+2011-03-15 Paul Eggert <eggert@cs.ucla.edu>
+
+ Use functions, not macros, for up- and down-casing (Bug#8254).
+ * buffer.h (DOWNCASE_TABLE, UPCASE_TABLE, DOWNCASE, UPPERCASEP):
+ (NOCASEP, LOWERCASEP, UPCASE, UPCASE1): Remove. All callers changed
+ to use the following functions instead of these macros.
+ (downcase): Adjust to lack of DOWNCASE_TABLE. Return int, not
+ EMACS_INT, since callers assume the returned value fits in int.
+ (upcase1): Likewise, for UPCASE_TABLE.
+ (uppercasep, lowercasep, upcase): New static inline functions.
+ * editfns.c (Fchar_equal): Remove no-longer-needed workaround for
+ the race-condition problem in the old DOWNCASE.
+
+ * regex.c (CHARSET_LOOKUP_RANGE_TABLE_RAW, POP_FAILURE_REG_OR_COUNT):
+ Rename locals to avoid shadowing.
+ (regex_compile, re_match_2_internal): Move locals to avoid shadowing.
+ (regex_compile, re_search_2, re_match_2_internal):
+ Remove unused local vars.
+ (FREE_VAR): Rewrite so as not to use empty "else",
+ which gcc can warn about.
+ (regex_compile, re_match_2_internal): Mark locals as initialized.
+ (RETALLOC_IF): Define only if needed.
+ (WORDCHAR_P): Likewise. This one is never needed, but is used
+ only in a comment talking about a compiler bug, so put inside
+ the #if 0 of that comment.
+ (CHARSET_LOOKUP_BITMAP, FAIL_STACK_FULL, RESET_FAIL_STACK):
+ (PUSH_FAILURE_ELT, BUF_PUSH_3, STOP_ADDR_VSTRING):
+ Remove; unused.
+
+ * search.c (boyer_moore): Rename locals to avoid shadowing.
+ * character.h (FETCH_STRING_CHAR_AS_MULTIBYTE_ADVANCE): Likewise.
+
+ * search.c (simple_search): Remove unused var.
+
+ * dired.c (compile_pattern): Move decl from here ...
+ * lisp.h: ... to here, so that it can be checked.
+ (struct re_registers): New forward decl.
+
+ * character.h (INC_POS, DEC_POS): Rename locals to avoid shadowing.
+
+ * indent.c (MULTIBYTE_BYTES_WIDTH): New args bytes, width.
+ All uses changed.
+ (MULTIBYTE_BYTES_WIDTH, scan_for_column, compute_motion):
+ Rename locals to avoid shadowing.
+ (Fvertical_motion): Mark locals as initialized.
+
+ * casefiddle.c (casify_object, casify_region): Now static.
+ (casify_region): Mark local as initialized.
+
+ * cmds.c (internal_self_insert): Rename local to avoid shadowing.
+
+ * lisp.h (GCPRO2_VAR, GCPRO3_VAR, GCPRO4_VAR, GCPRO5_VAR, GCPRO6_VAR):
+ New macros, so that the caller can use some names other than
+ gcpro1, gcpro2, etc.
+ (GCPRO2, GCPRO3, GCPRO4, GCPRO5, GCPRO6): Reimplement in terms
+ of the new macros.
+ (GCPRO1_VAR, UNGCPRO_VAR): Change the meaning of the second
+ argument, for consistency with GCPRO2_VAR, etc: it is now the
+ prefix of the variable, not the variable itself. All uses
+ changed.
+ * dired.c (directory_files_internal, file_name_completion):
+ Rename locals to avoid shadowing.
+
+ Fix a race condition diagnosed by gcc -Wsequence-point (Bug#8254).
+ An expression of the form (DOWNCASE (x) == DOWNCASE (y)), found in
+ dired.c's scmp function, had undefined behavior.
+ * lisp.h (DOWNCASE_TABLE, UPCASE_TABLE, DOWNCASE, UPPERCASEP):
+ (NOCASEP, LOWERCASEP, UPCASE, UPCASE1): Move from here ...
+ * buffer.h: ... to here, because these macros use current_buffer,
+ and the new implementation with inline functions needs to have
+ current_buffer in scope now, rather than later when the macros
+ are used.
+ (downcase, upcase1): New static inline functions.
+ (DOWNCASE, UPCASE1): Reimplement using these functions.
+ This avoids undefined behavior in expressions like
+ DOWNCASE (x) == DOWNCASE (y), which previously suffered
+ from race conditions in accessing the global variables
+ case_temp1 and case_temp2.
+ * casetab.c (case_temp1, case_temp2): Remove; no longer needed.
+ * lisp.h (case_temp1, case_temp2): Remove their decls.
+ * character.h (ASCII_CHAR_P): Move from here ...
+ * lisp.h: ... to here, so that the inline functions mentioned
+ above can use them.
+
+ * dired.c (directory_files_internal_unwind): Now static.
+
+ * fileio.c (file_name_as_directory, directory_file_name):
+ (barf_or_query_if_file_exists, auto_save_error, auto_save_1):
+ Now static.
+ (file_name_as_directory): Use const pointers when appropriate.
+ (Fexpand_file_name): Likewise. In particular, newdir might
+ point at constant storage, so make it a const pointer.
+ (Fmake_directory_internal, Fread_file_name): Remove unused vars.
+ (Ffile_selinux_context, Fset_file_selinux_context): Fix pointer
+ signedness issues.
+ (Fset_file_times, Finsert_file_contents, auto_save_error):
+ Rename locals to avoid shadowing.
+
+ * minibuf.c (choose_minibuf_frame_1): Now static.
+ (Ftry_completion, Fall_completions): Rename or remove locals
+ to avoid shadowing.
+
+ * marker.c (bytepos_to_charpos): Remove; unused.
+
+ * lisp.h (verify_bytepos, count_markers): New decls,
+ so that gcc does not warn that these functions aren't declared.
+
+ * insdel.c (check_markers, make_gap_larger, make_gap_smaller):
+ (reset_var_on_error, Fcombine_after_change_execute_1): Now static.
+ (CHECK_MARKERS): Redo to avoid gcc -Wempty-body diagnostic.
+ (copy_text): Remove unused local var.
+
+ * filelock.c (within_one_second): Now static.
+ (lock_file_1): Rename local to avoid shadowing.
+
+ * buffer.c (fix_overlays_before): Mark locals as initialized.
+ (fix_start_end_in_overlays): Likewise. This function should be
+ simplified by using pointers-to-pointers, but that's a different
+ matter.
+
+2011-03-14 Paul Eggert <eggert@cs.ucla.edu>
+
+ * buffer.c (switch_to_buffer_1): Now static.
+ (Fkill_buffer, record_buffer, Fbury_buffer, Fset_buffer_multibyte):
+ (report_overlay_modification): Rename locals to avoid shadowing.
+
+ * sysdep.c (system_process_attributes): Rename vars to avoid shadowing.
+ Fix pointer signedness issue.
+ (sys_subshell): Mark local as volatile if checking for lint,
+ to suppress a gcc -Wclobbered warning that does not seem to be right.
+ (MAXPATHLEN): Define only if needed.
+
+ * process.c (serial_open, serial_configure): Move decls from here ...
+ * systty.h: ... to here, so that they can be checked.
+
+ * fns.c (get_random, seed_random): Move extern decls from here ...
+ * lisp.h: ... to here, so that they can be checked.
+
+ * sysdep.c (reset_io): Now static.
+ (wait_for_termination_signal): Remove; unused.
+
+ * keymap.c (keymap_parent, keymap_memberp, map_keymap_internal):
+ (copy_keymap_item, append_key, push_text_char_description):
+ Now static.
+ (Fwhere_is_internal): Don't test CONSP (sequences) unnecessarily.
+ (DENSE_TABLE_SIZE): Remove; unused.
+ (get_keymap, access_keymap, Fdefine_key, Fwhere_is_internal):
+ (describe_map_tree):
+ Rename locals to avoid shadowing.
+
+ * keyboard.c: Declare functions static if they are not used elsewhere.
+ (echo_char, echo_dash, cmd_error, top_level_2):
+ (poll_for_input, handle_async_input): Now static.
+ (read_char, kbd_buffer_get_event, make_lispy_position):
+ (make_lispy_event, make_lispy_movement, apply_modifiers):
+ (decode_keyboard_code, tty_read_avail_input, menu_bar_items):
+ (parse_tool_bar_item, read_key_sequence, Fread_key_sequence):
+ (Fread_key_sequence_vector): Rename locals to avoid shadowing.
+ (read_key_sequence, read_char): Mark locals as initialized.
+ (Fexit_recursive_edit, Fabort_recursive_edit): Mark with NO_RETURN.
+
+ * keyboard.h (make_ctrl_char): New decl.
+ (mark_kboards): Move decl here ...
+ * alloc.c (mark_kboards): ... from here.
+
+ * lisp.h (force_auto_save_soon): New decl.
+
+ * emacs.c (init_cmdargs): Rename local to avoid shadowing.
+ (DEFINE_DUMMY_FUNCTION): New macro.
+ (__do_global_ctors, __do_global_ctors_aux, __do_global_dtors, __main):
+ Use it.
+ (main): Add casts to avoid warnings
+ if GCC considers string literals to be constants.
+
+ * lisp.h (fatal_error_signal): Add decl, since it's exported.
+
+ * dbusbind.c: Pointer signedness fixes.
+ (xd_signature, xd_append_arg, xd_initialize):
+ (Fdbus_call_method, Fdbus_call_method_asynchronously):
+ (Fdbus_method_return_internal, Fdbus_method_error_internal):
+ (Fdbus_send_signal, xd_read_message_1, Fdbus_register_service):
+ (Fdbus_register_signal): Use SSDATA when the context wants char *.
+
+ * dbusbind.c (Fdbus_init_bus): Add cast to avoid warning
+ if GCC considers string literals to be constants.
+ (Fdbus_register_service, Fdbus_register_method): Remove unused vars.
+
+2011-03-13 Chong Yidong <cyd@stupidchicken.com>
+
+ * buffer.h (BUF_BEGV, BUF_BEGV_BYTE, BUF_ZV, BUF_ZV_BYTE, BUF_PT)
+ (BUF_PT_BYTE): Rewrite to handle indirect buffers (Bug#8219).
+ These macros can no longer be used for assignment.
+
+ * buffer.c (Fget_buffer_create, Fmake_indirect_buffer): Assign
+ struct members directly, instead of using BUF_BEGV etc.
+ (record_buffer_markers, fetch_buffer_markers): New functions for
+ recording and fetching special buffer markers.
+ (set_buffer_internal_1, set_buffer_temp): Use them.
+
+ * lread.c (unreadchar): Use SET_BUF_PT_BOTH.
+
+ * insdel.c (adjust_point): Use SET_BUF_PT_BOTH.
+
+ * intervals.c (temp_set_point_both): Use SET_BUF_PT_BOTH.
+ (get_local_map): Use SET_BUF_BEGV_BOTH and SET_BUF_ZV_BOTH.
+
+ * xdisp.c (hscroll_window_tree):
+ (reconsider_clip_changes): Use PT instead of BUF_PT.
+
+2011-03-13 Eli Zaretskii <eliz@gnu.org>
+
+ * makefile.w32-in ($(BLD)/editfns.$(O)): Depend on
+ $(EMACS_ROOT)/lib/intprops.h.
+
+2011-03-13 Paul Eggert <eggert@cs.ucla.edu>
+
+ Fix more problems found by GCC 4.5.2's static checks.
+
+ * gtkutil.c (xg_get_pixbuf_from_pixmap): Add cast from char *
+ to unsigned char * to avoid compiler diagnostic.
+ (xg_free_frame_widgets): Make it clear that a local variable is
+ needed only if USE_GTK_TOOLTIP.
+ (gdk_window_get_screen): Make it clear that this macro is needed
+ only if USE_GTK_TOOLTIP.
+ (int_gtk_range_get_value): New function, which avoids a diagnostic
+ from gcc -Wbad-function-cast.
+ (xg_set_toolkit_scroll_bar_thumb): Use it.
+ (xg_tool_bar_callback, xg_tool_item_stale_p): Rewrite to avoid
+ diagnostic from gcc -Wbad-function-cast.
+ (get_utf8_string, xg_get_file_with_chooser):
+ Rename locals to avoid shadowing.
+ (create_dialog): Move locals to avoid shadowing.
+
+ * xgselect.c (xg_select): Remove unused var.
+
+ * image.c (four_corners_best): Mark locals as initialized.
+ (gif_load): Initialize transparent_p to zero (Bug#8238).
+ Mark another local as initialized.
+ (my_png_error, my_error_exit): Mark with NO_RETURN.
+
+ * image.c (clear_image_cache): Now static.
+ (DIM, HAVE_STDLIB_H_1): Remove unused macros.
+ (xpm_load): Redo to avoid "discards qualifiers" gcc warning.
+ (x_edge_detection): Remove unnecessary cast that
+ gcc -Wbad-function-cast diagnoses.
+ (gif_load): Fix pointer signedness.
+ (clear_image_cache, xbm_read_bitmap_data, x_detect_edges):
+ (jpeg_load, gif_load): Rename locals to avoid shadowing.
+
+2011-03-11 Paul Eggert <eggert@cs.ucla.edu>
+
+ Improve quality of tests for time stamp overflow.
+ For example, without this patch (encode-time 0 0 0 1 1
+ 1152921504606846976) returns the obviously-bogus value (-948597
+ 62170) on my RHEL 5.5 x86-64 host. With the patch, it correctly
+ reports time overflow. See
+ <http://lists.gnu.org/archive/html/emacs-devel/2011-03/msg00470.html>.
+ * deps.mk (editfns.o): Depend on ../lib/intprops.h.
+ * editfns.c: Include limits.h and intprops.h.
+ (TIME_T_MIN, TIME_T_MAX): New macros.
+ (time_overflow): Move earlier, to before first use.
+ (hi_time, lo_time): New functions, for an accurate test for
+ out-of-range times.
+ (Fcurrent_time, Fget_internal_run_time, make_time): Use them.
+ (Fget_internal_run_time): Don't assume time_t fits in int.
+ (make_time): Use list2 instead of Fcons twice.
+ (Fdecode_time): More accurate test for out-of-range times.
+ (check_tm_member): New function.
+ (Fencode_time): Use it, to test for out-of-range times.
+ (lisp_time_argument): Don't rely on undefined left-shift and
+ right-shift behavior when checking for time stamp overflow.
+
+ * editfns.c (time_overflow): New function, refactoring common code.
+ (Fformat_time_string, Fdecode_time, Fencode_time):
+ (Fcurrent_time_string): Use it.
+
+ Move 'make_time' to be next to its inverse 'lisp_time_argument'.
+ * dired.c (make_time): Move to ...
+ * editfns.c (make_time): ... here.
+ * systime.h: Note the move.
+