emacs-21.3.50.1 crash in get_overlay_arrow_glyph_row called by display_line

[鯉江英隆]

Function display_line in xdisp.c was changed at 2004/03/01 by kfstorm.

  14759           struct glyph_row *arrow_row
  14760             = get_overlay_arrow_glyph_row (it->w, overlay_arrow_bitmap);

When I'm using emacs with TTY mode,
my emacs crash by SEGV in get_overlay_arrow_glyph_row,
because 2nd argument overlay_arrow_bitmap is NULL.

emacs-version is 
GNU Emacs 21.3.50.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars) of 
2004-03-03 on sakura

So far, this failure has not occured with X.


------------------------------------------------------ backtrace 
koie@sakura% gdb emacs-20040303b core-20040303b
GNU gdb 4.18
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welcome to change it and/or distribute copies of it under certain conditions.
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This GDB was configured as "i386-redhat-linux"...

warning: core file may not match specified executable file.
Core was generated by `emacs'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/X11R6/lib/libXaw3d.so.6...done.
Reading symbols from /usr/X11R6/lib/libXmu.so.6...done.
Reading symbols from /usr/X11R6/lib/libXt.so.6...done.
Reading symbols from /usr/X11R6/lib/libSM.so.6...done.
Reading symbols from /usr/X11R6/lib/libICE.so.6...done.
Reading symbols from /usr/X11R6/lib/libXext.so.6...done.
Reading symbols from /usr/lib/libtiff.so.3...done.
Reading symbols from /usr/lib/libjpeg.so.62...done.
Reading symbols from /usr/lib/libpng.so.2...done.
Reading symbols from /usr/lib/libz.so.1...done.
Reading symbols from /lib/libm.so.6...done.
Reading symbols from /usr/X11R6/lib/libXpm.so.4...done.
Reading symbols from /usr/X11R6/lib/libX11.so.6...done.
Reading symbols from /usr/lib/libncurses.so.4...done.
Reading symbols from /lib/libc.so.6...done.
Reading symbols from /lib/ld-linux.so.2...done.
Reading symbols from /lib/libnss_files.so.2...done.
Reading symbols from /usr/lib/gconv/EUC-JP.so...done.
Reading symbols from /usr/lib/gconv/libJIS.so...done.
#0  0x402994e1 in __kill () from /lib/libc.so.6
(gdb) bt
#0  0x402994e1 in __kill () from /lib/libc.so.6
#1  0x811eb75 in fatal_error_signal (sig=11) at emacs.c:391
#2  0x40299408 in __restore ()
    at ../sysdeps/unix/sysv/linux/i386/sigaction.c:127
#3  0x808666f in display_line (it=0xbfffe0e4) at xdisp.c:14760
#4  0x808014c in try_window (window=-2008664784, pos={charpos = 1, 
      bytepos = 1}) at xdisp.c:12137
#5  0x807f0b7 in redisplay_window (window=-2008664784, just_this_one_p=0)
    at xdisp.c:11780
#6  0x807c513 in redisplay_window_0 (window=-2008664784) at xdisp.c:10535
#7  0x81a07d8 in internal_condition_case_1 (
    bfun=0x807c4ec <redisplay_window_0>, arg=-2008664784, 
    handlers=-1471829816, hfun=0x807c4c4 <redisplay_window_error>)
    at eval.c:1374
#8  0x807c4ab in redisplay_windows (window=-2008664784) at xdisp.c:10514
#9  0x807b4b2 in redisplay_internal (preserve_echo_area=0) at xdisp.c:10099
#10 0x8078bae in redisplay () at xdisp.c:9333
#11 0x81250e7 in read_char (commandflag=1, nmaps=4, maps=0xbfffee60, 
    prev_event=675627912, used_mouse_menu=0xbfffef08) at keyboard.c:2472
#12 0x812ee31 in read_key_sequence (keybuf=0xbffff024, bufsize=30, 
    prompt=675627912, dont_downcase_last=0, can_return_switch_frame=1, 
    fix_current_buffer=1) at keyboard.c:8770
#13 0x8122aa8 in command_loop_1 () at keyboard.c:1476
#14 0x81a06b3 in internal_condition_case (bfun=0x8122720 <command_loop_1>, 
    handlers=675688776, hfun=0x8122270 <cmd_error>) at eval.c:1333
#15 0x81225a5 in command_loop_2 () at keyboard.c:1264
#16 0x81a0136 in internal_catch (tag=675682840, 
    func=0x8122588 <command_loop_2>, arg=675627912) at eval.c:1094
#17 0x812255f in command_loop () at keyboard.c:1243
#18 0x8121ffe in recursive_edit_1 () at keyboard.c:959
#19 0x8122137 in Frecursive_edit () at keyboard.c:1015
#20 0x8120afd in main (argc=1, argv=0xbffff574) at emacs.c:1682
(gdb) info localsinfo locals
Undefined info command: "localsinfo locals".  Try "help info".
(gdb) up
#1  0x811eb75 in fatal_error_signal (sig=11) at emacs.c:391
391       kill (getpid (), fatal_error_code);
(gdb) info locals
No locals.
(gdb) up
#2  0x40299408 in __restore ()
    at ../sysdeps/unix/sysv/linux/i386/sigaction.c:127
127     ../sysdeps/unix/sysv/linux/i386/sigaction.c: No such file or directory.
(gdb) info locals
No locals.
(gdb) up
#3  0x808666f in display_line (it=0xbfffe0e4) at xdisp.c:14760
14760               = get_overlay_arrow_glyph_row (it->w, overlay_arrow_bitmap);
(gdb) info locals
arrow_row = (struct glyph_row *) 0x50
glyph = (struct glyph *) 0x50
arrow_end = (struct glyph *) 0x0
p = (struct glyph *) 0x0
p2 = (struct glyph *) 0x0
end = (struct glyph *) 0x0
row = (struct glyph_row *) 0x866a888
overlay_arrow_bitmap = 0
overlay_arrow_string = 1752789752
(gdb) up
#4  0x808014c in try_window (window=-2008664784, pos={charpos = 1, 
      bytepos = 1}) at xdisp.c:12137
12137         if (display_line (&it))
(gdb) info locals
w = (struct window *) 0x8463530
it = {window = -2008664784, w = 0x8463530, f = 0x84633b8, 
  method = 0x8071a34 <next_element_from_buffer>, stop_charpos = 210, 
  end_charpos = 426299, s = 0x0, string_nchars = 0, region_beg_charpos = -1, 
  region_end_charpos = -1, redisplay_end_trigger_charpos = 0, multibyte_p = 1, 
  header_line_p = 0, string_from_display_prop_p = 0, dp = 0x0, dpvec = 0x0, 
  dpend = 0x0, dpvec_char_len = 0, saved_face_id = 0, ctl_chars = {
    0 <repeats 16 times>}, start = {pos = {charpos = 1, bytepos = 1}, 
    overlay_string_index = -1, string_pos = {charpos = -1, bytepos = -1}, 
    dpvec_index = -1}, current = {pos = {charpos = 130, bytepos = 210}, 
    overlay_string_index = -1, string_pos = {charpos = -1, bytepos = -1}, 
    dpvec_index = -1}, overlay_strings = {0, 0, 0}, n_overlay_strings = 0, 
  string = 675627912, stack = {{stop_charpos = 0, face_id = 0, string = 0, 
      pos = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, 
        string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, 
      end_charpos = 0, string_nchars = 0, area = LEFT_MARGIN_AREA, 
      multibyte_p = 0, string_from_display_prop_p = 0, display_ellipsis_p = 0, 
      space_width = 0, voffset = 0, font_height = 0}, {stop_charpos = 0, 
      face_id = 0, string = 0, pos = {pos = {charpos = 0, bytepos = 0}, 
        overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, 
        dpvec_index = 0}, end_charpos = 0, string_nchars = 0, 
      area = LEFT_MARGIN_AREA, multibyte_p = 0, 
      string_from_display_prop_p = 0, display_ellipsis_p = 0, space_width = 0, 
      voffset = 0, font_height = 0}}, sp = 0, 
  selective_display_ellipsis_p = 1, ctl_arrow_p = 1, selective = 0, 
  what = IT_CHARACTER, face_id = 0, face_box_p = 0, start_of_box_run_p = 0, 
  end_of_box_run_p = 0, overlay_strings_at_end_processed_p = 0, 
  glyph_not_available_p = 0, starts_in_middle_of_char_p = 0, 
  face_before_selective_p = 0, base_face_id = 0, c = 10, len = 1, cmp_id = 0, 
  cmp_len = 0, char_to_display = 0, image_id = 0, space_width = 675627912, 
  voffset = 0, font_height = 675627912, object = -2003524456, position = {
    charpos = 129, bytepos = 209}, truncate_lines_p = 1, tab_width = 8, 
  truncation_pixel_width = 1, continuation_pixel_width = 0, 
  first_visible_x = 0, last_visible_x = 79, last_visible_y = 61, 
  extra_line_spacing = 0, glyph_row = 0x866a888, area = TEXT_AREA, 
  nglyphs = 1, pixel_width = 1, ascent = 0, descent = 1, max_ascent = 0, 
  max_descent = 1, phys_ascent = 0, phys_descent = 1, max_phys_ascent = 0, 
  max_phys_descent = 1, current_x = 79, continuation_lines_width = 0, 
  current_y = 0, first_vpos = 0, vpos = 0, hpos = 79, 
  left_user_fringe_bitmap = 0, left_user_fringe_face_id = 0, 
  right_user_fringe_bitmap = 0, right_user_fringe_face_id = 0}
last_text_row = (struct glyph_row *) 0x0
(gdb) up
#5  0x807f0b7 in redisplay_window (window=-2008664784, just_this_one_p=0)
    at xdisp.c:11780
11780             try_window (window, startp);
(gdb) info locals
w = (struct window *) 0x8463530
f = (struct frame *) 0x84633b8
buffer = (struct buffer *) 0x894a498
old = (struct buffer *) 0x894a498
lpoint = {charpos = 426299, bytepos = 560513}
opoint = {charpos = 426299, bytepos = 560513}
startp = {charpos = 1, bytepos = 1}
update_mode_line = 1
tem = 0
it = {window = 28, w = 0x1, f = 0x8071a34, method = 0x1, 
  stop_charpos = -1073749048, end_charpos = 134658146, 
  s = 0xbfffe4e8 "\2006F\210\2006F\bク3F\b4\032\a\b\034", 
  string_nchars = -1073749404, region_beg_charpos = 136462780, 
  region_end_charpos = 0, redisplay_end_trigger_charpos = 0, multibyte_p = 0, 
  header_line_p = 0, string_from_display_prop_p = 0, dp = 0x14, 
  dpvec = 0xbfffe4e8, dpend = 0x1, dpvec_char_len = 0, 
  saved_face_id = 134655649, ctl_chars = {-1073748760, 1, 134697348, 1, 1, 
    -1073748760, 28, 624, 78, 26, 1, 0, 624, 78, 26, 1}, start = {pos = {
      charpos = 624, bytepos = 78}, overlay_string_index = 134697348, 
    string_pos = {charpos = 0, bytepos = 624}, dpvec_index = 78}, current = {
    pos = {charpos = 26, bytepos = 28}, overlay_string_index = 27, 
    string_pos = {charpos = 1214083736, bytepos = 27}, dpvec_index = 1}, 
  overlay_strings = {0, 1078006672, 1078006672}, 
  n_overlay_strings = -1073748784, string = 134768936, stack = {{
      stop_charpos = 138819200, face_id = 140898704, string = 140914480, 
      pos = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, 
        string_pos = {charpos = 0, bytepos = 134697348}, 
        dpvec_index = 138819200}, end_charpos = 138818488, 
      string_nchars = 140898704, area = TEXT_AREA, multibyte_p = 0, 
      string_from_display_prop_p = 0, display_ellipsis_p = 1, 
      space_width = 138819200, voffset = 0, font_height = 0}, {
      stop_charpos = 0, face_id = 0, string = 1, pos = {pos = {charpos = 1, 
          bytepos = 26}, overlay_string_index = 26, string_pos = {
          charpos = 26, bytepos = 26}, dpvec_index = 675627912}, 
      end_charpos = 0, string_nchars = 140898704, area = 3221219048, 
      multibyte_p = 0, string_from_display_prop_p = 0, display_ellipsis_p = 1, 
      space_width = -1073748760, voffset = 20868, font_height = -1073744908}}, 
  sp = 140898704, selective_display_ellipsis_p = 0, ctl_arrow_p = 0, 
  selective = 138819200, what = 138818488, face_id = 134683188, 
  face_box_p = 0, start_of_box_run_p = 0, end_of_box_run_p = 1, 
  overlay_strings_at_end_processed_p = 1, glyph_not_available_p = 1, 
  starts_in_middle_of_char_p = 0, face_before_selective_p = 0, 
  base_face_id = 28, c = 0, len = 0, cmp_id = -1, cmp_len = -1, 
  char_to_display = 0, image_id = 0, space_width = 0, voffset = 0, 
  font_height = 0, object = 0, position = {charpos = 0, bytepos = 0}, 
  truncate_lines_p = 0, tab_width = 0, truncation_pixel_width = 0, 
  continuation_pixel_width = 0, first_visible_x = 0, last_visible_x = 0, 
  last_visible_y = 0, extra_line_spacing = 0, glyph_row = 0x0, 
  area = LEFT_MARGIN_AREA, nglyphs = 0, pixel_width = 0, ascent = 0, 
  descent = 0, max_ascent = 0, max_descent = 0, phys_ascent = 0, 
  phys_descent = 28, max_phys_ascent = 28, max_phys_descent = -1, 
  current_x = -1, continuation_lines_width = -1, current_y = -1, 
  first_vpos = 28, vpos = 28, hpos = -1, left_user_fringe_bitmap = 255, 
  left_user_fringe_face_id = 2097151, right_user_fringe_bitmap = 255, 
  right_user_fringe_face_id = 2097151}
current_matrix_up_to_date_p = 0
used_current_matrix_p = 0
buffer_unchanged_p = 0
temp_scroll_step = 0
count = 4
rc = 1
centering_position = 134670728
last_line_misfit = 0
(gdb) up
#6  0x807c513 in redisplay_window_0 (window=-2008664784) at xdisp.c:10535
10535       redisplay_window (window, 0);
(gdb) info locals
No locals.
(gdb) up
#7  0x81a07d8 in internal_condition_case_1 (
    bfun=0x807c4ec <redisplay_window_0>, arg=-2008664784, 
    handlers=-1471829816, hfun=0x807c4c4 <redisplay_window_error>)
    at eval.c:1374
1374      val = (*bfun) (arg);
(gdb) info locals
val = -2008664112
c = {tag = 675627912, val = 675627912, next = 0xbffff0c8, gcpro = 0x0, jmp = {{
      __jmpbuf = {-1471828824, -1073744908, 138818488, -1073748280, 
        -1073748516, 135923555}, __mask_was_saved = 0, __saved_mask = {
        __val = {0, 0, 2825904440, 1073873011, 2825904768, 4, 0, 8, 0, 101, 1, 
          0, 3221218936, 135840126, 675801272, 1212669192, 675627912, 0, 
          1213196912, 140886704, 3221218960, 135840330, 675801272, 1213196912, 
          143959192, 140886704, 138819536, 138816780, 138818488, 140886704, 
          143102744, 3221219000}}}}, backlist = 0x0, handlerlist = 0xbffff0b4, 
  lisp_eval_depth = 0, pdlcount = 4, poll_suppress_count = 1, 
  interrupt_input_blocked = 0, byte_stack = 0x0}
h = {handler = -1471829816, var = 675627912, chosen_clause = 0, 
  tag = 0xbfffe5fc, next = 0xbffff0b4}
(gdb) up
#8  0x807c4ab in redisplay_windows (window=-2008664784) at xdisp.c:10514
10514             internal_condition_case_1 (redisplay_window_0, window,
(gdb) info locals
w = (struct window *) 0x8463530
(gdb) up
#9  0x807b4b2 in redisplay_internal (preserve_echo_area=0) at xdisp.c:10099
10099                   redisplay_windows (FRAME_ROOT_WINDOW (f));
(gdb) info locals
f = (struct frame *) 0x84633b8
tail = -1471824216
frame = -2008665160
i = -2008665160
n = 0
size = 50
updated = (struct frame **) 0xbfffe6f0
w = (struct window *) 0x8463530
f = (struct frame *) 0x84633b8
pause = 0
must_finish = 1
tlbufpos = {charpos = 285, bytepos = 285}
tlendpos = {charpos = 0, bytepos = 0}
number_of_visible_frames = 1
count = 2
sf = (struct frame *) 0x84633b8
polling_stopped_here = 0
consider_all_windows_p = 1
(gdb) up
#10 0x8078bae in redisplay () at xdisp.c:9333
9333      redisplay_internal (0);
(gdb) info locals
No locals.
(gdb) up
#11 0x81250e7 in read_char (commandflag=1, nmaps=4, maps=0xbfffee60, 
    prev_event=675627912, used_mouse_menu=0xbfffef08) at keyboard.c:2472
2472                redisplay ();
(gdb) info locals
c = 675627912
count = 675627912
local_getcjmp = {{__jmpbuf = {0, 0, 0, 0, 0, 0}, __mask_was_saved = 1, 
    __saved_mask = {__val = {1, 4294967295, 4294967295, 4294967295, 
        4294967295, 28, 28, 4294967295, 4294967295, 675688344, 4294967295, 
        3221220872, 136296012, 143959192, 675688344, 143959192, 675688344, 0, 
        3221221556, 0, 1212721420, 3221222388, 3221220892, 135840330, 
        675947784, 1212721420, 1073873011, 3221222388, 3221220960, 135489206, 
        675992968, 136288824}}}}
save_jump = {{__jmpbuf = {426298, 675688344, 143959192, -1470036472, 
      -1470036472, -1470036472}, __mask_was_saved = -1073746656, 
    __saved_mask = {__val = {135848064, 2824930824, 135848048, 2824930824, 
        3221220880, 135923672, 2824930824, 1073873011, 675688776, 675627912, 
        675688344, 3221220676, 3221221556, 675627912, 675627912, 3221221576, 
        0, 1073873011, 3221222388, 3221222084, 3221220880, 3221220644, 
        135923555, 0, 0, 0, 0, 0, 0, 0, 0, 0}}}}
key_already_recorded = 0
tem = 136292538
save = -1073746676
previous_echo_area_message = 675627912
also_record = 675627912
reread = 0
gcpro1 = {next = 0x6813a, var = 0x1, nvars = 675627912}
gcpro2 = {next = 0x84ad894, var = 0x84ad894, nvars = 143959192}
last_idle_start = {tv_sec = -1073746712, tv_usec = 136276167}
polling_stopped_here = 0
(gdb) up
#12 0x812ee31 in read_key_sequence (keybuf=0xbffff024, bufsize=30, 
    prompt=675627912, dont_downcase_last=0, can_return_switch_frame=1, 
    fix_current_buffer=1) at keyboard.c:8770
8770                key = read_char (NILP (prompt), nmaps,
(gdb) info locals
interrupted_kboard = (KBOARD *) 0x8463368
interrupted_frame = (struct frame *) 0x84633b8
key = 4
used_mouse_menu = 0
last_real_key_start = 0
echo_local_start = 0
keys_local_start = 0
local_first_binding = 0
from_string = 675627912
count = 2
t = 0
echo_start = 0
keys_start = 0
nmaps = 4
nmaps_allocated = 4
defs = (int *) 0xbfffee50
submaps = (int *) 0xbfffee60
orig_local_map = -1468802112
orig_keymap = 675627912
localized_local_map = 0
first_binding = 0
first_unbound = 31
mock_input = 0
fkey = {map = -1471828672, parent = -1471828672, start = 0, end = 0}
keytran = {map = -1471171528, parent = -1471171528, start = 0, end = 0}
delayed_switch_frame = 675627912
original_uppercase = 134696376
original_uppercase_position = -1
dummyflag = 0
starting_buffer = (struct buffer *) 0x894a498
fake_prefixed_keys = 675627912
gcpro1 = {next = 0x81a36f7, var = 0x88640100, nvars = 134697696}
(gdb) up
#13 0x8122aa8 in command_loop_1 () at keyboard.c:1476
1476          i = read_key_sequence (keybuf, sizeof keybuf / sizeof keybuf[0],
(gdb) info locals
cmd = 675685184
lose = -1073745516
nonundocount = 0
keybuf = {27, 120, 0, 0, 0, 1074258952, 0, 0, 8, 1078292527, 0, 1047354184, 0, 
  1047354186, 0, 0, 0, -1073745792, 1076696226, 1077318796, 4096, 0, 
  -1073745772, -1073745976, 0, 1074724864, 1, 675627912, 1076465614, 135406984}
i = 2
no_direct = 0
prev_modiff = 1
prev_buffer = (struct buffer *) 0x845ffe8
was_locked = 0
already_adjusted = 0
(gdb) up
#14 0x81a06b3 in internal_condition_case (bfun=0x8122720 <command_loop_1>, 
    handlers=675688776, hfun=0x8122270 <cmd_error>) at eval.c:1333
1333      val = (*bfun) ();
(gdb) info locals
val = 0
c = {tag = 675627912, val = 675627912, next = 0xbffff1bc, gcpro = 0x0, jmp = {{
      __jmpbuf = {135406984, -1073744908, -1073745212, -1073745516, 
        -1073745752, 135923259}, __mask_was_saved = 0, __saved_mask = {
        __val = {0 <repeats 21 times>, 1077318796, 140819672, 0, 3221221768, 
          135806435, 140819672, 1077318796, 1076469322, 3221222036, 135513542, 
          17}}}}, backlist = 0x0, handlerlist = 0x0, lisp_eval_depth = 0, 
  pdlcount = 2, poll_suppress_count = 1, interrupt_input_blocked = 0, 
  byte_stack = 0x0}
h = {handler = 675688776, var = 675627912, chosen_clause = 675627912, 
  tag = 0xbffff0c8, next = 0x0}
(gdb) up
#15 0x81225a5 in command_loop_2 () at keyboard.c:1264
1264        val = internal_condition_case (command_loop_1, Qerror, cmd_error);
(gdb) info locals
val = 135406984
(gdb) up
#16 0x81a0136 in internal_catch (tag=675682840, 
    func=0x8122588 <command_loop_2>, arg=675627912) at eval.c:1094
1094        c.val = (*func) (arg);
(gdb) info locals
c = {tag = 675682840, val = 675627912, next = 0x0, gcpro = 0x0, jmp = {{
      __jmpbuf = {0, -1073744908, -1073745212, -1073745276, -1073745488, 
        135921956}, __mask_was_saved = 0, __saved_mask = {__val = {1073807360, 
          1076413656, 3221221756, 1073772950, 1076413612, 1078035786, 
          675627912, 675823408, 1212669872, 0, 0, 0, 0, 0, 0, 0, 3221221992, 
          135842134, 675823408, 1212669872, 675627912, 138805224, 0, 
          3221222388, 3221222084, 135970644, 2823136784, 2823700360, 
          1212669872, 3221222388, 2823700360, 0}}}}, backlist = 0x0, 
  handlerlist = 0x0, lisp_eval_depth = 0, pdlcount = 2, 
  poll_suppress_count = 1, interrupt_input_blocked = 0, byte_stack = 0x0}
(gdb) up
#17 0x812255f in command_loop () at keyboard.c:1243
1243            internal_catch (Qtop_level, command_loop_2, Qnil);
(gdb) info locals
No locals.
(gdb) up
#18 0x8121ffe in recursive_edit_1 () at keyboard.c:959
959       val = command_loop ();
(gdb) info locals
count = 1
val = -1073745220
(gdb) up
#19 0x8122137 in Frecursive_edit () at keyboard.c:1015
1015      recursive_edit_1 ();
(gdb) info locals
count = 0
buffer = 675627912
(gdb) up
#20 0x8120afd in main (argc=1, argv=0xbffff574) at emacs.c:1682
1682      Frecursive_edit ();
(gdb) info locals
dummy = -1073744592
stack_bottom_variable = 0 '\000'
do_initial_setlocale = 1
skip_args = 0
rlim = {rlim_cur = 9223372036854775807, rlim_max = 9223372036854775807}
no_loadup = 0
junk = 0x0
(gdb) up
Initial frame selected; you cannot go up.
(gdb) quit
koie@sakura% exit

--
KOIE Hidetaka / koie@suri.co.jp / SURIGIKEN Co.,LTD.