704 lines
18 KiB
PHP
704 lines
18 KiB
PHP
delete_file_worker:
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; in: ecx=flags: 1=deleting directory
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; out: eax=0 - OK, eax=1 - retry, eax=2 - skip, eax=-1 - cancel,
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; PF, ZF, CF and SF set accordingly to 'cmp eax,2' (or 'cmp al,2')
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push ebx
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push 70
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pop eax
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mov ebx, delinfo
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int 0x40
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pop ebx
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test eax, eax
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jz .ret
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cmp [del_bSkipAll], 0
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jz @f
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push 2
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pop eax
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jmp .ret
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@@:
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push execdata
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push aCannotDeleteFolder
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test cl, 1
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jnz @f
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mov dword [esp], aCannotDeleteFile
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@@:
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call get_error_msg
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push eax
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mov eax, esp
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push DeleteErrorBtn
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push 4
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push eax
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push 3
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push -1
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push -1
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push aError
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call SayErr
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add esp, 3*4
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cmp al, -1
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jz @f
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inc eax
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cmp al, 4 ; "cancel" button
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jnz @f
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or eax, -1
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@@:
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cmp al, 3 ; "skip all" button
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jnz .ret
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mov [del_bSkipAll], 1
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dec eax
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.ret:
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cmp al, 2
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ret
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delete_file:
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; in: eax->BDFE block
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; out: CF and ZF not set <=> cancel job ("ja cancel_label")
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pushad
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mov [del_dir_stack_ptr], del_dir_stack
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lea esi, [ebp + panel1_dir - panel1_data]
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mov edi, execdata
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@@:
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lodsb
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test al, al
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jz @f
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stosb
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jmp @b
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@@:
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mov esi, [esp+28]
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mov ecx, esi
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add esi, 40
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mov al, '/'
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stosb
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.l1:
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lodsb
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cmp edi, execdataend
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jb @f
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call panels_OnKey.bigfilename
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popad
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ret
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@@:
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stosb
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test al, al
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jnz .l1
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mov ecx, [esp+28]
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test byte [ecx], 10h
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jnz .delete_dir
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.retrydel:
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xor ecx, ecx
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call delete_file_worker
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jae @f
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jp .retrydel
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@@:
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popad
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ret
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.delete_dir:
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; recursive delete of directory
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xor ebp, ebp ; ebp will contain number of undeletable items
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.return_from_recursion:
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mov ebx, dirinfo
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mov [ebx+dirinfo.first-dirinfo], ebp
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mov [ebx+dirinfo.size-dirinfo], del_dir_query_size
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mov [ebx+dirinfo.dirdata-dirinfo], del_dir_query_area
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mov [ebx+dirinfo.name-dirinfo], execdata
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push 70
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pop eax
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int 0x40
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; if we get read error, the best available action is try to delete directory itself
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test eax, eax
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jz @f
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cmp eax, 6
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jnz .do_delete_dir
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@@:
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; loop through a directory and delete items
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mov edx, del_dir_query_area+32
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imul ebx, 304
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add ebx, edx
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.delete_dir_entry_loop:
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cmp edx, ebx
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jb .do_delete_dir_entry
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cmp ebx, del_dir_query_area+32+304*del_dir_query_size
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jnz .delete_dir_entry_done
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jmp .return_from_recursion
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.do_delete_dir_entry:
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; ignore special entries "." and ".."
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inc ebp
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cmp word [edx+40], '.'
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jz .delete_dir_entry_continue
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cmp word [edx+40], '..'
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jnz @f
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cmp byte [edx+42], 0
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jz .delete_dir_entry_continue
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@@:
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dec ebp
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mov esi, execdata
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@@:
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lodsb
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test al, al
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jnz @b
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mov byte [esi-1], '/'
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mov edi, esi
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lea esi, [edx+40]
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@@:
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cmp edi, execdataend
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jae .fullname_big
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lodsb
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stosb
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test al, al
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jnz @b
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test byte [edx], 10h
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jnz .entry_is_folder
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.retry2:
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xor ecx, ecx
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call delete_file_worker
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ja .cancel
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jz .skip
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jp .retry2
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jmp .restore_name
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.entry_is_folder:
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; allocate new item in directory stack
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mov eax, [del_dir_stack_ptr]
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mov [eax], ebp
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add eax, 4
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mov [del_dir_stack_ptr], eax
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; do recursive deleting
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jmp .delete_dir
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.fullname_big:
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; we will just ignore such files and continue - in real life this situation can not happen
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inc ebp
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mov esi, execdataend-1
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jmp .do_restore_name
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.skip:
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inc ebp
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.restore_name:
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mov esi, execdata
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@@:
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lodsb
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test al, al
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jnz @b
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dec esi
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dec esi
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.do_restore_name:
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call delete_last_name
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.delete_dir_entry_continue:
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add edx, 304
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jmp .delete_dir_entry_loop
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.delete_dir_entry_done:
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.do_delete_dir:
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mov cl, 1
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call delete_file_worker
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ja .cancel
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jz @f
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jp .delete_dir
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@@:
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; al=0 - OK, al=2 - skip this directory
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; return to previous directory
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; pop item from directory stack
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mov ecx, [del_dir_stack_ptr]
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cmp ecx, del_dir_stack
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jbe .done
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sub ecx, 4
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mov [del_dir_stack_ptr], ecx
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mov ebp, [ecx]
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cmp al, 2
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sbb ebp, -1
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; restore prev directory name
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mov esi, execdata
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call delete_last_name_from_end
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jmp .return_from_recursion
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.done:
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.cancel:
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mov [dirinfo.first], 0 ; do not destroys flags
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popad
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ret
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makedir:
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; create directory with name from CopyDestEditBuf+12
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; destroys eax
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push ebx
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push 70
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pop eax
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mov ebx, mkdirinfo
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int 0x40
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pop ebx
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test eax, eax
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jz .ret
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cmp dword [esp+8], DeleteErrorBtn
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jnz @f
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cmp [copy_bSkipAll], 0
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jz @f
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push 1
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pop eax
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jmp .ret
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@@:
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push dword CopyDestEditBuf+12
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push dword aCannotMakeFolder
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call get_error_msg
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push eax
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mov eax, esp
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push dword [eax+20]
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push dword [eax+16]
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push eax
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push 3
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push -1
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push -1
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push dword aError
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call SayErr
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add esp, 3*4
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test eax, eax
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jz makedir
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.ret:
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ret 8
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copy_file_worker:
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; in: execdata = source name, CopyDestEditBuf+12 = destination name, edx = BDFE block for source
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; out: CF and ZF not set <=> cancel job ("ja cancel_label")
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; destroys eax,esi,edi
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push CopyDestEditBuf+12+513
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cmp [bDestIsFolder], 0
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jz .noaddtoname
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mov esi, CopyDestEditBuf+12
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@@:
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lodsb
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test al, al
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jnz @b
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mov byte [esi-1], '/'
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pop edi
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push esi
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mov edi, esi
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lea esi, [edx+40]
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@@:
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cmp edi, CopyDestEditBuf+12+513
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jae .overflow
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lodsb
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stosb
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test al, al
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jnz @b
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jmp .noaddtoname
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.overflow:
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.ret_zf:
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pop esi
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and byte [esi-1], 0 ; ZF=1
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ret
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.noaddtoname:
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; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>!
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mov esi, execdata
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mov edi, CopyDestEditBuf+12
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push esi edi
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call strcmpi
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pop edi esi
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jnz @f
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push esi
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push aCannotCopyToSelf
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mov eax, esp
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push ContinueBtn
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push 1
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push eax
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push 2
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push -1
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push -1
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push aError
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call SayErr
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pop eax
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pop eax
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jmp .ret_zf
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@@:
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; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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; esi->source name, edi->destination name
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push ebx
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mov [writeinfo.code], 2
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mov [writeinfo.name], edi
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and dword [writeinfo.first], 0
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and dword [writeinfo.first+4], 0
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mov [writeinfo.data], copy_buffer
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mov ebx, readinfo
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and dword [ebx+readinfo.first-readinfo], 0
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and dword [ebx+readinfo.first+4-readinfo], 0
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mov [ebx+readinfo.size-readinfo], copy_buffer_size
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mov [ebx+readinfo.data-readinfo], copy_buffer
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mov [ebx+readinfo.name-readinfo], esi
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.copyloop:
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mov ebx, readinfo
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push 70
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pop eax
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int 0x40
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test eax, eax
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jz .copyreadok
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cmp eax, 6
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jz .copyreadok
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cmp [copy_bSkipAll2], 0
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jnz .copyfailed_del2
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push esi
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push dword aCannotReadFile
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call get_error_msg
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push eax
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mov eax, esp
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push dword DeleteErrorBtn
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push 4
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push eax
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push 3
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push -1
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push -1
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push dword aError
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call SayErr
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add esp, 3*4
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test eax, eax
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jz .copyloop
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jmp .copyfailed_parseuser
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.copyreadok:
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add dword [readinfo.first], ebx
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adc dword [readinfo.first+4], 0
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mov [writeinfo.size], ebx
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test ebx, ebx
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jnz .copywrite
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cmp byte [writeinfo.code], 2
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jnz .copydone
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.copywrite:
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mov ebx, writeinfo
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push 70
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pop eax
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int 0x40
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test eax, eax
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jz .copywriteok
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cmp [copy_bSkipAll2], 0
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jnz .copyfailed_del2
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push edi
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push dword aCannotWriteFile
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call get_error_msg
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push eax
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mov eax, esp
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push dword DeleteErrorBtn
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push 4
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push eax
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push 3
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push -1
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push -1
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push dword aError
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call SayErr
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add esp, 3*4
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test eax, eax
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jz .copywrite
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.copyfailed_parseuser:
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cmp al, 2
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jnz @f
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mov [copy_bSkipAll2], 1
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dec eax
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@@:
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cmp al, 1
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pushf
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jmp .copyfailed
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.copywriteok:
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mov ecx, [writeinfo.size]
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add dword [writeinfo.first], ecx
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adc dword [writeinfo.first+4], 0
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mov [writeinfo.code], 3
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cmp ecx, copy_buffer_size
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jz .copyloop
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.copydone:
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; now try to set attributes from source, ignore errors
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mov edi, attrinfo.attr
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mov esi, edx
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push 8
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pop ecx
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rep movsd
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mov ebx, attrinfo
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mov [ebx+attrinfo.name-attrinfo], CopyDestEditBuf+12
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inc dword [ebx]
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push 70
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pop eax
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push ebx
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int 0x40
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pop ebx
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dec dword [ebx]
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xor eax, eax ; ZF=1
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.ret:
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pop ebx
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pop esi
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mov byte [esi-1], 0
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ret
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.copydone2:
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popf
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jmp .ret
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.copyfailed:
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cmp [bConfirmDeleteIncomplete], 0
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jz .copyfailed_del
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cmp [writeinfo.code], 2
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jz .copydone2
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push dword aIncompleteFile
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mov eax, esp
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push dword DeleteOrKeepBtn
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push 2
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push eax
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push 1
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push -1
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push -1
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push dword aCopyCaption
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call SayErr
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add esp, 4
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test eax, eax
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jnz .copydone2
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.copyfailed_del:
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mov ebx, delinfo
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push dword [ebx+21]
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mov dword [ebx+21], edi
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push 70
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pop eax
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int 0x40
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; ignore errors
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pop dword [delinfo+21]
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jmp .copydone2
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.copyfailed_del2:
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xor eax, eax
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pushf
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jmp .copyfailed_del
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copy_file:
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; in: eax->BDFE block for source, CopyDestEditBuf+12 contains ASCIIZ full name for destination
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; out: CF and ZF not set <=> cancel job ("ja cancel_label")
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pushad
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mov [copy_dir_stack_ptr], copy_dir_stack
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mov [bNeedRestoreName], 0
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lea esi, [ebp + panel1_dir - panel1_data]
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mov edi, execdata
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@@:
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lodsb
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test al, al
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jz @f
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stosb
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jmp @b
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@@:
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mov esi, [esp+28]
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add esi, 40
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mov al, '/'
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stosb
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.l1:
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lodsb
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cmp edi, execdataend
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jb @f
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call panels_OnKey.bigfilename
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popad
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ret
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@@:
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stosb
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test al, al
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jnz .l1
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mov edx, [esp+28]
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test byte [edx], 10h
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jnz .copy_dir
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call copy_file_worker
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.popad_ret:
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popad
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ret
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.biiig:
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mov byte [edi-1], 0
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jmp .popad_ret
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.copy_dir:
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; recursive copy of directory
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cmp [bDestIsFolder], 0
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mov [bDestIsFolder], 0
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jz .target_created
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mov [bNeedRestoreName], 1
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mov esi, CopyDestEditBuf+12
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@@:
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lodsb
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test al, al
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jnz @b
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mov byte [esi-1], '/'
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mov edi, esi
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lea esi, [edx+40]
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@@:
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cmp edi, CopyDestEditBuf+12+513
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jae .biiig
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lodsb
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stosb
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test al, al
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jnz @b
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.create_target:
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.enter_recursion:
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push DeleteErrorBtn
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push 4
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call makedir
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jz .target_created
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cmp al, 2
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jnz @f
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dec eax
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mov [copy_bSkipAll], 1
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@@:
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cmp al, 1
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jz .copy_dir_entry_done
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jmp .cancel
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.target_created:
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xor ebp, ebp ; ebp will contain number of copied items
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.return_from_recursion:
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.read_retry:
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mov ebx, dirinfo
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mov [ebx+dirinfo.first-dirinfo], ebp
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mov [ebx+dirinfo.size-dirinfo], copy_dir_query_size
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mov [ebx+dirinfo.dirdata-dirinfo], copy_dir_query_area
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mov [ebx+dirinfo.name-dirinfo], execdata
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push 70
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pop eax
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int 0x40
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test eax, eax
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jz .readok
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cmp eax, 6
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jz .readok
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; read error
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cmp [copy_bSkipAll], 0
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jz .skip1
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push execdata
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push aCannotReadFolder
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call get_error_msg
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push eax
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mov eax, esp
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push DeleteErrorBtn
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push 4
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push eax
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push 3
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push -1
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push -1
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push aError
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call SayErr
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add esp, 3*4
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test al, al
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jz .read_retry
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cmp al, 2
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jnz @f
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dec eax
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mov [copy_bSkipAll], 1
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@@:
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cmp al, 1
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jz .skip1
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jmp .cancel
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.readok:
|
||
; loop through a directory and copy items
|
||
mov edx, copy_dir_query_area+32
|
||
imul ebx, 304
|
||
add ebx, edx
|
||
.copy_dir_entry_loop:
|
||
cmp edx, ebx
|
||
jb .do_copy_dir_entry
|
||
cmp ebx, copy_dir_query_area+32+copy_dir_query_size*304
|
||
jz .return_from_recursion
|
||
jmp .copy_dir_entry_done
|
||
.do_copy_dir_entry:
|
||
inc ebp
|
||
; ignore special entries "." and ".."
|
||
cmp word [edx+40], '.'
|
||
jz .copy_dir_entry_continue
|
||
cmp word [edx+40], '..'
|
||
jnz @f
|
||
cmp byte [edx+42], 0
|
||
jz .copy_dir_entry_continue
|
||
@@:
|
||
mov esi, execdata
|
||
@@:
|
||
lodsb
|
||
test al, al
|
||
jnz @b
|
||
mov byte [esi-1], '/'
|
||
mov edi, esi
|
||
lea esi, [edx+40]
|
||
@@:
|
||
cmp edi, execdataend
|
||
jae .fullname_big
|
||
lodsb
|
||
stosb
|
||
test al, al
|
||
jnz @b
|
||
mov esi, CopyDestEditBuf+12
|
||
@@:
|
||
lodsb
|
||
test al, al
|
||
jnz @b
|
||
mov byte [esi-1], '/'
|
||
mov edi, esi
|
||
lea esi, [edx+40]
|
||
@@:
|
||
cmp edi, CopyDestEditBuf+513
|
||
jae .fullname2_big
|
||
lodsb
|
||
stosb
|
||
test al, al
|
||
jnz @b
|
||
test byte [edx], 10h
|
||
jnz .entry_is_folder
|
||
call copy_file_worker
|
||
ja .cancel
|
||
jmp .restore_name
|
||
.entry_is_folder:
|
||
; allocate new item in directory stack
|
||
mov eax, [copy_dir_stack_ptr]
|
||
mov [eax], ebp
|
||
add eax, 4
|
||
mov [copy_dir_stack_ptr], eax
|
||
; do recursive copying
|
||
jmp .enter_recursion
|
||
.fullname_big:
|
||
; we will just ignore such files and continue - in real life this situation can not happen
|
||
mov esi, execdataend-1
|
||
jmp .do_restore_name2
|
||
.fullname2_big:
|
||
mov esi, CopyDestEditBuf+12+512
|
||
jmp .restore_name2
|
||
.skip1:
|
||
.restore_name:
|
||
mov esi, CopyDestEditBuf+12
|
||
@@:
|
||
lodsb
|
||
test al, al
|
||
jnz @b
|
||
dec esi
|
||
dec esi
|
||
.restore_name2:
|
||
call delete_last_name
|
||
mov esi, execdata
|
||
@@:
|
||
lodsb
|
||
test al, al
|
||
jnz @b
|
||
dec esi
|
||
dec esi
|
||
.do_restore_name2:
|
||
call delete_last_name
|
||
.copy_dir_entry_continue:
|
||
add edx, 304
|
||
jmp .copy_dir_entry_loop
|
||
.copy_dir_entry_done:
|
||
; return to previous directory
|
||
; pop item from directory stack
|
||
mov ecx, [copy_dir_stack_ptr]
|
||
cmp ecx, copy_dir_stack
|
||
jbe .done
|
||
sub ecx, 4
|
||
mov [copy_dir_stack_ptr], ecx
|
||
mov ebp, [ecx]
|
||
; restore prev directory name
|
||
mov esi, execdata
|
||
call delete_last_name_from_end
|
||
mov esi, CopyDestEditBuf+12
|
||
call delete_last_name_from_end
|
||
jmp .return_from_recursion
|
||
.done:
|
||
.cancel:
|
||
mov [dirinfo.first], 0 ; do not destroys flags
|
||
popad
|
||
ret
|
||
|
||
delete_last_name_from_end:
|
||
lodsb
|
||
test al, al
|
||
jnz delete_last_name_from_end
|
||
dec esi
|
||
dec esi
|
||
delete_last_name:
|
||
std
|
||
@@:
|
||
lodsb
|
||
cmp al, '/'
|
||
jnz @b
|
||
cld
|
||
mov byte [esi+1], 0
|
||
ret
|