indirect_buffer, Frename_buffer, Fbury_buffer_internal) (record_buffer): Use run_buffer_list_update_hook. (Fkill_buffer): Document when buffer hooks are inhibited. Use run_buffer_list_update_hook. (init_buffer_once): Inhibit buffer hooks in Vprin1_to_string_buffer. (Vkill_buffer_query_functions, Vbuffer_list_update_hook): Document when hooks are inhibited. * src/buffer.h (struct buffer): Update inhibit_buffer_hooks commentary. * src/coding.h (Vcode_conversion_workbuf_name): * src/coding.c (Vcode_conversion_workbuf_name): Make static again since it is no longer needed in src/buffer.c. (code_conversion_restore, code_conversion_save, syms_of_coding): Prefer boolean over integer constants. * src/fileio.c (Finsert_file_contents): Inhibit buffer hooks in " *code-converting-work*" buffer. * src/window.c (Fselect_window): Fix grammar. Mention window-selection-change-functions alongside buffer-list-update-hook. * test/src/buffer-tests.el: Fix requires. (buffer-tests-inhibit-buffer-hooks): New test.
* Add 'remote-file-error' for TrampMichael Albinus2020-12-141-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * doc/lispref/errors.texi (Standard Errors): Add 'remote-file-error'. * etc/NEWS: Mention 'remote-file-error'. * lisp/net/ange-ftp.el (ftp-error): Add error condition `remote-file-error'. * lisp/net/tramp-cmds.el (tramp-cleanup-all-connections): Do not set `tramp-locked'. * lisp/net/tramp-compat.el (remote-file-error): Define if it doesn't exist. * lisp/net/tramp-sh.el (tramp-timeout-session): Check for "locked" property. (tramp-maybe-open-connection): Simplify. * lisp/net/tramp.el (tramp-locked, tramp-locker): Remove them. (tramp-file-name-handler): Do not set them. (with-tramp-locked-connection): New defmacro. (tramp-accept-process-output, tramp-send-string): Use it. * src/fileio.c (Qremote_file_error): New error symbol. * test/lisp/net/tramp-tests.el (tramp-test43-asynchronous-requests): Adapt test. Remove :unstable tag.
* Improve the documentation of marker handling when revertingLars Ingebrigtsen2020-12-121-3/+4
| | | | | | | | | | | * doc/lispref/backups.texi (Reverting): Mention markers from non-file sources (bug#30028). * lisp/files.el (revert-buffer): Mention what happens with markers (bug#30028). * src/fileio.c (Finsert_file_contents): Say a bit more about what markers are restored (bug#30028).
* Use the full name of the null byte/character, not its abbreviationAndreas Schwab2020-10-051-1/+1
| | | | | | | | | | | | | | | | | | | | | * lisp/subr.el (inhibit-nul-byte-detection): Make it an obsolete alias. * src/coding.c (setup_coding_system): Use original name. (detect_coding): Rename nul_byte_found => null_byte_found. (detect_coding_system): Use original name. Rename nul_byte_found => null_byte_found. (Fdefine_coding_system_internal): Use original name. (syms_of_coding): Rename inhibit-nul-byte-detection to inhibit-null-byte-detection. * src/w16select.c (get_clipboard_data): Rename nul_char to null_char. * src/json.c (check_string_without_embedded_nulls): Rename from check_string_without_embedded_nuls. (Fjson_parse_string): Adjust accordingly. * src/coding.h (enum define_coding_undecided_arg_index) (enum coding_attr_index): Rename ...nul_byte... to ...null_byte.... * lisp/info.el (info-insert-file-contents, Info-insert-dir): * lisp/international/mule.el (define-coding-system): * lisp/vc/vc-git.el (vc-git--call): * doc/lispref/nonascii.texi (Lisp and Coding Systems): Use original name.
* Doc string clarification in file-directory-pLars Ingebrigtsen2020-09-131-0/+5
| | | | | * src/fileio.c (Ffile_directory_p): Mention that "" is a special case (bug#43375).
* Fix 'expand-file-name' for remote filesEli Zaretskii2020-09-031-56/+30
| | | | | | | | | | | | | | | | | | | | | | | | This reverts most of commit 14fb657ba82da346d36f05f88da26f1c5498b798 and its followup fixes, and instead fixes the original bugs in a different manner that doesn't affect any unrelated use cases. As part of this, the code which caused 'expand-file-name' to enforce a trailing slash on expanded directories is removed, as this kind of semantic processing is outside of 'expand-file-name's scope. * src/fileio.c (Fexpand_file_name): If expanding default_directory yields a remote file name, call its handlers. (Bug#26911) (Bug#34834) * doc/lispref/files.texi (File Name Expansion): Remove the requirement that expanding a directory name yields a directory name, i.e. that the expansion must end in a slash. * etc/NEWS: Remove the announcement of the changed behavior of 'expand-file-name' wrt trailing slashes. * test/src/fileio-tests.el (fileio-tests--HOME-trailing-slash) (fileio-tests--expand-file-name-trailing-slash): Remove tests. * test/lisp/net/tramp-tests.el (tramp-test05-expand-file-name): No need to expect different results in Emacs 28 and later.
* Revert recent expand-file-name changes if DOS_NTPaul Eggert2020-08-281-9/+57
| | | | | | * src/fileio.c (Fexpand_file_name): Restore pre-August-26 behavior, if DOS_NT. This should fix the recently-introduced expand-file-name bugs on DOS_NT (Bug#26911).
* * src/fileio.c (Fexpand_file_name): Omit unnecessary assignment.Paul Eggert2020-08-281-1/+0
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* Fix recently-introduced expand-file-name bugPaul Eggert2020-08-271-25/+13
| | | | | | | | | | | | | | The bug was that (expand-file-name "~") returned something like "/home/eggert/" instead of "/home/eggert". Problem reported by Mattias Engdegård (Bug#26911#27). * src/fileio.c (Fexpand_file_name): When concatenating NEWDIR to NM, instead of stripping trailing slashes from NEWDIR (which can turn non-symlinks into symlinks), strip leading slashes from NM. This also simplifies the code by removing no-longer-needed DOS_NT special-casing. Also, remove an unnecessary ‘target[length] = 0;’ as that byte will be overwritten by the next memcpy anyway. * test/src/fileio-tests.el (fileio-tests--HOME-trailing-slash): New test.
* Fix expand-file-name symlink-to-dir bugPaul Eggert2020-08-261-15/+22
| | | | | | | | | | | | | | | Problem reported by Yegor Timoshenko (Bug#26911), and I ran into it myself recently in normal-top-level. * doc/lispref/files.texi (File Name Expansion), etc/NEWS: Mention this. * src/fileio.c (Fexpand_file_name): Expand "/a/b/." to "/a/b/" not "/a/b", to avoid misinterpreting a symlink "/a/b". Similarly, expand "/a/b/c/.." to "/a/b/" not "/a/b". * test/lisp/net/tramp-tests.el (tramp-test05-expand-file-name): Adjust to match new behavior. (tramp-test05-expand-file-name-relative): This test now succeeds, at least on Fedora 31. * test/src/fileio-tests.el: (fileio-tests--expand-file-name-trailing-slash) New test.
* Fix uses of deprecated SELinux security_context_tBasil L. Contovounesios2020-07-281-3/+3
| | | | | | | | | | | | | | SELinux has used 'char *' in place of its typedef 'security_context_t' since 2014 (v2.3) because the latter was inconvenient to use when paired with the 'const' qualifier. The typedef has been kept around for compatibility with legacy callers, but it is deprecated in SELinux v3.1. See the following URL for the relevant announcement: https://lore.kernel.org/selinux/20200710162034.GC1768200@localhost.localdomain/ * src/fileio.c (Fcopy_file, Ffile_selinux_context) (Fset_file_selinux_context) [HAVE_LIBSELINUX]: Replace deprecated 'security_context_t' typedef with the equivalent 'char *'.
* Improve integer range checkingPaul Eggert2020-04-051-2/+2
| | | | | | | | | | | | | | | | | | * src/bignum.c (check_integer_range, check_uinteger_max) (check_int_nonnegative): New functions. * src/frame.c (check_frame_pixels): New function. (Fset_frame_height, Fset_frame_width, Fset_frame_size): Use it. * src/lisp.h (CHECK_RANGED_INTEGER, CHECK_TYPE_RANGED_INTEGER): Remove these macros. Unless otherwise specified, all callers replaced by calls to check_integer_range, check_uinteger_range, check_int_nonnegative. * src/frame.c (gui_set_right_divider_width) (gui_set_bottom_divider_width): * src/nsfns.m (ns_set_internal_border_width): * src/xfns.c (x_set_internal_border_width): Using check_int_nonnegative means these functions no longer incorrectly reject negative bignums; they treat them as 0, just like negative fixnums.
* Stop using newly-deprecated dosname Gnulib modulePaul Eggert2020-03-281-1/+1
| | | | | | | | | Code is supposed to use the filename module now. * admin/merge-gnulib (GNULIB_MODULES): Replace dosname with filename. * lib/dosname.h: Remove this forwarding stub. * lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate. * lib-src/emacsclient.c, src/fileio.c: Include filename.h instead of dosname.h.
* Fix the MinGW build as followup to recent "nofollow" changesEli Zaretskii2020-03-081-1/+1
| | | | | | | | | | | | | | | | | | | | * src/w32.c (fdutimens): Call utimensat instead of utime. (set_file_times): Function deleted. (convert_from_timespec): Renamed from convert_from_time_t and modified to accept 'struct timespec' argument instead of 'time_t'. (utimensat): Renamed from utime and modified to accept 'struct timespec [2]' argument and an additional argument FLAG. Emulate Posix 'utimensat'. Call 'convert_from_timespec'. (w32_copy_file): Call 'utimensat' instead of 'set_file_times'. * src/fileio.c (Fcopy_file) [WINDOWSNT]: Make the error message be identical to that on Posix platforms. * nt/inc/sys/stat.h (utimensat): Provide prototype. * nt/mingw-cfg.site (ac_cv_func_futimens) (gl_cv_func_futimens_works, ac_cv_func_utimensat) (gl_cv_func_utimensat_works): Override Gnulib tests. * nt/gnulib-cfg.mk (OMIT_GNULIB_MODULE_futimens) (OMIT_GNULIB_MODULE_utimensat): Disable these Gnulib modules.
* Add ‘nofollow’ flag to set-file-timesPaul Eggert2020-03-071-25/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a companion to the recent set-file-modes patch. It adds support for a ‘nofollow’ flag to set-file-times (Bug#39773). Like the set-file-modes patch, it needs work in the w32 port. * admin/merge-gnulib (GNULIB_MODULES): Add futimens, utimensat. Remove utimens. * doc/lispref/files.texi (Changing Files): * etc/NEWS: Mention the change. * lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate. * lisp/files.el (copy-directory): * lisp/gnus/gnus-cloud.el (gnus-cloud-replace-file): * lisp/net/tramp-adb.el (tramp-adb-handle-copy-file): * lisp/net/tramp-smb.el (tramp-smb-handle-copy-file): * lisp/tar-mode.el (tar-copy): * test/lisp/filenotify-tests.el (file-notify-test03-events): * test/lisp/files-tests.el: (files-tests-file-name-non-special-set-file-times): * test/lisp/net/tramp-tests.el (tramp-test22-file-times): When setting file times, avoid following symbolic links when the file is not supposed to be a symbolic link. * lib/futimens.c, lib/utimensat.c, m4/futimens.m4, m4/utimensat.m4: New files, copied from Gnulib. * lisp/gnus/gnus-cloud.el (gnus-cloud-replace-file): When creating a file that is not supposed to exist already, use the excl flag to check this. * lisp/net/tramp-adb.el (tramp-adb-handle-set-file-times): * lisp/net/tramp-sh.el (tramp-sh-handle-set-file-times): * lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-set-file-times): Accept an optional FLAG arg that is currently ignored, and add a FIXME comment for it. * lisp/net/tramp-gvfs.el (tramp-gvfs-handle-set-file-times): * src/fileio.c (Fset_file_times): Support an optional FLAG arg. * src/fileio.c (Fcopy_file): Use futimens instead of set_file_times, as it’s simpler and is a POSIX API. * src/sysdep.c (set_file_times): Move from here ... * src/w32.c (set_file_times): ... to here, and make it static, since it is now used only in w32.c. Presumably w32.c should also add support for futimens and utimensat (the POSIX APIs, which Emacs now uses) and it can remove fdutimens (the Gnulib API, which Emacs no longer uses).
* Add 'nofollow' flag to set-file-modes etc.Paul Eggert2020-02-231-18/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This avoids some race conditions (Bug#39683). E.g., if some other program changes a file to a symlink between the time Emacs creates the file and the time it changes the file’s permissions, using the new flag prevents Emacs from inadvertently changing the permissions of a victim in some completely unrelated directory. * admin/merge-gnulib (GNULIB_MODULES): Add fchmodat. * doc/lispref/files.texi (Testing Accessibility, Changing Files): * doc/lispref/os.texi (File Notifications): * etc/NEWS: Adjust documentation accordingly. * lib/chmodat.c, lib/fchmodat.c, lib/lchmod.c, m4/fchmodat.m4: * m4/lchmod.m4: New files, copied from Gnulib. * lib/gnulib.mk.in: Regenerate. * lisp/dired-aux.el (dired-do-chmod): * lisp/doc-view.el (doc-view-make-safe-dir): * lisp/emacs-lisp/autoload.el (autoload--save-buffer): * lisp/emacs-lisp/bytecomp.el (byte-compile-file): * lisp/eshell/em-pred.el (eshell-pred-file-mode): * lisp/files.el (backup-buffer-copy, copy-directory): * lisp/gnus/mail-source.el (mail-source-movemail): * lisp/gnus/mm-decode.el (mm-display-external): * lisp/gnus/nnmail.el (nnmail-write-region): * lisp/net/tramp-adb.el (tramp-adb-handle-file-local-copy) (tramp-adb-handle-write-region): * lisp/net/tramp-sh.el (tramp-do-copy-or-rename-file-directly): * lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-write-region): * lisp/net/tramp.el (tramp-handle-write-region) (tramp-make-tramp-temp-file): * lisp/server.el (server-ensure-safe-dir): * lisp/url/url-util.el (url-make-private-file): When getting or setting file modes, avoid following symbolic links when the file is not supposed to be a symbolic link. * lisp/doc-view.el (doc-view-make-safe-dir): Omit no-longer-needed separate symlink test. * lisp/gnus/gnus-util.el (gnus-set-file-modes): * lisp/net/tramp.el (tramp-handle-file-modes): * lisp/net/tramp-gvfs.el (tramp-gvfs-handle-set-file-modes): * src/fileio.c (symlink_nofollow_flag): New function. (Ffile_modes, Fset_file_modes): Support an optional FLAG arg. All C callers changed. * lisp/net/ange-ftp.el (ange-ftp-set-file-modes): * lisp/net/tramp-adb.el (tramp-adb-handle-set-file-modes): * lisp/net/tramp-sh.el (tramp-sh-handle-set-file-modes): * lisp/net/tramp-smb.el (tramp-smb-handle-set-file-modes): * lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-set-file-modes): Accept an optional FLAG arg that is currently ignored, and add a FIXME comment for it. * m4/gnulib-comp.m4: Regenerate.
* Merge from origin/emacs-27Glenn Morris2020-02-201-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | 9f08524748 (origin/emacs-27) Fix broken regexps 1d10885763 ; spelling and comment fix 614203bc80 ; make change-history-commit 28399e585e * Makefile.in (PREFERRED_BRANCH): Now emacs-27. 62afbc513a Fix bug when visiting euc-jp-encoded directories a2c4eeeecd Clarify when fixnums are used. 4e5ac4b0c6 Reorder discussion of integer basics f765aad28b Make OMake support slightly less expensive (bug#39595) 39410cfc5a Speed up 'msft' and 'watcom' compilation error regexps 96a269d045 Speed up 'maven' compilation error message regexp efc9d4fe3e Amend c-backward-sws better to handle multiline block comm...
| * Fix bug when visiting euc-jp-encoded directoriesPaul Eggert2020-02-191-1/+1
| | | | | | | | | | | | | | | | Problem reported by Ken Sasaki (Bug#39672). * src/fileio.c (Ffile_directory_p): Encode filename before giving it to file_directory_p. This fixes a typo introduced in 2019-09-18T02:18:14Z!eggert@cs.ucla.edu.
* | Work better if stat etc. are interruptedPaul Eggert2020-01-201-15/+24
|/ | | | | | | | | | | | | | | | | | | | | Quit or retry if fstat, lstat, stat or openat fail with EINTR. This should fix some bugs on platforms where accessing files via NFS can fail that way (Bug#9256). * src/dired.c (file_attributes): * src/fileio.c (file_directory_p) [O_PATH]: Use emacs_openat instead of openat. * src/dired.c (file_attributes): Use emacs_fstatat instead of fstatat. * src/fileio.c (barf_or_query_if_file_exists, Frename_file): * src/filelock.c (rename_lock_file): Use emacs_fstatat instead of lstat. * src/fileio.c (file_directory_p, Ffile_regular_p, Ffile_modes) (Ffile_newer_than_file_p, Fverify_visited_file_modtime) (Fset_visited_file_modtime, auto_save_1): * src/lread.c (Fload): * src/sysdep.c (get_current_dir_name_or_unreachable): Use emacs_fstatat instead of stat. * src/sysdep.c (emacs_fstatat, emacs_openat): New functions. (emacs_open): Redo in terms of emacs_open.
* * src/fileio.c (Fwrite_region): Improve the doc string.Eli Zaretskii2020-01-021-0/+1
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* Update copyright year to 2020Paul Eggert2020-01-011-1/+1
| | | | Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
* Fix insert-file-contents file error regressionPaul Eggert2019-10-311-3/+2
| | | | | | | | Problem reported for dired-view-file (Bug#37950). * src/fileio.c (Finsert_file_contents): When visiting, signal an error if the file could not be opened for any reason, rather than signaling an error only for nonexistent files, fixing a bug introduced in 2019-09-16T03:17:43!eggert@cs.ucla.edu.
* Fix fileio.c infloops on circular listsPaul Eggert2019-10-301-10/+7
| | | | | | | | | | | | | Fix infinite loops in fileio.c when a circular list is the value of after_insert_file_functions, buffer-auto-save-file-format, buffer-file-format, or write-region-annotate-functions. * src/fileio.c (Finsert_file_contents, build_annotations): Use FOR_EACH_TAIL to avoid infloop on circular lists. (build_annotations): Use an EMACS_INT, not an int, to count nesting level. * test/src/fileio-tests.el: (fileio-tests--circular-after-insert-file-functions): New test.
* Fix port of file-acl errno checking to non-GNUPaul Eggert2019-10-061-1/+1
| | | | | | I had misinterpreted the private email from Ashish Shukla. * src/fileio.c (Ffile_acl): Fix typo in previous change by negating the call to acl_errno_valid.
* Port file-acl errno checking to non-GNUPaul Eggert2019-10-061-1/+1
| | | | | | | Problem reported privately for FreeBSD 12 by Ashish Shukla. * src/fileio.c (Ffile_acl): Treat EINVAL etc. like ENOTSUP if acl_get_file fails, to port to FreeBSD 12 and other non-GNU platforms.
* Update some URLsPaul Eggert2019-09-231-1/+1
| | | | | | | | | | | | | | | | | This mostly changes http: to https: in URLs. It also updates some URLs that have moved, removes some URLs that no longer work, recommends against using procmail (procmail.org no longer works), and removes some mentions of the no-longer-existing Gmane, LPF and VTW. It doesn't update all URLs, just the ones I had time for. * GNUmakefile (help): * admin/admin.el (manual-doctype-string): * admin/charsets/Makefile.in (${charsetdir}/ALTERNATIVNYJ.map): * admin/charsets/mapconv: * lisp/net/soap-client.el (soap-create-envelope): * lisp/org/org.el (org-doi-server-url): * lisp/textmodes/bibtex.el (bibtex-generate-url-list): Prefer https: to http: un URLs.
* Revert too-picky file-access testsPaul Eggert2019-09-211-81/+27
| | | | | | | | | | | | | | | | | | | | | | | | | Problem reported by Andreas Schwab (Bug#37475). * doc/lispref/files.texi (Writing to Files) (Testing Accessibility, Kinds of Files): Document that accessibility and file-type predicates return nil if there is trouble determining accessibility or type. * etc/NEWS: Adjust, and list the affected primitives. * src/callproc.c (init_callproc): Go back to Ffile_exists_p. * src/fileio.c (PICKY_EACCES, file_test_errno): Remove. All uses removed. (Ffile_name_case_insensitive_p, Ffile_exists_p, Ffile_symlink_p) (Ffile_directory_p, Ffile_regular_p): Document that these functions return nil if there is trouble. (Ffile_name_case_insensitive_p, check_file_access) (Ffile_writable_p, Ffile_symlink_p, Ffile_directory_p) (Ffile_accessible_directory_p, Ffile_regular_p) * src/lread.c (Fload): Go back to treating trouble in determining the answer as if the file were missing. * src/fileio.c (Ffile_newer_than_file_p): Use file_attribute_errno not file_test_errno, since returning nil is not appropriate when there are two files to test; e.g., in the rare cases where both file timestamps have overflowed then neither t nor nil is correct.
* Default PICKY_ACCESS to false on non-MSPaul Eggert2019-09-191-4/+8
| | | | * src/fileio.c (PICKY_EACCES) [!DOS_NT]: Default to false.
* Out-of-datedness .elc check is merely a file testPaul Eggert2019-09-181-1/+1
| | | | | | | * src/fileio.c (file_test_errno): Now extern. * src/lread.c (Fload): Use file_test_errno instead, since this is really just a file test (the attributes are not given to the user).
* Fix the MS-Windows build broken by recent errno changesEli Zaretskii2019-09-181-1/+4
| | | | | | * src/fileio.c (file_directory_p): If the file exists, but is not a directory, set errno to ENOTDIR, like the Posix branch does; openp expects that.
* Be less picky about EACCES in file test predicatesPaul Eggert2019-09-181-1/+15
| | | | | | | | Problem reported by Tino Calancha (Bug#37445) and others. * src/fileio.c (PICKY_EACCES): New constant, false by default. (file_test_errno): Ignore EACCES if not picky. (check_file_access): Investigate EACCES problems further if picky.
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