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Boxlib: fix write null pointer in editbox

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This commit is contained in:
IgorA
2025-03-16 22:08:03 +02:00
committed by Gleb Zaharov
parent 72196f42de
commit bab6267412
1 changed files with 9 additions and 3 deletions
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12
programs/develop/libraries/box_lib/trunk/editbox.asm
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@@ -601,6 +601,8 @@ edit_box_mouse:
jnz edit_box_mouse.mouse_left_button jnz edit_box_mouse.mouse_left_button
and word ed_flags,ed_mouse_on_off and word ed_flags,ed_mouse_on_off
mov ebx,ed_mouse_variable mov ebx,ed_mouse_variable
or ebx,ebx
jz edit_box_exit
push 0 push 0
pop dword [ebx] pop dword [ebx]
jmp edit_box_exit jmp edit_box_exit
@@ -610,13 +612,14 @@ edit_box_mouse:
;--- <20><><EFBFBD><EFBFBD><EFBFBD>஢<EFBFBD><E0AEA2> <20><> 䮪<><E4AEAA><EFBFBD>஢<EFBFBD><E0AEA2> <20> <20><>㣨<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ;--- <20><><EFBFBD><EFBFBD><EFBFBD>஢<EFBFBD><E0AEA2> <20><> 䮪<><E4AEAA><EFBFBD>஢<EFBFBD><E0AEA2> <20> <20><>㣨<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;---------------------------------------------------------- ;----------------------------------------------------------
mov eax,ed_mouse_variable mov eax,ed_mouse_variable
test eax,eax
jz @f ;<3B>᫨ ed_mouse_variable=0
push dword [eax] push dword [eax]
pop eax pop eax
test eax,eax test eax,eax
jz @f jz @f ;<3B>᫨ [ed_mouse_variable]=0
cmp eax,edi cmp eax,edi
je @f jne edit_box_mouse._blur
jmp edit_box_mouse._blur
;---------------------------------------------------------- ;----------------------------------------------------------
;--- <20><><EFBFBD><EFBFBD>砥<EFBFBD> <20><><EFBFBD>न<EFBFBD><E0A4A8><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20>⭮<EFBFBD><E2ADAE>⥫쭮 0 <20>.<2E> <20>ᥩ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>࠭<EFBFBD> ;--- <20><><EFBFBD><EFBFBD>砥<EFBFBD> <20><><EFBFBD>न<EFBFBD><E0A4A8><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20>⭮<EFBFBD><E2ADAE>⥫쭮 0 <20>.<2E> <20>ᥩ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>࠭<EFBFBD>
;---------------------------------------------------------- ;----------------------------------------------------------
@@ -672,8 +675,11 @@ edit_box_mouse._mshift:
or word ed_flags,ed_mouse_on or word ed_flags,ed_mouse_on
mov ed_pos,eax mov ed_pos,eax
mov ebx,ed_mouse_variable mov ebx,ed_mouse_variable
or ebx,ebx
jz edit_box_mouse.mv_end
push edi push edi
pop dword [ebx] pop dword [ebx]
edit_box_mouse.mv_end:
bts word ed_flags,1 bts word ed_flags,1
call edit_box_draw.bg call edit_box_draw.bg
jmp edit_box_mouse.m_sh jmp edit_box_mouse.m_sh