X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/0ae6bdee0085b05028108325b0a4ce979eadb24e..da908fa9a718745d426af0f69f88324b3023b7e4:/src/ChangeLog diff --git a/src/ChangeLog b/src/ChangeLog index 5518531bea..857600fda0 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,4 +1,291 @@ -2011-05-21 Paul Eggert +2011-06-03 Paul Eggert + + Fix doc for machines with wider system times such as time_t. + On such machines, it's now safe to assume that EMACS_INT is as + wide as the system times, so that shifting right by 16 will + result in an integer that always fits in EMACS_INT. + * dired.c (Ffile_attributes): Document large inode number handling. + * termhooks.h: Fix comment for large time stamp handling. + + * lisp.h (WIDE_EMACS_INT): Now defaults to 1. + + * xselect.c: Use 'unsigned' more consistently. + (selection_data_to_lisp_data, lisp_data_to_selection_data): + Use 'unsigned' consistently when computing sizes of unsigned objects. + + * fileio.c (Fverify_visited_file_modtime): Avoid time overflow + if b->modtime has its maximal value. + + * dired.c (Ffile_attributes): Don't assume EMACS_INT has >32 bits. + + * lisp.h: Include , as it'll useful in later changes. + * character.c, data.c, editfns.c, insdel.c, intervals.c: + Don't include , since lisp.h does. + + Don't assume time_t can fit into int. + * buffer.h (struct buffer.modtime): Now time_t, not int. + * fileio.c (Fvisited_file_modtime): No need for time_t cast now. + * undo.c (Fprimitive_undo): Use time_t, not int, for time_t value. + + Minor fixes for signed vs unsigned integers. + * character.h (MAYBE_UNIFY_CHAR): + * charset.c (maybe_unify_char): + * keyboard.c (read_char, reorder_modifiers): + XINT -> XFASTINT, since the integer must be nonnegative. + * ftfont.c (ftfont_spec_pattern): + * keymap.c (access_keymap, silly_event_symbol_error): + XUINT -> XFASTINT, since the integer must be nonnegative. + (Fsingle_key_description, preferred_sequence_p): XUINT -> XINT, + since it makes no difference and we prefer signed. + * keyboard.c (record_char): Use XUINT when all the neighbors do. + (access_keymap): NATNUMP -> INTEGERP, since the integer must be + nonnegative. + +2011-06-02 Paul Eggert + + Malloc failure behavior now depends on size of allocation. + * alloc.c (buffer_memory_full, memory_full): New arg NBYTES. + * lisp.h: Change signatures accordingly. + * alloc.c, buffer.c, editfns.c, menu.c, minibuf.c, xterm.c: + All callers changed. (Bug#8762) + + * gnutls.c: Use Emacs's memory allocators. + Without this change, the gnutls library would invoke malloc etc. + directly, which causes problems on non-SYNC_INPUT hosts, and which + runs afoul of improving memory_full behavior. (Bug#8761) + (fn_gnutls_global_set_mem_functions): New macro or function pointer. + (emacs_gnutls_global_init): Use it to specify xmalloc, xrealloc, + xfree instead of the default malloc, realloc, free. + (Fgnutls_boot): No need to check for memory allocation failure, + since xmalloc does that for us. + + Remove arbitrary limit of 2**31 entries in hash tables. (Bug#8771) + * category.c (hash_get_category_set): + * ccl.c (ccl_driver): + * charset.c (Fdefine_charset_internal): + * charset.h (struct charset.hash_index): + * composite.c (get_composition_id, gstring_lookup_cache) + (composition_gstring_put_cache): + * composite.h (struct composition.hash_index): + * dispextern.h (struct image.hash): + * fns.c (next_almost_prime, larger_vector, cmpfn_eql) + (cmpfn_equal, cmpfn_user_defined, hashfn_eq, hashfn_eql) + (hashfn_equal, hashfn_user_defined, make_hash_table) + (maybe_resize_hash_table, hash_lookup, hash_put) + (hash_remove_from_table, hash_clear, sweep_weak_table, SXHASH_COMBINE) + (sxhash_string, sxhash_list, sxhash_vector, sxhash_bool_vector) + (Fsxhash, Fgethash, Fputhash, Fmaphash): + * image.c (make_image, search_image_cache, lookup_image) + (xpm_put_color_table_h): + * lisp.h (struct Lisp_Hash_Table): + * minibuf.c (Ftry_completion, Fall_completions, Ftest_completion): + * print.c (print): Use 'EMACS_UINT' and 'EMACS_INT' + for hashes and hash indexes, instead of 'unsigned' and 'int'. + * alloc.c (allocate_vectorlike): + Check for overflow in vector size calculations. + * ccl.c (ccl_driver): + Check for overflow when converting EMACS_INT to int. + * fns.c, image.c: Remove unnecessary static decls that would otherwise + need to be updated by these changes. + * fns.c (make_hash_table, maybe_resize_hash_table): + Check for integer overflow with large hash tables. + (make_hash_table, maybe_resize_hash_table, Fmake_hash_table): + Prefer the faster XFLOAT_DATA to XFLOATINT where either will do. + (SXHASH_REDUCE): New macro. + (sxhash_string, sxhash_list, sxhash_vector, sxhash_bool_vector): + Use it instead of discarding useful hash info with large hash values. + (sxhash_float): New function. + (sxhash): Use it. No more need for "& INTMASK" due to above changes. + * lisp.h (FIXNUM_BITS): New macro, useful for SXHASH_REDUCE etc. + (MOST_NEGATIVE_FIXNUM, MOST_POSITIVE_FIXNUM, INTMASK): + Rewrite to use FIXNUM_BITS, as this simplifies things. + (next_almost_prime, larger_vector, sxhash, hash_lookup, hash_put): + Adjust signatures to match updated version of code. + (consing_since_gc): Now EMACS_INT, since a single hash table can + use more than INT_MAX bytes. + +2011-06-01 Dan Nicolaescu + + Make it possible to build with GCC-4.6+ -O2 -flto. + + * emacs.c (__malloc_initialize_hook): Mark as EXTERNALLY_VISIBLE. + +2011-06-01 Stefan Monnier + + * minibuf.c (get_minibuffer, read_minibuf_unwind): + Call minibuffer-inactive-mode. + +2011-05-31 Juanma Barranquero + + * makefile.w32-in ($(BLD)/data.$(O), $(BLD)/editfns.$(O)): + Update dependencies. + +2011-05-31 Dan Nicolaescu + + * data.c (init_data): Remove code for UTS, this system is not + supported anymore. + +2011-05-31 Dan Nicolaescu + + Don't force ./temacs to start in terminal mode. + + * frame.c (make_initial_frame): Initialize faces in all cases, not + only when CANNOT_DUMP is defined. + * dispnew.c (init_display): Remove CANNOT_DUMP condition. + +2011-05-31 Dan Nicolaescu + + * dispnew.c (add_window_display_history): Use const for the string + pointer. Remove declaration, not needed. + +2011-05-31 Paul Eggert + + Use 'inline', not 'INLINE'. + + * alloc.c, fontset.c (INLINE): Remove. + * alloc.c, bidi.c, charset.c, coding.c, dispnew.c, fns.c, image.c: + * intervals.c, keyboard.c, process.c, syntax.c, textprop.c, w32term.c: + * xdisp.c, xfaces.c, xterm.c: Replace all uses of INLINE with inline. + * gmalloc.c (register_heapinfo): Use inline unconditionally. + * lisp.h (LISP_MAKE_RVALUE): Use inline, not __inline__. + +2011-05-31 Dan Nicolaescu + + Make it possible to run ./temacs. + + * callproc.c (set_initial_environment): Remove CANNOT_DUMP code, + syms_of_callproc does the same thing. Remove test for + "initialized", do it in the caller. + * emacs.c (main): Avoid calling set_initial_environment when dumping. + +2011-05-31 Stefan Monnier + + * minibuf.c (Finternal_complete_buffer): Return `category' metadata. + (read_minibuf): Use get_minibuffer. + (syms_of_minibuf): Use DEFSYM. + (Qmetadata): New var. + * data.c (Qbuffer): Don't make it static. + (syms_of_data): Use DEFSYM. + +2011-05-31 Paul Eggert + + * ccl.c (CCL_CODE_RANGE): Allow negative numbers. (Bug#8751) + (CCL_CODE_MIN): New macro. + +2011-05-30 Paul Eggert + + * alloc.c (lisp_align_malloc): Omit unnecessary val==NULL tests. + + * eval.c (Qdebug): Now static. + * lisp.h (Qdebug): Remove decl. This reverts a part of the + 2011-04-26T11:26:05Z!dan.colascione@gmail.com that inadvertently undid part of + 2011-04-14T06:48:41Z!eggert@cs.ucla.edu. + +2011-05-29 Chong Yidong + + * image.c: Various fixes to ImageMagick code comments. + (Fimagemagick_types): Doc fix. + +2011-05-29 Paul Eggert + + Minor fixes prompted by GCC 4.6.0 warnings. + + * xselect.c (converted_selections, conversion_fail_tag): Now static. + + * emacs.c [HAVE_X_WINDOWS]: Include "xterm.h". + (x_clipboard_manager_save_all): Move extern decl to ... + * xterm.h: ... here, so that it can be checked for consistency. + +2011-05-29 Chong Yidong + + * xselect.c (x_clipboard_manager_save_frame) + (x_clipboard_manager_save_all): New functions. + (Fx_clipboard_manager_save): Lisp function deleted. + + * emacs.c (Fkill_emacs): Call x_clipboard_manager_save_all. + * frame.c (delete_frame): Call x_clipboard_manager_save_frame. + + * xterm.h: Update prototype. + +2011-05-28 William Xu + + * nsterm.m (ns_term_shutdown): Synchronize user defaults before + exiting (Bug#8239). + +2011-05-28 Jim Meyering + + Avoid a sign-extension bug in crypto_hash_function. + * fns.c (to_uchar): Define. + (crypto_hash_function): Use it to convert some newly-signed + variables to unsigned, to avoid sign-extension bugs. For example, + without this change, (md5 "truc") would evaluate to + 45723a2aff78ff4fff7fff1114760e62 rather than the expected + 45723a2af3788c4ff17f8d1114760e62. Reported by Antoine Levitt in + https://lists.gnu.org/archive/html/emacs-devel/2011-05/msg00883.html. + +2011-05-27 Paul Eggert + + Integer overflow fixes. + + * dbusbind.c: Serial number integer overflow fixes. + (CHECK_DBUS_SERIAL_GET_SERIAL): New macro. + (Fdbus_call_method_asynchronously, xd_read_message_1): Use a float + to hold a serial number that is too large for a fixnum. + (Fdbus_method_return_internal, Fdbus_method_error_internal): + Check for serial numbers out of range. Decode any serial number + that was so large that it became a float. (Bug#8722) + + * dbusbind.c: Use XFASTINT rather than XUINT, and check for nonneg. + (Fdbus_call_method, Fdbus_call_method_asynchronously): + Use XFASTINT rather than XUINT when numbers are nonnegative. + (xd_append_arg, Fdbus_method_return_internal): + (Fdbus_method_error_internal): Likewise. Also, for unsigned + arguments, check that Lisp number is nonnegative, rather than + silently wrapping negative numbers around. (Bug#8722) + (xd_read_message_1): Don't assume dbus_uint32_t can fit in int. + (Bug#8722) + + * data.c (arith_driver, Flsh): Avoid unnecessary casts to EMACS_UINT. + + * ccl.c (ccl_driver): Redo slightly to avoid the need for 'unsigned'. + + ccl: add integer overflow checks + * ccl.c (CCL_CODE_MAX, GET_CCL_RANGE, GET_CCL_CODE, GET_CCL_INT): + (IN_INT_RANGE): New macros. + (ccl_driver): Use them to check for integer overflow when + decoding a CCL program. Many of the new checks are whether XINT (x) + fits in int; it doesn't always, on 64-bit hosts. The new version + doesn't catch all possible integer overflows, but it's an + improvement. (Bug#8719) + + * alloc.c (make_event_array): Use XINT, not XUINT. + There's no need for unsigned here. + + * mem-limits.h (EXCEEDS_LISP_PTR) [!USE_LSB_TAG]: EMACS_UINT -> uintptr_t + This follows up to the 2011-05-06 change that substituted uintptr_t + for EMACS_INT. This case wasn't caught back then. + + Rework Fformat to avoid integer overflow issues. + * editfns.c: Include unconditionally, as it's everywhere + now (part of C89). Include . + (MAX_10_EXP, CONVERTED_BYTE_SIZE): Remove; no longer needed. + (pWIDE, pWIDElen, signed_wide, unsigned_wide): New defns. + (Fformat): Avoid the prepass trying to compute sizes; it was only + approximate and thus did not catch overflow reliably. Instead, walk + through the format just once, formatting and computing sizes as we go, + checking for integer overflow at every step, and allocating a larger + buffer as needed. Keep track separately whether the format is + multibyte. Keep only the most-recently calculated precision, rather + than them all. Record whether each argument has been converted to + string. Use EMACS_INT, not int, for byte and char and arg counts. + Support field widths and precisions larger than INT_MAX. Avoid + sprintf's undefined behavior with conversion specifications such as %#d + and %.0c. Fix bug with strchr succeeding on '\0' when looking for + flags. Fix bug with (format "%c" 256.0). Avoid integer overflow when + formatting out-of-range floating point numbers with int + formats. (Bug#8668) + + * lisp.h (FIXNUM_OVERFLOW_P): Work even if arg is a NaN. * data.c: Avoid integer truncation in expressions involving floats. * data.c: Include . @@ -9,17 +296,145 @@ most-negative-fixnum 0.5) should yield about -4.6e+18, not zero. Do not rely on undefined behavior after integer overflow. -2011-05-20 Paul Eggert - merge count_size_as_multibyte, parse_str_to_multibyte * character.c, character.h (count_size_as_multibyte): - Renamed from parse_str_to_multibyte; all uses changed. + Rename from parse_str_to_multibyte; all uses changed. Check for integer overflow. * insdel.c, lisp.h (count_size_as_multibyte): Remove, since it's now a duplicate of the other. This is more of a character than a buffer op, so better that it's in character.c. * fns.c, print.c: Adjust to above changes. +2011-05-27 Stefan Monnier + + * xselect.c (x_convert_selection): Yet another int/Lisp_Object mixup. + +2011-05-27 Paul Eggert + + * xselect.c: Fix minor problems prompted by GCC 4.6.0 warnings. + (x_handle_selection_request, frame_for_x_selection): Remove unused vars. + (x_clipboard_manager_save): Now static. + (Fx_clipboard_manager_save): Rename local to avoid shadowing. + + * fns.c: Fix minor problems prompted by GCC 4.6.0 warnings. + (crypto_hash_function): Now static. + Fix pointer signedness problems. Avoid unnecessary initializations. + +2011-05-27 Chong Yidong + + * termhooks.h (Vselection_alist): Make it terminal-local. + + * terminal.c (create_terminal): Initialize it. + + * xselect.c: Support for clipboard managers. + (Vselection_alist): Move to termhooks.h as terminal-local var. + (LOCAL_SELECTION): New macro. + (x_atom_to_symbol): Handle x_display_info_for_display fail case. + (symbol_to_x_atom): Remove gratuitous arg. + (x_handle_selection_request, lisp_data_to_selection_data) + (x_get_foreign_selection, Fx_register_dnd_atom): Callers changed. + (x_own_selection, x_get_local_selection, x_convert_selection): + New arg, specifying work frame. Use terminal-local Vselection_alist. + (some_frame_on_display): Delete unused function. + (Fx_own_selection_internal, Fx_get_selection_internal) + (Fx_disown_selection_internal, Fx_selection_owner_p) + (Fx_selection_exists_p): New optional frame arg. + (frame_for_x_selection, Fx_clipboard_manager_save): New functions. + (x_handle_selection_clear): Don't treat other terminals with the + same keyboard specially. Use the terminal-local Vselection_alist. + (x_clear_frame_selections): Use Frun_hook_with_args. + + * xterm.c (x_term_init): Intern ATOM and CLIPBOARD_MANAGER atoms. + + * xterm.h: Add support for those atoms. + +2011-05-26 Chong Yidong + + * xselect.c: ICCCM-compliant handling of MULTIPLE targets. + (converted_selections, conversion_fail_tag): New global variables. + (x_selection_request_lisp_error): Free the above. + (x_get_local_selection): Remove unnecessary code. + (x_reply_selection_request): Args changed; handle arbitrary array + of converted selections stored in converted_selections. + Separate the XChangeProperty and SelectionNotify steps. + (x_handle_selection_request): Rewrite to handle MULTIPLE target. + (x_convert_selection): New function. + (x_handle_selection_event): Simplify. + (x_get_foreign_selection): Don't ignore incoming requests while + waiting for an answer; this will fail when we implement + SAVE_TARGETS, and seems unnecessary anyway. + (selection_data_to_lisp_data): Recognize ATOM_PAIR type. + (Vx_sent_selection_functions): Doc fix. + +2011-05-26 Leo Liu + + * editfns.c (Ftranspose_regions): Allow empty regions. (Bug#8699) + +2011-05-25 YAMAMOTO Mitsuharu + + * dispextern.h (struct glyph_row): New member fringe_bitmap_periodic_p. + + * dispnew.c (shift_glyph_matrix, scrolling_window): Mark scrolled row + for fringe update if it has periodic bitmap. + (row_equal_p): Also compare left_fringe_offset, right_fringe_offset, + and fringe_bitmap_periodic_p. + + * fringe.c (get_fringe_bitmap_data): New function. + (draw_fringe_bitmap_1, update_window_fringes): Use it. + (update_window_fringes): Record periodicity of fringe bitmap in glyph + row. Mark glyph row for fringe update if periodicity changed. + + * xdisp.c (try_window_reusing_current_matrix): Don't mark scrolled row + for fringe update unless it has periodic bitmap. + +2011-05-25 Kenichi Handa + + * xdisp.c (get_next_display_element): Set correct it->face_id for + a static composition. + +2011-05-24 Leo Liu + + * deps.mk (fns.o): + * makefile.w32-in ($(BLD)/fns.$(O)): Include sha1.h. + + * fns.c (crypto_hash_function, Fsha1): New function. + (Fmd5): Use crypto_hash_function. + (syms_of_fns): Add Ssha1. + +2011-05-22 Paul Eggert + + * gnutls.c: Remove unused macros. + (fn_gnutls_transport_set_lowat, fn_gnutls_transport_set_pull_function): + (fn_gnutls_transport_set_push_function) [!WINDOWSNT]: + Remove macros that are defined and never used. + Caught by gcc -Wunused-macros (GCC 4.6.0, Fedora 14). + +2011-05-22 Chong Yidong + + * xselect.c (syms_of_xselect): Remove unused symbol SAVE_TARGETS. + (Fx_get_selection_internal): Minor cleanup. + (Fx_own_selection_internal): Rename arguments for consistency with + select.el. + +2011-05-22 Paul Eggert + + * xselect.c (QSAVE_TARGETS): New static var, to fix build failure. + +2011-05-22 Chong Yidong + + * xselect.c (syms_of_xselect): Include character.h; use DEFSYM. + +2011-05-21 YAMAMOTO Mitsuharu + + * dispnew.c (scrolling_window): Don't exclude the case that the + last enabled row in the desired matrix touches the bottom boundary. + +2011-05-21 Glenn Morris + + * Makefile.in ($(etc)/DOC): Make second command line even shorter. + (SOME_MACHINE_OBJECTS): Replace FONT_OBJ by its maximal expansion, + and add some more files. + 2011-05-20 Eli Zaretskii * callproc.c (Fcall_process) [MSDOS]: Fix arguments to @@ -105,8 +520,8 @@ Be more systematic about user-interface timestamps. Before, the code sometimes used 'Time', sometimes 'unsigned long', - and sometimes 'EMACS_UINT', to represent these timestamps. This - change causes it to use 'Time' uniformly, as that's what X uses. + and sometimes 'EMACS_UINT', to represent these timestamps. + This change causes it to use 'Time' uniformly, as that's what X uses. This makes the code easier to follow, and makes it easier to catch integer overflow bugs such as Bug#8664. * frame.c (Fmouse_position, Fmouse_pixel_position):