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* Update copyright year to 2025Paul Eggert2025-01-011-1/+1
| | | | Run "TZ=UTC0 admin/update-copyright".
* Pacify gcc -Wmissing-variable-declarationsPaul Eggert2024-05-111-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | This is a new warning diagnostic in GCC 14. * lib-src/etags.c (mercury_heuristics_ratio): * src/pgtkselect.c, src/xselect.c (selection_request_stack): * src/xselect.c (outstanding_transfers): * src/xterm.c (pending_selection_requests) (x_dnd_waiting_for_motif_finish_display): Now static. * lib-src/make-docfile.c (close_emacs_globals): Arrange for lispsym to be declared with extern first, when compiling lread.c. * src/alloc.c (gdb_make_enums_visible) [__GNUC__]: * src/emacs.c (RCS_Id): * src/keyboard.c (stop_character): * src/print.c (print_output_debug_flag): Now declared with extern first. * src/lisp.h (DEFINE_GDB_SYMBOL_BEGIN) [MAIN_PROGRAM]: Arrange for ID to be declared extern first. * src/lisp.h (garbage_collection_inhibited): * src/xterm.h (x_frame_parm_handlers): Declare here, so that its interface is properly checked. Other decls removed.
* ; Add 2024 to copyright yearsPo Lu2024-01-021-1/+1
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* ; Add 2023 to copyright years.Eli Zaretskii2023-01-011-1/+1
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* Revert "Revert part of 59732a83c8 to fix bug#52969"Stefan Monnier2022-08-031-357/+3
| | | | | | | | | | | This reverts commit 460f35e96df1c39ce2ba0f424b36365a2f9e9825. Re-remove the code that scans .el files for docstrings, now that even `lisp/loaddefs.el` is compiled. * lib-src/make-docfile.c (scan_file): Don't call `scan_lisp_file`. (scan_lisp_file, skip_white, read_lisp_symbol, search_lisp_doc_at_eol): Delete functions.
* Audit quoting symbols in C doc stringsLars Ingebrigtsen2022-05-241-1/+1
| | | | | | | | | | | | | | * test/manual/etags/c-src/emacs/src/keyboard.c (Frecursive_edit): * src/xfns.c (syms_of_xfns): * src/xdisp.c (Fwindow_text_pixel_size): (syms_of_xdisp): * src/w32notify.c (Fw32notify_add_watch): (Fw32notify_add_watch): * src/frame.c (Fframe_child_frame_border_width): * src/comp.c (Fcomp__subr_signature): * src/alloc.c (Fgarbage_collect): * lib-src/make-docfile.c (scan_c_stream): Audit quoting symbols in C doc strings.
* Do not include <attribute.h> from <config.h>Paul Eggert2022-03-081-0/+1
| | | | | | | | | | | | This is because mod-test.c shouldn’t use source code from lib, but it does need to include <config.h>. * lib-src/ebrowse.c, lib-src/emacsclient.c, lib-src/etags.c: * lib-src/make-docfile.c, lib-src/movemail.c: * lib-src/seccomp-filter.c, src/dynlib.h, src/lisp.h: * src/syssignal.h, src/sysstdio.h, src/systhread.h, src/tparam.h: Include <attribute.h>. * src/conf_post.h: Do not include <attribute.h>. All uses of attribute.h macros replaced with their _GL_ equivalents.
* Fix two unused variable warnings in make-docfile.cStefan Kangas2022-01-041-2/+0
| | | | | * lib-src/make-docfile.c (scan_lisp_file): Fix unused variable warnings.
* Revert part of 59732a83c8 to fix bug#52969Stefan Monnier2022-01-031-3/+359
| | | | | | | | | | | | | While we don't need to put docstrings of .elc files into etc/DOC, we still need to put those of `loaddefs.el` there since we don't have a "dynamic docstring" feature for the non-compiled files and keeping the actual docstrings in the heap would be prohibitive. * src/Makefile.in ($(etc)/DOC): Scan `lisp/loaddefs.el` still. * lib-src/make-docfile.c (scan_lisp_file): New function. (scan_file): Use it. (skip_white, read_lisp_symbol, search_lisp_doc_at_eol): New functions.
* Merge from origin/emacs-28Eli Zaretskii2022-01-011-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 836be7a112 ; * etc/refcards/ru-refcard.tex: Update Copyright year. 86cbc6ee4a * lisp/net/tramp-sh.el: Adapt copyright year ebe8772f65 ; Minor fixes related to copyright years 23c1ee6989 ; * test/manual/etags/ETAGS.good_N: Adjust to copyright ye... 8d3fc7ec89 * src/xfaces.c (face_for_font): Make 'hash' be uintptr_t. 19dcb237b5 ; Add 2022 to copyright years. # Conflicts: # etc/NEWS # etc/refcards/ru-refcard.tex # lib/cdefs.h # lisp/erc/erc-dcc.el # lisp/erc/erc-imenu.el # lisp/erc/erc-replace.el # lisp/image-dired.el # lisp/progmodes/xref.el # m4/alloca.m4 # m4/byteswap.m4 # m4/errno_h.m4 # m4/getopt.m4 # m4/gnulib-common.m4 # m4/inttypes.m4 # m4/stddef_h.m4 # m4/stdint.m4 # m4/sys_socket_h.m4
| * ; Add 2022 to copyright years.Eli Zaretskii2022-01-011-1/+1
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* | Don't store docstrings of preloaded .el files in etc/DOCStefan Monnier2021-12-301-463/+3
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the location of those files changes between build time and installation time, this requires to tweak the file name used in those (#$ . NNN) references during the dump so they don't hardcode the build directory. We do it in the same way as was already done for those same file names in `load-history`, except we convert them back to absolute file names more lazily (i.e. when fetching the actual docstring rather than at startup), which requires remembering the `lisp-dir` computed at startup in the new `lisp-directory` variable. * src/Makefile.in ($(etc)/DOC): Don't scan Lisp files any more. * src/lread.c (Fload): Use relative file names for `load-file-name` when preloading for the dump, like we already did for `current-load-list`. (read_list): Don't zero-out dynamic docstring references during the preload since they won't be filled later by Snarf-documentation any more. (read1): Remove the hash-hack for doc references that were zeroed. * lisp/startup.el (lisp-directory): New variable. (command-line): Set it. * src/doc.c (get_doc_string): Use `lisp-directory` for dynamic docstring references using relative file names. (syms_of_doc): Add `Qlisp_directory`. * lib-src/make-docfile.c (scan_file): Don't handle `.el` or `.elc` files any more. (IS_SLASH): Remove macro, not used any more. (skip_white, read_lisp_symbol, search_lisp_doc_at_eol) (scan_lisp_file): Remove functions, not used any more. * doc/lispref/loading.texi (Library Search): Mention `lisp-directory`.
* Update copyright year to 2021Paul Eggert2021-01-011-1/+1
| | | | Run "TZ=UTC0 admin/update-copyright".
* Update copyright year to 2020Paul Eggert2020-01-011-1/+1
| | | | Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
* * lib-src/make-docfile.c: Fix comment typo.Paul Eggert2019-07-121-1/+1
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* Tweak builtin symbol order for speedPaul Eggert2019-07-111-5/+16
| | | | | | | | * lib-src/make-docfile.c (compare_globals): Make symbols 1 through 4 be t, unbound, error, lambda. This is in addition to symbol 0 being nil. This change improved ‘make compile-always’ performance by 0.6% on my platform.
* Mark _Noreturn error functions as coldPaul Eggert2019-04-181-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On my platform this made ‘make compile-always’ 1.3% faster. Suggested by Alex Gramiak in: https://lists.gnu.org/r/emacs-devel/2019-04/msg00684.html * configure.ac (nw): Don’t use -Wsuggest-attribute=cold. * lib-src/make-docfile.c (write_globals): Mark noreturn functions as cold. * src/callproc.c (exec_failed): * src/data.c (wrong_length_argument, wrong_type_argument): * src/emacs-module.c (module_abort): * src/emacs.c (terminate_due_to_signal): * src/eval.c (unwind_to_catch): * src/image.c (my_png_error, my_error_exit): * src/json.c (json_out_of_memory, json_parse_error): * src/keyboard.c (quit_throw_to_read_char, user_error): * src/lisp.h (die, wrong_type_argument, wrong_choice) (args_out_of_range, args_out_of_range_3, circular_list) (buffer_overflow, memory_full, buffer_memory_full) (string_overflow, xsignal, xsignal0, xsignal1, xsignal2) (xsignal3, signal_error, overflow_error, error, verror) (nsberror, report_file_errno, report_file_error) (report_file_notify_error, terminate_due_to_signal) (emacs_abort, fatal): * src/lread.c (load_error_old_style_backquotes) (end_of_file_error, invalid_syntax): * src/pdumper.c (error_unsupported_dump_object): * src/puresize.h (pure_write_error): * src/search.c (matcher_overflow): * src/sound.c (sound_perror, alsa_sound_perror): * src/sysdep.c (handle_arith_signal): * src/systime.h (time_overflow): * src/term.c (maybe_fatal, vfatal): * src/textprop.c (text_read_only): * src/timefns.c (invalid_time_zone_specification) (time_error, invalid_hz): * src/xterm.c (x_connection_closed): Use AVOID instead of _Noreturn void, so that it’s marked cold. * src/conf_post.h (__has_attribute_cold) [!__has_attribute]: New macro. (ATTRIBUTE_COLD): New macro. * src/frame.h (WINDOW_SYSTEM_RETURN): Add ATTRIBUTE_COLD. * src/lisp.h (AVOID): New macro. * src/xterm.c: Omit unnecessary static decls, so that we needn’t worry about which functions should be marked cold. (x_io_error_quitter): Mark as cold.
* Suppress GC stats when obviously not neededPaul Eggert2019-03-011-0/+3
| | | | | | | | | | | | | | | | | | | This should help future improvements where these stats can be bignums that do not fit into intmax_t. * src/alloc.c (struct gcstat, gcstat): New type and static var, to package up GC statistics into one C object. It replaces ... (total_free_intervals, total_intervals, total_strings) (total_free_strings, total_string_bytes, total_vectors) (total_vector_slots, total_free_vector_slots): ... these removed static vars. All uses changed. (garbage_collect_1): Accept a struct gcstat *, not a void * which was not used anymore anyway. Return a bool indicating success, instead of a Lisp object. All callers changed. (garbage_collect): New function. All C callers of Fgarbage_collect changed to use it, since none of them use the return value. Now, only Lisp code uses Fgarbage_collect. (Fgarbage_collect): No longer noinline. Cons up the return value here, not in garbage_collect_1.
* DEFVAR_INT variables are now intmax_tPaul Eggert2019-02-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Formerly they were fixnums, which led to problems when dealing with values that might not fit on 32-bit platforms, such as string-chars-consed or floats_consed. 64-bit counters should be good enough for these (for a while, anyway...). While we’re at it, fix some unlikely integer overflow bugs that have been in the code for a while. * lib-src/make-docfile.c (write_globals): * src/data.c (do_symval_forwarding, store_symval_forwarding): * src/eval.c (restore_stack_limits, call_debugger): * src/frame.h (struct frame.cost_calculation_baud_rate): * src/keyboard.c (last_auto_save, bind_polling_period, read_char): * src/lisp.h (struct Lisp_Intfwd.intvar): * src/lread.c (defvar_int): * src/pdumper.c (dump_fwd_int): * src/thread.h (struct thread_state.m_lisp_eval_depth): * src/undo.c (truncate_undo_list): * src/xselect.c (wait_for_property_change) (x_get_foreign_selection): * src/xterm.c (x_emacs_to_x_modifiers): DEFVAR_INT variables now have the C type intmax_t, not EMACS_INT. * src/data.c (store_symval_forwarding): * src/gnutls.c (Fgnutls_boot): * src/keyboard.c (bind_polling_period): * src/macros.c (pop_kbd_macro, Fexecute_kbd_macro): * src/undo.c (truncate_undo_list): Allow any integer that fits into intmax_t, instead of requiring it to be a Lisp fixnum. * src/dispnew.c (update_window): * src/frame.c (x_figure_window_size): * src/gnutls.c (init_gnutls_functions) (emacs_gnutls_handle_error): * src/keyboard.c (make_lisp_event): * src/nsterm.m (ns_dumpglyphs_image): * src/profiler.c (make_log): * src/scroll.c (calculate_scrolling) (calculate_direct_scrolling): * src/termcap.c (tputs): * src/xterm.c (x_draw_image_relief): Avoid implementation-defined behavior on conversion of out-of-range integers. * src/eval.c (when_entered_debugger): Now intmax_t. (max_ensure_room): New function, that avoids signed integer overflow. (call_debugger, signal_or_quit): Use it. * src/fileio.c (Fdo_auto_save): * src/keyboard.c (make_lisp_event): * src/term.c (calculate_costs): * src/xdisp.c (build_desired_tool_bar_string) (hscroll_window_tree, try_scrolling, decode_mode_spec) (x_produce_glyphs): Avoid signed integer overflow. * src/lisp.h (clip_to_bounds): Generalize to intmax_t. * src/pdumper.c (dump_emacs_reloc_immediate_emacs_int): Remove, ... (dump_emacs_reloc_immediate_intmax_t): ... replacing with this function. All uses changed. * src/profiler.c (make_log): Omit args. All callers changed. * src/termcap.c: Include stdlib.h, for atoi. Include intprops.h. * src/window.c (sanitize_next_screen_context_lines): New function. (window_scroll_pixel_based, window_scroll_line_based): Use it to avoid signed integer overflow.
* Merge from origin/emacs-26Paul Eggert2018-12-311-1/+1
|\ | | | | | | | | | | 2fcf2df Fix copyright years by hand 26bed8b Update copyright year to 2019 2814292 Fix value of default frame height. (Bug#33921)
| * Update copyright year to 2019Paul Eggert2019-01-011-1/+1
| | | | | | | | Run 'TZ=UTC0 admin/update-copyright $(git ls-files)'.
* | Port --enable-gcc-warnings to GCC 8Paul Eggert2018-04-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * configure.ac: Do not use GCC 8’s new -Wcast-align flag. * lib-src/ebrowse.c (xmalloc): * lib-src/emacsclient.c (xmalloc, xstrdup): * lib-src/etags.c (xmalloc): * lib-src/make-docfile.c (xmalloc): * lib-src/movemail.c (xmalloc): * src/dispnew.c (new_glyph_pool): * src/regex.c (xmalloc): * src/term.c (tty_menu_create): * src/tparam.h (tparam): Use ATTRIBUTE_MALLOC. Also see GCC bug 85562. * lib-src/emacsclient.c (fail): Do not dereference a null pointer. * src/frame.c (delete_frame): Add a decl with UNINIT to work around GCC bug 85563. * src/menu.h (finish_menu_items): Do not use attribute const. * src/regex.c (analyze_first): Use FALLTHROUGH, not a comment.
* | make-docfile: minor fixes and cleanupsPaul Eggert2018-03-011-41/+54
|/ | | | | | | | | | | | | | | * lib-src/make-docfile.c: Include c-ctype.h. (read_c_string_or_comment, write_c_args, scan_c_stream, skip_white) (read_lisp_symbol, scan_lisp_file): Prefer c_isspace etc. to listing characters by hand. (read_c_string_or_comment): Simplify. (scan_c_stream, read_lisp_symbol): Use true for boolean 1. (scan_c_stream): Fix typo (c >= 'Z' && c <= 'Z'). Minor rewrites to avoid duplicate code. (scan_c_stream, read_lisp_symbol, scan_lisp_file): Avoid infloop if at EOF. (skip_white, read_lisp_symbol): Don’t stuff getc result into ‘char’, as this mishandles EOF.
* Update copyright year to 2018Paul Eggert2018-01-011-1/+1
| | | | Run admin/update-copyright.
* Use alignas to fix GCALIGN-related bugsPaul Eggert2017-11-131-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use alignas and unions to specify alignments of objects needing addresses that are at least a multiple of GCALIGNMENT. Using these standard C facilities should be safer than relying on ad hoc and poorly-understood features like GCC’s __attribute__ ((aligned (N))), the root cause for recent porting bugs like Bug#29040. The alignas macro was standardized by C11 and Gnulib supports alignas for pre-C11 platforms. I have tested this on Sun Studio 12 sparc (2007) and GCC 4.4.7 x86-64 (2012) as well as on more recent platforms like GCC 7.2.1 (2017) on Fedora 26 (both x86-64 and x86). * lib-src/make-docfile.c (close_emacs_globals): lispsym is now just an array of struct Lisp_Symbol, since struct Lisp_Symbol is now properly aligned. All uses changed. * src/alloc.c (NEXT_FREE_LISP_STRING): Just use the new u.next member; this is simpler and safer than casting a pointer that might not be aligned properly. (aligned_Lisp_Symbol): Remove. No longer needed, now that struct Lisp_Symbol is aligned properly. All uses replaced with struct Lisp_Symbol. * src/lisp.h (GCALIGNED): Remove, as it does not work as expected: it can cause the natural alignment to be ignored. All uses replaced by unions with a ‘char alignas (GCALIGNMENT)’ member as described below. (struct Lisp_Symbol, struct Lisp_Cons, struct Lisp_String): Change definition from ‘struct TAG { MEMBERS };’ to ‘struct TAG { union { struct { MEMBERS } s; char alignas (GCALIGNMENT) gcaligned; } u; };’. This guarantees ‘struct TAG’ to have an alignment that at least max (GCALIGNMENT, N) where N is its old alignment. All uses like ‘PTR->MEMBER’ changed to ‘PTR->u.s.MEMBER’; these uses were supposed to be mostly private anyway. Verify that the resulting ‘struct TAG’ is properly aligned for Emacs. (union vectorlike_header): New member ‘gcaligned’ to guarantee that this type, and its containing types like ‘struct Lisp_Subr’, ‘struct buffer’ and ‘struct thread_state’, are all properly aligned for Emacs. (struct Lisp_String): New union member ‘next’, for the benefit of NEXT_FREE_LISP_STRING. (union Aligned_Cons, union Aligned_String): Remove. All uses replaced by struct Lisp_Cons and struct Lisp_String, since they are now properly aligned. (USE_STACK_CONS, USE_STACK_STRING): Simplify now that we can assume struct Lisp_Cons and struct Lisp_String are properly aligned.
* Use GCALIGNED properly for GCCPaul Eggert2017-11-081-1/+1
| | | | | | | | | | | | | Apparently GCC requires that ‘__attribute__ ((aligned (8)))’ must immediately follow the ‘struct’ keyword when aligning a structure. The attribute silently does not work if it follows a tag after the ‘struct’ keyword. Who knew? Anyway, this patch is designed to fix a SIGSEGV problem reported by John Mastro (Bug#29183). * lib-src/make-docfile.c (close_emacs_globals): * src/buffer.c (buffer_defaults, buffer_local_symbols): * src/lisp.h (DEFUN): * src/thread.c (main_thread): Put 'GCALIGNED' immediately after 'struct'.
* Fix alignment portability problemsPaul Eggert2017-11-021-1/+1
| | | | | | | | | | | | | | | | Do not assume that the natural alignment of Lisp objects is a multiple of GCALIGNMENT. This improves on the portability of the recent fix for Bug#29040. * lib-src/make-docfile.c (close_emacs_globals): * src/buffer.c (buffer_defaults, buffer_local_symbols): * src/lisp.h (DEFUN): * src/thread.c (main_thread): Use GCALIGNED, not alignas (GCALIGNMENT). * src/alloc.c (COMMON_MULTIPLE): Move back here from lisp.h, since it is no longer used elsewhere. * src/lisp.h (GCALIGNMENT): No longer a macro, since we need not worry about MSVC. Omit no-longer-needed consistency check. * src/thread.c (THREAD_ALIGNMENT): Remove.
* Prefer HTTPS to FTP and HTTP in documentationPaul Eggert2017-09-131-1/+1
| | | | | | | | | | | | | Most of this change is to boilerplate commentary such as license URLs. This change was prompted by ftp://ftp.gnu.org's going-away party, planned for November. Change these FTP URLs to https://ftp.gnu.org instead. Make similar changes for URLs to other organizations moving away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and fsf.org when this works, as this will further help defend against man-in-the-middle attacks (for this part I omitted the MS-DOS and MS-Windows sources and the test tarballs to keep the workload down). HTTPS is not fully working to lists.gnu.org so I left those URLs alone for now.
* Improve stack-top heuristicPaul Eggert2017-08-291-2/+7
| | | | | | | | | | | | | | This is needed for gcc -Os -flto on x86-64; otherwise, GC misses part of the stack when scanning for heap roots, causing Emacs to crash later (Bug#28213). The problem is that Emacs's hack for getting an address near the stack top does not work when link-time optimization moves stack variables around. * configure.ac (HAVE___BUILTIN_FRAME_ADDRESS): New macro. * lib-src/make-docfile.c (DEFUN_noinline): New constant. (write_globals, scan_c_stream): Support noinline. * src/alloc.c (NEAR_STACK_TOP): New macro. (SET_STACK_TOP_ADDRESS): Use it. (flush_stack_call_func, Fgarbage_collect): Now noinline.
* Properly align global lispsymAndreas Schwab2017-07-251-1/+3
| | | | | | | * lib-src/make-docfile.c (close_emacs_globals): Wrap struct Lisp_Symbols inside struct. * src/alloc.c (sweep_symbols): Update use of lispsym. * src/lisp.h (builtin_lisp_symbol): Likewise.
* Use unlocked stdio more systematicallyPaul Eggert2017-06-221-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This can improve performance significantly on stdio-bottlenecked code. E.g., make-docfile is 3x faster on my Fedora 25 x86-64 desktop. * admin/merge-gnulib (GNULIB_MODULES): Add unlocked-io. * lib-src/ebrowse.c, lib-src/emacsclient.c, lib-src/etags.c: * lib-src/hexl.c, lib-src/make-docfile.c, lib-src/movemail.c: * lib-src/profile.c, lib-src/update-game-score.c: Include unlocked-io.h instead of stdio.h, since these programs are single-threaded. * lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate. * lib/unlocked-io.h, m4/unlocked-io.m4: New files, copied from Gnulib. * src/charset.c, src/cm.c, src/emacs.c, src/image.c, src/keyboard.c: * src/lread.c, src/term.c: Include sysstdio.h, possibly instead of stdio.h, to define the unlocked functions if the system does not provide them. * src/charset.c, src/lread.c (getc_unlocked): Remove, since sysstdio.h now defines it if needed. * src/cm.c (cmputc, cmcheckmagic): * src/dispnew.c (update_frame, update_frame_with_menu) (update_frame_1, Fsend_string_to_terminal, Fding, bitch_at_user): * src/emacs.c (main, Fdump_emacs): * src/fileio.c (Fdo_auto_save, Fset_binary_mode): * src/image.c (slurp_file, png_read_from_file, png_load_body) (our_stdio_fill_input_buffer): * src/keyboard.c (record_char, kbd_buffer_get_event, handle_interrupt): * src/lread.c (readbyte_from_file): * src/minibuf.c (read_minibuf_noninteractive): * src/print.c (printchar_to_stream, strout) (Fredirect_debugging_output): * src/sysdep.c (reset_sys_modes, procfs_ttyname) (procfs_get_total_memory): * src/term.c (tty_ring_bell, tty_send_additional_strings) (tty_set_terminal_modes, tty_reset_terminal_modes) (tty_update_end, tty_clear_end_of_line, tty_write_glyphs) (tty_write_glyphs_with_face, tty_insert_glyphs) (tty_menu_activate): * src/xfaces.c (Fx_load_color_file): Use unlocked stdio when it should be safe. * src/sysstdio.h (clearerr_unlocked, feof_unlocked, ferror_unlocked) (fflush_unlocked, fgets_unlocked, fputc_unlocked, fputs_unlocked) (fread_unlocked, fwrite_unlocked, getc_unlocked, getchar_unlocked) (putc_unlocked, putchar_unloced): Provide substitutes if not declared.
* No need to complicate make-docfile.c for ClangPaul Eggert2017-06-151-5/+1
| | | | | | * lib-src/make-docfile.c (put_filename): Undo recent change. The Clang false alarm occurs only with CFLAGS=-save-temps and we needn’t worry about pacifying unusual compiler configurations.
* Silence two Clang warnings by introducing additional local variablesPhilipp Stephani2017-06-131-1/+5
| | | | | | * lib/strftime.c (libc_hidden_def): * lib-src/make-docfile.c (put_filename): Introduce local variables to silence Clang warnings.
* Fix buffer overflow in make-docfilePaul Eggert2017-04-291-13/+3
| | | | | | * lib-src/make-docfile.c (scan_c_stream): Check for buffer overflow when reading an identifier. Use a static buffer for NAME rather than a small dynamically-allocated buffer.
* Merge from origin/emacs-25Paul Eggert2017-01-011-1/+1
|\ | | | | | | | | 2e2a806 Fix copyright years by hand 5badc81 Update copyright year to 2017
| * Update copyright year to 2017Paul Eggert2016-12-311-1/+1
| | | | | | | | Run admin/update-copyright.
* | Limit <config.h>’s includesPaul Eggert2016-09-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This follows up on recent problems with the fact that config.h includes stdlib.h etc.; some files need to include stdlib.h later. config.h generally should limit itself to includes that are universally safe; outside of MS-Windows, only stdbool.h makes the cut among the files currently included. So, move the other includes to just the files that need them (Bug#24506). * configure.ac (config_opsysfile): Remove, as this generic hook is no longer needed. * lib-src/etags.c, src/unexmacosx.c, src/w32.c, src/w32notify.c: * src/w32proc.c (_GNU_SOURCE): Remove, as it’s OK for config.h to do this now. * src/conf_post.h: Include <ms-w32.h>, instead of the generic config_opsysfile, for simplicity as this old way of configuring is now done only for the MS-Windows port. Do not include <ms-w32.h> if DEFER_MS_W32_H, for the benefit of the few files that want its effects later. Do not include <alloca.h>, <string.h>, or <stdlib.h>. Other files modified to include these headers as needed, or to not include headers that are no longer needed. * src/lisp.h: Include <alloca.h> and <string.h> here, since some of the inline functions need them. * src/regex.c: Include <alloca.h> if not emacs. (If emacs, we can rely on SAFE_ALLOCA.) There is no longer any need to worry about HAVE_ALLOCA_H. * src/unexmacosx.c: Rely on config.h not including stdlib.h. * src/w32.c, src/w32notify.c, src/w32proc.c (DEFER_MS_W32_H): Define before including <config.h> first, and include <ms-w32.h> after the troublesome headers.
* | Replace IF_LINT by NONVOLATILE and UNINITPaul Eggert2016-06-081-1/+1
|/ | | | | | | Inspired by a suggestion from RMS in: http://bugs.gnu.org/23640#58 * .dir-locals.el (c-mode): Adjust to macro changes. * src/conf_post.h (NONVOLATILE, UNINIT): New macros (Bug#23640). (IF_LINT): Remove. All uses replaced by the new macros.
* Rework C source files to avoid ^(Paul Eggert2016-03-101-2/+2
| | | | | | | | Work around Bug#22884 by rewording comments and strings to avoid ‘(’ at the start of a line unless it starts a function. This change is a short-term hack; in the longer run we plan to fix cc-mode’s performance for C files that have ‘(’ at the start of a line in a comment or string.
* * lib-src/make-docfile.c: Include stdarg.h.Paul Eggert2016-02-111-0/+1
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* make-docfile cleanup for I/O, etc.Paul Eggert2016-02-101-90/+110
| | | | | | | | | | | | | | | | | | | | | * lib-src/make-docfile.c (progname, generate_globals, num_globals) (num_globals_allocated, globals): Now static. (generate_globals, struct rcsoc_state, read_c_string_or_comment): (write_c_args, scan_c_stream, search_lisp_doc_at_eol, scan_lisp_file): Use bool for boolean. (verror): New function. (fatal, error): Use it. API is now like printf. All callers changed. (main): Remove err_count local that was always 0. (main, scan_c_stream, scan_lisp_file): Check for I/O error. (scan_file, scan_c_file, scan_c_stream, scan_lisp_file): Return void, not 0. (put_char, scan_keyword_or_put_char, scan_c_file): Use char for byte. (scan_keyword_or_put_char): Check for missing ( and unexpected EOF. (close_emacs_globals): Use ptrdiff_t for index, not int. (scan_c_file, scan_lisp_file): Exit with failure if file cannot be opened, rather than diagnosing but exiting with status 0. (search_lisp_doc_at_eol): Don't worry about ungetc of EOF; it's portable now.
* Memory-management cleanup in make-docfilePaul Eggert2016-02-101-57/+75
| | | | | | | | | | | | | | | | | | | | | | I compiled it with -fsanitize=address and fixed the leaks it detected. Also, I changed it to prefer signed to unsigned integer types, and to check for integer overflow. * lib-src/make-docfile.c: Include <stddef.h>, <stdint.h>, <intprops.h>, <min-max.h>. (memory_exhausted): New function. (xmalloc, xrealloc): Use it. (xmalloc, xrealloc, scan_file, struct rcsoc_state, write_c_args) (uncompiled, scan_lisp_file): Prefer signed integer types to unsigned. (xstrdup): Remove. All uses removed. (num_globals, num_globals_allocated, write_globals, scan_c_stream): Use ptrdiff_t, not int, for indexes that in theory could exceed INT_MAX. (add_global): Use const to pacify --enable-gcc-warnings. Make a copy here, rather than relying on strdup calls later. (add_global, write_globals, scan_c_stream): Avoid integer overflow when calculating sizes. (write_globals, scan_c_stream, scan_lisp_file): Avoid memory leak. (scan_c_stream): Check for add_global failure.
* Update copyright year to 2016Paul Eggert2016-01-011-1/+1
| | | | Run admin/update-copyright.
* Use straight quotes in lib-src diagnosticsPaul Eggert2015-08-271-2/+2
| | | | | | | | | | | | | | | These auxiliary programs can’t use Emacs’s text-quoting-style, and it’s too much trouble to redo that mechanism by hand. So just use straight quotes for now. * lib-src/ebrowse.c (main): * lib-src/emacsclient.c (decode_options, main): * lib-src/etags.c (Ada_help, default_C_help, Cplusplus_help) (Forth_help, HTML_help, Lisp_help, Makefile_help, Objc_help) (Perl_help, PHP_help, Python_help, Scheme_help, TeX_help, auto_help) (none_help, print_language_names, print_help, add_regex) (suggest_asking_for_help): * lib-src/make-docfile.c (write_c_args, scan_c_stream): Use straight quotes in diagnostics.
* Spelling fixesPaul Eggert2015-02-211-1/+1
| | | | | | | | * lisp/cedet/semantic/doc.el (semantic-documentation-comment-preceding-tag): Rename from semantic-documentation-comment-preceeding-tag. All uses changed. Leave an obsolete alias behind. * src/lisp.h (DEFINE_NON_NIL_Q_SYMBOL_MACROS): Rename from DEFINE_NONNIL_Q_SYMBOL_MACROS. All uses changed.
* Better support for future pluginsPaul Eggert2015-02-121-13/+14
| | | | | | | | | | | | See the thread containing: http://lists.gnu.org/archive/html/emacs-devel/2015-02/msg00720.html * lib-src/make-docfile.c (write_globals): Generate code that #defines Qxxx macros other than Qnil only if DEFINE_NONNIL_Q_SYMBOL_MACROS. Qnil is safe to define even in plugins, since it must be zero for other reasons. * src/lisp.h (DEFINE_LISP_SYMBOL): New macro, replacing and simplifying DEFINE_LISP_SYMBOL_BEGIN / DEFINE_LISP_SYMBOL_END. All uses changed. (DEFINE_NONNIL_Q_SYMBOL_MACROS): New macro, defaulting to true.
* Give up on -Wsuggest-attribute=constPaul Eggert2015-01-151-12/+0
| | | | | | | | | | | | | | | | The attribute doesn't help performance significantly, and the warning seems to be more trouble than it's worth. See the thread at: http://lists.gnu.org/archive/html/emacs-devel/2015-01/msg00361.html * configure.ac (WERROR_CFLAGS): Don't use -Wsuggest-attribute=const. * lib-src/make-docfile.c (write_globals): Remove special hack for Fnext_read_file_uses_dialog_p. * src/decompress.c (Fzlib_available_p): * src/gnutls.c (Fgnutls_available_p): * src/gtkutil.h (xg_uses_old_file_dialog): * src/xdisp.c (Ftool_bar_height): * src/xmenu.c (popup_activated): No longer const, since it's not const on at lest some configurations, and we shouldn't lie to the compiler.
* Don't say Fnext_read_file_uses_dialog_p is constPaul Eggert2015-01-131-0/+12
| | | | | | | | | | | | | | It's const only if a windowing system is not used; don't say it's const otherwise. See: http://lists.gnu.org/archive/html/emacs-devel/2015-01/msg00310.html * lib-src/make-docfile.c (write_globals): Add a special hack for Fnext_read_file_uses_dialog_p. * src/fileio.c (next_read_file_uses_dialog_p): Remove. Move guts back to ... (Fnext_read_file_uses_dialog_p): ... here. Don't declare as const, as make-docfile.c now has a special case for this function. This is an ugly hack, but it's better than lying to the compiler.
* Support const and noreturn DEFUN attributes.Dmitry Antipov2015-01-131-39/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | * lib-src/make-docfile.c (struct global): New field 'flags'. (DEFUN_noreturn, DEFUN_const): New enum bitfields. (add_global): Now return pointer to global. (write_globals): Add _Noreturn and ATTRIBUTE_CONST attributes if requested by global's flags. (stream_match): New function. (scan_c_stream): Recognize 'attributes:' of DEFUN. * src/callint.c (Finteractive): * src/character.c (Fcharacterp, Fmax_char): * src.data.c (Feq, Fnull, Fconsp, Fatom, Flistp, Fnlistp, Fsymbolp) (Fstringp, Fchar_or_string_p, Fintegerp, Fnatnump, Fnumberp) (Ffloatp, Fbyteorder): * src/decompress.c (Fzlib_available_p): * src/fns.c (Fidentity): * src/frame.c (Fframe_windows_min_size): * src/gnutls.c (Fgnutls_error_p, Fgnutls_available_p): * src/window.c (Fwindow__sanitize_window_sizes): * src/xdisp.c (Ftool_bar_height): * src/xfaces.c (Fface_attribute_relative_p): Add const attribute. * src/emacs.c (Fkill_emacs): * src/eval.c (Fthrow): * src/keyboard.c (Ftop_level, Fexit_recursive_edit) (Fabor_recursive_edit): Add noreturn attribute.
* Port to 32-bit --with-wide-intPaul Eggert2015-01-101-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | Prefer symbol indexes to struct Lisp_Symbol * casted and then widened, as the latter had trouble with GCC on Fedora 21 when configured --with-wide-int and when used in static initializers. * lib-src/make-docfile.c (write_globals): Define and use symbols like iQnil (a small integer, like 0) rather than aQnil (an address constant). * src/alloc.c (garbage_collect_1, which_symbols): * src/lread.c (init_obarray): Prefer builtin_lisp_symbol when it can be used. * src/dispextern.h (struct image_type.type): * src/font.c (font_property_table.key): * src/frame.c (struct frame_parm_table.sym): * src/keyboard.c (scroll_bar_parts, struct event_head): * src/xdisp.c (struct props.name): Use the index of a builtin symbol rather than its address. All uses changed. * src/lisp.h (TAG_SYMPTR, XSYMBOL_INIT): Remove, replacing with ... (TAG_SYMOFFSET, SYMBOL_INDEX): ... new macros that deal with symbol indexes rather than pointers, and which work better on MSB hosts because they shift right before tagging. All uses changed. (DEFINE_LISP_SYMBOL_BEGIN, DEFINE_LISP_SYMBOL_END): No longer noops on wide-int hosts, since they work now. (builtin_lisp_symbol): New function.
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