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2011-10-07  Paul Eggert  <eggert@cs.ucla.edu>

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	Integer width fixes.
	* alloc.c (pure_bytes_used_lisp, pure_bytes_used_non_lisp):
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	(allocate_vectorlike, buffer_memory_full, struct sdata, SDATA_SIZE)
	(string_bytes, check_sblock, allocate_string_data):
	(compact_small_strings, Fmake_bool_vector, make_string)
	(make_unibyte_string, make_multibyte_string)
	(make_string_from_bytes, make_specified_string)
	(allocate_vectorlike, Fmake_vector, find_string_data_in_pure)
	(make_pure_string, make_pure_c_string, make_pure_vector, Fpurecopy)
	(mark_vectorlike):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(allocate_pseudovector):
	Use int, not EMACS_INT, where int is wide enough.
	(inhibit_garbage_collection, Fgarbage_collect):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* bidi.c (bidi_mirror_char): Use EMACS_INT, not int, where
	int might not be wide enough.
	(bidi_cache_search, bidi_cache_find, bidi_init_it)
	(bidi_count_bytes, bidi_char_at_pos, bidi_fetch_char)
	(bidi_at_paragraph_end, bidi_find_paragraph_start)
	(bidi_paragraph_init, bidi_resolve_explicit, bidi_resolve_weak)
	(bidi_level_of_next_char, bidi_move_to_visually_next):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* buffer.c (copy_overlays, Fgenerate_new_buffer_name)
	(Fkill_buffer, Fset_buffer_major_mode)
	(advance_to_char_boundary, Fbuffer_swap_text)
	(Fset_buffer_multibyte, overlays_at, overlays_in)
	(overlay_touches_p, struct sortvec, record_overlay_string)
	(overlay_strings, recenter_overlay_lists)
	(adjust_overlays_for_insert, adjust_overlays_for_delete)
	(fix_start_end_in_overlays, fix_overlays_before, modify_overlay)
	(Fmove_overlay, Fnext_overlay_change, Fprevious_overlay_change)
	(Foverlay_recenter, last_overlay_modification_hooks_used)
	(report_overlay_modification, evaporate_overlays, enlarge_buffer_text):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(validate_region): Omit unnecessary test for b <= e, since
	that's guaranteed by the previous test.
	(adjust_overlays_for_delete): Avoid pos + length overflow.
	(Fmove_overlay, Fdelete_overlay, add_overlay_mod_hooklist)
	(report_overlay_modification):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Foverlays_at, Fnext_overlay_change, Fprevious_overlay_change):
	Omit pointer cast, which isn't needed anyway, and doesn't work
	after the EMACS_INT -> ptrdiff_t change.
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	(Fmove_overlay): Delete an evaporating overlay
	if it becomes empty after its bounds are adjusted to fit within
	its buffer.  Without this fix, in a nonempty buffer (let ((o
	(make-overlay 1 2))) (overlay-put o 'evaporate t) (move-overlay o 0 1))
	yields an empty overlay that has the evaporate property, which is
	not supposed to happen.  (Bug#9642)
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	* buffer.h: Adjust decls to match defn changes elsewhere.
	(struct buffer_text, struct buffer):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	Use EMACS_INT, not int, where int might not be wide enough.
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	* bytecode.c (unmark_byte_stack, exec_byte_code): Use ptrdiff_t,
	not int, to avoid needless 32-bit limit on 64-bit hosts.
	(exec_byte_code): Use tighter memory-full test, one that checks
	for alloca overflow.  Don't compute the address of the object just
	before an array, as that's not portable.  Use EMACS_INT, not
	ptrdiff_t or int, where ptrdiff_t or int might not be wide enough.
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	* callint.c (Fcall_interactively):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* callproc.c (call_process_kill, Fcall_process):
	Don't assume pid_t fits into an Emacs fixnum.
	(call_process_cleanup, Fcall_process, child_setup):
	Don't assume pid_t fits into int.
	(call_process_cleanup, Fcall_process, delete_temp_file)
	(Fcall_process_region):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Fcall_process): Simplify handling of volatile integers.
	Use int, not EMACS_INT, where int will do.
	* casefiddle.c (casify_object, casify_region, operate_on_word)
	(Fupcase_word, Fdowncase_word, Fcapitalize_word):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(casify_object): Avoid integer overflow when overallocating buffer.
	* casetab.c (set_identity, shuffle): Prefer int to unsigned when
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	either works.  Use lint_assume to convince GCC 4.6.1 that it's OK.
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	* category.c (Fchar_category_set): Don't assume fixnum fits in int.
	* category.h (CATEGORYP): Don't assume arg is nonnegative.
	* ccl.c (GET_CCL_INT): Remove; no longer needed, since the
	integers are now checked earlier.  All uses replaced with XINT.
	(ccl_driver):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	For CCL_MapSingle, check that content and value are in int range.
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	(ccl_driver, Fregister_code_conversion_map):
	Check that Vcode_version_map_vector is a vector.
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	(resolve_symbol_ccl_program): Check that vector header is in range.
	Always copy the vector, so that we can check its contents reliably
	now rather than having to recheck each instruction as it's being
	executed.  Check that vector words fit in 'int'.
	(ccl_get_compiled_code, Fregister_ccl_program)
	(Fregister_code_conversion_map): Use ptrdiff_t, not int, for
	program indexes, to avoid needless 32-bit limit on 64-bit hosts.
	(Fccl_execute, Fccl_execute_on_string): Check that initial reg
	contents are in range.
	(Fccl_execute_on_string): Check that status is in range.
	* ccl.h (struct ccl_program.idx): Now ptrdiff_t, not int.
	* character.c (char_resolve_modifier_mask, Fchar_resolve_modifiers):
	Accept and return EMACS_INT, not int, because callers can pass values
	out of 'int' range.
	(c_string_width, strwidth, lisp_string_width, chars_in_text)
	(multibyte_chars_in_text, parse_str_as_multibyte)
	(str_as_multibyte, count_size_as_multibyte, str_to_multibyte)
	(str_as_unibyte, str_to_unibyte, string_count_byte8)
	(string_escape_byte8, Fget_byte):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Funibyte_string): Use CHECK_CHARACTER, not CHECK_NATNUM, to
	avoid mishandling large integers.
	* character.h: Adjust decls to match defn changes elsewhere.
	* charset.c (load_charset_map_from_file, find_charsets_in_text)
	(Ffind_charset_region):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(load_charset_map_from_file): Redo idx calculation to avoid overflow.
	(load_charset_map_from_vector, Fdefine_charset_internal):
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	Don't assume fixnum fits in int.
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	(load_charset_map_from_vector, Fmap_charset_chars):
	Remove now-unnecessary CHECK_NATNUMs.
	(Fdefine_charset_internal): Check ranges here, more carefully.
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	Don't rely on undefined behavior with signed left shift overflow.
	Don't assume unsigned int fits into fixnum, or that fixnum fits
	into unsigned int.  Don't require max_code to be a valid fixnum;
	that's not true for gb10830 4-byte on a 32-bit host.  Allow
	invalid_code to be a cons, for the same reason.  Require code_offset
	to be a character.  Avoid int overflow if max_char is close
	to INT_MAX.
	(CODE_POINT_TO_INDEX): On 32-bit hosts, return int, not unsigned;
	this is intended anyway and avoids some undefined behavior.
	(load_charset_map): Pass unsigned, not int, as 2nd arg of
	INDEX_TO_CODE_POINT, as that's what it expects.
	(Funify_charset, encode_char): Don't stuff unsigned vals into int vars.
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	* charset.h (DECODE_CHAR): Return int, not unsigned;
	this is what was intended anyway, and it avoids undefined behavior.
	(CHARSET_OFFSET): Remove unused macro, instead of fixing its
	integer-overflow issues.
	(ENCODE_CHAR): Return unsigned on all hosts, not just on 32-bit hosts.
	Formerly, it returned EMACS_INT on 64-bit hosts in the common case
	where the argument is EMACS_INT, and this behavior is not intended.
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	* chartab.c (Fmake_char_table, Fset_char_table_range)
	(uniprop_get_decoder, uniprop_get_encoder):
	Don't assume fixnum fits in int.
	* cmds.c (move_point): New function, that does the gist of
	Fforward_char and Fbackward_char, but does so while checking
	for integer overflow more accurately.
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	(Fforward_char, Fbackward_char): Use it.
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	(Fforward_line, Fend_of_line, internal_self_insert)
	(internal_self_insert):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	Fix a FIXME, by checking for integer overflow when calculating
	target_clm and actual_clm.
	* coding.c (detect_coding_XXX, encode_coding_XXX, CODING_DECODE_CHAR)
	(ASSURE_DESTINATION, coding_alloc_by_realloc)
	(coding_alloc_by_making_gap, alloc_destination)
	(detect_coding_utf_8, encode_coding_utf_8, decode_coding_utf_16)
	(encode_coding_utf_16, detect_coding_emacs_mule)
	(decode_coding_emacs_mule, encode_coding_emacs_mule)
	(detect_coding_iso_2022, decode_coding_iso_2022)
	(encode_invocation_designation, encode_designation_at_bol)
	(encode_coding_iso_2022, detect_coding_sjis, detect_coding_big5)
	(decode_coding_sjis, decode_coding_big5, encode_coding_sjis)
	(encode_coding_big5, detect_coding_ccl, decode_coding_ccl)
	(encode_coding_ccl, encode_coding_raw_text)
	(detect_coding_charset, decode_coding_charset)
	(encode_coding_charset, detect_eol, decode_eol, produce_chars)
	(produce_composition, produce_charset, produce_annotation)
	(decode_coding, handle_composition_annotation)
	(handle_charset_annotation, consume_chars, decode_coding_gap)
	(decode_coding_object, encode_coding_object, detect_coding_system)
	(Ffind_coding_systems_region_internal, Fcheck_coding_systems_region)
	(code_convert_region, code_convert_string)
	(Fdefine_coding_system_internal):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(setup_iso_safe_charsets, consume_chars, Funencodable_char_position)
	(Fdefine_coding_system_internal):
	Don't assume fixnums fit in int.
	(decode_coding_gap, decode_coding_object, encode_coding_object)
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	(Fread_coding_system, Fdetect_coding_region)
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	(Funencodable_char_position, Fcheck_coding_systems_region)
	(get_translation, handle_composition_annotation, consume_chars):
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	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
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	(consume_chars): Rewrite to avoid calculating an address outside buffer.
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	(Ffind_operation_coding_system): NATNUMP can eval its arg twice.
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	Don't access memory outside of the args array.
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	(Fdefine_coding_system_internal): Check for charset-id overflow.
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	(ENCODE_ISO_CHARACTER): Use unsigned, not int, to store the unsigned
	result of ENCODE_CHAR.
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	* coding.h: Adjust decls to match defn changes elsewhere.
	(struct coding_system):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* composite.c (get_composition_id, find_composition)
	(run_composition_function, update_compositions)
	(compose_text, composition_gstring_put_cache)
	(composition_gstring_p, composition_gstring_width)
	(fill_gstring_header, fill_gstring_body, autocmp_chars)
	(composition_compute_stop_pos, composition_reseat_it)
	(composition_update_it, struct position_record)
	(find_automatic_composition, composition_adjust_point)
	(Fcomposition_get_gstring, Ffind_composition_internal):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(update_compositions):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* composite.h: Adjust decls to match defn changes elsewhere.
	(struct composition):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* data.c (let_shadows_buffer_binding_p, let_shadows_global_binding_p):
	Do not attempt to compute the address of the object just before a
	buffer; this is not portable.
	(Faref, Faset):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Faset): Use int, not EMACS_INT, where int is wide enough.
	(Fstring_to_number): Don't assume fixnums fit in int.
	(Frem): Don't assume arg is nonnegative.
	* dbusbind.c (xd_append_arg): Check for integers out of range.
	(Fdbus_call_method): Don't overflow the timeout int.
	* dired.c (directory_files_internal, file_name_completion, scmp)
	(file_name_completion_stat):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(file_name_completion): Don't overflow matchcount.
	(file_name_completion_stat): Use SAFE_ALLOCA, not alloca.
	* dispextern.h: Adjust decls to match defn changes elsewhere.
	(struct text_pos, struct glyph, struct bidi_saved_info)
	(struct bidi_string_data, struct bidi_it, struct composition_it)
	(struct it):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(struct display_pos, struct composition_it, struct it):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* dispnew.c (increment_matrix_positions)
	(increment_row_positions, mode_line_string)
	(marginal_area_string):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
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	(change_frame_size_1, Fredisplay, Fframe_or_buffer_changed_p):
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	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(duration_to_sec_usec): New function, to check for overflow better.
	(Fsleep_for, sit_for): Use it.
	* doc.c (get_doc_string, store_function_docstring):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(get_doc_string, Fsnarf_documentation):
	Use int, not EMACS_INT, where int is wide enough.
	(get_doc_string):
	Use SAFE_ALLOCA, not alloca.
	Check for overflow when converting EMACS_INT to off_t.
	* doprnt.c (doprnt):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* editfns.c (init_editfns, Fuser_uid, Fuser_real_uid):
	Don't assume uid_t fits into fixnum.
	(buildmark, Fgoto_char, overlays_around, find_field, Fdelete_field)
	(Ffield_string, Ffield_string_no_properties, Ffield_beginning)
	(Ffield_end, Fconstrain_to_field, Fline_beginning_position)
	(Fline_end_position, Fprevious_char, Fchar_after, Fchar_before)
	(general_insert_function)
	(Finsert_char, make_buffer_string, make_buffer_string_both)
	(update_buffer_properties, Fbuffer_substring)
	(Fbuffer_substring_no_properties, Fcompare_buffer_substrings)
	(Fsubst_char_in_region, check_translation)
	(Ftranslate_region_internal, save_restriction_restore, Fformat)
	(transpose_markers, Ftranspose_regions):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(clip_to_bounds): Move to lisp.h as an inline function).
	(Fconstrain_to_field): Don't assume integers are nonnegative.
	(Fline_beginning_position, Fsave_excursion, Fsave_current_buffer):
	(Fsubst_char_in_region, Fsave_restriction):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Femacs_pid): Don't assume pid_t fits into fixnum.
	(lo_time): Use int, not EMACS_INT, when int suffices.
	(lisp_time_argument): Check for usec out of range.
	(Fencode_time): Don't assume fixnum fits in int.
	* emacs.c (gdb_valbits, gdb_gctypebits): Now int, not EMACS_INT.
	(gdb_data_seg_bits): Now uintptr_t, not EMACS_INT.
	(PVEC_FLAG, gdb_array_mark_flag): Now ptrdiff_t, not EMACS_INT.
	(init_cmdargs, Fdump_emacs):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Fkill_emacs): Don't assume fixnum fits in int; instead, take just
	the bottom (typically) 32 bits of the fixnum.
	* eval.c (specpdl_size, call_debugger):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(when_entered_debugger, Fbacktrace_debug):
	Don't assume fixnum can fit in int.
	(Fdefvaralias, Fdefvar): Do not attempt to compute the address of
	the object just before a buffer; this is not portable.
	(FletX, Flet, Funwind_protect, do_autoload, Feval, funcall_lambda)
	(grow_specpdl, unbind_to):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Fapply, apply_lambda): Don't assume ptrdiff_t can hold fixnum.
	(grow_specpdl): Simplify allocation by using xpalloc.
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	(Fprog1, Fprog2): Don't assume list length fits in int.  Simplify.
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	* fileio.c (Ffind_file_name_handler, Fcopy_file, Frename_file)
	(Finsert_file_contents, Fwrite_region, Fdo_auto_save):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Ffind_file_name_handler, non_regular_inserted, Finsert_file_contents)
	(a_write, e_write):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fcopy_file, non_regular_nbytes, read_non_regular)
	(Finsert_file_contents):
	Use int, not EMACS_INT, where int is wide enough.
	(READ_BUF_SIZE): Verify that it fits in int.
	(Finsert_file_contents): Check that counts are in proper range,
	rather than assuming fixnums fit into ptrdiff_t etc.
	Don't assume fixnums fit into int.
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	* floatfns.c (Fexpt): Avoid undefined signed * signed overflow.
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	* fns.c (Fcompare_strings, Fstring_lessp, struct textprop_rec, concat)
	(string_char_byte_cache_charpos, string_char_byte_cache_bytepos)
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	(string_char_to_byte, string_byte_to_char)
	(string_make_multibyte, string_to_multibyte)
	(string_make_unibyte, Fstring_as_unibyte, Fstring_as_multibyte)
	(Fstring_to_unibyte, Fsubstring, Fsubstring_no_properties)
	(substring_both, Fdelete, internal_equal, Ffillarray)
	(Fclear_string, mapcar1)
	(Fbase64_encode_region, Fbase64_encode_string, base64_encode_1)
	(Fbase64_decode_region, Fbase64_decode_string, base64_decode_1)
	(larger_vector, make_hash_table, maybe_resize_hash_table)
	(hash_lookup, hash_remove_from_table, hash_clear, sweep_weak_table)
	(Fmaphash, secure_hash):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(concat): Check for string index and length overflow.
	(Fmapconcat): Don't assume fixnums fit into ptrdiff_t.
	(Frequire):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(larger_vector): New API (vec, incr_min, size_max) replaces old
	one (vec, new_size, init).  This catches size overflow.
	INIT was removed because it was always Qnil.
	All callers changed.
	(INDEX_SIZE_BOUND): New macro, which calculates more precisely
	the upper bound on a hash table index size.
	(make_hash_table, maybe_resize_hash_table): Use it.
	(secure_hash): Computer start_byte and end_byte only after
	they're known to be in ptrdiff_t range.
	* font.c (font_intern_prop, font_at, font_range, Ffont_shape_gstring)
	(Ffont_get_glyphs, Ffont_at):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(font_style_to_value, font_prop_validate_style, font_expand_wildcards)
	(Flist_fonts, Fopen_font):
	Don't assume fixnum can fit in int.
	(check_gstring): Don't assume index can fit in int.
	(font_match_p): Check that fixnum is a character, not a nonnegative
	fixnum, since the later code needs to stuff it into an int.
	(font_find_for_lface): Use SAFE_ALLOCA_LISP, not alloca.
	(font_fill_lglyph_metrics): Use unsigned, not EMACS_INT, to avoid
	conversion overflow issues.
	(Fopen_font): Check for integer out of  range.
	(Ffont_get_glyphs): Don't assume index can fit in int.
	* font.h: Adjust decls to match defn changes elsewhere.
	* fontset.c (reorder_font_vector): Redo score calculation to avoid
	integer overflow.
	(num_auto_fontsets, fontset_from_font): Use ptrdiff_t, not
	printmax_t, where ptrdiff_t is wide enough.
	(Finternal_char_font):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* frame.c (Fset_mouse_position, Fset_mouse_pixel_position)
	(Fset_frame_height, Fset_frame_width, Fset_frame_size)
	(Fset_frame_position, x_set_frame_parameters)
	(x_set_line_spacing, x_set_border_width)
	(x_set_internal_border_width, x_set_alpha, x_figure_window_size):
	Check that fixnums are in proper range for system types.
	(frame_name_fnn_p, Fframe_parameter, Fmodify_frame_parameters):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fmodify_frame_parameters): Don't assume fixnum fits in int.
	Use SAFE_ALLOCA_LISP, not alloca.
	* frame.h (struct frame): Use intptr_t, not EMACS_INT, where
	intptr_t is wide enough.
	* fringe.c (lookup_fringe_bitmap, get_logical_fringe_bitmap)
	(Fdefine_fringe_bitmap): Don't assume fixnum fits in int.
	(Ffringe_bitmaps_at_pos): Don't assume index fits in int.
	Check for fixnum out of range.
	* ftfont.c (ftfont_list): Don't assume index fits in int.
	Check that fixnums are in proper range for system types.
	(ftfont_shape_by_flt):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* gnutls.c (emacs_gnutls_write, emacs_gnutls_read):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fgnutls_error_fatalp, Fgnutls_error_string, Fgnutls_boot):
	Check that fixnums are in proper range for system types.
	* gnutls.h: Adjust decls to match defn changes elsewhere.
	* gtkutil.c (xg_dialog_run):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(update_frame_tool_bar):
	Check that fixnums are in proper range for system types.
	* image.c (parse_image_spec): Redo count calculation to avoid overflow.
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	(lookup_image): Check that fixnums are in range for system types.
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	* indent.c (last_known_column, last_known_column_point):
	(current_column_bol_cache):
	(skip_invisible, current_column, check_display_width):
	(check_display_width, scan_for_column, current_column_1)
	(Findent_to, Fcurrent_indentation, position_indentation)
	(indented_beyond_p, Fmove_to_column, compute_motion):
	(Fcompute_motion, Fvertical_motion):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(last_known_column_modified): Use EMACS_INT, not int.
	(check_display_width):
	(Fcompute_motion):
	Check that fixnums and floats are in proper range for system types.
	(compute_motion): Don't assume index or fixnum fits in int.
	(compute_motion, Fcompute_motion):
	Use int, not EMACS_INT, when it is wide enough.
	(vmotion): Omit local var start_hpos that is always 0; that way
	we don't need to worry about overflow in expressions involving it.
	* indent.h: Adjust decls to match defn changes elsewhere.
	(struct position):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	Use int, not EMACS_INT, where int is wide enough.
	Remove unused members ovstring_chars_done and tab_offset;
	all uses removed.
	* insdel.c (move_gap, move_gap_both, gap_left, gap_right)
	(adjust_markers_for_delete, adjust_markers_for_insert, adjust_point)
	(adjust_markers_for_replace, make_gap_larger, make_gap_smaller)
	(make_gap, copy_text, insert, insert_and_inherit)
	(insert_before_markers, insert_before_markers_and_inherit)
	(insert_1, count_combining_before, count_combining_after)
	(insert_1_both, insert_from_string)
	(insert_from_string_before_markers, insert_from_string_1)
	(insert_from_gap, insert_from_buffer, insert_from_buffer_1)
	(adjust_after_replace, adjust_after_insert, replace_range)
	(replace_range_2, del_range, del_range_1, del_range_byte)
	(del_range_both, del_range_2, modify_region)
	(prepare_to_modify_buffer, signal_before_change)
	(signal_after_change, Fcombine_after_change_execute):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* intervals.c (traverse_intervals, rotate_right, rotate_left)
	(balance_an_interval, split_interval_right, split_interval_left)
	(find_interval, next_interval, update_interval)
	(adjust_intervals_for_insertion, delete_node, delete_interval)
	(interval_deletion_adjustment, adjust_intervals_for_deletion)
	(static_offset_intervals, offset_intervals)
	(merge_interval_right, merge_interval_left, make_new_interval)
	(graft_intervals_into_buffer, temp_set_point_both)
	(temp_set_point, set_point, adjust_for_invis_intang)
	(set_point_both, move_if_not_intangible, get_property_and_range)
	(get_local_map, copy_intervals, copy_intervals_to_string)
	(compare_string_intervals, set_intervals_multibyte_1):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* intervals.h: Adjust decls to match defn changes elsewhere.
	(struct interval):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* keyboard.c (this_command_key_count, this_single_command_key_start)
	(before_command_key_count, before_command_echo_length, echo_now)
	(echo_length, recursive_edit_1, Frecursive_edit, Ftrack_mouse)
	(command_loop_1, safe_run_hooks, read_char, timer_check_2)
	(menu_item_eval_property, read_key_sequence, Fread_key_sequence)
	(Fread_key_sequence_vector, Fexecute_extended_command, Fsuspend_emacs):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(last_non_minibuf_size, last_point_position, echo_truncate)
	(command_loop_1, adjust_point_for_property, read_char, gen_help_event)
	(make_lispy_position, make_lispy_event, parse_modifiers_uncached)
	(parse_modifiers, modify_event_symbol, Fexecute_extended_command)
	(stuff_buffered_input):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(last_auto_save, command_loop_1, read_char):
	Use EMACS_INT, not int, to avoid integer overflow.
	(record_char): Avoid overflow in total_keys computation.
	(parse_modifiers_uncached): Redo index calculation to avoid overflow.
	* keyboard.h: Adjust decls to match defn changes elsewhere.
	* keymap.c (Fdefine_key, Fcurrent_active_maps, accessible_keymaps_1)
	(Fkey_description, Fdescribe_vector, Flookup_key):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(click_position): New function, to check that positions are in range.
	(Fcurrent_active_maps):
	(describe_command):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Faccessible_keymaps, Fkey_description):
	(preferred_sequence_p):
	Don't assume fixnum can fit into int.
	(Fkey_description): Use SAFE_ALLOCA_LISP, not alloca.
	Check for integer overflow in size calculations.
	(Ftext_char_description): Use CHECK_CHARACTER, not CHECK_NUMBER, to
	avoid mishandling large integers.
	* lisp.h: Adjust decls to match defn changes elsewhere.
	(ARRAY_MARK_FLAG, PSEUDOVECTOR_FLAG, struct Lisp_String)
	(struct vectorlike_header, struct Lisp_Subr, struct Lisp_Hash_Table)
	(struct Lisp_Marker):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(clip_to_bounds): Now an inline function, moved here from editfns.c.
	(GLYPH_CODE_P): Check for overflow in system types, subsuming the
	need for GLYPH_CODE_CHAR_VALID_P and doing proper checking ourselves.
	All callers changed.
	(GLYPH_CODE_CHAR, GLYPH_CODE_FACE):
	Assume the arg has valid form, since it always does.
	(TYPE_RANGED_INTEGERP): Avoid bug when checking against a wide
	unsigned integer system type.
	(CHECK_RANGED_INTEGER, CHECK_TYPE_RANGED_INTEGER): New macros.
	(struct catchtag, specpdl_size, SPECPDL_INDEX, USE_SAFE_ALLOCA):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(struct catchtag): Use EMACS_INT, not int, since it may be a fixnum.
	(duration_to_sec_usec): New decl.
	* lread.c (read_from_string_index, read_from_string_index_byte)
	(read_from_string_limit, readchar, unreadchar, openp)
	(read_internal_start, read1, oblookup):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fload, readevalloop, Feval_buffer, Feval_region):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(openp): Check for out-of-range argument to 'access'.
	(read1): Use int, not EMACS_INT, where int is wide enough.
	Don't assume fixnum fits into int.
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	(read_filtered_event): Use duration_to_sec_usec
	to do proper overflow checking on durations.
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	* macros.c (Fstart_kbd_macro): Use xpalloc to check for overflow
	in size calculation.
	(Fexecute_kbd_macro):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* marker.c (cached_charpos, cached_bytepos, CONSIDER)
	(byte_char_debug_check, buf_charpos_to_bytepos, verify_bytepos)
	(buf_bytepos_to_charpos, Fset_marker, set_marker_restricted)
	(set_marker_both, set_marker_restricted_both, marker_position)
	(marker_byte_position, Fbuffer_has_markers_at):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fset_marker, set_marker_restricted): Don't assume fixnum fits in int.
	* menu.c (ensure_menu_items): Renamed from grow_menu_items.
	It now merely ensures that the menu is large enough, without
	necessarily growing it, as this avoids some integer overflow issues.
	All callers changed.
	(keymap_panes, parse_single_submenu, Fx_popup_menu):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(parse_single_submenu, Fx_popup_menu): Don't assume fixnum fits in int.
	Use SAFE_ALLOCA_LISP, not alloca.
	(find_and_return_menu_selection): Avoid unnecessary casts of pointers
	to EMACS_INT.  Check that fixnums are in proper range for system types.
	* minibuf.c (minibuf_prompt_width, string_to_object)
	(Fminibuffer_contents, Fminibuffer_contents_no_properties)
	(Fminibuffer_completion_contents, Ftry_completion, Fall_completions):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(get_minibuffer, read_minibuf_unwind):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(read_minibuf): Omit unnecessary arg BACKUP_N, which is always nil;
	this simplifies overflow checking.  All callers changed.
	(read_minibuf, Fread_buffer, Ftry_completion, Fall_completions)
	(Ftest_completion):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* nsfns.m (check_ns_display_info): Don't assume fixnum fits in long.
	(x_set_menu_bar_lines, x_set_tool_bar_lines, Fx_create_frame):
	Check that fixnums are in proper range for system types.
	(Fx_create_frame, Fx_show_tip):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* nsfont.m (ns_findfonts, nsfont_list_family):
	Don't assume fixnum fits in long.
	* nsmenu.m (ns_update_menubar, ns_menu_show, ns_popup_dialog):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(ns_update_menubar): Use intptr_t, not EMACS_INT, when intptr_t is
	wide enough.
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	* nsselect.m (ns_get_local_selection, clean_local_selection_data):
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	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* print.c (print_buffer_size, print_buffer_pos, print_buffer_pos_byte)
	(PRINTDECLARE, PRINTPREPARE):
	(strout, print_string):
	(print, print_preprocess, print_check_string_charset_prop)
	(print_object):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(PRINTDECLARE):
	(temp_output_buffer_setup, Fprin1_to_string, print_object):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(PRINTPREPARE): Use int, not ptrdiff_t, where int is wide enough.
	(PRINTFINISH): Use SAFE_ALLOCA, not alloca.
	(printchar, strout): Use xpalloc to catch size calculation overflow.
	(Fexternal_debugging_output): Use CHECK_CHARACTER, not CHECK_NUMBER,
	to avoid mishandling large integers.
	(print_error_message): Use SAFE_ALLOCA, not alloca.
	(print_object): Use int, not EMACS_INT, where int is wide enough.
	* process.c (Fdelete_process): Don't assume pid fits into EMACS_INT.
	(Fset_process_window_size, Fformat_network_address)
	(get_lisp_to_sockaddr_size, set_socket_option, Fmake_network_process)
	(Fsignal_process, sigchld_handler):
	Check that fixnums are in proper range for system types.
	(Fformat_network_address, read_process_output, send_process)
	(Fprocess_send_region, status_notify):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fformat_network_address, Fmake_serial_process, Fmake_network_process)
	(wait_reading_process_output, read_process_output, exec_sentinel):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(conv_lisp_to_sockaddr): Don't assume fixnums fit into int.
	(Faccept_process_output): Use duration_to_sec_usec to do proper
	overflow checking on durations.
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	* puresize.h (PURESIZE_RATIO): Shrink this to 8/6 on 32-bit hosts
	configured --with-wide-int.
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	* scroll.c (calculate_scrolling, calculate_direct_scrolling)
	(line_ins_del): Use int, not EMACS_INT, where int is wide enough.
	* search.c (looking_at_1, string_match_1):
	(fast_string_match, fast_c_string_match_ignore_case)
	(fast_string_match_ignore_case, fast_looking_at, scan_buffer)
	(scan_newline, find_before_next_newline, search_command)
	(trivial_regexp_p, search_buffer, simple_search, boyer_moore)
	(set_search_regs, wordify):
	(Freplace_match):
	(Fmatch_data):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(string_match_1, search_buffer, set_search_regs):
	(Fmatch_data):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(wordify): Check for overflow in size calculation.
	(Freplace_match): Avoid potential buffer overflow in search_regs.start.
	(Fset_match_data): Don't assume fixnum fits in ptrdiff_t.
	Check that fixnums are in proper range for system types.
	* sound.c (struct sound_device)
	(wav_play, au_play, vox_write, alsa_period_size, alsa_write):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fplay_sound_internal):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* syntax.c (ST_COMMENT_STYLE, ST_STRING_STYLE):
	In definitions, make it clearer that these values must be out of range
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	for the respective integer ranges.  This fixes a bug with
	ST_STRING_STYLE and non-ASCII characters.
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	(struct lisp_parse_state, find_start_modiff)
	(Finternal_describe_syntax_value, scan_lists, scan_sexps_forward):
	(Fparse_partial_sexp):
	Don't assume fixnums can fit in int.
	(struct lisp_parse_state, find_start_pos, find_start_value)
	(find_start_value_byte, find_start_begv)
	(update_syntax_table, char_quoted, dec_bytepos)
	(find_defun_start, prev_char_comend_first, back_comment):
	(scan_words, skip_chars, skip_syntaxes, forw_comment, Fforward_comment)
	(scan_lists, Fbackward_prefix_chars, scan_sexps_forward):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Finternal_describe_syntax_value): Check that match_lisp is a
	character, not an integer, since the code stuffs it into int.
	(scan_words, scan_sexps_forward):
	Check that fixnums are in proper range for system types.
	(Fforward_word):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(scan_sexps_forward):
	Use CHARACTERP, not INTEGERP, since the value must fit into int.
	(Fparse_partial_sexp): Fix doc; element 8 is not ignored.
	* syntax.h: Adjust decls to match defn changes elsewhere.
	(struct gl_state_s):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* sysdep.c (wait_for_termination_1, wait_for_termination)
	(interruptible_wait_for_termination, mkdir):
	Don't assume pid_t fits in int; on 64-bit AIX pid_t is 64-bit.
	(emacs_read, emacs_write):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(system_process_attributes): Don't assume uid_t, gid_t, and
	double all fit in int or even EMACS_INT.
	* term.c (set_tty_color_mode):
	Check that fixnums are in proper range for system types.
	* termhooks.h (struct input_event):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* textprop.c (validate_interval_range, interval_of)
	(Fadd_text_properties, set_text_properties_1)
	(Fremove_text_properties, Fremove_list_of_text_properties)
	(Ftext_property_any, Ftext_property_not_all)
	(copy_text_properties, text_property_list, extend_property_ranges)
	(verify_interval_modification):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fnext_single_char_property_change)
	(Fprevious_single_char_property_change):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
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	(copy_text_properties):
	Check for integer overflow in index calculation.
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	* undo.c (last_boundary_position, record_point, record_insert)
	(record_delete, record_marker_adjustment, record_change)
	(record_property_change):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(truncate_undo_list, Fprimitive_undo): Don't assume fixnum fits in int.
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* w32fns.c (Fx_create_frame, x_create_tip_frame, Fx_show_tip)
	(Fx_hide_tip, Fx_file_dialog):
	* w32menu.c (set_frame_menubar):
	Use ptrdiff_t, not int, for consistency with rest of code.
	* window.c (window_scroll_preserve_hpos, window_scroll_preserve_vpos)
	(select_window, Fdelete_other_windows_internal)
	(window_scroll_pixel_based, window_scroll_line_based)
	(Frecenter, Fset_window_configuration):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(Fset_window_hscroll, run_window_configuration_change_hook)
	(set_window_buffer, temp_output_buffer_show, scroll_command)
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	(Fscroll_other_window, Frecenter):
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	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Fwindow_line_height, window_scroll, Fscroll_left, Fscroll_right):
	Don't assume fixnum fits in int.
	(Fset_window_scroll_bars):
	Check that fixnums are in proper range for system types.
	* xdisp.c (help_echo_pos, pos_visible_p, string_pos_nchars_ahead)
	(string_pos, c_string_pos, number_of_chars, init_iterator)
	(in_ellipses_for_invisible_text_p, init_from_display_pos)
	(compute_stop_pos, next_overlay_change, compute_display_string_pos)
	(compute_display_string_end, handle_face_prop)
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	(face_before_or_after_it_pos, handle_invisible_prop)
	(handle_display_prop, handle_display_spec, handle_single_display_spec)
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	(display_prop_intangible_p, string_buffer_position_lim)
	(string_buffer_position, handle_composition_prop, load_overlay_strings)
	(get_overlay_strings_1, get_overlay_strings)
	(iterate_out_of_display_property, forward_to_next_line_start)
	(back_to_previous_visible_line_start, reseat, reseat_to_string)
	(get_next_display_element, set_iterator_to_next)
	(get_visually_first_element, compute_stop_pos_backwards)
	(handle_stop_backwards, next_element_from_buffer)
	(move_it_in_display_line_to, move_it_in_display_line)
	(move_it_to, move_it_vertically_backward, move_it_by_lines)
	(add_to_log, message_dolog, message_log_check_duplicate)
	(message2, message2_nolog, message3, message3_nolog
	(with_echo_area_buffer, display_echo_area_1, resize_mini_window_1)
	(current_message_1, truncate_echo_area, truncate_message_1)
	(set_message, set_message_1, store_mode_line_noprop)
	(hscroll_window_tree, debug_delta, debug_delta_bytes, debug_end_vpos)
	(text_outside_line_unchanged_p, check_point_in_composition)
	(reconsider_clip_changes)
	(redisplay_internal, set_cursor_from_row, try_scrolling)
	(try_cursor_movement, set_vertical_scroll_bar, redisplay_window)
	(redisplay_window, find_last_unchanged_at_beg_row)
	(find_first_unchanged_at_end_row, row_containing_pos, try_window_id)
	(trailing_whitespace_p, find_row_edges, display_line)
	(RECORD_MAX_MIN_POS, Fcurrent_bidi_paragraph_direction)
	(display_mode_element, store_mode_line_string)
	(pint2str, pint2hrstr, decode_mode_spec)
	(display_count_lines, display_string, draw_glyphs)
	(x_produce_glyphs, x_insert_glyphs)
	(rows_from_pos_range, mouse_face_from_buffer_pos)
	(fast_find_string_pos, mouse_face_from_string_pos)
	(note_mode_line_or_margin_highlight, note_mouse_highlight):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(safe_call, init_from_display_pos, handle_fontified_prop)
	(handle_single_display_spec, load_overlay_strings)
	(with_echo_area_buffer, setup_echo_area_for_printing)
	(display_echo_area, echo_area_display)
	(x_consider_frame_title, prepare_menu_bars, update_menu_bar)
	(update_tool_bar, hscroll_window_tree, redisplay_internal)
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	(redisplay_window, dump_glyph_row, display_mode_line)
	(Fformat_mode_line, decode_mode_spec, on_hot_spot_p):
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	(handle_display_spec, display_prop_string_p):
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	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(handle_single_display_spec, build_desired_tool_bar_string)
	(redisplay_tool_bar, scroll_window_tree, Fdump_glyph_matrix)
	(get_specified_cursor_type):
	Check that fixnums are in proper range for system types.
	(struct overlay_entry, resize_mini_window, Fdump_glyph_row)
	(Flookup_image_map):
	Don't assume fixnums fit in int.
	(compare_overlay_entries):
	Avoid mishandling comparisons due to subtraction overflow.
	(load_overlay_strings): Use SAFE_NALLOCA, not alloca.
	(last_escape_glyph_face_id, last_glyphless_glyph_face_id):
	(handle_tool_bar_click):
	Use int, not unsigned, since we prefer signed and the signedness
	doesn't matter here.
	(get_next_display_element, next_element_from_display_vector):
	Use int, not EMACS_INT, when int is wide enough.
	(start_hourglass): Use duration_to_sec_usec to do proper
	overflow checking on durations.
	* xfaces.c (Fbitmap_spec_p):
	Check that fixnums are in proper range for system types.
	(compare_fonts_by_sort_order):
	Avoid mishandling comparisons due to subtraction overflow.
	(Fx_family_fonts, realize_basic_faces):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Fx_family_fonts):
	Don't assume fixnum fits in int.
	Use SAFE_ALLOCA_LISP, not alloca.
	(merge_face_heights): Remove unnecessary cast to EMACS_INT.
	(Finternal_make_lisp_face): Don't allocate more than MAX_FACE_ID.
	(face_at_buffer_position, face_for_overlay_string)
	(face_at_string_position):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	(merge_faces): Use int, not EMACS_INT, where int is wide enough.
	* xfns.c (x_set_menu_bar_lines, x_set_tool_bar_lines, x_icon_verify)
	(Fx_show_tip):
	Check that fixnums are in proper range for system types.
	(Fx_create_frame, x_create_tip_frame, Fx_show_tip)
	(Fx_hide_tip, Fx_file_dialog, Fx_select_font):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(Fx_change_window_property): Don't assume fixnums fit in int.
	* xfont.c (xfont_chars_supported):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* xmenu.c (Fx_popup_dialog, set_frame_menubar)
	(create_and_show_popup_menu, create_and_show_dialog, xmenu_show):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* xml.c (parse_region):
	* xrdb.c (magic_file_p):
	Use ptrdiff_t, not EMACS_INT, where ptrdiff_t is wide enough.
	* xselect.c (TRACE1): Don't assume pid_t promotes to int.
	(x_get_local_selection, x_reply_selection_request)
	(x_handle_selection_request, wait_for_property_change):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	(selection_data_to_lisp_data): Use short, not EMACS_INT, where
	short is wide enough.
	(x_send_client_event): Don't assume fixnum fits in int.
	* xterm.c (x_x_to_emacs_modifiers):
	Don't assume EMACS_INT overflows nicely into int.
	(x_emacs_to_x_modifiers): Use EMACS_INT, not int, because values
	may come from Lisp.
	(handle_one_xevent): NATNUMP can eval its arg twice.
	(x_connection_closed):
	Use ptrdiff_t, not int, to avoid needless 32-bit limit on 64-bit hosts.
	* xterm.h: Adjust decls to match defn changes elsewhere.
	(struct scroll_bar): Use struct vectorlike_header
	rather than rolling our own approximation.
	(SCROLL_BAR_VEC_SIZE): Remove; not used.

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2011-10-07  Stefan Monnier  <monnier@iro.umontreal.ca>

	* buffer.c (syms_of_buffer) <enable-multibyte-characters>: Don't
	advertise functionality which we discourage or doesn't work.

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2011-10-07  Paul Eggert  <eggert@cs.ucla.edu>

	* alloc.c (GC_LISP_OBJECT_ALIGNMENT): Use offsetof, not __alignof__
	or sizeof.  __alignof__ gives the wrong answer on Fedora x86-64
	with GCC 4.6.1 when configured with CC='gcc -m32' --with-wide-int;
	this makes Emacs dump core during garbage collection on rare
	occasions.  sizeof is obviously inferior to offsetof here, so
	stick with offsetof.
	(GC_POINTER_ALIGNMENT): New macro.
	(mark_memory): Omit 3rd (offset) arg; caller changed.
	Don't assume EMACS_INT alignment is the same as pointer alignment.

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2011-10-03  Stefan Monnier  <monnier@iro.umontreal.ca>

	* keyboard.c (read_key_sequence_remapped): New var.
	(read_key_sequence): Compute remapping in the right buffer.
	(command_loop_1): Use read_key_sequence's remapping directly.

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2011-10-02  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* dired.c (file_name_completion): Don't expand file name.
	(Ffile_name_completion, Ffile_name_all_completions): Expand file name
	before checking file name handler.

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	* minibuf.c (Finternal_complete_buffer): Only show internal buffers if
	they've been requested explicitly (bug#9591).

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2011-10-01  Andreas Schwab  <schwab@linux-m68k.org>
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	* keymap.c (Fsingle_key_description): Use make_specified_string
	instead of build_string to build string from push_key_description.
	(Bug#5193)

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2011-09-30  Paul Eggert  <eggert@cs.ucla.edu>

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	* buffer.h (struct buffer): Use time_t, not int, for a time stamp.
	This fixes a Y2038 bug on 64-bit hosts.
	* buffer.c (reset_buffer):
	* fileio.c (Fdo_auto_save, Fset_buffer_auto_saved)
	(Fclear_buffer_auto_save_failure):
	Use 0, not -1, to represent an unset failure time, since time_t
	might not be signed.

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	Remove dependency on glibc malloc internals.
	* alloc.c (XMALLOC_OVERRUN_CHECK_OVERHEAD, XMALLOC_OVERRUN_CHECK_SIZE):
	Move back here from lisp.h, but with their new implementations.
	(XMALLOC_BASE_ALIGNMENT, COMMON_MULTIPLE, XMALLOC_HEADER_ALIGNMENT)
	(XMALLOC_OVERRUN_SIZE_SIZE): Move these new lisp.h macros here.
	* charset.c (charset_table_init): New static var.
	(syms_of_charset): Use it instead of xmalloc.  This removes a
	dependency on glibc malloc internals.  See Eli Zaretskii's comment in
	<http://lists.gnu.org/archive/html/emacs-devel/2011-09/msg00815.html>.
	* lisp.h (XMALLOC_OVERRUN_CHECK_OVERHEAD, XMALLOC_OVERRUN_CHECK_SIZE):
	Move back to alloc.c.
	(XMALLOC_BASE_ALIGNMENT, COMMON_MULTIPLE, XMALLOC_HEADER_ALIGNMENT)
	(XMALLOC_OVERRUN_SIZE_SIZE): Move to alloc.c.

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2011-09-30  Jan Djärv  <jan.h.d@swipnet.se>

	* nsterm.m (windowDidResize): Call x_set_window_size only when
	ns_in_resize is true.  Otherwise set pixelwidth/height and
	call change_frame_size (Bug#9628).

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2011-09-30  Paul Eggert  <eggert@cs.ucla.edu>

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	Port --enable-checking=all to Fedora 14 x86-64.
	* charset.c (syms_of_charset): Also account for glibc malloc's
	internal overhead when calculating the initial malloc maximum.

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	Port --enable-checking=all to Fedora 14 x86.
	* alloc.c (XMALLOC_OVERRUN_CHECK_OVERHEAD, XMALLOC_OVERRUN_CHECK_SIZE):
	Move to lisp.h.
	(xmalloc_put_size, xmalloc_get_size, overrun_check_malloc)
	(overrun_check_realloc, overrun_check_free):
	Use XMALLOC_OVERRUN_SIZE_SIZE, not sizeof (size_t).
	That way, xmalloc returns a properly-aligned pointer even if
	XMALLOC_OVERRUN_CHECK is defined.  The old debugging code happened
	to align OK on typical 64-bit hosts, but not on Fedora 14 x86.
	* charset.c (syms_of_charset): Take XMALLOC_OVERRUN_CHECK_OVERHEAD
	into account when calculating the initial malloc maximum.
	* lisp.h (XMALLOC_OVERRUN_CHECK_OVERHEAD, XMALLOC_OVERRUN_CHECK_SIZE):
	Move here from alloc.c, so that charset.c can use it too.
	Properly align; the old code wasn't right for common 32-bit hosts
	when configured with --enable-checking=all.
	(XMALLOC_BASE_ALIGNMENT, COMMON_MULTIPLE, XMALLOC_HEADER_ALIGNMENT)
	(XMALLOC_OVERRUN_SIZE_SIZE): New macros.

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2011-09-29  Eli Zaretskii  <eliz@gnu.org>

878
	* sysdep.c (snprintf) [!EOVERFLOW]: If EOVERFLOW is not defined,
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	use EDOM.

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2011-09-28  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (compute_display_string_end): If there's no display
	string at CHARPOS, return -1.

	* bidi.c (bidi_fetch_char): When compute_display_string_end
	returns a negative value, treat the character as a normal
	character not covered by a display string.  (Bug#9624)

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2011-09-28  Juanma Barranquero  <lekktu@gmail.com>

	* lread.c (Fread_from_string): Fix typo in docstring.

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2011-09-27  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (handle_invisible_prop): If invisible text ends on a
	newline, reseat the iterator instead of bidi-iterating there one
	character at a time.  (Bug#9610)
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	(BUFFER_POS_REACHED_P, move_it_in_display_line_to): Bail when past
	TO_CHARPOS if the bidi iterator is at base embedding level.
901

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2011-09-27  Andreas Schwab  <schwab@linux-m68k.org>

	* lread.c (readevalloop): Use correct code for NBSP.
	(read1): Likewise.  (Bug#9608)

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2011-09-25  Michael Albinus  <michael.albinus@gmx.de>

	* dbusbind.c (Fdbus_register_signal): When service is not
	registered, use nil in Vdbus_registered_objects_table.  (Bug#9581)

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2011-09-25  Glenn Morris  <rgm@gnu.org>

	* buffer.c (truncate-lines): Doc fix.

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2011-09-24  Chong Yidong  <cyd@stupidchicken.com>

	* window.c (Fwindow_prev_buffers, Fset_window_prev_buffers)
	(Fset_window_next_buffers): Doc fix.

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2011-09-24  Glenn Morris  <rgm@gnu.org>

	* minibuf.c (read_minibuf): Disable line truncation.  (Bug#5715)

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2011-09-24  Paul Eggert  <eggert@cs.ucla.edu>

927 928
	Fix minor problems found by static checking.
	* xdisp.c (string_from_display_spec): Don't assume vecsize fits in int.
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	* indent.c (Fvertical_motion): Fix == vs = typo.

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2011-09-24  Eli Zaretskii  <eliz@gnu.org>

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	* dispnew.c (syms_of_display) <redisplay-dont-pause>:
	Default value is now t.  Doc fix.
935

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	* indent.c (Fvertical_motion): Compute and apply the overshoot
937
	logic when moving up, not only when moving down.  Fix the
938
	confusing name and values of the it_overshoot_expected variable;
939
	logic changes accordingly.  (Bug#9254) (Bug#9549)
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	* xdisp.c (pos_visible_p): Produce correct pixel coordinates when
	CHARPOS is covered by a display string which includes newlines.
	(move_it_vertically_backward): Avoid inflooping when START_CHARPOS
	is covered by a display string with embedded newlines.

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2011-09-24  Michael Albinus  <michael.albinus@gmx.de>

	* dbusbind.c (Fdbus_register_signal): Add match rule to
	Vdbus_registered_objects_table.  (Bug#9581)
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	(Fdbus_register_method, Vdbus_registered_objects_table):
	Fix docstring.
952

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2011-09-24  Jim Meyering  <meyering@redhat.com>

955
	do not ignore write error for any output size
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	The previous change was incomplete.
	While it makes emacs --batch detect the vast majority of stdout
	write failures, errors were still ignored whenever the output size is
	k * (BUFSIZ+1) - 4.  E.g., on a system with BUFSIZ of 4096,
	  $ emacs --batch --eval '(print (format "%4093d" 0))' > /dev/full \
	      && echo FAIL: ignored write error
	  FAIL: ignored write error
	  $ emacs --batch --eval '(print (format "%20481d" 0))' > /dev/full \
	      && echo FAIL: ignored write error
	  FAIL: ignored write error
	* emacs.c (Fkill_emacs): Also test ferror.  (Bug#9574)

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2011-09-23  Andreas Schwab  <schwab@linux-m68k.org>

	* emacs.c (Fkill_emacs): In noninteractive mode exit
	non-successfully if a write error occurred on stdout.  (Bug#9574)

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2011-09-21  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (pop_it): Allow it->object that is a cons cell to pass
	the xassert test.

	* dispextern.h (struct it): Update the comment documenting what
	can it->OBJECT be.

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2011-09-20  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (set_cursor_from_row): If the row ends in a newline from
	a display string, extend search for cursor position to end of row.
	(find_row_edges): If the row ends in a newline from a display
	string, increment its MATRIX_ROW_END_CHARPOS by one.  (Bug#9549)
	Handle the case of a display string with multiple newlines.
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	(Fcurrent_bidi_paragraph_direction): Fix search for previous
	non-empty line.  Fixes confusing cursor motion with arrow keys at
	the beginning of a line that starts with whitespace.
991

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2011-09-19  Lars Magne Ingebrigtsen  <larsi@gnus.org>

	* lread.c (Fread_from_string): Document what FINAL-STRING-INDEX is
	(bug#9493).

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2011-09-18  Chong Yidong  <cyd@stupidchicken.com>

	* xfns.c (Fx_create_frame): Handle the bitmapIcon resource as
	boolean (Bug#9154).

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2011-09-18  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (display_line): Record maximum and minimum buffer
	positions even if no glyphs were produced (e.g., by a zero-width
	stretch).  Fixes bug#9530 on a TTY.  Under word-wrap, don't record
	buffer positions that will be removed from the glyph row because
	they don't fit.
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	(produce_stretch_glyph): Fix a bug in :align-to on a TTY when the
	column is beyond frame width: don't subtract 1 "pixel" when
	computing width of the stretch.
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	(reseat_at_next_visible_line_start): Undo the change made on
	2011-09-17 that saved paragraph information and restored it after
	the call to `reseat'.  (Bug#9545)
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2011-09-18  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
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	* xdisp.c (expose_window): Save original value of phys_cursor_on_p
	and turn window cursor on if cleared (Bug#9415).

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2011-09-18  Andreas Schwab  <schwab@linux-m68k.org>
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	* search.c (boyer_moore): Take unibyte characters from pattern
	literally.  (Bug#9458)

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2011-09-18  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (reseat_at_next_visible_line_start): Fix last change.

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2011-09-18  Paul Eggert  <eggert@cs.ucla.edu>

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	Fix minor problem found by static checking.
	* xdisp.c (reseat_at_next_visible_line_start): Mark locals as
	initialized, to pacify gcc -Wuninitialized.

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	* fileio.c: Report proper errno when syscall falls.
	(Finsert_file_contents): Save and restore errno,
	so that report_file_error outputs the correct diagnostic.
	(Fwrite_region) [CLASH_DETECTION]: Likewise.

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2011-09-18  Eli Zaretskii  <eliz@gnu.org>

	* .gdbinit (pgx): Fix references to fields of `struct glyph'.

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2011-09-17  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (produce_stretch_glyph): Another fix for changes made on
	2011-08-30T17:32:44Z!eliz@gnu.org.  (Bug#9530)

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2011-09-17  Eli Zaretskii  <eliz@gnu.org>

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	* xdisp.c (reseat_at_next_visible_line_start): Keep information
	about the current paragraph and restore it after the call to
	reseat.

	* bidi.c (MAX_PARAGRAPH_SEARCH): New macro.
	(bidi_find_paragraph_start): Search back for paragraph beginning
	at most MAX_PARAGRAPH_SEARCH lines; if not found, return BEGV_BYTE.
	(bidi_move_to_visually_next): Only trigger paragraph-related
	computations when the last character is a newline or at EOB, not
	just any NEUTRAL_B.  (Bug#9470)

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	* xdisp.c (set_cursor_from_row): Don't invoke special treatment of
	truncated lines if point is covered by a display string.  (Bug#9524)

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2011-09-16  Paul Eggert  <eggert@cs.ucla.edu>

	* xselect.c: Relax test for outgoing X longs (Bug#9498).
	(cons_to_x_long): New function.
	(lisp_data_to_selection_data): Use it.  Correct the test for
	short-versus-long data; it was negated.  Break out of vector
	loop, for efficiency, when a long datum is discovered.

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2011-09-16  Stefan Monnier  <monnier@iro.umontreal.ca>

	* eval.c (Fquote): Document its non-consing behavior (bug#9482).

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2011-09-16  Eli Zaretskii  <eliz@gnu.org>

	* image.c (tiff_handler): Work around a bug in MinGW GCC 3.x (see
	GCC PR/17406) by declaring this function with external scope.

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2011-09-15  Paul Eggert  <eggert@cs.ucla.edu>

	* editfns.c (Fformat): Fix bug in text-property fix (Bug#9514).
	Don't mishandle (length (format "%%")) and (format "%4000s%%" "").

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2011-09-15  Andreas Schwab  <schwab@linux-m68k.org>

	* editfns.c (Fformat): Correctly handle text properties on "%%".

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2011-09-15  Eli Zaretskii  <eliz@gnu.org>

	* xterm.c (x_draw_composite_glyph_string_foreground):
	* w32term.c (x_draw_composite_glyph_string_foreground):
	* term.c (encode_terminal_code):
	* composite.c (composition_update_it, get_composition_id):
	* xdisp.c (get_next_display_element)
	(fill_composite_glyph_string): Add comments about special meaning
	of TAB characters in a composition.

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2011-09-15  Paul Eggert  <eggert@cs.ucla.edu>

	* editfns.c (Fformat): Fix off-by-1 bug for "%%b" (Bug#9514).
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	This occurs when processing a multibyte format.
	Problem reported by Wolfgang Jenker.
1107

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2011-09-15  Johan Bockgård  <bojohan@gnu.org>

	* xdisp.c (try_cursor_movement): Only check for exact match if
	cursor hpos found by set_cursor_from_row is valid.  (Bug#9495)

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2011-09-14  Paul Eggert  <eggert@cs.ucla.edu>

	Remove unused external symbols.
	* dispextern.h (calc_pixel_width_or_height): Remove decl.
	* xdisp.c (calc_pixel_width_or_height): Now static.
	* doprnt.c (exprintf) [! (HAVE_X_WINDOWS && USE_X_TOOLKIT)]: Remove.
	* indent.c (check_display_width):
	* w32term.c: Fix comment to match code.
	* xterm.c, xterm.h (x_catching_errors): Remove.

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2011-09-14  Paul Eggert  <eggert@cs.ucla.edu>

	* xselect.c: Use signed conversions more consistently (Bug#9498).
	(selection_data_to_lisp_data): Assume incoming selection data are
	signed integers, not unsigned.  This is to be consistent with
	outgoing selection data, which was modified to use signed integers
	in as part of the fix to Bug#9196 in response to Jan D.'s comment
	in <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9196#32> that X11
	expects long, not unsigned long.

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2011-09-14  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (try_window_reusing_current_matrix): Fix incorrect
	computation of loop end.  Reported by Johan Bockgård
	<bojohan@gnu.org>.

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2011-09-13  Chong Yidong  <cyd@stupidchicken.com>

	* frame.c (Fother_visible_frames_p): Function deleted.

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2011-09-12  Eli Zaretskii  <eliz@gnu.org>

	* indent.c (compute_motion): Process display vector front to back
	rather than the other way around.  (Bug#2496)

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2011-09-12  Stefan Monnier  <monnier@iro.umontreal.ca>

	* fileio.c (Finsert_file_contents): Don't assume beg_offset is 0.

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2011-09-11  Chong Yidong  <cyd@stupidchicken.com>

	* minibuf.c (Fread_from_minibuffer): Doc fix.

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2011-09-11  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (produce_stretch_glyph): Fix a typo made in changes from
	2011-08-30T17:32:44Z!eliz@gnu.org.  (Bug#9475)

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2011-09-11  Lars Magne Ingebrigtsen  <larsi@gnus.org>

	* fileio.c (Fvisited_file_modtime): Document `(-1 65535)' as a
	value for non-existent files.

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2011-09-11  Eli Zaretskii  <eliz@gnu.org>

	* fileio.c (Finsert_file_contents): If the file cannot be opened,
	set its "size" to -1.  This will set the modtime_size field of
	the corresponding buffer to -1, which is what
	verify-visited-file-modtime expects for files that do not exist.
	(Bug#9139)

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2011-09-11  Paul Eggert  <eggert@cs.ucla.edu>

	* keymap.h (KEY_DESCRIPTION_SIZE, push_key_description): Move decls
	here ...
	* lisp.h: ... from here.  push_key_description is no longer
	defined in keyboard.c, so its declaration should not be in
	lisp.h's "Defined in keyboard.c" section, and KEY_DESCRIPTION_SIZE
	logically belongs with push_key_description.

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2011-09-10  Paul Eggert  <eggert@cs.ucla.edu>

	* buffer.h: Include <sys/types.h> instead of <time.h>.
	Otherwise, off_t wasn't defined on FreeBSD 9.0-BETA2 i386.
	Problem reported by Herbert J. Skuhra.

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2011-09-10  Lars Magne Ingebrigtsen  <larsi@gnus.org>

	* xml.c (parse_region): Make the parsing work for
	non-comment-starting XML files again (bug#9144).

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2011-09-10  Andreas Schwab  <schwab@linux-m68k.org>

	* image.c (gif_load): Fix calculation of bottom and right corner.
	(Bug#9468)

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2011-09-10  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (MAX_DISP_SCAN): Decrease to 250.  Prevents sluggish
	redisplay in small windows.

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2011-09-09  Eli Zaretskii  <eliz@gnu.org>

	* frame.c (x_report_frame_params): Cast to avoid compiler warnings.

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2011-09-08  Martin Rudalics  <rudalics@gmx.at>

	* window.c (Fset_window_prev_buffers, Fset_window_next_buffers):
	Operate on live windows only.

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2011-09-08  Juanma Barranquero  <lekktu@gmail.com>

	* emacs.c (my_heap_start): #ifdef to avoid warnings when unused.

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2011-09-07  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (move_it_in_display_line_to): Call RESTORE_IT on ppos_it
	only under bidi iteration.

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2011-09-07  Jan Djärv  <jan.h.d@swipnet.se>

	* gtkutil.c (xg_make_tool_item): Insert comment about eventbox.

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2011-09-06  Paul Eggert  <eggert@cs.ucla.edu>

	isnan: Fix porting problem to Solaris 10 with bundled gcc.
	Without this fix, the command to link temacs failed due to an
	undefined symbol __builtin_isnan.  This is because
	/usr/include/iso/math_c99.h #defines isnan(x) to
	__builtin_isnan(x), but the bundled gcc, which identifies itself
	as gcc 3.4.3 (csl-sol210-3_4-branch+sol_rpath), does not have
	a __builtin_isnan.
	* floatfns.c (isnan): #undef, and then #define to a clone of
	what's in data.c.
	(Fisnan): Always define, since it's always available now.
	(syms_of_floatfns): Always define isnan at the Lisp level.

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2011-09-06  Paul Eggert  <eggert@cs.ucla.edu>
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	* Makefile.in (gl-stamp): move-if-change now in build-aux (Bug#9169).

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2011-09-06  Paul Eggert  <eggert@cs.ucla.edu>
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	* fileio.c: Fix bugs with large file offsets (Bug#9428).
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	The previous code assumed that file offsets (off_t values) fit in
	EMACS_INT variables, which is not true on typical 32-bit hosts.
	The code messed up by falsely reporting buffer overflow in cases
	such as (insert-file-contents "big" nil 1 2) into an empty buffer
	when "big" contains more than 2**29 bytes, even though this
	inserts just one byte and does not overflow the buffer.
	(Finsert_file_contents): Store file offsets as off_t
	values, not as EMACS_INT values.  Check for overflow when
	converting between EMACS_INT and off_t.  When checking for
	buffer overflow or for overlap, take the offsets into account.
	Don't use EMACS_INT for small values where int suffices.
	When checking for overlap, fix a typo: ZV was used where
	ZV_BYTE was intended.
	(Fwrite_region): Don't assume off_t fits into 'long'.
	* buffer.h (struct buffer.modtime_size): Now off_t, not EMACS_INT.

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2011-09-05  Michael Albinus  <michael.albinus@gmx.de>

	* dbusbind.c (xd_signature_cat): Rename from signature_cat.

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2011-09-04  Paul Eggert  <eggert@cs.ucla.edu>
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	sprintf-related integer and memory overflow issues (Bug#9412).
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	* doprnt.c (doprnt): Support printing ptrdiff_t and intmax_t values.
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	(esprintf, exprintf, evxprintf): New functions.
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	* keyboard.c (command_loop_level): Now EMACS_INT, not int.
	(cmd_error): kbd macro iterations count is now EMACS_INT, not int.
	(modify_event_symbol): Do not assume that the length of
	name_alist_or_stem is safe to alloca and fits in int.
	(Fexecute_extended_command): Likewise for function name and binding.
	(Frecursion_depth): Wrap around reliably on integer overflow.
	* keymap.c (push_key_description): First arg is now EMACS_INT, not int,
	since some callers pass EMACS_INT values.
	(Fsingle_key_description): Don't crash if symbol name contains more
	than MAX_ALLOCA bytes.
	* minibuf.c (minibuf_level): Now EMACS_INT, not int.
	(get_minibuffer): Arg is now EMACS_INT, not int.
	* lisp.h (get_minibuffer, push_key_description): Reflect API changes.
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	(esprintf, exprintf, evxprintf): New decls.
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	* window.h (command_loop_level, minibuf_level): Reflect API changes.

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	* dbusbind.c (signature_cat): New function.
	(xd_signature, Fdbus_register_signal):
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	Do not overrun buffer; instead, report string overflow.

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	* dispnew.c (add_window_display_history): Don't overrun buffer.
	Truncate instead; this is OK since it's just a log.

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	* editfns.c (Fcurrent_time_zone): Don't overrun buffer
	even if the time zone offset is outlandishly large.
	Don't mishandle offset == INT_MIN.

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	* emacs.c (main) [NS_IMPL_COCOA]: Don't overrun buffer
	when creating daemon; the previous buffer-overflow check was incorrect.

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	* eval.c (verror): Simplify by rewriting in terms of evxprintf,
	which has the guts of the old verror function.

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	* filelock.c (lock_file_1, lock_file): Don't blindly alloca long name;
	use SAFE_ALLOCA instead.  Use esprintf to avoid int-overflow issues.

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	* font.c: Include <float.h>, for DBL_MAX_10_EXP.
	(font_unparse_xlfd): Don't blindly alloca long strings.
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	Don't assume XINT result fits in int, or that XFLOAT_DATA * 10
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	fits in int, when using sprintf.  Use single snprintf to count
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	length of string rather than counting it via multiple sprintfs;
	that's simpler and more reliable.
	(font_unparse_fcname): Use it to avoid sprintf buffer overrun.
	(generate_otf_features) [0 && HAVE_LIBOTF]: Use esprintf, not
	sprintf, in case result does not fit in int.

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	* fontset.c (num_auto_fontsets): Now printmax_t, not int.
	(fontset_from_font): Print it.

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	* frame.c (tty_frame_count): Now printmax_t, not int.
	(make_terminal_frame, set_term_frame_name): Print it.
	(x_report_frame_params): In X, window IDs are unsigned long,
	not signed long, so print them as unsigned.
	(validate_x_resource_name): Check for implausibly long names,
	and don't assume name length fits in 'int'.
	(x_get_resource_string): Don't blindly alloca invocation name;
	use SAFE_ALLOCA.  Use esprintf, not sprintf, in case result does
	not fit in int.

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	* gtkutil.c: Include <float.h>, for DBL_MAX_10_EXP.
	(xg_check_special_colors, xg_set_geometry):
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	Make sprintf buffers a bit bigger, to avoid potential buffer overrun.

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	* lread.c (dir_warning): Don't blindly alloca buffer; use SAFE_ALLOCA.
	Use esprintf, not sprintf, in case result does not fit in int.

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	* macros.c (executing_kbd_macro_iterations): Now EMACS_INT, not int.
	(Fend_kbd_macro): Don't mishandle MOST_NEGATIVE_FIXNUM by treating
	it as a large positive number.
	(Fexecute_kbd_macro): Don't assume repeat count fits in int.
	* macros.h (executing_kbd_macro_iterations): Now EMACS_INT, not int.

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	* nsterm.m ((NSSize)windowWillResize): Use esprintf, not sprintf,
	in case result does not fit in int.

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	* print.c (float_to_string): Detect width overflow more reliably.
	(print_object): Make sprintf buffer a bit bigger, to avoid potential
	buffer overrun.  Don't assume list length fits in 'int'.  Treat
	print length of 0 as 0, not as infinity; to be consistent with other
	uses of print length in this function.  Don't overflow print length
	index.  Don't assume hash table size fits in 'long', or that
	vectorlike size fits in 'unsigned long'.

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	* process.c (make_process): Use printmax_t, not int, to format
	process-name gensyms.

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	* sysdep.c (snprintf) [! HAVE_SNPRINTF]: New function.

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	* term.c (produce_glyphless_glyph): Make sprintf buffer a bit bigger
	to avoid potential buffer overrun.

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	* xfaces.c (x_update_menu_appearance): Don't overrun buffer
	if X resource line is longer than 512 bytes.

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	* xfns.c (x_window): Make sprintf buffer a bit bigger
	to avoid potential buffer overrun.

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	* xterm.c (x_io_error_quitter): Don't overrun sprintf buffer.

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	* xterm.h (x_check_errors): Add ATTRIBUTE_FORMAT_PRINTF.

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2011-09-04  Paul Eggert  <eggert@cs.ucla.edu>

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	Integer overflow fixes for scrolling, etc.
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	Without these, Emacs silently mishandles large integers sometimes.
	For example, "C-u 4294967297 M-x recenter" was treated as if
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	it were "C-u 1 M-x recenter" on a typical 64-bit host.

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	* xdisp.c (try_window_id): Check Emacs fixnum range before
	converting to 'int'.
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	* window.c (window_scroll_line_based, Frecenter):
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	Check that an Emacs fixnum is in range before assigning it to 'int'.
	(Frecenter, Fmove_to_window_line): Use EMACS_INT, not int, for
	values converted from Emacs fixnums.
	(Frecenter): Don't wrap around a line count if it is out of 'int'
	range; instead, treat it as an extreme value.
	(Fset_window_configuration, compare_window_configurations):
	Use ptrdiff_t, not int, for index that might exceed 2 GiB.

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	* search.c (Freplace_match): Use ptrdiff_t, not int, for indexes
	that can exceed INT_MAX.  Check that EMACS_INT value is in range
	before assigning it to the (possibly-narrower) index.
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	(match_limit): Don't assume that a fixnum can fit in 'int'.

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	* print.c (print_object): Use ptrdiff_t, not int, for index that can
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	exceed INT_MAX.

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	* indent.c (position_indentation): Now takes ptrdiff_t, not int.
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	(Fvertical_motion): Don't wrap around LINES values that don't fit
	in 'int'.  Instead, treat them as extreme values.  This is good
	enough for windows, which can't have more than INT_MAX lines anyway.

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2011-09-03  Lars Magne Ingebrigtsen  <larsi@gnus.org>

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	* Require libxml/parser.h to avoid compilation warning.

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	* emacs.c (shut_down_emacs): Call xmlCleanupParser on shutdown.

	* xml.c (parse_region): Don't call xmlCleanupParser after parsing,
	since this reportedly can destroy thread storage.

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2011-08-30  Chong Yidong  <cyd@stupidchicken.com>

	* syntax.c (find_defun_start): Update all cache variables if
	exiting early (Bug#9401).

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2011-08-30  Eli Zaretskii  <eliz@gnu.org>

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	* image.c (x_bitmap_pixmap): Cast to int to avoid compiler warnings.

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	* xdisp.c (produce_stretch_glyph): No longer static, compiled also
	when HAVE_WINDOW_SYSTEM is not defined.  Support both GUI and TTY
	frames.  Call tty_append_glyph in the TTY case.  (Bug#9402)

	* term.c (tty_append_glyph): New function.
	(produce_stretch_glyph): Static function and its prototype deleted.

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	* dispextern.h (produce_stretch_glyph, tty_append_glyph):
	Add prototypes.
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2011-08-29  Paul Eggert  <eggert@cs.ucla.edu>

	* image.c (parse_image_spec): Check for nonnegative, not for positive,
	when checking :margin (Bug#9390).
	(IMAGE_NON_NEGATIVE_INTEGER_VALUE_OR_PAIR):
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	Rename from IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR,
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	so that the name doesn't mislead.  All uses changed.

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2011-08-28  Johan Bockgård  <bojohan@gnu.org>

	* term.c (init_tty) [HAVE_GPM]: Move mouse settings after
	set_tty_hooks.

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2011-08-27  Eli Zaretskii  <eliz@gnu.org>

	* xdisp.c (move_it_to): Don't bail out early when reaching
	position beyond to_charpos, if we are scanning backwards.
	(move_it_vertically_backward): When DY == 0, make sure we get to
	the first character in the line after the newline.

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2011-08-27  Paul Eggert  <eggert@cs.ucla.edu>

	* ccl.c: Improve and simplify overflow checking (Bug#9196).
	(ccl_driver): Do not generate an out-of-range pointer.
	(Fccl_execute_on_string): Remove unnecessary check for
	integer overflow, noted by Stefan Monnier in
	<http://lists.gnu.org/archive/html/emacs-devel/2011-08/msg00979.html>.
	Remove a FIXME that didn't need fixing.
	Simplify the newly-introduced buffer reallocation code.

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2011-08-27  Juanma Barranquero  <lekktu@gmail.com>

	* makefile.w32-in ($(BLD)/alloc.$(O)): Depend on lib/verify.h.

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2011-08-26  Paul Eggert  <eggert@cs.ucla.edu>
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	Integer and memory overflow issues (Bug#9196).
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	* doc.c (get_doc_string): Rework so that
	get_doc_string_buffer_size is the actual buffer size, rather than
	being 1 less than the actual buffer size; this makes xpalloc more
	convenient.

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	* image.c (x_allocate_bitmap_record, cache_image):
	* xselect.c (Fx_register_dnd_atom):
	Simplify previous changes by using xpalloc.

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	* buffer.c (overlay_str_len): Now ptrdiff_t, not EMACS_INT,
	since either will do and ptrdiff_t is convenient with xpalloc.

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	* charset.c (charset_table_size)
	(struct charset_sort_data.priority): Now ptrdiff_t.
	(charset_compare): Don't overflow if priorities differ greatly.
	(Fsort_charsets): Don't assume list length fits in int.
	Check for size-calculation overflow when allocating sort data.
	(syms_of_charset): Allocate an initial charset table that is
	just under 64 KiB, to avoid problems with glibc malloc and mmap.

	* cmds.c (internal_self_insert): Check for size-calculation overflow.

	* composite.h (struct composition.glyph_len): Now int, not unsigned.
	The actual value is always <= INT_MAX, and leaving it unsigned made
	overflow checking harder.

	* dispextern.h (struct glyph_matrix.rows_allocated)
	(struct face_cache.size): Now ptrdiff_t, for convenience in use
	with xpalloc.  The values are still always <= INT_MAX.

	* indent.c (compute_motion): Adjust to region_cache_forward sig change.

	* lisp.h (xnmalloc, xnrealloc, xpalloc): New decls.
	(SAFE_NALLOCA): New macro.

	* region-cache.c (struct boundary.pos, find_cache_boundary)
	(move_cache_gap, insert_cache_boundary, delete_cache_boundaries)
	(set_cache_region, invalidate_region_cache)
	(revalidate_region_cache, know_region_cache, region_cache_forward)
	(region_cache_backward, pp_cache):
	Use ptrdiff_t, not EMACS_INT, since either will do.  This is needed
	so that ptrdiff_t * can be passed to xpalloc.
	(struct region_cache): Similarly, for gap_start, gap_len, cache_len,
	beg_unchanged, end_unchanged, buffer_beg, buffer_end members.
	(pp_cache): Don't assume cache_len fits in int.
	* region-cache.h: Adjust extern decls to match.

	* search.c (scan_buffer, Freplace_match): Use ptrdiff_t, not
	EMACS_INT, since either will do, for xpalloc.

	* alloc.c: Include verify.h, and check that int fits in ptrdiff_t.
	(xnmalloc, xnrealloc, xpalloc): New functions.

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	* bidi.c (bidi_shelve_header_size): New constant.
	(bidi_cache_ensure_space, bidi_shelve_cache): Use it.
	(bidi_cache_ensure_space): Avoid integer overflow when allocating.

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	* bidi.c (bidi_cache_shrink):
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	* buffer.c (overlays_at, overlays_in, record_overlay_string)
	(overlay_strings):
	Don't update size of array until after memory allocation succeeds,
	because xmalloc/xrealloc may not return.
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	(struct sortstrlist.bytes): Now ptrdiff_t, as EMACS_INT doesn't help
	now that we have proper integer overflow checking.
	(record_overlay_string, overlay_strings): Catch overflows when
	calculating size of overlay_str_buf.
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	* callproc.c (Fcall_process): Check for size overflow when
	calculating size of args2.
	(child_setup): Avoid overflow by using size_t rather than ptrdiff_t.
	Normally we prefer signed values, but sticking with ptrdiff_t would
	require adding more-complicated checks.
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	* ccl.c (Fccl_execute_on_string): Check for memory overflow.
	Use ptrdiff_t rather than EMACS_INT where ptrdiff_t will do.
	Redo buffer-overflow calculations to avoid integer overflow.
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	Add a FIXME comment where memory seems to be over-allocated.
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	* character.c (Fstring): Check for size-calculation overflow.

	* coding.c (produce_chars): Redo buffer-overflow calculations to avoid
	unnecessary integer overflow.  Check for size overflow.
	(encode_coding_object): Don't update size until xmalloc succeeds.

	* composite.c (get_composition_id): Check for overflow in glyph
	length calculations.

	Integer and memory overflow fixes for display code.
	* dispextern.h (struct glyph_pool.nglyphs): Now ptrdiff_t, not int.
	* dispnew.c (adjust_glyph_matrix, realloc_glyph_pool)
	(scrolling_window): Check for overflow in size calculations.
	(line_draw_cost, realloc_glyph_pool, add_row_entry):
	Don't assume glyph table len fits in int.
	(struct row_entry.bucket, row_entry_pool_size, row_entry_idx)
	(row_table_size): Now ptrdiff_t, not int.
	(scrolling_window): Avoid overflow in size calculations.
	Don't update size until allocation succeeds.
	* fns.c (concat): Check for overflow in size calculations.
	(next_almost_prime): Verify NEXT_ALMOST_PRIME_LIMIT.
	* lisp.h (RANGED_INTEGERP, TYPE_RANGED_INTEGERP): New macros.
	(NEXT_ALMOST_PRIME_LIMIT): New constant.

	* doc.c (get_doc_string_buffer_size): Now ptrdiff_t, not int.
	(get_doc_string): Check for size calculation overflow.
	Don't update size until allocation succeeds.
	(get_doc_string, Fsubstitute_command_keys): Use ptrdiff_t, not
	EMACS_INT, where ptrdiff_t will do.
	(Fsubstitute_command_keys): Check for string overflow.

	* editfns.c (set_time_zone_rule): Don't assume environment length
	fits in int.
	(message_length): Now ptrdiff_t, not int.
	(Fmessage_box): Don't update size until allocation succeeds.
	Don't assume message length fits in int.
	(Fformat): Use ptrdiff_t, not EMACS_INT, where ptrdiff_t will do.

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	* emacs.c (main): Do not reallocate argv, since there is a null at
	the end that can be overwritten, and this way there's no need to
	worry about size-calculation overflow.
	(sort_args): Check for size-calculation overflow.
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