Re: divide-by-zero during redisplay

[Miles Bader]

Ok, the problem also occurs while displaying the HELLO buffer.

Here's some debugging prints in case it's useful:

0x081d9bc5 in xfont_open (f=0x8730600, entity=187898252, pixel_size=12) at 
/usr/local/src/emacs/miles/src/xfont.c:616
(gdb) p font
$1 = (struct font *) 0xb3318b0
(gdb) p *font
$2 = {
  size = 1075838994, 
  next = 0x8875b38, 
  props = {138058081, 140052105, 140052105, 141259337, 183594753, 205448, 
205064, 205312, 96, 0, 0, 0, 137858329, 137858329, 184390795, 184390795, 
137858329, 138058081}, 
  max_width = 0, 
  pixel_size = 12, 
  height = 15, 
  space_width = 0, 
  average_width = 0, 
  min_width = 0, 
  ascent = 12, 
  descent = 3, 
  underline_thickness = 0, 
  underline_position = 0, 
  vertical_centering = 0, 
  encoding_type = 0 '\0', 
  baseline_offset = 0, 
  relative_compose = 0, 
  default_ascent = 0, 
  font_encoder = 0x0, 
  driver = 0x832fa80, 
  encoding_charset = 2, 
  repertory_charset = -1
}
(gdb) p pcm
$3 = (XCharStruct *) 0x0
(gdb) p props[0]
No symbol "props" in current context.
(gdb) p font->props[0]
$4 = 138058081
(gdb) pr
x
(gdb) p font->props[1]
$5 = 140052105
(gdb) pr
wenquanyi
(gdb) p font->props[2]
$6 = 140052105
(gdb) pr
wenquanyi
(gdb) p font->props[3]
$7 = 141259337
(gdb) pr

(gdb) p font->props[4]
$8 = 183594753
(gdb) pr
gb18030\.2000-0
(gdb) p font->props[5]
$9 = 205448
(gdb) pr
25681
(gdb) p font->props[6]
$10 = 205064
(gdb) pr
25633
(gdb) p font->props[7]
$11 = 205312
(gdb) pr
25664
(gdb) p font->props[8]
$12 = 96
(gdb) pr
12
(gdb) p font->props[9]
$13 = 0
(gdb) p font->props[10]
$14 = 0
(gdb) p font->props[11]
$15 = 0
(gdb) pr
0
(gdb) p font->props[12]
$16 = 137858329
(gdb) pr
nil
(gdb) p font->props[13]
$17 = 137858329
(gdb) pr
nil
(gdb) p font->props[14]
$18 = 184390795
(gdb) pr
"-wenquanyi-wenquanyi-medium-r-normal--12-87-100-100-p-120-gb18030.2000-0"
(gdb) p font->props[15]
$19 = 184390795
(gdb) pr
"-wenquanyi-wenquanyi-medium-r-normal--12-87-100-100-p-120-gb18030.2000-0"
(gdb) p font->props[16]
$20 = 137858329
(gdb) pr
nil
(gdb) p font->props[17]
$21 = 138058081
(gdb) pr
x
(gdb) p font->props[18]
$22 = 0
(gdb) 


-Miles

-- 
Accordion, n. An instrument in harmony with the sentiments of an assassin.