KolibriOS/kolibrios
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bugfix in sysfn 67: avoid system crash for invalid parameter

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git-svn-id: svn://kolibrios.org@856 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Evgeny Grechnikov (Diamond) 2008-08-25 16:37:47 +00:00
parent 06eb2f3614
commit a881989d7c
2 changed files with 10 additions and 8 deletions
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8
kernel/trunk/gui/window.inc
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@ -562,10 +562,10 @@ check_window_position:
pushad ; window inside screen ?
movsx eax,word [edi+WDATA.box.left]
movsx ebx,word [edi+WDATA.box.top]
movsx ecx,word [edi+WDATA.box.width]
movsx edx,word [edi+WDATA.box.height]
mov eax, [edi+WDATA.box.left]
mov ebx, [edi+WDATA.box.top]
mov ecx, [edi+WDATA.box.width]
mov edx, [edi+WDATA.box.height]
cmp ecx,[Screen_Max_X] ; check x size
jbe x_size_ok

10
kernel/trunk/kernel.asm
View File

@ -3018,12 +3018,14 @@ sys_set_window:
add eax,100
mov [new_window_starting],eax
mov word[edi+WDATA.box.width],bx
mov word[edi+WDATA.box.height],cx
movsx eax,bx
mov [edi+WDATA.box.width],eax
movsx eax,cx
mov [edi+WDATA.box.height],eax
sar ebx,16
sar ecx,16
mov word[edi+WDATA.box.left],bx
mov word[edi+WDATA.box.top],cx
mov [edi+WDATA.box.left],ebx
mov [edi+WDATA.box.top],ecx
call check_window_position