On my host, this speeds up directory-files-and-attributes by a
factor of 3, when applied to Emacs's src directory.
These functions are standardized by POSIX and are common these
days; fall back on a (slower) gnulib implementation if the host
is too old to supply them.
* .bzrignore: Add lib/dirent.h.
* lib/Makefile.am (libgnu_a_SOURCES): Add openat-die.c, save-cwd.c.
* lib/careadlinkat.c, lib/careadlinkat.h: Merge from gnulib,
incorporating: 2013-01-29 careadlinkat: do not provide careadlinkatcwd.
* lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate.
* lib/dirent.in.h, lib/fdopendir.c, lib/fstatat.c, lib/openat-priv.h:
* lib/openat-proc.c, lib/openat.h, m4/dirent_h.m4, m4/fdopendir.m4:
* m4/fstatat.m4: New files, from gnulib.
* lib/openat-die.c, lib/save-cwd.c, lib/save-cwd.h: New files.
These last three are specific to Emacs and are not copied from gnulib.
They are simpler than the gnulib versions and are tuned for Emacs.
* admin/merge-gnulib (GNULIB_MODULES): Add fdopendir, fstatat, readlinkat.
(GNULIB_TOOL_FLAGS): Do not avoid at-internal, openat-h.
Avoid dup, open, opendir.
* nt/inc/sys/stat.h (fstatat):
* nt/inc/unistd.h (readlinkat): New decls.
* src/conf_post.h (GNULIB_SUPPORT_ONLY_AT_FDCWD): Remove.
* src/dired.c: Include <fcntl.h>.
(open_directory): New function, which uses open and fdopendir
rather than opendir. DOS_NT platforms still use opendir, though.
(directory_files_internal, file_name_completion): Use it.
(file_attributes): New function, with most of the old Ffile_attributes.
(directory_files_internal, Ffile_attributes): Use it.
(file_attributes, file_name_completion_stat): First arg is now fd,
not dir name. All uses changed. Use fstatat rather than lstat +
stat.
(file_attributes): Use emacs_readlinkat rather than Ffile_symlink_p.
* src/fileio.c: Include <allocator.h>, <careadlinkat.h>.
(emacs_readlinkat): New function, with much of the old
Ffile_symlink_p, but with an fd argument for speed.
It uses readlinkat rather than careadlinkatcwd, so that it
need not assume the working directory.
(Ffile_symlink_p): Use it.
* src/filelock.c (current_lock_owner): Use emacs_readlinkat
rather than emacs_readlink.
* src/lisp.h (emacs_readlinkat): New decl.
(READLINK_BUFSIZE, emacs_readlink): Remove.
* src/sysdep.c: Do not include <allocator.h>, <careadlinkat.h>.
(emacs_norealloc_allocator, emacs_readlink): Remove.
This stuff is moved to fileio.c.
* src/w32.c (fstatat, readlinkat): New functions.
(careadlinkat): Don't check that fd == AT_FDCWD.
(careadlinkatcwd): Remove; no longer needed.
Fixes: debbugs:13539
* make-dist: Only README files exist in lisp/ now, not README*.
* doc/misc/calc.texi (Help Commands): Mention etc/CALC-NEWS.
* etc/CALC-NEWS: Move here from lisp/calc/README, README.prev.
* lisp/calc/README, lisp/calc/README.prev: Rename/merge to etc/CALC-NEWS.
`string-as-unibyte'. The function does not exist on XEmacs, and
likely we need another approach.
* net/tramp-sh.el (tramp-compute-multi-hops): Check, whether
`tramp-gw-*' variables are bound.
* lisp/files.el (basic-save-buffer-2):
Choose coding system for writing the file before backing it up.
* src/fileio.c (choose_write_coding_system): Make it callable from Lisp.
(Fwrite_region): If coding-system-for-write is set, don't call
choose_write_coding_system.
Move the last piece of choose_write_coding_system here.
(syms_of_fileio): Add choose-write-coding-system.
Fixes: debbugs:13522
(opascal-newline-always-indents): Remove custom.
(opascal-tab, opascal-newline): Remove commands.
(opascal-new-comment-line): Insert "\n" instead of calling newline.
(opascal-mode-map): Keep default bindings for RET and TAB and DEL.
(opascal-save-match-data): Remove, use save-match-data instead.
(opascal-save-state): Use with-silent-modifications.
* lisp/mouse.el (mouse-drag-line): Avoid pushing same event onto
unread-command-events twice in some cases. This tries to implement
the 2012-07-26 changes in a different way.
Fixes: debbugs:13560
(tramp-completion-reread-directory-timeout): Fix type.
(tramp-connection-min-time-diff): New defcustom.
* net/tramp-sh.el (tramp-maybe-open-connection): Use it.
cc-awk.el (c-awk-harmless-char-re, c-awk-harmless-string*-re):
(c-awk-harmless-string*-here-re): braces, parens and semicolons are no
longer included.
(c-awk-harmless-line-char-re, c-awk-harmless-line-string*-re): What used
to be these variables without "-line" in the name.
(c-awk-neutral-re): { is no longer neutral. Escaped newlines now are.
(c-awk-non-arith-op-bra-re): Now also matches {.
(c-awk-pre-exp-alphanum-kwd-re): New regexp to match "print", "return",
and "case".
(c-awk-kwd-regexp-sign-re): New, to match "print", etc., followed by /.
(c-awk-syntax-tablify-/): Check special cases "print /re/", etc.
(c-awk-set-syntax-table-properties): Extend FSM to handle {,},(,),;.
(tramp-gw-tunnel-method, tramp-gw-socks-method): Declare for
compatibility.
(tramp-compute-multi-hops): Check, whether
`tramp-gw-tunnel-method' and `tramp-gw-socks-method' are non-nil.
* net/tramp-sh.el (tramp-sh-handle-start-file-process): Catch
`suppress'. Otherwise, `tramp-run-real-handler' might be called
in `tramp-file-name-handler'.
http://lists.gnu.org/archive/html/emacs-devel/2013-01/msg00576.html.
* dispnew.c (preemption_period, preemption_next_check): Remove.
(Vredisplay_preemption_period): Likewise.
(update_frame, update_single_window, update_window, update_frame_1):
Adjust users. Always assume that PERIODIC_PREEMPTION_CHECKING is not
used, following the 2012-06-22 change.
temporarily) broken indentation.
* automated/ruby-mode-tests.el (ruby-block-test-example):
Break indentation of the do block opener and add a line inside it.
* automated/ruby-mode-tests.el (works-on-do, ok-with-three):
Adjust line numbers.
