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2011-06-23  Paul Eggert  <eggert@cs.ucla.edu>

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	Integer and buffer overflow fixes (Bug#8873).

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	* print.c (printchar, strout): Check for string overflow.
	(PRINTPREPARE, printchar, strout):
	Don't set size unless allocation succeeds.

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	* minibuf.c (read_minibuf_noninteractive): Use ptrdiff_t, not int,
	for sizes.  Check for string overflow more accurately.
	Simplify newline removal at end; this suppresses a GCC 4.6.0 warning.

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	* macros.c: Integer and buffer overflow fixes.
	* keyboard.h (struct keyboard.kbd_macro_bufsize):
	* macros.c (Fstart_kbd_macro, store_kbd_macro_char):
	Use ptrdiff_t, not int, for sizes.
	Don't increment bufsize until after realloc succeeds.
	Check for size-calculation overflow.
	(Fstart_kbd_macro): Use EMACS_INT, not int, for XINT result.

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	* lisp.h (DEFVAR_KBOARD): Use offsetof instead of char * finagling.

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	* lread.c: Integer overflow fixes.
	(read_integer): Radix is now EMACS_INT, not int,
	to improve quality of diagnostics for out-of-range radices.
	Calculate buffer size correctly for out-of-range radices.
	(read1): Check for integer overflow in radices, and in
	read-circle numbers.
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	(read_escape): Avoid int overflow.
	(Fload, openp, read_buffer_size, read1)
	(substitute_object_recurse, read_vector, read_list, map_obarray):
	Use ptrdiff_t, not int, for sizes.
	(read1): Use EMACS_INT, not int, for sizes.
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	Check for size overflow.
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	* image.c (cache_image): Check for size arithmetic overflow.

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	* lread.c: Integer overflow issues.
	(saved_doc_string_size, saved_doc_string_length)
	(prev_saved_doc_string_size, prev_saved_doc_string_length):
	Now ptrdiff_t, not int.
	(read1): Don't assume doc string length fits in int.  Check for
	out-of-range doc string lengths.
	(read_list): Don't assume file position fits in int.
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	(read_escape): Check for hex character overflow.
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2011-06-22  Leo Liu  <sdl.web@gmail.com>

	* minibuf.c (Fcompleting_read_default, Vcompleting_read_function):
	Move to minibuffer.el.

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2011-06-22  Paul Eggert  <eggert@cs.ucla.edu>

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	Fixes for GLYPH_DEBUG found by GCC 4.6.0 static checking.
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	The following patches are for when GLYPH_DEBUG && !XASSERT.
	* dispextern.h (trace_redisplay_p, dump_glyph_string):
	* dispnew.c (flush_stdout):
	* xdisp.c (dump_glyph_row, dump_glyph_matrix, dump_glyph):
	Mark as externally visible.
	* dispnew.c (check_window_matrix_pointers): Now static.
	* dispnew.c (window_to_frame_vpos):
	* xfns.c (unwind_create_frame):
	* xterm.c (x_check_font): Remove unused local.
	* scroll.c (CHECK_BOUNDS):
	* xfaces.c (cache_fache): Rename local to avoid shadowing.
	* xfns.c, w32fns.c (image_cache_refcount, dpyinfo_refcount): Now static.
	* xdisp.c (check_window_end): Now a no-op if !XASSERTS.
	(debug_first_unchanged_at_end_vpos, debug_last_unchanged_at_beg_vpos)
	(debug_dvpos, debug_dy, debug_delta, debug_delta_bytes, debug_end_vpos):
	Now static.
	(debug_method_add): Use va_list and vsprintf rather than relying
	on undefined behavior with wrong number of arguments.
	(dump_glyph, dump_glyph_row, Fdump_glyph_matrix):
	Don't assume ptrdiff_t and EMACS_INT are the same width as int.
	In this code, it's OK to assume C99 behavior for ptrdiff_t formats
	since we're not interested in debugging glyphs with old libraries.
	* xfaces.c (cache_face): Move debugging code earlier; this pacifies
	GCC 4.6.0's static checking.

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2011-06-22  Paul Eggert  <eggert@cs.ucla.edu>

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	Integer overflow and signedness fixes (Bug#8873).
	A few related buffer overrun fixes, too.

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	* font.c (font_score): Use EMACS_INT, not int, to store XINT value.

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	* dispextern.h (struct face.stipple):
	* image.c (x_bitmap_height, x_bitmap_width, x_bitmap_pixmap)
	(x_bitmap_mask, x_allocate_bitmap_record)
	(x_create_bitmap_from_data, x_create_bitmap_from_file)
	(x_destroy_bitmap, x_destroy_all_bitmaps, x_create_bitmap_mask)
	(x_create_bitmap_from_xpm_data):
	* nsterm.h (struct ns_display_info.bitmaps_size, .bitmaps_last):
	* w32term.h (struct w32_display_info.icon_bitmap_id, .bitmaps_size)
	(.bitmaps_last):
	* xfaces.c (load_pixmap):
	* xterm.c (x_bitmap_icon, x_wm_set_icon_pixmap):
	* xterm.h (struct x_display_info.icon_bitmap_id, .bitmaps_size)
	(.bitmaps_last, struct x_output.icon_bitmap):
	Use ptrdiff_t, not int, for bitmap indexes.
	(x_allocate_bitmap_record): Check for size overflow.
	* dispextern.h, lisp.h: Adjust to API changes elsewhere.

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	Use ptrdiff_t, not int, for overlay counts.
	* buffer.h (overlays_at, sort_overlays, GET_OVERLAYS_AT):
	* editfns.c (overlays_around, get_pos_property):
	* textprop.c (get_char_property_and_overlay):
	* xdisp.c (next_overlay_change, note_mouse_highlight):
	* xfaces.c (face_at_buffer_position):
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	* buffer.c (OVERLAY_COUNT_MAX): New macro.
	(overlays_at, overlays_in, sort_overlays, Foverlays_at)
	(Fnext_overlay_change, Fprevious_overlay_change)
	(mouse_face_overlay_overlaps, Foverlays_in):
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	Use ptrdiff_t, not int, for sizes.
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	(overlays_at, overlays_in): Check for size-calculation overflow.
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	* xterm.c (xim_initialize, same_x_server): Strlen may not fit in int.

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	* xsmfns.c (smc_save_yourself_CB, x_session_initialize): Avoid strlen.
	(x_session_initialize): Do not assume string length fits in int.

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	* xsettings.c (apply_xft_settings): Fix potential buffer overrun.
	This is unlikely, but can occur if DPI is outlandish.

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	* xsettings.c (Ffont_get_system_normal_font, Ffont_get_system_font):
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	* xselect.c (Fx_get_atom_name): Avoid need for strlen.

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	* xrdb.c: Don't assume strlen fits in int; avoid some strlens.
	* xrdb.c (magic_file_p, search_magic_path):
	Omit last arg SUFFIX; it was always 0.  All callers changed.
	(magic_file_p): Use ptrdiff_t, not int.  Check for size overflow.

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	* xfont.c (xfont_match): Avoid need for strlen.

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	* xfns.c: Don't assume strlen fits in int.
	(xic_create_fontsetname, x_window): Use ptrdiff_t, not int.

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	* xdisp.c (message_log_check_duplicate): Return intmax_t,
	not unsigned long, as we prefer signed integers.  All callers changed.
	Detect integer overflow in repeat count.
	(message_dolog): Don't assume print length fits in 39 bytes.
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	(display_mode_element): Don't assume strlen fits in int.
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	* termcap.c: Don't assume sizes fit in int and never overflow.
	(struct termcap_buffer, tgetent): Use ptrdiff_t, not int, for sizes.
	(gobble_line): Check for size-calculation overflow.

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	* minibuf.c (Fread_buffer):
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	* lread.c (intern, intern_c_string):
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	* image.c (xpm_scan) [HAVE_NS && !HAVE_XPM]:
	Don't assume string length fits in int.

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	* keyboard.c (parse_tool_bar_item):
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	* gtkutil.c (style_changed_cb): Avoid need for strlen.

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	* font.c: Don't assume string length fits in int.
	(font_parse_xlfd, font_parse_fcname, font_unparse_fcname):
	Use ptrdiff_t, not int.
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	(font_intern_prop): Don't assume string length fits in int.
	Don't assume integer property fits in fixnum.
	* font.h (font_intern_prop): 2nd arg is now ptrdiff_t, not int.
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	* filelock.c: Fix some buffer overrun and integer overflow issues.
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	(get_boot_time): Don't assume gzip command string fits in 100 bytes.
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	Reformulate so as not to need the command string.
	Invoke gzip -cd rather than gunzip, as it's more portable.
	(lock_info_type, lock_file_1, lock_file):
	Don't assume pid_t and time_t fit in unsigned long.
	(LOCK_PID_MAX): Remove; we now use more-reliable bounds.
	(current_lock_owner): Prefer signed type for sizes.
	Use memcpy, not strncpy, where memcpy is what is really wanted.
	Don't assume (via atoi) that time_t and pid_t fit in int.
	Check for time_t and/or pid_t out of range, e.g., via a network share.
	Don't alloca where an auto var works fine.

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	* fileio.c: Fix some integer overflow issues.
	(file_name_as_directory, Fexpand_file_name, Fsubstitute_in_file_name):
	Don't assume string length fits in int.
	(directory_file_name): Don't assume string length fits in long.
	(make_temp_name): Don't assume pid fits in int, or that its print
	length is less than 20.

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	* data.c (Fsubr_name): Rewrite to avoid a strlen call.

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	* coding.c (make_subsidiaries): Don't assume string length fits in int.

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	* callproc.c (child_setup): Rewrite to avoid two strlen calls.

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	* process.c (Fformat_network_address): Use EMACS_INT, not EMACS_UINT.
	We prefer signed integers, even for size calculations.

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	* emacs.c: Don't assume string length fits in 'int'.
	(DEFINE_DUMMY_FUNCTION, sort_args): Use ptrdiff_t, not int.
	(main): Don't invoke strlen when not needed.

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	* dbusbind.c (XD_ERROR): Don't arbitrarily truncate string.
	(XD_DEBUG_MESSAGE): Don't waste a byte.

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	* callproc.c (getenv_internal_1, getenv_internal)
	(Fgetenv_internal):
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	* buffer.c (init_buffer): Don't assume string length fits in 'int'.

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	* lread.c (invalid_syntax): Omit length argument.
	All uses changed.  This doesn't fix a bug, but it simplifies the
	code away from its former Hollerith-constant appearance, and it's
	one less 'int' to worry about when looking at integer-overflow issues.
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	(string_to_number): Simplify 2011-04-26 change by invoking xsignal1.
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	* lisp.h (DEFUN): Remove bogus use of sizeof (struct Lisp_Subr).
	This didn't break anything, but it didn't help either.
	It's confusing to put a bogus integer in a place where the actual
	value does not matter.
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	(LIST_END_P): Remove unused macro and its bogus comment.
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	(make_fixnum_or_float): Remove unnecessary cast to EMACS_INT.
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	* lisp.h (union Lisp_Object.i): EMACS_INT, not EMACS_UINT.
	This is for consistency with the ordinary, non-USE_LISP_UNION_TYPE,
	implementation.
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	(struct Lisp_Bool_Vector.size): EMACS_INT, not EMACS_UINT.
	We prefer signed types, and the value cannot exceed the EMACS_INT
	range anyway (because otherwise the length would not be representable).
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	(XSET) [USE_LISP_UNION_TYPE]: Use uintptr_t and intptr_t,
	not EMACS_UINT and EMACS_INT, when converting pointer to integer.
	This avoids a GCC warning when WIDE_EMACS_INT.
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	* indent.c (sane_tab_width): New function.
	(current_column, scan_for_column, Findent_to, position_indentation)
	(compute_motion): Use it.  This is just for clarity.
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	(Fcompute_motion): Don't assume hscroll and tab offset fit in int.
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	* image.c (xbm_image_p): Don't assume stated width, height fit in int.
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	* lisp.h (lint_assume): New macro.
	* composite.c (composition_gstring_put_cache):
	* ftfont.c (ftfont_shape_by_flt): Use it to pacify GCC 4.6.0.

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	* editfns.c, insdel.c:
	Omit unnecessary forward decls, to simplify future changes.
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	* ftfont.c (ftfont_shape_by_flt): Use signed integers for lengths.

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	* font.c (Ffont_shape_gstring): Don't assume glyph len fits in 'int'.

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	* fns.c (Ffillarray): Don't assume bool vector size fits in 'int'.
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	Use much-faster test for byte-length change.
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	Don't assume string byte-length fits in 'int'.
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	Check that character arg fits in 'int'.
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	(mapcar1): Declare byte as byte, for clarity.
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	* alloc.c (Fmake_bool_vector): Avoid unnecessary multiplication.

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	* fns.c (concat): Catch string overflow earlier.
	Do not rely on integer wraparound.

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	* dispextern.h (struct it.overlay_strings_charpos)
	(struct it.selective): Now EMACS_INT, not int.
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	* xdisp.c (forward_to_next_line_start)
	(back_to_previous_visible_line_start)
	(reseat_at_next_visible_line_start, next_element_from_buffer):
	Don't arbitrarily truncate the value of 'selective' to int.

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	* xdisp.c (init_iterator): Use XINT, not XFASTINT; it might be < 0.

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	* composite.c: Don't truncate sizes to 'int'.
	(composition_gstring_p, composition_reseat_it)
	(composition_adjust_point): Use EMACS_INT, not int.
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	(get_composition_id, composition_gstring_put_cache): Use EMACS_INT,
	not EMACS_UINT, for indexes.
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	* category.h (CATEGORY_SET_P): Remove unnecessary cast to EMACS_INT.

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	* buffer.c: Include <verify.h>.
	(struct sortvec.priority, struct sortstr.priority):
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	Now EMACS_INT, not int.
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	(compare_overlays, cmp_for_strings): Avoid subtraction overflow.
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	(struct sortstr.size, record_overlay_string)
	(struct sortstrlist.size, struct sortlist.used):
	Don't truncate size to int.
	(record_overlay_string): Check for size-calculation overflow.
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	(init_buffer_once): Check at compile-time, not run-time.
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2011-06-22  Jim Meyering  <meyering@redhat.com>

	don't leak an XBM-image-sized buffer
	* image.c (xbm_load): Free the image buffer after using it.

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2011-06-21  Paul Eggert  <eggert@cs.ucla.edu>

	Port to Sun C.
	* composite.c (find_automatic_composition): Omit needless 'return 0;'
	that Sun C diagnosed.
	* fns.c (secure_hash): Fix pointer signedness issue.
	* intervals.c (static_offset_intervals): New function.
	(offset_intervals): Use it.

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2011-06-21  Leo Liu  <sdl.web@gmail.com>

	* deps.mk (fns.o):
	* makefile.w32-in ($(BLD)/fns.$(O)): Include sha256.h and
	sha512.h.

	* fns.c (secure_hash): Rename from crypto_hash_function and change
	the first arg to accept symbols.
	(Fsecure_hash): New primtive.
	(syms_of_fns): New symbols.

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2011-06-20  Deniz Dogan  <deniz@dogan.se>

	* process.c (Fset_process_buffer): Clarify return value in
	docstring.

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2011-06-18  Chong Yidong  <cyd@stupidchicken.com>

	* dispnew.c (add_window_display_history): Use BVAR.

	* xdisp.c (debug_method_add): Use BVAR.
	(check_window_end, dump_glyph_matrix, dump_glyph)
	(dump_glyph_row, dump_glyph_string): Convert arglist to ANSI C.

	* xfaces.c (check_lface_attrs, check_lface, dump_realized_face):
	Likewise.

	* xfns.c (Fx_create_frame, x_create_tip_frame): Delay image cache
	check till after the cache is created in init_frame_faces.

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2011-06-17  Stefan Monnier  <monnier@iro.umontreal.ca>

	* fns.c (Fsafe_length): Yet another int/Lisp_Object mixup.

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2011-06-16  Paul Eggert  <eggert@cs.ucla.edu>

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	* lisp.h: Include <limits.h>, for INT_MAX, LONG_MAX, LLONG_MAX.
	Without this, prin1 mishandles Lisp_Misc_Save_Value printing on
	hosts with pre-C99 libraries, because pD is wrongly defined to "t".

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	Improve buffer-overflow checking (Bug#8873).
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	* fileio.c (Finsert_file_contents):
	* insdel.c (insert_from_buffer_1, replace_range, replace_range_2):
	Remove the old (too-loose) buffer overflow checks.
	They weren't needed, since make_gap checks for buffer overflow.
	* insdel.c (make_gap_larger): Catch buffer overflows that were missed.
	The old code merely checked for Emacs fixnum overflow, and relied
	on undefined (wraparound) behavior.  The new code avoids undefined
	behavior, and also checks for ptrdiff_t and/or size_t overflow.

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	* editfns.c (Finsert_char): Don't dump core with very negative counts.
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	Tune.  Don't use wider integers than needed.  Don't use alloca.
	Use a bigger 'string' buffer.  Rewrite to avoid 'n > 0' test.
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	* insdel.c (replace_range): Fix buf overflow when insbytes < outgoing.

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	* insdel.c, lisp.h (buffer_overflow): New function.
	(insert_from_buffer_1, replace_range, replace_range_2):
	* insdel.c (make_gap_larger):
	* editfns.c (Finsert_char):
	* fileio.c (Finsert_file_contents): Use it, to normalize wording.

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	* buffer.h (BUF_BYTES_MAX): Cast to ptrdiff_t so that it's signed.

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2011-06-15  Paul Eggert  <eggert@cs.ucla.edu>

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	Integer overflow and signedness fixes (Bug#8873).
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	* ccl.c (ASCENDING_ORDER): New macro, to work around GCC bug 43772.
	(GET_CCL_RANGE, IN_INT_RANGE): Use it.

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	* fileio.c: Don't assume EMACS_INT fits in off_t.
	(emacs_lseek): New static function.
	(Finsert_file_contents, Fwrite_region): Use it.
	Use SEEK_SET, SEEK_CUR, SEEK_END as appropriate.

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	* fns.c (Fload_average): Don't assume 100 * load average fits in int.

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	* fns.c: Don't overflow int when computing a list length.
	* fns.c (QUIT_COUNT_HEURISTIC): New constant.
	(Flength, Fsafe_length): Use EMACS_INT, not int, to avoid unwanted
	truncation on 64-bit hosts.  Check for QUIT every
	QUIT_COUNT_HEURISTIC entries rather than every other entry; that's
	faster and is responsive enough.
	(Flength): Report an error instead of overflowing an integer.
	(Fsafe_length): Return a float if the value is not representable
	as a fixnum.  This shouldn't happen except in contrived situations.
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	(Fnthcdr, Fsort): Don't assume list length fits in int.
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	(Fcopy_sequence): Don't assume vector length fits in int.
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	* alloc.c: Check that resized vectors' lengths fit in fixnums.
	(header_size, word_size): New constants.
	(allocate_vectorlike): Don't check size overflow here.
	(allocate_vector): Check it here instead, since this is the only
	caller of allocate_vectorlike that could cause overflow.
	Check that the new vector's length is representable as a fixnum.

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	* fns.c (next_almost_prime): Don't return a multiple of 3 or 5.
	The previous code was bogus.  For example, next_almost_prime (32)
	returned 39, which is undesirable as it is a multiple of 3; and
	next_almost_prime (24) returned 25, which is a multiple of 5 so
	why was the code bothering to check for multiples of 7?

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	* bytecode.c (exec_byte_code): Use ptrdiff_t, not int, for vector length.

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	* eval.c, doprnt.c (SIZE_MAX): Remove; inttypes.h defines this now.

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	Variadic C functions now count arguments with ptrdiff_t.
	This partly undoes my 2011-03-30 change, which replaced int with size_t.
	Back then I didn't know that the Emacs coding style prefers signed int.
	Also, in the meantime I found a few more instances where arguments
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	were being counted with int, which may truncate counts on 64-bit
	machines, or EMACS_INT, which may be unnecessarily wide.
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	* lisp.h (struct Lisp_Subr.function.aMANY)
	(DEFUN_ARGS_MANY, internal_condition_case_n, safe_call):
	Arg counts are now ptrdiff_t, not size_t.
	All variadic functions and their callers changed accordingly.
	(struct gcpro.nvars): Now size_t, not size_t.  All uses changed.
	* bytecode.c (exec_byte_code): Check maxdepth for overflow,
	to avoid potential buffer overrun.  Don't assume arg counts fit in 'int'.
	* callint.c (Fcall_interactively): Check arg count for overflow,
	to avoid potential buffer overrun.  Use signed char, not 'int',
	for 'varies' array, so that we needn't bother to check its size
	calculation for overflow.
	* editfns.c (Fformat): Use ptrdiff_t, not EMACS_INT, to count args.
	* eval.c (apply_lambda):
	* fns.c (Fmapconcat): Use XFASTINT, not XINT, to get args length.
	(struct textprop_rec.argnum): Now ptrdiff_t, not int.  All uses changed.
	(mapconcat): Use ptrdiff_t, not int and EMACS_INT, to count args.

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	* callint.c (Fcall_interactively): Don't use index var as event count.

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	* vm-limit.c (check_memory_limits): Fix incorrect extern function decls.
	* mem-limits.h (SIZE): Remove; no longer used.

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	* xterm.c (x_alloc_nearest_color_1): Prefer int to long when int works.
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	Remove unnecessary casts.
	* xterm.c (x_term_init):
	* xfns.c (x_set_border_pixel):
	* widget.c (create_frame_gcs): Remove casts to unsigned long etc.
	These aren't needed now that we assume ANSI C.

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	* sound.c (Fplay_sound_internal): Remove cast to unsigned long.
	It's more likely to cause problems (due to unsigned overflow)
	than to cure them.

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	* dired.c (Ffile_attributes): Don't use 32-bit hack on 64-bit hosts.

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	* unexelf.c (unexec): Don't assume BSS addr fits in unsigned.

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	* xterm.c (handle_one_xevent): Omit unnecessary casts to unsigned.

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	* keyboard.c (modify_event_symbol): Don't limit alist len to UINT_MAX.

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	* lisp.h (CHAR_TABLE_SET): Omit now-redundant test.

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	* lread.c (Fload): Don't compare a possibly-garbage time_t value.

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	GLYPH_CODE_FACE returns EMACS_INT, not int.
	* dispextern.h (merge_faces):
	* xfaces.c (merge_faces):
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	* xdisp.c (get_next_display_element, next_element_from_display_vector):
	Don't assume EMACS_INT fits in int.
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	* character.h (CHAR_VALID_P): Remove unused parameter.
	* fontset.c, lisp.h, xdisp.c: All uses changed.

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	* editfns.c (Ftranslate_region_internal): Omit redundant test.

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	* fns.c (concat): Minor tuning based on overflow analysis.
	This doesn't fix any bugs.  Use int to hold character, instead
	of constantly refetching from Emacs object.  Use XFASTINT, not
	XINT, for value known to be a character.  Don't bother comparing
	a single byte to 0400, as it's always less.

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	* floatfns.c (Fexpt):
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	* fileio.c (make_temp_name): Omit unnecessary cast to unsigned.

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	* editfns.c (Ftranslate_region_internal): Use int, not EMACS_INT
	for characters.

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	* doc.c (get_doc_string): Omit (unsigned)c that mishandled negatives.

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	* data.c (Faset): If ARRAY is a string, check that NEWELT is a char.
	Without this fix, on a 64-bit host (aset S 0 4294967386) would
	incorrectly succeed when S was a string, because 4294967386 was
	truncated before it was used.

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	* chartab.c (Fchar_table_range): Use CHARACTERP to check range.
	Otherwise, an out-of-range integer could cause undefined behavior
	on a 64-bit host.

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	* composite.c: Use int, not EMACS_INT, for characters.
	(fill_gstring_body, composition_compute_stop_pos): Use int, not
	EMACS_INT, for values that are known to be in character range.
	This doesn't fix any bugs but is the usual style inside Emacs and
	may generate better code on 32-bit machines.

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	Make sure a 64-bit char is never passed to ENCODE_CHAR.
	This is for reasons similar to the recent CHAR_STRING fix.
	* charset.c (Fencode_char): Check that character arg is actually
	a character.  Pass an int to ENCODE_CHAR.
	* charset.h (ENCODE_CHAR): Verify that the character argument is no
	wider than 'int', as a compile-time check to prevent future regressions
	in this area.

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	* character.c (char_string): Remove unnecessary casts.
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	Make sure a 64-bit char is never passed to CHAR_STRING.
	Otherwise, CHAR_STRING would do the wrong thing on a 64-bit platform,
	by silently ignoring the top 32 bits, allowing some values
	that were far too large to be valid characters.
	* character.h: Include <verify.h>.
	(CHAR_STRING, CHAR_STRING_ADVANCE): Verify that the character
	arguments are no wider than unsigned, as a compile-time check
	to prevent future regressions in this area.
	* data.c (Faset):
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	* editfns.c (Fchar_to_string, general_insert_function, Finsert_char)
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	(Fsubst_char_in_region):
	* fns.c (concat):
	* xdisp.c (decode_mode_spec_coding):
	Adjust to CHAR_STRING's new requirement.
	* editfns.c (Finsert_char, Fsubst_char_in_region):
	* fns.c (concat): Check that character args are actually
	characters.  Without this test, these functions did the wrong
	thing with wildly out-of-range values on 64-bit hosts.

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	Remove incorrect casts to 'unsigned' that lose info on 64-bit hosts.
	These casts should not be needed on 32-bit hosts, either.
	* keyboard.c (read_char):
	* lread.c (Fload): Remove casts to unsigned.

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	* lisp.h (UNSIGNED_CMP): New macro.
	This fixes comparison bugs on 64-bit hosts.
	(ASCII_CHAR_P): Use it.
	* casefiddle.c (casify_object):
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	* character.h (ASCII_BYTE_P, CHAR_VALID_P)
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	(SINGLE_BYTE_CHAR_P, CHAR_STRING):
	* composite.h (COMPOSITION_ENCODE_RULE_VALID):
	* dispextern.h (FACE_FROM_ID):
	* keyboard.c (read_char): Use UNSIGNED_CMP.

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	* xmenu.c (dialog_selection_callback) [!USE_GTK]: Cast to intptr_t,
	not to EMACS_INT, to avoid GCC warning.

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	* xfns.c (x_set_scroll_bar_default_width): Remove unused 'int' locals.

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	* buffer.h (PTR_BYTE_POS, BUF_PTR_BYTE_POS): Remove harmful cast.
	The cast incorrectly truncated 64-bit byte offsets to 32 bits, and
	isn't needed on 32-bit machines.
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	* buffer.c (Fgenerate_new_buffer_name):
	Use EMACS_INT for count, not int.
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	(advance_to_char_boundary): Return EMACS_INT, not int.
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	* data.c (Qcompiled_function): Now static.

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	* window.c (window_body_lines): Now static.

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	* image.c (gif_load): Rename local to avoid shadowing.

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	* 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.

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	* 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)
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	(total_free_floats, total_floats, total_free_intervals)
	(total_intervals, total_strings, total_free_strings):
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	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.
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	(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.
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	(nzombies, ngcs, max_live, max_zombies): Now EMACS_INT, not 'int'.
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	(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.
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	(allocate_pseudovector): Don't use EMACS_INT when int would do.
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	* alloc.c (Fmake_bool_vector): Don't assume vector size fits in int.
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	(allocate_vectorlike): Check for ptrdiff_t overflow.
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	(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.
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	* 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.
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	* 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.

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	* character.c (string_escape_byte8): Fix nbytes/nchars typo.

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	* alloc.c (Fmake_string): Check for out-of-range init.

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2011-06-15  Stefan Monnier  <monnier@iro.umontreal.ca>

	* eval.c (Fdefvaralias): Also mark the target as variable-special-p.

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2011-06-14  Jan Djärv  <jan.h.d@swipnet.se>

	* xfns.c (x_set_scroll_bar_default_width): Remove argument to
	xg_get_default_scrollbar_width.

	* gtkutil.c: Include emacsgtkfixed.h if HAVE_GTK3.
	(int_gtk_range_get_value): Move to the scroll bar part of the file.
	(style_changed_cb): Call update_theme_scrollbar_width and call
	x_set_scroll_bar_default_width and xg_frame_set_char_size for
	all frames (Bug#8505).
	(xg_create_frame_widgets): Call emacs_fixed_new if HAVE_GTK3 (Bug#8505).
	Call gtk_window_set_resizable if HAVE_GTK3.
	(x_wm_set_size_hint): Call emacs_fixed_set_min_size with min width
	and height if HAVE_GTK3 (Bug#8505).
	(scroll_bar_width_for_theme): New variable.
	(update_theme_scrollbar_width): New function.
	(xg_get_default_scrollbar_width): Move code to
	update_theme_scrollbar_width, just return scroll_bar_width_for_theme.
	(xg_initialize): Call update_theme_scrollbar_width.

	* gtkutil.h (xg_get_default_scrollbar_width): Remove argument.

	* emacsgtkfixed.c, emacsgtkfixed.h: New files.

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2011-06-12  Martin Rudalics  <rudalics@gmx.at>

	* frame.c (make_frame): Call other_buffer_safely instead of
	other_buffer.

	* window.c (temp_output_buffer_show): Call display_buffer with
	second argument Vtemp_buffer_show_specifiers and reset latter
	immediately after the call.
	(Vtemp_buffer_show_specifiers): New variable.
	(auto_window_vscroll_p, next_screen_context_lines)
	(Vscroll_preserve_screen_position): Remove leading asterisks from
	doc-strings.

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2011-06-12  Paul Eggert  <eggert@cs.ucla.edu>
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	Fix minor problems found by GCC 4.6.0 static checking.
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	* buffer.c (Qclone_number): Remove for now, as it's unused.
	(record_buffer, Funrecord_buffer): Rename local to avoid shadowing.
	(record_buffer): Remove unused local.
	* frame.c (other_visible_frames, frame_buffer_list): Now static.
	(set_frame_buffer_list): Remove; unused.
	* frame.h (other_visible_frames): Remove decl.
	* keyboard.h (menu_items_inuse): Declare only if USE_GTK || USE_MOTIF.
	* lisp.h (frame_buffer_list, set_frame_buffer_list): Remove decls.
	(add_gpm_wait_descriptor, delete_gpm_wait_descriptor): Declare only
	if HAVE_GPM.
	* menu.c (menu_items_inuse): Now static unless USE_GTK || USE_MOTIF.
	* process.c (add_gpm_wait_descriptor, delete_gpm_wait_descriptor):
	Define only if HAVE_GPM.
	* widget.c (EmacsFrameResize, emacsFrameClassRec): Now static.
	(update_hints_inhibit): Remove; never set.  All uses removed.
	* widgetprv.h (emacsFrameClassRec): Remove decl.
	* window.c (delete_deletable_window): Now returns void, since it
	wasn't returning anything.
	(compare_window_configurations): Remove unused locals.
	* xfns.c (x_set_scroll_bar_default_width): Remove unused locals.
	* xmenu.c (x_menu_set_in_use): Define only if USE_GTK || USE_MOTIF.
	(dialog_selection_callback) [!USE_GTK]: Prefer intptr_t for integers
	the same widths as pointers.  This follows up on the 2011-05-06 patch.
	* xterm.c (x_alloc_lighter_color_for_widget): Define only if USE_LUCID.
	* xterm.h: Likewise.
	(x_menu_set_in_use): Declare only if USE_GTK || USE_MOTIF.

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2011-06-12  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in: Update dependencies.
	(LISP_H): Add lib/intprops.h.

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2011-06-11  Chong Yidong  <cyd@stupidchicken.com>

	* image.c (gif_load): Add animation frame delay to the metadata.
	(syms_of_image): Use DEFSYM.  New symbol `delay'.

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2011-06-11  Martin Rudalics  <rudalics@gmx.at>

	* window.c (delete_deletable_window): Re-add.
	(Fset_window_configuration): Rewrite to handle dead buffers and
	consequently deletable windows.
	(window_tree, Fwindow_tree): Remove.  Supply functionality in
	window.el.
	(compare_window_configurations): Simplify code.

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2011-06-11  Andreas Schwab  <schwab@linux-m68k.org>

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	* image.c (imagemagick_load_image): Fix type mismatch.
	(Fimagemagick_types): Likewise.

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	* window.h (replace_buffer_in_windows): Declare.

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2011-06-11  Martin Rudalics  <rudalics@gmx.at>

	* buffer.c: New Lisp objects Qbuffer_list_update_hook and
	Qclone_number.  Remove external declaration of Qdelete_window.
	(Fbuffer_list): Rewrite doc-string.  Minor restructuring of
	code.
	(Fget_buffer_create, Fmake_indirect_buffer, Frename_buffer): Run
	Qbuffer_list_update_hook if allowed.
	(Fother_buffer): Rewrite doc-string.  Major rewrite for new
	buffer list implementation.
	(other_buffer_safely): New function.
	(Fkill_buffer): Replace call to replace_buffer_in_all_windows by
	calls to replace_buffer_in_windows and
	replace_buffer_in_windows_safely.  Run Qbuffer_list_update_hook
	if allowed.
	(record_buffer): Inhibit quitting and rewrite using quittable
	functions.  Run Qbuffer_list_update_hook if allowed.
	(Frecord_buffer, Funrecord_buffer): New functions.
	(switch_to_buffer_1, Fswitch_to_buffer): Remove.  Move
	switch-to-buffer to window.el.
	(bury-buffer): Move to window.el.
	(Vbuffer_list_update_hook): New variable.

	* lisp.h (other_buffer_safely): Add prototype in buffer.c
	section.

	* window.h (resize_frame_windows): Move up in code.
	(Fwindow_frame): Remove EXFUN.
	(replace_buffer_in_all_windows): Remove prototype.
	(replace_buffer_in_windows_safely): Add prototype.

	* window.c: Declare Qdelete_window static again.  Move down
	declaration of select_count.
	(Fnext_window, Fprevious_window): Rewrite doc-strings.
	(Fother_window): Move to window.el.
	(window_loop): Remove DELETE_BUFFER_WINDOWS and UNSHOW_BUFFER
	cases.  Add REPLACE_BUFFER_IN_WINDOWS_SAFELY case.
	(Fdelete_windows_on, Freplace_buffer_in_windows): Move to
	window.el.
	(replace_buffer_in_windows): Implement by calling
	Qreplace_buffer_in_windows.
	(replace_buffer_in_all_windows): Remove with some functionality
	moved into replace_buffer_in_windows_safely.
	(replace_buffer_in_windows_safely): New function.
	(select_window_norecord, select_frame_norecord): Move in front
	of run_window_configuration_change_hook.  Remove now obsolete
	declarations.
	(Fset_window_buffer): Rewrite doc-string.  Call
	Qrecord_window_buffer.
	(keys_of_window): Move binding for other-window to window.el.

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2011-06-11  Chong Yidong  <cyd@stupidchicken.com>

	* dispextern.h (struct image): Replace data member, whose int_val
	and ptr_val fields were not used by anything, with a single
	lisp_val object.

	* image.c (Fimage_metadata, make_image, mark_image, tiff_load)
	(gif_clear_image, gif_load, imagemagick_load_image)
	(gs_clear_image, gs_load): Callers changed.

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2011-06-10  Paul Eggert  <eggert@cs.ucla.edu>

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	* buffer.h: Include <time.h>, for time_t.
	Needed to build on FreeBSD 8.2.  Problem reported by Herbert J. Skuhra.

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	Fix minor problems found by static checking.

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	* image.c (PixelGetMagickColor): Declare if ImageMagick headers don't.

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	Make identifiers static if they are not used in other modules.
	* data.c (Qcompiled_function, Qframe, Qvector):
	* image.c (QimageMagick, Qsvg):
	* minibuf.c (Qmetadata):
	* window.c (resize_window_check, resize_root_window): Now static.
	* window.h (resize_window_check, resize_root_window): Remove decls.

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	* window.c (window_deletion_count, delete_deletable_window):
	Remove; unused.
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	(window_body_lines): Now static.
	(Fdelete_other_windows_internal): Mark vars as initialized.
	Make sure 'resize_failed' is initialized.
	(run_window_configuration_change_hook): Rename local to avoid shadowing.
	(resize_window_apply): Remove unused local.
	* window.h (delete_deletable_window): Remove decl.

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	* image.c (gif_load, svg_load_image): Rename locals to avoid shadowing.
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	(imagemagick_load_image): Fix pointer signedness problem by changing
	last arg from unsigned char * to char *.  All uses changed.
	Also, fix a local for similar reasons.
	Remove unused locals.  Remove locals to avoid shadowing.
	(fn_rsvg_handle_free): Remove; unused.
	(svg_load, svg_load_image): Fix pointer signedness problem.
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	(imagemagick_load_image): Don't use garbage pointer image_wand.
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	* ftfont.c (ftfont_get_metrics, ftfont_drive_otf): Remove unused locals.

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2011-06-10  Chong Yidong  <cyd@stupidchicken.com>

	* image.c (gif_load): Fix omitted cast error introduced by
	2011-06-06 change.

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2011-06-10  Martin Rudalics  <rudalics@gmx.at>

	* window.h (resize_proportionally, orig_total_lines)
	(orig_top_line): Remove from window structure.
	(set_window_height, set_window_width, change_window_heights)
	(Fdelete_window): Remove prototypes.
	(resize_frame_windows): Remove duplicate declaration.

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2011-06-10  Eli Zaretskii  <eliz@gnu.org>

	* window.h (resize_frame_windows, resize_window_check)
	(delete_deletable_window, resize_root_window)
	(resize_frame_windows): Declare prototypes.

	* window.c (resize_window_apply): Make definition be "static" to
	match the prototype.

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2011-06-10  Martin Rudalics  <rudalics@gmx.at>

	* window.c: Remove declarations of Qwindow_size_fixed,
	window_min_size_1, window_min_size_2, window_min_size,
	size_window, window_fixed_size_p, enlarge_window, delete_window.
	Remove static from declaration of Qdelete_window, it's
	temporarily needed by Fbury_buffer.
	(replace_window): Don't assign orig_top_line and
	orig_total_lines.
	(Fdelete_window, delete_window): Remove.  Window deletion is
	handled by window.el.
	(window_loop): Remove DELETE_OTHER_WINDOWS case.  Replace
	Fdelete_window calls with calls to Qdelete_window.
	(Fdelete_other_windows): Remove.  Deleting other windows is
	handled by window.el.
	(window_fixed_size_p): Remove.  Fixed-sizeness of windows is
	handled in window.el.
	(window_min_size_2, window_min_size_1, window_min_size): Remove.
	Window minimum sizes are handled in window.el.
	(shrink_windows, size_window, set_window_height)
	(set_window_width, change_window_heights, window_height)
	(window_width, CURBEG, CURSIZE, enlarge_window)
	(adjust_window_trailing_edge, Fadjust_window_trailing_edge)
	(Fenlarge_window, Fshrink_window): Remove.  Window resizing is
	handled in window.el.
	(make_dummy_parent): Rename to make_parent_window and give it a
	second argument horflag.
	(make_window): Don't set resize_proportionally any more.
	(Fsplit_window): Remove.  Windows are split in window.el.
	(save_restore_action, save_restore_orig_size)
	(shrink_window_lowest_first, save_restore_orig_size): Remove.
	Resize mini windows in window.el.
	(grow_mini_window, shrink_mini_window): Implement by calling
	Qresize_root_window_vertically, resize_window_check and
	resize_window_apply.
	(saved_window, Fset_window_configuration, save_window_save): Do
	not handle orig_top_line, orig_total_lines, and
	resize_proportionally.
	(window_min_height, window_min_width): Move to window.el.
	(keys_of_window): Move bindings for delete-other-windows,
	split-window, delete-window and enlarge-window to window.el.

	* buffer.c: Temporarily extern Qdelete_window.
	(Fbury_buffer): Temporarily call Qdelete_window instead of
	Fdelete_window (Fbury_buffer will move to window.el soon).

	* frame.c (set_menu_bar_lines_1): Remove code handling
	orig_top_line and orig_total_lines.

	* dispnew.c (adjust_frame_glyphs_initially): Don't use
	set_window_height but set heights directly.
	(change_frame_size_1): Use resize_frame_windows.

	* xdisp.c (init_xdisp): Don't use set_window_height but set
	heights directly.

	* xfns.c (x_set_menu_bar_lines, x_set_tool_bar_lines): Use
	resize_frame_windows instead of change_window_heights and run
	run_window_configuration_change_hook.

	* w32fns.c (x_set_tool_bar_lines): Use resize_frame_windows
	instead of change_window_heights and run
	run_window_configuration_change_hook.

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2011-06-09  Martin Rudalics  <rudalics@gmx.at>

	* window.c (replace_window): Rename second argument REPLACEMENT to
	NEW.  New third argument SETFLAG.  Rewrite.
	(delete_window, make_dummy_parent): Call replace_window with
	third argument 1.
	(window_list_1): Move down in code.
	(run_window_configuration_change_hook): Move set_buffer part
	before select_frame_norecord part in order to unwind correctly.
	Rename count1 to count.
	(recombine_windows, delete_deletable_window, resize_root_window)
	(Fdelete_other_windows_internal)
	(Frun_window_configuration_change_hook, make_parent_window)
	(resize_window_check, resize_window_apply, Fresize_window_apply)
	(resize_frame_windows, Fsplit_window_internal)
	(Fdelete_window_internal, Fresize_mini_window_internal): New
	functions.
	(syms_of_window): New variables Vwindow_splits and Vwindow_nest.

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	* 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.
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	(MIN_SAFE_WINDOW_WIDTH, MIN_SAFE_WINDOW_HEIGHT): Define here.
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	* window.c (Fwindow_height, Fwindow_width, Fwindow_full_width_p):
	Remove.
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	(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.
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	(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.
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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.
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	(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.
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	(window_loop): Remove handling of GET_LRU_WINDOW and
	GET_LARGEST_WINDOW.
	(Fget_lru_window, Fget_largest_window): Move to window.el.
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	* window.h: Extern window_body_cols instead of
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	window_box_text_cols.  delete_all_subwindows now takes a
	Lisp_Object as argument.
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	* indent.c (compute_motion, Fcompute_motion): Use
	window_body_cols instead of window_box_text_cols.

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	* frame.c (delete_frame): Call delete_all_subwindows with root
	window as argument.

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2011-06-07  Daniel Colascione  <dan.colascione@gmail.com>

	* fns.c (Fputhash): Document return value.

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2011-06-06  Chong Yidong  <cyd@stupidchicken.com>

	* image.c (gif_load): Implement gif89a spec "no disposal" method.

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2011-06-06  Paul Eggert  <eggert@cs.ucla.edu>
982

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Paul Eggert committed
983
	Cons<->int and similar integer overflow fixes (Bug#8794).
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984

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	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.

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	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.

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	* 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).

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	* fileio.c (Fverify_visited_file_modtime): Avoid time overflow
	if b->modtime has its maximal value.

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	* dired.c (Ffile_attributes): Don't assume EMACS_INT has >32 bits.

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	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.

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	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.

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2011-06-06  Stefan Monnier  <monnier@iro.umontreal.ca>

	* window.h (Fwindow_frame): Declare.

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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.

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2011-06-06  Martin Rudalics  <rudalics@gmx.at>

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	* lisp.h: Move EXFUNS for Fframe_root_window,
	Fframe_first_window and Fset_frame_selected_window to window.h.

	* window.h: Move EXFUNS for Fframe_root_window,
	Fframe_first_window and Fset_frame_selected_window here from
	lisp.h.

	* frame.c (Fwindow_frame, Fframe_first_window)
	(Fframe_root_window, Fframe_selected_window)
	(Fset_frame_selected_window): Move to window.c.
	(Factive_minibuffer_window): Move to minibuf.c.
	(Fother_visible_frames_p): New function.

	* minibuf.c (Factive_minibuffer_window): Move here from frame.c.

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	* window.c (decode_window, decode_any_window): Move up in code.
	(Fwindowp, Fwindow_live_p): Rewrite doc-strings.
	(inhibit_frame_unsplittable): Remove unused variable.
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	(Fwindow_buffer): Move up and rewrite doc-string.
	(Fwindow_parent, Fwindow_vchild, Fwindow_hchild, Fwindow_next)
	(Fwindow_prev): New functions.
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	(Fwindow_frame): Move here from frame.c.  Accept any window as
	argument.
	(Fframe_root_window, Fframe_first_window)
	(Fframe_selected_window): Move here from frame.c.  Accept frame
	or arbitrary window as argument.  Update doc-strings.
	(Fminibuffer_window): Move up in code.
	(Fwindow_minibuffer_p): Move up in code and simplify.
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	(Fset_frame_selected_window): Move here from frame.c.
	Marginal rewrite.
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	(Fselected_window, select_window, Fselect_window): Move up in
	code.  Minor doc-string fixes.
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2011-06-06  Paul Eggert  <eggert@cs.ucla.edu>

	* alloc.c (memory_full) [SYSTEM_MALLOC]: Port to MacOS (Bug#8800).
	Do not assume that spare memory exists; that assumption is valid
	only if SYSTEM_MALLOC.
	(LARGE_REQUEST): New macro, so that the issue of large requests
	is separated from the issue of spare memory.

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2011-06-05  Andreas Schwab  <schwab@linux-m68k.org>

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	* editfns.c (Fformat): Correctly handle zero flag with hexadecimal
	format.  (Bug#8806)

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	* gtkutil.c (xg_get_default_scrollbar_width): Avoid warning.

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	* xfns.c (x_set_scroll_bar_default_width): Move declarations
	before statements.

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2011-06-05  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (xg_get_default_scrollbar_width): New function.

	* gtkutil.h: Declare xg_get_default_scrollbar_width.

	* xfns.c (x_set_scroll_bar_default_width): If USE_GTK, get
	min width by calling x_set_scroll_bar_default_width (Bug#8505).

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2011-06-05  Juanma Barranquero  <lekktu@gmail.com>

	* xdisp.c (single_display_spec_intangible_p): Remove declaration.

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2011-06-04  Chong Yidong  <cyd@stupidchicken.com>

	* xselect.c (x_clipboard_manager_save): Remove redundant arg.
	(x_clipboard_manager_save): Add return value.
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	(x_clipboard_manager_error_1, x_clipboard_manager_error_2):
	New error handlers.
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	(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).
	(Vx_select_enable_clipboard_manager): New variable.
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	(x_get_foreign_selection): Reduce scope of x_catch_errors (Bug#8790).
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2011-06-04  Dan Nicolaescu  <dann@ics.uci.edu>
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	* emacs.c (main): Warn when starting a GTK emacs in daemon mode.

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2011-06-04  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
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	* fringe.c (update_window_fringes): Don't update overlay arrow bitmap
	in the current matrix if keep_current_p is non-zero.

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2011-06-04  Eli Zaretskii  <eliz@gnu.org>

	* bidi.c (bidi_level_of_next_char): Fix last change.

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2011-06-03  Eli Zaretskii  <eliz@gnu.org>

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	Support bidi reordering of text covered by display properties.
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	* bidi.c (bidi_copy_it): Use offsetof instead of emulating it.
	(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)
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	(bidi_level_of_next_char, bidi_move_to_visually_next):
	Support character positions inside a run of characters covered by a
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	display string.
	(bidi_paragraph_init, bidi_resolve_explicit_1)
	(bidi_level_of_next_char): Call bidi_fetch_char and
	bidi_fetch_char_advance instead of FETCH_CHAR and
	FETCH_CHAR_ADVANCE.
	(bidi_init_it): Initialize new members.
	(LRE_CHAR, RLE_CHAR, PDF_CHAR, LRO_CHAR, RLO_CHAR): Remove macro
	definitions.
	(bidi_explicit_dir_char): Lookup character type in bidi_type_table,
	instead of using explicit *_CHAR codes.
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	(bidi_resolve_explicit, bidi_resolve_weak):
	Use FETCH_MULTIBYTE_CHAR instead of FETCH_CHAR, as reordering of
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	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.
	(bidi_cache_iterator_state, bidi_resolve_explicit_1)
	(bidi_resolve_explicit, bidi_resolve_weak)
	(bidi_level_of_next_char, bidi_move_to_visually_next): Abort if
	bidi_it->nchars is non-positive.
	(bidi_level_of_next_char): Don't try to lookup the cache for the
	next/previous character if nothing is cached there yet, or if we
	were just reseat()'ed to a new position.
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	* xdisp.c (set_cursor_from_row): Set start and stop points
	according to the row's direction when priming the loop that looks
	for the glyph on which to display cursor.
	(single_display_spec_intangible_p): Function deleted.
	(display_prop_intangible_p): Reimplement to call
	handle_display_spec instead of single_display_spec_intangible_p.
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	Accept 3 additional arguments needed by handle_display_spec.
	This fixes incorrect cursor motion across display property with complex
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	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.
	(display_prop_string_p): Fix the condition for processing a
	property that is a list to be consistent with handle_display_spec.
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	(handle_display_spec): New function, refactored from the
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	last portion of handle_display_prop.
	(compute_display_string_pos): Accept additional argument
	FRAME_WINDOW_P.  Call handle_display_spec to determine whether the
	value of a `display' property is a "replacing spec".
	(handle_single_display_spec): Accept 2 additional arguments BUFPOS
	and FRAME_WINDOW_P.  If IT is NULL, don't set up the iterator from
	the display property, but just return a value indicating whether
	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.
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	(compute_display_string_pos, compute_display_string_end):
	New functions.
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	(push_it): Accept second argument POSITION, where pop_it should
	jump to continue iteration.
	(reseat_1): Initialize bidi_it.disp_pos.
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	* keyboard.c (adjust_point_for_property): Adjust the call to
	display_prop_intangible_p to its new signature.
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	* dispextern.h (struct bidi_it): New member frame_window_p.
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	(bidi_init_it): Update prototypes.
	(display_prop_intangible_p): Update prototype.
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	(compute_display_string_pos, compute_display_string_end):
	Declare prototypes.
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	(struct bidi_it): New members nchars and disp_pos.  ch_len is now
	EMACS_INT.
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2011-06-02  Paul Eggert  <eggert@cs.ucla.edu>
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	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.

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	Remove arbitrary limit of 2**31 entries in hash tables.  (Bug#8771)
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	* 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):
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	* minibuf.c (Ftry_completion, Fall_completions, Ftest_completion):
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	* print.c (print):  Use 'EMACS_UINT' and 'EMACS_INT'
	for hashes and hash indexes, instead of 'unsigned' and 'int'.
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	* alloc.c (allocate_vectorlike):
	Check for overflow in vector size calculations.
	* ccl.c (ccl_driver):
	Check for overflow when converting EMACS_INT to int.
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	* fns.c, image.c: Remove unnecessary static decls that would otherwise
	need to be updated by these changes.
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	* fns.c (make_hash_table, maybe_resize_hash_table):
	Check for integer overflow with large hash tables.
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	(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.
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	(MOST_NEGATIVE_FIXNUM, MOST_POSITIVE_FIXNUM, INTMASK):
	Rewrite to use FIXNUM_BITS, as this simplifies things.
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	(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.

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2011-06-01  Dan Nicolaescu  <dann@ics.uci.edu>

	Make it possible to build with GCC-4.6+ -O2 -flto.

	* emacs.c (__malloc_initialize_hook): Mark as EXTERNALLY_VISIBLE.

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2011-06-01  Stefan Monnier  <monnier@iro.umontreal.ca>

	* minibuf.c (get_minibuffer, read_minibuf_unwind):
	Call minibuffer-inactive-mode.

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2011-05-31  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in ($(BLD)/data.$(O), $(BLD)/editfns.$(O)):
	Update dependencies.

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2011-05-31  Dan Nicolaescu  <dann@ics.uci.edu>

	* data.c (init_data): Remove code for UTS, this system is not
	supported anymore.

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2011-05-31  Dan Nicolaescu  <dann@ics.uci.edu>

	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.

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2011-05-31  Dan Nicolaescu  <dann@ics.uci.edu>

	* dispnew.c (add_window_display_history): Use const for the string
	pointer.  Remove declaration, not needed.

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2011-05-31  Paul Eggert  <eggert@cs.ucla.edu>
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	Use 'inline', not 'INLINE'.
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	<http://lists.gnu.org/archive/html/emacs-devel/2011-05/msg00914.html>
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	* 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__.

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2011-05-31  Dan Nicolaescu  <dann@ics.uci.edu>

	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.

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2011-05-31  Stefan Monnier  <monnier@iro.umontreal.ca>

	* 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.

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2011-05-31  Paul Eggert  <eggert@cs.ucla.edu>

	* ccl.c (CCL_CODE_RANGE): Allow negative numbers.  (Bug#8751)
	(CCL_CODE_MIN): New macro.

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2011-05-30  Paul Eggert  <eggert@cs.ucla.edu>

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	* alloc.c (lisp_align_malloc): Omit unnecessary val==NULL tests.

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	* 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.

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2011-05-29  Chong Yidong  <cyd@stupidchicken.com>

	* image.c: Various fixes to ImageMagick code comments.
	(Fimagemagick_types): Doc fix.

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2011-05-29  Paul Eggert  <eggert@cs.ucla.edu>

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	Minor fixes prompted by GCC 4.6.0 warnings.

	* xselect.c (converted_selections, conversion_fail_tag): Now static.

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	* 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.

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