mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-17 04:12:34 +03:00
283 lines
9.1 KiB
NASM
283 lines
9.1 KiB
NASM
;;================================================================================================;;
|
|
;;//// libio_p.asm //// (c) mike.dld, 2006-2008 //////////////////////////////////////////////////;;
|
|
;;================================================================================================;;
|
|
;; ;;
|
|
;; This file is part of Common development libraries (Libs-Dev). ;;
|
|
;; ;;
|
|
;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
|
|
;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
|
|
;; of the License, or (at your option) any later version. ;;
|
|
;; ;;
|
|
;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
|
|
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
|
|
;; Lesser General Public License for more details. ;;
|
|
;; ;;
|
|
;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
|
|
;; If not, see <http://www.gnu.org/licenses/>. ;;
|
|
;; ;;
|
|
;;================================================================================================;;
|
|
|
|
mem.alloc dd ?
|
|
mem.free dd ?
|
|
mem.realloc dd ?
|
|
dll.load dd ?
|
|
|
|
;;================================================================================================;;
|
|
proc libio._.init ;///////////////////////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? Library entry point (called after library load) ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> eax = memory allocation routine <mem.alloc*> ;;
|
|
;> ebx = memory freeing routine <mem.free*> ;;
|
|
;> ecx = memory reallocation routine <mem.realloc*> ;;
|
|
;> edx = library loading routine <dll.load*> ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< eax = 1 (fail) / 0 (ok) (library initialization result) ;;
|
|
;;================================================================================================;;
|
|
mov [mem.alloc], eax
|
|
mov [mem.free], ebx
|
|
mov [mem.realloc], ecx
|
|
mov [dll.load], edx
|
|
xor eax, eax
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libio._.match_wildcard _str, _wcard ;////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? Match string against wildcard ;;
|
|
;? Based on http://user.cs.tu-berlin.de/~schintke/references/wildcards/ ;;
|
|
;? 1997-2001 (c) Florian Schintke ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> _str = string (filename in most cases) <asciiz> ;;
|
|
;> _wcard = mask expressed using wilcards (?, *, [..]) <asciiz> ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< eax = false / true (match result) ;;
|
|
;;================================================================================================;;
|
|
push ecx edx esi edi
|
|
mov dl, 1 ; fit
|
|
mov esi, [_wcard]
|
|
mov edi, [_str]
|
|
.loop_wildcard:
|
|
mov al, [esi]
|
|
or al, al
|
|
jz .loop_wildcard_exit
|
|
or dl, dl
|
|
jz .loop_wildcard_exit
|
|
cmp byte[edi], 0
|
|
je .loop_wildcard_exit
|
|
|
|
cmp al, '['
|
|
je .process_set
|
|
cmp al, '?'
|
|
je .process_question
|
|
cmp al, '*'
|
|
je .process_asterisk
|
|
|
|
xor dl, dl
|
|
cmp [edi], al
|
|
jne @f
|
|
inc dl
|
|
@@: inc edi
|
|
|
|
.loop_wildcard_next:
|
|
inc esi
|
|
jmp .loop_wildcard
|
|
|
|
|
|
.process_set:
|
|
inc esi
|
|
xor dl, dl ; fit
|
|
xor dh, dh ; negation
|
|
mov cl, 1 ; at_beginning
|
|
cmp byte[esi], '^'
|
|
jne .loop_set_wildcard
|
|
inc dh
|
|
inc esi
|
|
|
|
.loop_set_wildcard:
|
|
mov al, [esi]
|
|
cmp al, ']'
|
|
jne @f
|
|
or cl, cl
|
|
jz .loop_set_wildcard_exit
|
|
@@: or dl, dl
|
|
jnz .loop_set_wildcard_fit
|
|
cmp al, '-'
|
|
jne .loop_set_wildcard_not_range
|
|
mov ch, [esi - 1]
|
|
cmp [esi + 1], ch
|
|
jbe .loop_set_wildcard_not_range
|
|
cmp byte[esi + 1], ']'
|
|
je .loop_set_wildcard_not_range
|
|
or cl, cl
|
|
jnz .loop_set_wildcard_not_range
|
|
cmp [edi], ch
|
|
jb .loop_set_wildcard_fit
|
|
mov ch, [esi + 1]
|
|
cmp [edi], ch
|
|
ja .loop_set_wildcard_fit
|
|
mov dl, 1
|
|
inc esi
|
|
jmp .loop_set_wildcard_fit
|
|
|
|
.loop_set_wildcard_not_range:
|
|
cmp [edi], al
|
|
jne .loop_set_wildcard_fit
|
|
mov dl, 1
|
|
|
|
.loop_set_wildcard_fit:
|
|
inc esi
|
|
xor cl, cl
|
|
jmp .loop_set_wildcard
|
|
|
|
.loop_set_wildcard_exit:
|
|
or dh, dh
|
|
jz @f
|
|
xor dl, 1
|
|
@@: or dl, dl
|
|
jz @f
|
|
inc edi
|
|
@@:
|
|
jmp .loop_wildcard_next
|
|
|
|
.process_question:
|
|
inc edi
|
|
jmp .loop_wildcard_next
|
|
|
|
.process_asterisk:
|
|
mov dl, 1
|
|
inc esi
|
|
|
|
.loop_asterisk_del_shit:
|
|
lodsb
|
|
cmp byte[edi], 0
|
|
je .loop_asterisk_del_shit_exit
|
|
cmp al, '?'
|
|
jne @f
|
|
inc edi
|
|
jmp .loop_asterisk_del_shit
|
|
@@: cmp al, '*'
|
|
je .loop_asterisk_del_shit
|
|
|
|
.loop_asterisk_del_shit_exit:
|
|
|
|
@@: cmp al, '*'
|
|
jne @f
|
|
lodsb
|
|
jmp @b
|
|
@@:
|
|
dec esi
|
|
cmp byte[edi], 0
|
|
jne .process_asterisk_skip_exit
|
|
xor dl, dl
|
|
or al, al
|
|
jnz @f
|
|
inc dl
|
|
@@: dec esi
|
|
jmp .loop_wildcard_next
|
|
|
|
.process_asterisk_skip_exit:
|
|
stdcall libio._.match_wildcard, edi, esi
|
|
or eax, eax
|
|
jnz .process_asterisk_not_match
|
|
|
|
.loop_asterisk_match:
|
|
inc edi
|
|
|
|
.loop_asterisk_char_match:
|
|
mov al, [esi]
|
|
cmp [edi], al
|
|
je .loop_asterisk_char_match_exit
|
|
cmp byte[esi], '['
|
|
je .loop_asterisk_char_match_exit
|
|
cmp byte[edi], 0
|
|
je .loop_asterisk_char_match_exit
|
|
inc edi
|
|
jmp .loop_asterisk_char_match
|
|
|
|
.loop_asterisk_char_match_exit:
|
|
cmp byte[edi], 0
|
|
je @f
|
|
stdcall libio._.match_wildcard, edi, esi
|
|
or eax, eax
|
|
jnz .loop_asterisk_match_exit
|
|
jmp .loop_asterisk_match
|
|
@@:
|
|
xor dl, dl
|
|
|
|
.loop_asterisk_match_exit:
|
|
|
|
.process_asterisk_not_match:
|
|
cmp byte[esi], 0
|
|
jne @f
|
|
cmp byte[edi], 0
|
|
jne @f
|
|
mov dl, 1
|
|
@@:
|
|
dec esi
|
|
jmp .loop_wildcard_next
|
|
|
|
.loop_wildcard_exit:
|
|
or dl, dl
|
|
jz .exit
|
|
@@: cmp byte[esi], '*'
|
|
jne .exit
|
|
inc esi
|
|
jmp @b
|
|
|
|
.exit:
|
|
cmp byte[esi], 0
|
|
je @f
|
|
xor dl, dl
|
|
@@: cmp byte[edi], 0
|
|
je @f
|
|
xor dl, dl
|
|
@@:
|
|
movzx eax, dl
|
|
|
|
pop edi esi edx ecx
|
|
ret
|
|
endp
|
|
|
|
;;================================================================================================;;
|
|
proc libio._.find_matching_file _ffb ;////////////////////////////////////////////////////////////;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;? Find file with matching attributes (`FindFileBlock.Options.Attributes`) and mask ;;
|
|
;? (`FindFileBlock.Options.Mask`) starting from Nth (`FindFileBlock.InfoBlock.Position`) file in ;;
|
|
;? directory (`FindFileBlock.InfoBlock.FileName`) ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;> _ffb = find file block <FindFileBlock*> ;;
|
|
;;------------------------------------------------------------------------------------------------;;
|
|
;< eax = 0 (error) / matched file info pointer <FileInfo*> ;;
|
|
;;================================================================================================;;
|
|
push ebx edx
|
|
mov edx, [_ffb]
|
|
.loop_find:
|
|
lea ebx, [edx + FindFileBlock.InfoBlock]
|
|
mcall 70
|
|
or eax, eax
|
|
jnz .loop_find_error
|
|
mov eax, [edx + FindFileBlock.Info.Attributes]
|
|
and eax, [edx + FindFileBlock.Options.Attributes]
|
|
jz .loop_find_next
|
|
lea eax, [edx + FindFileBlock.Info.FileName]
|
|
stdcall libio._.match_wildcard, eax, [edx + FindFileBlock.Options.Mask]
|
|
or eax, eax
|
|
jnz .loop_find_exit
|
|
|
|
.loop_find_next:
|
|
inc [edx + FindFileBlock.InfoBlock.Position]
|
|
jmp .loop_find
|
|
|
|
.loop_find_error:
|
|
xor eax, eax
|
|
pop edx ebx
|
|
ret
|
|
|
|
.loop_find_exit:
|
|
lea eax, [edx + FindFileBlock.Info]
|
|
pop edx ebx
|
|
ret
|
|
endp
|