forked from KolibriOS/kolibrios
248 lines
6.2 KiB
PHP
248 lines
6.2 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;-------------------------------------------------------------------------
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;
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; File path partial substitution (according to configuration)
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;
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;
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; SPraid
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;
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;-------------------------------------------------------------------------
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$Revision: 3780 $
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iglobal
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; pointer to memory for path replace table,
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; size of one record is 128 bytes: 64 bytes for search pattern + 64 bytes for replace string
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; start with one entry: sys -> <sysdir>
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full_file_name_table dd sysdir_name
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.size dd 1
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tmp_file_name_size dd 1
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endg
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uglobal
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; Parser_params will initialize: sysdir_name = "sys", sysdir_path = <sysdir>
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sysdir_name rb 64
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sysdir_path rb 64
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sysdir_name1 rb 64
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sysdir_path1 rb 64
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; for example:
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;dir_name1 db 'KolibriOS',0
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; rb 64-8
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;dir_path1 db 'HD0/1',0
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; rb 64-6
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endg
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uglobal
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tmp_file_name_table dd ?
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endg
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; use bx_from_load and init system directory /sys
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proc Parser_params
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locals
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buff db 4 dup(?) ; for test cd
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endl
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mov eax, [OS_BASE+0x10000+bx_from_load]
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mov ecx, sysdir_path
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mov [ecx-64], dword 'sys'
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cmp al, 'r'; if ram disk
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jnz @f
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mov [ecx], dword 'RD/?'
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mov [ecx+3], byte ah
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mov [ecx+4], byte 0
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ret
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@@:
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cmp al, 'm'; if ram disk
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jnz @f
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mov [ecx], dword 'CD?/'; if cd disk {m}
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mov [ecx+4], byte '1'
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mov [ecx+5], dword '/KOL'
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mov [ecx+9], dword 'IBRI'
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mov [ecx+13], byte 0
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.next_cd:
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mov [ecx+2], byte ah
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inc ah
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cmp ah, '5'
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je .not_found_cd
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lea edx, [buff]
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pushad
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stdcall read_file, read_firstapp, edx, 0, 4
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popad
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cmp [edx], dword 'MENU'
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jne .next_cd
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jmp .ok
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@@:
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sub al, 49
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mov [ecx], dword 'HD?/'; if hard disk
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mov [ecx+2], byte al
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mov [ecx+4], byte ah
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mov [ecx+5], dword '/KOL'
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mov [ecx+9], dword 'IBRI'
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mov [ecx+13], byte 0
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.ok:
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.not_found_cd:
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ret
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endp
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proc load_file_parse_table
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stdcall kernel_alloc, 0x1000
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mov [tmp_file_name_table], eax
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mov edi, eax
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mov esi, sysdir_name
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mov ecx, 128/4
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rep movsd
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invoke ini.enum_keys, conf_fname, conf_path_sect, get_every_key
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mov eax, [tmp_file_name_table]
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mov [full_file_name_table], eax
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mov eax, [tmp_file_name_size]
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mov [full_file_name_table.size], eax
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ret
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endp
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uglobal
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def_val_1 db 0
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endg
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proc get_every_key stdcall, f_name, sec_name, key_name
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mov esi, [key_name]
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mov ecx, esi
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cmp byte [esi], '/'
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jnz @f
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inc esi
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@@:
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mov edi, [tmp_file_name_size]
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shl edi, 7
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cmp edi, 0x1000
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jae .stop_parse
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add edi, [tmp_file_name_table]
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lea ebx, [edi+64]
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@@:
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cmp edi, ebx
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jae .skip_this_key
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lodsb
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test al, al
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jz @f
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or al, 20h
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stosb
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jmp @b
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@@:
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stosb
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invoke ini.get_str, [f_name], [sec_name], ecx, ebx, 64, def_val_1
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cmp byte [ebx], '/'
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jnz @f
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lea esi, [ebx+1]
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mov edi, ebx
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mov ecx, 63
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rep movsb
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@@:
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push ebp
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mov ebp, [tmp_file_name_table]
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mov ecx, [tmp_file_name_size]
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jecxz .noreplace
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mov eax, ecx
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dec eax
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shl eax, 7
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add ebp, eax
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.replace_loop:
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mov edi, ebx
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mov esi, ebp
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@@:
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lodsb
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test al, al
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jz .doreplace
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mov dl, [edi]
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inc edi
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test dl, dl
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jz .replace_loop_cont
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or dl, 20h
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cmp al, dl
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jz @b
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jmp .replace_loop_cont
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.doreplace:
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cmp byte [edi], 0
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jz @f
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cmp byte [edi], '/'
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jnz .replace_loop_cont
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@@:
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lea esi, [ebp+64]
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call .replace
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jc .skip_this_key2
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.replace_loop_cont:
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sub ebp, 128
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loop .replace_loop
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.noreplace:
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pop ebp
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inc [tmp_file_name_size]
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.skip_this_key:
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xor eax, eax
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inc eax
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ret
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.skip_this_key2:
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pop ebp
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jmp .skip_this_key
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.stop_parse:
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xor eax, eax
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ret
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endp
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proc get_every_key.replace
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; in: ebx->destination, esi->first part of name, edi->second part of name
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; maximum length is 64 bytes
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; out: CF=1 <=> overflow
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; 1) allocate temporary buffer in stack
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sub esp, 64
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; 2) save second part of name to temporary buffer
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push esi
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lea esi, [esp+4] ; esi->tmp buffer
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xchg esi, edi ; edi->tmp buffer, esi->source
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@@:
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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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; 3) copy first part of name to destination
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pop esi
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mov edi, ebx
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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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; 4) restore second part of name from temporary buffer to destination
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; (may cause overflow)
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lea edx, [ebx+64] ; limit of destination
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mov esi, esp
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@@:
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cmp edi, edx
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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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; all is OK
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add esp, 64 ; CF is cleared
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ret
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.overflow:
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; name is too long
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add esp, 64
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stc
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ret
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endp
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