+2011-06-09 Paul Eggert <eggert@cs.ucla.edu>
+
+ * buffer.h (PTR_BYTE_POS): Don't assume a byte count fits in 'unsigned'.
+
+ * buffer.c (Fgenerate_new_buffer_name): Use EMACS_INT for count, not int.
+ (advance_to_char_boundary): Return EMACS_INT, not int.
+
+ * data.c (Qcompiled_function): Now static.
+
+2011-06-08 Paul Eggert <eggert@cs.ucla.edu>
+
+ * window.c (window_body_lines): Now static.
+
+ * image.c (gif_load): Rename local to avoid shadowing.
+
+ * lisp.h (SAFE_ALLOCA_LISP): Check for integer overflow.
+ (struct Lisp_Save_Value): Use ptrdiff_t, not int, for 'integer' member.
+ * alloc.c (make_save_value): Integer argument is now of type
+ ptrdiff_t, not int.
+ (mark_object): Use ptrdiff_t, not int.
+ * lisp.h (pD): New macro.
+ * print.c (print_object): Use it.
+
+ * alloc.c: Use EMACS_INT, not int, to count objects.
+ (total_conses, total_markers, total_symbols, total_vector_size)
+ (total_free_conses, total_free_markers, total_free_symbols)
+ (total_free_floats, total_floats, total_free_intervals, total_intervals)
+ (total_strings, total_free_strings):
+ Now EMACS_INT, not int. All uses changed.
+ (Fgarbage_collect): Compute overall total using a double, so that
+ integer overflow is less likely to be a problem. Check for overflow
+ when converting back to an integer.
+ (n_interval_blocks, n_string_blocks, n_float_blocks, n_cons_blocks)
+ (n_vectors, n_symbol_blocks, n_marker_blocks): Remove.
+ These were 'int' variables that could overflow on 64-bit hosts;
+ they were never used, so remove them instead of repairing them.
+ (nzombies, ngcs, max_live, max_zombies): Now EMACS_INT, not 'int'.
+ (inhibit_garbage_collection): Set gc_cons_threshold to max value.
+ Previously, this ceilinged at INT_MAX, but that doesn't work on
+ 64-bit machines.
+ (allocate_pseudovector): Don't use EMACS_INT when int would do.
+
+ * alloc.c (Fmake_bool_vector): Don't assume vector size fits in int.
+ (allocate_vectorlike): Check for ptrdiff_t overflow.
+ (mark_vectorlike, mark_char_table, mark_object): Avoid EMACS_UINT
+ when a (possibly-narrower) signed value would do just as well.
+ We prefer using signed arithmetic, to avoid comparison confusion.
+
+ * alloc.c: Catch some string size overflows that we were missing.
+ (XMALLOC_OVERRUN_CHECK_SIZE) [!XMALLOC_OVERRUN_CHECK]: Define to 0,
+ for convenience in STRING_BYTES_MAX.
+ (STRING_BYTES_MAX): New macro, superseding the old one in lisp.h.
+ The definition here is exact; the one in lisp.h was approximate.
+ (allocate_string_data): Check for string overflow. This catches
+ some instances we weren't catching before. Also, it catches
+ size_t overflow on (unusual) hosts where SIZE_MAX <= min
+ (PTRDIFF_MAX, MOST_POSITIVE_FIXNUM), e.g., when size_t is 32 bits
+ and ptrdiff_t and EMACS_INT are both 64 bits.
+
+ * character.c, coding.c, doprnt.c, editfns.c, eval.c:
+ All uses of STRING_BYTES_MAX replaced by STRING_BYTES_BOUND.
+ * lisp.h (STRING_BYTES_BOUND): Renamed from STRING_BYTES_MAX.
+
+ * character.c (string_escape_byte8): Fix nbytes/nchars typo.
+
+ * alloc.c (Fmake_string): Check for out-of-range init.
+
+2011-06-08 Martin Rudalics <rudalics@gmx.at>
+
+ * window.h (window): Add some new members to window structure -
+ normal_lines, normal_cols, new_total, new_normal, clone_number,
+ splits, nest, prev_buffers, next_buffers.
+ (WINDOW_TOTAL_SIZE): Move here from window.c.
+ (MIN_SAFE_WINDOW_WIDTH, MIN_SAFE_WINDOW_HEIGHT): Define here.
+
+ * window.c (Fwindow_height, Fwindow_width, Fwindow_full_width_p):
+ Remove.
+ (make_dummy_parent): Set new members of windows structure.
+ (make_window): Move down in code. Handle new members of window
+ structure.
+ (Fwindow_clone_number, Fwindow_splits, Fset_window_splits)
+ (Fwindow_nest, Fset_window_nest, Fwindow_new_total)
+ (Fwindow_normal_size, Fwindow_new_normal, Fwindow_prev_buffers)
+ (Fset_window_prev_buffers, Fwindow_next_buffers)
+ (Fset_window_next_buffers, Fset_window_clone_number): New
+ functions.
+ (Fwindow_hscroll, Fwindow_at, Fwindow_point, Fwindow_start)
+ (Fwindow_end, Fwindow_line_height, Fset_window_dedicated_p):
+ Doc-string fixes.
+ (Fwindow_parameters, Fwindow_parameter, Fset_window_parameter):
+ Argument WINDOW can be now internal window too.
+ (Fwindow_use_time): Move up in code.
+ (Fget_buffer_window): Rename argument FRAME to ALL-FRAMES.
+ Rewrite doc-string.
+ (Fset_window_configuration, saved_window)
+ (Fcurrent_window_configuration, save_window_save): Handle new
+ members of window structure.
+ (WINDOW_TOTAL_SIZE, MIN_SAFE_WINDOW_WIDTH)
+ (MIN_SAFE_WINDOW_HEIGHT): Move to window.h.
+ (syms_of_window): New Lisp objects Qrecord_window_buffer,
+ Qwindow_deletable_p, Qdelete_window, Qreplace_buffer_in_windows,
+ Qget_mru_window, Qresize_root_window,
+ Qresize_root_window_vertically, Qsafe, Qabove, Qbelow,
+ Qauto_buffer_name; staticpro them.
+
+2011-06-07 Martin Rudalics <rudalics@gmx.at>
+
+ * window.c (Fwindow_total_size, Fwindow_left_column)
+ (Fwindow_top_line, window_body_lines, Fwindow_body_size)
+ (Fwindow_list_1): New functions.
+ (window_box_text_cols): Replace with window_body_cols.
+ (Fwindow_width, Fscroll_left, Fscroll_right): Use
+ window_body_cols instead of window_box_text_cols.
+ (delete_window, Fset_window_configuration): Call
+ delete_all_subwindows with window as argument.
+ (delete_all_subwindows): Take a window as argument and not a
+ structure. Rewrite.
+ (window_loop): Remove handling of GET_LRU_WINDOW and
+ GET_LARGEST_WINDOW.
+ (Fget_lru_window, Fget_largest_window): Move to window.el.
+
+ * window.h: Extern window_body_cols instead of
+ window_box_text_cols. delete_all_subwindows now takes a
+ Lisp_Object as argument.
+
+ * indent.c (compute_motion, Fcompute_motion): Use
+ window_body_cols instead of window_box_text_cols.
+
+ * frame.c (delete_frame): Call delete_all_subwindows with root
+ window as argument.
+
+2011-06-07 Daniel Colascione <dan.colascione@gmail.com>
+
+ * fns.c (Fputhash): Document return value.
+
+2011-06-06 Chong Yidong <cyd@stupidchicken.com>
+
+ * image.c (gif_load): Implement gif89a spec "no disposal" method.
+
+2011-06-06 Paul Eggert <eggert@cs.ucla.edu>
+
+ Cons<->int and similar integer overflow fixes (Bug#8794).
+
+ Check for overflow when converting integer to cons and back.
+ * charset.c (Fdefine_charset_internal, Fdecode_char):
+ Use cons_to_unsigned to catch overflow.
+ (Fencode_char): Use INTEGER_TO_CONS.
+ * composite.h (LGLYPH_CODE): Use cons_to_unsigned.
+ (LGLYPH_SET_CODE): Use INTEGER_TO_CONS.
+ * data.c (long_to_cons, cons_to_long): Remove.
+ (cons_to_unsigned, cons_to_signed): New functions.
+ These signal an error for invalid or out-of-range values.
+ * dired.c (Ffile_attributes): Use INTEGER_TO_CONS.
+ * fileio.c (Fset_visited_file_modtime): Use CONS_TO_INTEGER.
+ * font.c (Ffont_variation_glyphs):
+ * fontset.c (Finternal_char_font): Use INTEGER_TO_CONS.
+ * lisp.h: Include <intprops.h>.
+ (INTEGER_TO_CONS, CONS_TO_INTEGER): New macros.
+ (cons_to_signed, cons_to_unsigned): New decls.
+ (long_to_cons, cons_to_long): Remove decls.
+ * undo.c (record_first_change): Use INTEGER_TO_CONS.
+ (Fprimitive_undo): Use CONS_TO_INTEGER.
+ * xfns.c (Fx_window_property): Likewise.
+ * xselect.c: Include <limits.h>.
+ (x_own_selection, selection_data_to_lisp_data):
+ Use INTEGER_TO_CONS.
+ (x_handle_selection_request, x_handle_selection_clear)
+ (x_get_foreign_selection, Fx_disown_selection_internal)
+ (Fx_get_atom_name, x_send_client_event): Use CONS_TO_INTEGER.
+ (lisp_data_to_selection_data): Use cons_to_unsigned.
+ (x_fill_property_data): Use cons_to_signed.
+ Report values out of range.
+
+ Check for buffer and string overflow more precisely.
+ * buffer.h (BUF_BYTES_MAX): New macro.
+ * lisp.h (STRING_BYTES_MAX): New macro.
+ * alloc.c (Fmake_string):
+ * character.c (string_escape_byte8):
+ * coding.c (coding_alloc_by_realloc):
+ * doprnt.c (doprnt):
+ * editfns.c (Fformat):
+ * eval.c (verror):
+ Use STRING_BYTES_MAX, not MOST_POSITIVE_FIXNUM,
+ since they may not be the same number.
+ * editfns.c (Finsert_char):
+ * fileio.c (Finsert_file_contents):
+ Likewise for BUF_BYTES_MAX.
+
+ * image.c: Use ptrdiff_t, not int, for sizes.
+ (slurp_file): Switch from int to ptrdiff_t.
+ All uses changed.
+ (slurp_file): Check that file size fits in both size_t (for
+ malloc) and ptrdiff_t (for sanity and safety).
+
+ * 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.
+
+ 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.
+
+2011-06-06 Stefan Monnier <monnier@iro.umontreal.ca>
+
+ * window.h (Fwindow_frame): Declare.
+
+2011-06-06 Paul Eggert <eggert@cs.ucla.edu>
+
+ * alloc.c: Simplify handling of large-request failures (Bug#8800).
+ (SPARE_MEMORY): Always define.
+ (LARGE_REQUEST): Remove.
+ (memory_full): Use SPARE_MEMORY rather than LARGE_REQUEST.
+
2011-06-06 Martin Rudalics <rudalics@gmx.at>
* lisp.h: Move EXFUNS for Fframe_root_window,
or arbitrary window as argument. Update doc-strings.
(Fminibuffer_window): Move up in code.
(Fwindow_minibuffer_p): Move up in code and simplify.
- (Fset_frame_selected_window): Move here from frame.c. Marginal
- rewrite.
+ (Fset_frame_selected_window): Move here from frame.c.
+ Marginal rewrite.
(Fselected_window, select_window, Fselect_window): Move up in
code. Minor doc-string fixes.
* xselect.c (x_clipboard_manager_save): Remove redundant arg.
(x_clipboard_manager_save): Add return value.
- (x_clipboard_manager_error_1, x_clipboard_manager_error_2): New
- error handlers.
+ (x_clipboard_manager_error_1, x_clipboard_manager_error_2):
+ New error handlers.
(x_clipboard_manager_save_frame, x_clipboard_manager_save_all):
Obey Vx_select_enable_clipboard_manager. Catch errors in
x_clipboard_manager_save (Bug#8779).
(bidi_fetch_char, bidi_fetch_char_advance): New functions.
(bidi_cache_search, bidi_cache_iterator_state)
(bidi_paragraph_init, bidi_resolve_explicit, bidi_resolve_weak)
- (bidi_level_of_next_char, bidi_move_to_visually_next): Support
- character positions inside a run of characters covered by a
+ (bidi_level_of_next_char, bidi_move_to_visually_next):
+ Support character positions inside a run of characters covered by a
display string.
(bidi_paragraph_init, bidi_resolve_explicit_1)
(bidi_level_of_next_char): Call bidi_fetch_char and
definitions.
(bidi_explicit_dir_char): Lookup character type in bidi_type_table,
instead of using explicit *_CHAR codes.
- (bidi_resolve_explicit, bidi_resolve_weak): Use
- FETCH_MULTIBYTE_CHAR instead of FETCH_CHAR, as reordering of
+ (bidi_resolve_explicit, bidi_resolve_weak):
+ Use FETCH_MULTIBYTE_CHAR instead of FETCH_CHAR, as reordering of
bidirectional text is supported only in multibyte buffers.
(bidi_init_it): Accept additional argument FRAME_WINDOW_P and use
it to initialize the frame_window_p member of struct bidi_it.
(single_display_spec_intangible_p): Function deleted.
(display_prop_intangible_p): Reimplement to call
handle_display_spec instead of single_display_spec_intangible_p.
- Accept 3 additional arguments needed by handle_display_spec. This
- fixes incorrect cursor motion across display property with complex
+ Accept 3 additional arguments needed by handle_display_spec.
+ This fixes incorrect cursor motion across display property with complex
values: lists, `(when COND...)' forms, etc.
(single_display_spec_string_p): Support property values that are
lists with the argument STRING its top-level element.
the display property will replace the characters it covers.
(Fcurrent_bidi_paragraph_direction): Initialize the nchars and
frame_window_p members of struct bidi_it.
- (compute_display_string_pos, compute_display_string_end): New
- functions.
+ (compute_display_string_pos, compute_display_string_end):
+ New functions.
(push_it): Accept second argument POSITION, where pop_it should
jump to continue iteration.
(reseat_1): Initialize bidi_it.disp_pos.
* dispextern.h (struct bidi_it): New member frame_window_p.
(bidi_init_it): Update prototypes.
(display_prop_intangible_p): Update prototype.
- (compute_display_string_pos, compute_display_string_end): Declare
- prototypes.
+ (compute_display_string_pos, compute_display_string_end):
+ Declare prototypes.
(struct bidi_it): New members nchars and disp_pos. ch_len is now
EMACS_INT.