fix divide by 0 in function edit_box.get_n

git-svn-id: svn://kolibrios.org@8681 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-04-25 19:46:48 +00:00 · 2021-04-25 19:46:48 +00:00 · 0a0040e190
commit 0a0040e190
parent 7f4ba4d3e1
1 changed files with 6 additions and 0 deletions
--- a/programs/develop/libraries/box_lib/trunk/editbox.asm
+++ b/programs/develop/libraries/box_lib/trunk/editbox.asm
@ -772,10 +772,16 @@ edit_box.draw_bg_eax:
 ;----------------------------------------------------------
 ;--- ¯à®æ¥¤ãà  ¯®«ãç¥¨ï ª®«¨ç¥áâ¢  á¨¬¢®«®¢ ¢ â¥ªãé¥© è¨à¨¥ ª®¬¯®¥â 
 ;----------------------------------------------------------
+align 4
 edit_box.get_n:
 	mov	eax,ed_width
 	sub	eax,4
 	xor	edx,edx
+	cmp word ed_char_width,0
+	jne @f
+	xor eax,eax
+	ret
+	@@:
 	div	word ed_char_width
 	ret